﻿ticket,summary,version,guest,created,modified,_changetime,_description,_reporter
33,"Better icon for ""Guest Additions"" entry in ""Add/Remove Programs""",VirtualBox 1.3.4,Windows,2007-02-12T13:55:47Z,2011-01-18T20:05:41Z,2011-01-18T20:05:41Z,"After installing GuestAdditions for Windows, I see that there is no specific icon exists in Windows 2000/XP in Add/Remove programs on Guest VMs.

Recommendation:

make some kind of icon. MS Virtual PC 2004 uses ""puzzle"" icon for it's guest additions.",Technologov
375,Integrating VirtualBox Linux additions upstream (X.org),VirtualBox 1.3.8,Linux,2007-05-30T21:42:30Z,2011-01-08T07:25:05Z,2011-01-08T07:25:05Z,"hi all !

I believe that there is a sense in pushing VBox Linux additions into upstream X.org: namely the VBox graphics driver and VBox Mouse driver.

By doing so, we will eventually have VBox supported out-of-the-box even on LiveCDs, and during install stage !

Additionally, by going this way, we can receive support for BSD and Solaris guest additions from open-source community for free. (Solaris and BSD UNIX uses X.org too)

The downside:

Inability to change the VBox graphics and mouse drivers interface between host and guest. This means that future versions of VBox must stay compatible with 1.3.x in this regard in API level.

What do you think about it? Do you want me contacting X.org ?

The same topic exists in forum:
http://forums.virtualbox.org/viewtopic.php?t=239

-Alexey ""Technologov""",Technologov
734,Guest Additions Deb Packages,VirtualBox 1.5.0,Linux,2007-10-01T11:25:33Z,2019-12-30T13:50:53Z,2019-12-30T13:50:53Z,"Could you please consider providing the guest additions as a deb package made available from your repo?

I'd like this because I want to be able to use the features provided by the guest additions in a livecd environment.  The way things are, it's not possible to install the additions in that environment because the installation requires a reboot to take effect.

Or could you address the problem in some other way?",passerby
1633,Windows XP cannot boot natively after installation of Guest Additions (BSOD during boot),VirtualBox 4.0.6,Windows,2008-05-29T06:19:47Z,2020-08-28T20:29:11Z,2020-08-28T20:29:11Z,"I have successfully managed to run Windows XP Home / SP3 from a raw partition within Virtual Box on an OpenSUSE 10.3 Linux host. Without Guest Additions installed, the windows installation can be booted both natively as well as in a virtual machine.

Once the Guest Additions are installed, booting natively fails. Immediately after showing the initial Windows splash screen, the mouse pointer appears in the center of the black screen, and the machine locks up completely. The keyboard doesn't react at all; doing a CTRL-ALT-DEL, for example, doesn't work.

I have further managed to reproduce the problem by simply installing the Guest Additions into the natively running Windows (from a CD-Rom that contains the Guest Additions). Installation apparently proceeds without problems (no warnings or error messages), but the machine freezes up at the next native boot as described above. Booting into the virtual machine is fine (and the Guest Additions work properly).

In both cases, the windows Windows installation boots natively again after the Guest Additions have been uninstalled, e.g. from within a virtual machine. On the first native boot of the Windows installation, some device drivers are apparently reinstalled (Graphics and Mouse, I think).

If a native boot has failed with the Guest Additions installed, all Linux partitions (extfs3) are checked during the next Linux boot because of not being unmounted properly, although the previous Linux shutdown proceeded without problems. The NTFS partition holding the Windows install is also flagged as being not clean (an ntfs-3g mount has to be forced, for example, and during a boot into a virtual machine the Windows installation starts up with offering to boot into previous configurations or a safe mode).

Hardware: Samsung X20 laptop with an Intel i915 Graphics chip set, a single SATA drive holding several partitions, the first one being used for the Windows installation.",Christian Marquardt
1871,Keyboard Mapping,VirtualBox 1.6.2,Windows,2008-07-24T14:43:43Z,2014-04-17T10:45:11Z,2014-04-17T10:45:11Z,"bonjour,

I use a MacBook Pro to virtualise Windows XP Pro OS.
My request is the possibility to use the Mac OS X 10.5 Keyboard Driver For Windows XP ""in the DVD"" or a VB driver that Map the unusual Mac keybord for a Canadian french configuration.
The work around is to use a external USB keybord with te conventionnal layout
It is the only way I have found to type the useful ""@"" key entry.
Not a very pratical solution when your on the go.
Denis.",Denis
2389,mount.vboxfs does not allow context= option,VirtualBox 2.0.2,Linux,2008-10-07T16:36:55Z,2009-01-21T09:07:47Z,2009-01-21T09:07:47Z,"Mounting a shared folder in a Fedora 9 linux guest, I receive SELinux denials when I try to copy files into the shared folder.  I received advice to attempt the mount using a ''context= option''.

According to the mount manpage, the ''context='' option should be supported on all filesystems...  So I guess this ticket is an RFE.

Cheers,
 Christian",Christian Iseli
2928,Make time sync time function of the Guest Additions optional,VirtualBox 3.1.2,Windows,2008-12-30T20:08:44Z,2010-06-11T08:26:34Z,2010-06-11T08:26:34Z,"I don't want the time of the guest OS auto-synced by the Guest Additions, but still wish to use other features of it.

Could this function be made OPTIONAL?",helehele
3340,"Shared folder file creation/deletion not permitted on sub-folders, WinXP SP3 Guest",VirtualBox 2.1.2,Windows,2009-02-14T19:13:20Z,2010-09-07T04:11:34Z,2010-09-07T04:11:34Z,"Shared folder issues with Virtualbox 2.1.2 running in a ubuntu 8.10 box, with a WinXP SP3 guest.

The guest can access the shared folder: it shows up in ""My Network Neighbourhood"" and it shows as \VBOXSVR\MYFOLDER

Using the File Explorer in the guest, I can select files, and do Copy/Paste to obtain a copy of the file. I can delete files with no issue.

However, when attempting to do the same in a sub-folder (e.g.: in \VBOXSVR\MYFOLDER\MISC), then I get an error message:

""Cannot copy file: cannot read from the source file or disk""

or if I attempt to delete a file I get:

""Cannot delete file: cannot read from the source file or disk""

I can edit files in sub-folders with no problems. I just can not do file operations on them.

In Linux, the folder I am sharing is in an EXT3 partition. I double checked Permissions and they look all right and they look the same for the root of the folder and its sub-folders:

/media/sda6/MYFOLDER: drwxrwx---

/media/sda6/MYFOLDER/MISC: drwxrwx--- 

Note: if I map the shared folder to a Drive (say X:), the same problem occurs (but the error messages are slighly different).

I believe this started happening with VBox 2.0",Ari
3438,Feature Request:  Pass guest hyperlinks to host OS,VirtualBox 2.1.4,Windows,2009-02-25T19:27:22Z,2014-04-30T08:26:37Z,2014-04-30T08:26:37Z,"It would be nice if there was a way through the VirtualBox guest addition drivers to permit hyperlinks clicked in the guest OS to be passed directly to the host OS operating system.  I forsee this being a selectable option, possibly through the ""shared folders"" option.  There should also be a modifiable key to bypass the option (such as cntrl-shift-click, which would leave the link in the guest OS).  URLs should probably be selectable (such as http:// and ftp:// links).  

My specific instance is that I only use my Windows virtual machine for Outlook.  I would prefer that most links I access would open in Firefox in Linux.  Thanks!",blamerson
3451,files with national characters not shown via \vboxsvr,VirtualBox 2.1.4,Windows,2009-02-27T10:13:55Z,2009-02-27T10:13:55Z,2009-02-27T10:13:55Z,"I am running VB 2.1.4_OSE with GA 2.1.4r42893. Guest is WinXPSP2, host is Debian 5.0 (smbd 3.2.5). When accesing host shares via standard \10.0.2.2\ I get full list of all files on that share (files with national characters have them converted to '_'s). When accessing shares via GA - Shared Folders, only files without national characters are shown.
",wolcano
3458,Shared Folders failing on access,VirtualBox 2.1.4,Windows,2009-03-01T09:08:51Z,2011-05-28T16:46:15Z,2011-05-28T16:46:15Z,"Ubuntu 8.10 64-Bit host, Windows XP SP3 32-Bit guest.

When accessing shared files on the shared folder, often the shared folders file access fails. This includes directory browsing, file access, file deletion, or other operations. Other times, the access works fine. The issue appears random - but generally occurs after inactivity. Shared folders have been shared as a Mapped Drive under XP.

I have disabled the Mapped Drive timeout (http://support.microsoft.com/kb/297684 = ""net config server /autodisconnect:-1""), and have also added 'vboxsvr' to the hosts file as 127.0.0.1 to try to solve the problem - no success.

Accessing files returns ""unknown error occurred while accessing [file]"".
Refreshing the directory after this failure results in ""E:\ is not accessible. The request is not supported.""
Refreshing the directory after a 'timeout', then the directory is displayed, and files are accessible again.

Logfile attached immediately after this issue occurred. VM was still running and active.

",Robert
3484,"Using shared folders, if the underlying shared resource becomes unavailable, you cannot remove it from its previously assigned VBOXSVR mapping.",VirtualBox 2.1.4,Windows,2009-03-03T12:33:36Z,2009-03-03T12:33:36Z,2009-03-03T12:33:36Z,"Share a resource permanently, read-only, say E:\mp3 -> mp3.  This will show up in the guest OS as \VBOXSVR\mp3.  Then change the drive letter or make the resource generally unavailable (e.g. no E: drive).  Then try to go in to shared folders and remove it - this will appear to work successfully.  But if you go into the guest OS and browse, \VBOXSVR\mp3 will still be there!  Nothing you do within Vbox will make that change - rebooting, logging out as different user, etc.

I've attached virtual machine config files as well.

WORKAROUND:
* Shut down the guest OS
* Go to MachineDisks and find the guest OS's .xml file.
* Find section SharedFolders/SharedFolder which corresponds to share you're trying to remove.
* Change or remove the entry to be correct.
* Restart guest OS virtual machine.
* Vbox appears to just remove the entry you modified in the .xml file regardless of whether you set it to a valid value or not.
* Re-add the changed resource path (if you want to change it).

",cboyd
3645,files in guest shared folders seems not to reflect changes done in host,VirtualBox 2.1.4,Linux,2009-04-06T20:34:53Z,2009-04-15T08:44:17Z,2009-04-15T08:44:17Z,"I have a guest OS (Ubuntu Hardy Heron) with shares a folder (in read/write) with the host OS (Ubuntu Hardy Heron). I use a web editor to edit the files in this folder in the host OS so the modifications should be seen in the guest OS (the shared folder, mounted in the guest, is the root directory of an apache web server installed just in the guest).
The problem is that, when I modify a file in the host side, these changes seem not reflected correctly in guest side. Via a simple cat or less or vi the modified files seem correct but with apache the modifications aren't reflected (I can test this via ""telnet server 80""). In fact often the modifications are seen as strange characters or other times other strange behaviours happen.
I can solve this either:
- umount and then re-mount the shared folder (but I have to do this after every file change)
or
- simply edit the file via vi (guest side) and, with no modifications, save the file",Marco 
3800,global alt-tabbing?,VirtualBox 2.2.0,other,2009-04-22T00:17:06Z,2009-04-22T00:17:06Z,2009-04-22T00:17:06Z,"I don't know if anyone has come up with this idea yet, but wouldn't it be nice if, by means of Guest Additions, window switching through Alt-Tab worked together for guest and host?",egasimus
3853,[feature-request] List which guest additions are ready to be installed,VirtualBox 2.2.0,Windows,2009-04-26T21:32:28Z,2010-05-23T15:35:19Z,2010-05-23T15:35:19Z,"Going over an old predecessor, Connectix VirtualPC 5.1, I found many niceties.

One of them is that when Guest Additions for Windows setup is launched it shows exactly which features it will enhance.

Minor nice-to-have.

-Technologov, 27.4.2009.",Technologov
3974,OS/2 guest is limited to 1024x768x16777216 resolution,VirtualBox 2.2.2,other,2009-05-08T23:53:12Z,2016-06-17T14:22:16Z,2016-06-17T14:22:16Z,"I have installed OS/2 ACP2 as a guest, and the virtual box OS/2 additions.
The maximum resolution I can select is 1024x768 in 24 bits. This is not much, especially if one wants to open many windows and use the VM for development. I have two monitors on my Vista host, a 24"" at 1920x1200, and a 30"" at 2560x1600 . I can use the full screen with my other guests (Solaris, Opensolaris, Win7). But with the OS/2 guest, I can only use a small portion of the screen. This is really limiting.

Even MS virtual PC supports a higher resolution (1600x1200) in the OS/2 guest. Unfortunately I can't use both Virtual PC and Virtual Box at the same time - it results in BSODs on the host. I have to choose one or the other.

While I realize the OS/2 guest will never have dynamic resolution support like the other hosts, I really wish you could offer some higher fixed resolutions for the guest, at least standard resolutions like 1280x1024, 1600x1200, 1920x1200, even if you don't go all the way to 2560x1600 .
",Julien Pierre
4184,Allow network drive mapping too all shared folders,VirtualBox 2.2.4,Windows,2009-06-04T23:41:14Z,2013-09-18T16:57:43Z,2013-09-18T16:57:43Z,"When I used VMware I could map a network drive (under Windows XP guest) to all shared folders within the host (Windows Vista). This was easy because when I went to:
My Network Places » Entire Network » VMware Shared Folders

There was a ""folder"" holding all shared folders and I could just map that folder to a network drive.

This doesn't seem to be possible with VirtualBox. When I go to ""VirtualBox Shared Folders"" in the network, I see one entry by shared folder and I have to map each folder to a network drive, which sucks if I have a bunch of shared folders.

Is it possible to do the same as VMware does in a future release?
",Nazgulled
4338,enable/disable features of guest additions,VirtualBox 3.0.0,other,2009-07-01T12:27:23Z,2009-07-09T12:50:35Z,2009-07-09T12:50:35Z,"You are currently not able to edit settings of the guest additions. 
I would like to have an options-screen that enables you to (for example) (temporary) disable time synchronisation. ",Sander
4367,Better folder sharing ideas,VirtualBox 3.0.0,other,2009-07-02T22:30:04Z,2009-07-03T08:16:42Z,2009-07-03T08:16:42Z,"It took me some time to figure out how to do folder sharing with VMs and it seems from my research that I'm not the only one.  Some suggest using a smb share if the host is a linux OS.

A couple of suggestions, though not sure how hard to implement:

 * Ease the mapping, possibly something automatic:
 Currently for windows guests, you have to share the folder as a temporary or fixed share.  Then in addition to that you have to go into windows and create a mapped drive for that share.  That second part I didn't know about because on the mac, from what I recall it maps the share automatically in parallels and vmware fusion.

 It would be nice if something default could be done, like a share automatically created and a shortcut created on the desktop of the windows guest.

 If not that, at least give information in the window that creates a share that additional steps are necessary to see the share on the guest, maybe a link to help or some verbiage in the window itself.

 * Be able to drag and drop files - in addition it would be nice to have a way to drag and drop files between guest and host transparently.  Again, not sure how hard this is, but I recall that vmware fusion did that on the mac.  It's extremely nice :).",Jeremy
4381,windows guest - linux host file permissions changed on shared folders -> Fixed in SVN,VirtualBox 3.0.6,Windows,2009-07-03T15:34:45Z,2016-03-05T01:44:13Z,2016-03-05T01:44:13Z,"I recently upgraded to 3.0.0. 

I have a number of EXT3 and EXT4 share folders which I access from a windows host via VirtualBox's shared folder handler.  When I access a file in one of the EXT folders it reads and writes to it the first time.  When I modify the file and re-save, or auto save it says it is read-only.  This primarily happens with Microsoft office related products.  [URL=""http://ubuntuforums.org/showthread.php?t=1202151]""]This Thread[/URL] was started by some one having the same problem in 2.2.4  It does not happen on NTFS shared folders.  ",Tvtech
4728,using host share for my documents in windows is slow but mapped drive isn't,VirtualBox 3.0.4,Windows,2009-08-09T02:53:10Z,2009-08-23T21:24:11Z,2009-08-23T21:24:11Z,"Weird issue found.

If you change my documents location to your mapped virtual share and use the my documents link to get there it is very slow upwards of 10 seconds to open sometimes longer.

If you create a link to the mapped drive on the desktop it is much faster. Here is where it gets weird. If you change the icon for the shortcut to the mapped drive to the standard folder icon it becomes slow again!

told you it was weird!",Richard
4744,Windows host and guest drives should be WHQL certified (Windows logo testing),VirtualBox 3.0.4,Windows,2009-08-10T22:30:43Z,2010-05-28T20:25:00Z,2010-05-28T20:25:00Z,"Just upgraded VB from 3.0.2 to 3.0.4 on Windows XP. Upgrading the guest additions failed with the error that the driver for the VirtualBox Graphics Adapter has not passed Windows Logo testing to verify its compatibility with Windows XP. I've tried uninstalling the previous guest additions and get the same error.

The host is also XP.

The guest is configured with 16MB of video RAM with 3D Acceleration disabled.",John Clayton
4804,creating directories with umlauts in a shared folder fail with error 0x80070057 on Windows Host,VirtualBox 3.0.2,other,2009-08-18T15:42:26Z,2009-08-18T15:42:26Z,2009-08-18T15:42:26Z,"A) cannot create folders with umlauts in a shared folder within a Windows Server 2008 guest.
(probably windows guest in general...)

If I try to create an ""umlaut folder"" within Gentoo guests, which have access to this folder via NFS , there are no problems and the folder is properly created. Also on the host (Gentoo) the folder-name is correctly written in umlauts. (all systems UTF-8)

B) this linux-host-created umlaut-folder is not listed when I refresh the shared folder view in the windows host....

log says nothing related, just:
00:00:01.461 SharedFolders host service: adding host mapping.
00:00:01.461     Host path /mnt/VIRTUAL/EXCHANGE, map name EXCHANGE, writable 1
00:00:01.461 SharedFolders host service: add mapping result VINF_SUCCESS
00:00:01.461 SharedFolders host service: adding host mapping.

I'm using virtualbox-bin 3.0.2 

HOST:
srv1 ~ # eix virtualbox
[U] app-emulation/virtualbox-bin
     Available versions:  1.6.6!f (~)3.0.4+i!m {additions chm headless sdk vboxwebsrv}
     Installed versions:  3.0.2!s(19:32:09 24.07.2009)(additions chm -headless -sdk -vboxwebsrv)
     Homepage:            http://www.virtualbox.org/
     Description:         Family of powerful x86 virtualization products for enterprise as well as home use

[U] app-emulation/virtualbox-modules
     Available versions:  1.6.6 1.6.6-r1 (~)3.0.4 {kernel_linux}
     Installed versions:  3.0.2(19:30:22 24.07.2009)(kernel_linux)
     Homepage:            http://www.virtualbox.org/
     Description:         Kernel Modules for Virtualbox


GUESTS:

web1 EXCHANGE # eix virtualbox
[I] app-emulation/virtualbox-guest-additions
     Available versions:  1.6.6 (~)1.6.6-r1 (~)2.1.4 (~)2.2.0 (~)2.2.2 (~)2.2.4 (~)3.0.2 {X}
     Installed versions:  3.0.2(03:03:35 23.07.2009)(kernel_linux -X)
     Homepage:            http://www.virtualbox.org/
     Description:         VirtualBox kernel modules and user-space tools for Linux guests

Is this a known problem , since in virtualbox's change-logs I could not find any fixes ?!
Also when searching internet and your bug-reports I could'nt find a similar issue ?!

",rottex
4862,"Files in shared folder which open in mode ""w+b""(Linux guest) could not be read(Protocol Error)",VirtualBox 3.0.4,Linux,2009-08-27T02:25:21Z,2017-02-25T16:48:42Z,2017-02-25T16:48:42Z,"I am using a python programe(ZODB) to read file's content in shared folder.But I got a [IOError]Protocl Error when I run the programe.And I check out the source,found that ZODB open this file in ""w+b"" mode.I write a very simple test programme(also python),and got the same problem.Here is the source:
{{{
#Test programme
f = open(""Data.fs"",mode=""w+b"")
f.read(10)#got error here
}}}
Data.fs is the file in shared folder.I also test in mode ""r+b"",it's ok for both write and read.",Yao
4890,"Linux guest, ""mv -f file1 file2"" fails on shared folder without write permissions on file2 (Windows hosts)",VirtualBox 3.2.10,Linux,2009-09-01T12:28:38Z,2017-02-07T21:35:02Z,2017-02-07T21:35:02Z,"Test case:

touch file1 file2
chmod a-w file2
mv -f file1 file2

On the guest disk, there is no message whatsoever and file2 is replaced by file1. This is the behavior I expect.


On a shared folder pointing to a directory on the host's local hard disk drive, I get this error from the mv command and file1 remains:

mv: cannot move `file1' to `file2': Operation not permitted


When the shared folder is pointing to a network drive, I get this error from the mv command and file1 remains:

mv: cannot move `file1' to `file2': File exists

",David
4924,Change mount behaviour in suse guests (vboxadd),VirtualBox 3.0.4,Linux,2009-09-07T12:45:12Z,2010-03-12T04:06:17Z,2010-03-12T04:06:17Z,"Having vboxsf in the fstab with opensuse is not that good, as suse cannot umount volumes correctly (did not track down this one), however I think the way devices get unmounted is not the best way to do so.

As vboxadd simply unmounts mounted devices defined by fstab, it will never unmount manual mounts (umount -a -t vboxsf), so I suggest to read in /proc/mounts to unmount all *currently* mounted devices, so removing kernel modules wont fail.

Also there is a problem with vboxsf in conjunction with suse: a correctly configured fstab shows mount usage at boot time, as mount.vboxsf does not recognize vboxsf correctly at boot time (at least with suse), so i think its a good idea to use ""auto"" as per default. I changed my configuration to use noauto, and changed mount -a -t vboxsf to a simple mount for loop with all vboxsf definitions.

For all described the attached patch is working.",Michael Kromer
4961,Mouse wheel scrolling broken in Ubuntu 32 bit guest / Windows 7 host since 3.06,VirtualBox 3.0.6,Linux,2009-09-12T08:47:08Z,2009-10-06T21:50:56Z,2009-10-06T21:50:56Z,"Subject says it all really - since upgrading to 3.06 I can no longer use the mouse wheel to scroll in an Ubuntu guest.

Ceri",carlill
5064,"Mouse I-pointer and crosshair pointer disappears when using Guest Additions (Vista host, WinXP guest)",VirtualBox 3.0.6,Windows,2009-09-23T13:48:47Z,2009-09-23T13:48:47Z,2009-09-23T13:48:47Z,"I'm using Windows Vista as my host and Windows XP as my guest. When I'm using VirtualBox Guest Additions and mouse pointer integration is enabled, the regular mouse pointer appears ok, but when I move my mouse within the guest to a textbox, or to a window which is supposed to change into a crosshair pointer, the mouse pointer disappears on those areas. When I move out of the affected areas, the regular mouse pointer appears. The other mouse pointers, like the hand pointer when selecting a hyperlink, and the hourglass pointers appear fine.

When I disable the mouse pointer integration, all pointers are working perfectly. However, I'd like to have the mouse pointer integration enabled as I would have difficulty moving from an application in my host and an application running in the guest (I have to hit Right-Ctrl every time.)

Using the same VirtualBox version on a Linux (Ubuntu Jaunty) host and the same Windows XP guest, I did not experience this problem.

",Jake Catayoc
5122,Can't access shared folder without login on Windows 2003,VirtualBox 3.0.6,Windows,2009-10-05T12:47:20Z,2009-10-05T12:47:20Z,2009-10-05T12:47:20Z,"Try to access shared folder from autorun service (not with !LocalSystem account but a User account) using net command or UNC but doesn't work until someone login and must maintain login for the access to work.

Issue mentioned in thread:
http://forums.virtualbox.org/viewtopic.php?f=2&t=22032
",Cplaisstw
5233,"""fn + return = Insert"" does not work for host = mac",VirtualBox 3.0.8,Windows,2009-10-15T17:43:28Z,2017-07-27T06:53:59Z,2017-07-27T06:53:59Z,"Host: macnotebook pro running snow leopard up-to-date. VirtualBox version: 3.0.8. Guest: windows XP.

According to the mac documentation, in the mac keyboards of notebooks pressing ""fn + return"" produces ""insert"". That works well within the mac and also running windows via bootcamp. But when running it within VirtualBox the combination fn + return"" results in ""return"", not insert.
Expected: pressing the combination of keys ""fn + return"" produces ""insert"".",ecterrab
5295,Shared folders cannot be exported via NFS,VirtualBox 3.0.10,Linux,2009-10-26T08:56:27Z,2016-09-09T17:10:32Z,2016-09-09T17:10:32Z,"192.168.0.1: virtual maschine with additional mounted ext3 and vboxsf partition (shared folder)
192.168.0.2: any extern PC or other, with need to access of the shared folder of the virtual maschine 

Commands on the extern PC:
""mount -t nfs 192.168.0.1:/mnt/ext3 ..."" works well. 
""mount -t nfs 192.168.0.1:/mnt/shared-folder ..."" does not work.
(mount.nfs access denied by server while mounting 192.168.0.1:/mnt/shared-folder)

Configuration files on 192.168.0.1 (linux virtual maschine):
/etc/fstab:
...
/dev/hda3 /mnt/ext3 ext3 rw,nodev 0 2
vboshare  /mnt/shared-folder vboxsf rw,nodev 0 2

/etc/exports: 
/mnt/ext3 192.168.0.2(rw,async,nohide)
/mnt/shared-folder 192.168.0.2(rw,async,nohide)

/etc/hosts.allow:
portmap: 192.168.0.0/255.255.255.0
mountd: 192.168.0.0/255.255.255.0

Command ""df -h"" on the virtual maschine with shared folder: 
...
/dev/hda3 2,3G 68M 2,1G  4% /mnt/ext3
vboshare  200G 43G 157G 22% /mnt/shared-folder

The issues are checked with 32-bit and 64-bit virtual maschines debian 4.0, debian 5.0 and ubuntu 8.04. Because the problem not occurs with similar mounted ext3 partitions, it seems, the problem is connected with vboxsf partitions = shared folders.

",moppel
5568,unable to perform some svn operations on shared folders from guest,VirtualBox 3.0.12,Linux,2009-11-26T06:32:34Z,2016-02-01T21:02:56Z,2016-02-01T21:02:56Z,"Host: Windows Vista


Guest: Gentoo


Description:

In the development, I need to use some collaboration system whose gui client in windows sucks. So I plan to share the project direcotries with my guest gentoo and then use the command line client in unix instead.[[BR]]
However, because the client depends on the result of 'svn status' and my netbeans uses its own SCM instead of the native one, I have to do this manually, which fails.[[BR]]
This is the error message when I perform some svn operation like 'svn add':
{{{
svn: Can't move '.svn/tmp/entries' to '.svn/entries': Operation not permitted
}}}
This will never happen if the underlying file system is local since I care little about anything inside the .svn directory. I try to chmod it 777 and find that somehow its permission will get ""reverted"" before svn starts its job.[[BR]]
The shared folders are mounted manually with default options. I can do whatever I wish but not with svn, which sounds weird. I hope this does help.[[BR]]
BTW, vbox rocks!",Marvin
5732,Many executables refuse to run fom Shared Folders,VirtualBox 3.1.0,Windows,2009-12-11T22:30:13Z,2019-12-27T16:03:57Z,2019-12-27T16:03:57Z,"About 50% of all Windows executables refuse to run from Shared Folders (vboxsf).

The same executable work perfectly from mounted SMB shares.

Host: Windows XP, Core 2 Q6600, VBox 3.1.0

Guest: Windows 7, 64-bit.

-Technologov, 12.12.2009.",Technologov
5837,"Ability to swap ""Windows"" and ""Alt"" key mapping",VirtualBox 3.1.2,Windows,2009-12-24T18:15:55Z,2021-03-11T22:08:35Z,2021-03-11T22:08:35Z,"For a Windows guest on a Mac OS host, VB maps the Windows ""Windows"" key to the Mac ""Command"" key, and the Windows ""Alt"" key to the Mac ""Option"" key.  The problem is that those two keys are in the opposite positions of the keys on a Windows keyboard.

IOW, from left-to-right on a Windows keyboard is Control/Windows/Alt/Spacebar, while left-to-right on a Mac keyboard is Control/Option/Command/Spacebar.  Thus, for a touch typist, the mapping should be Control to Control, Windows to Option, and Alt to Command.  The current mapping forces us to learn a completely set of keystrokes on the VM than we're used to on a Windows keyboard (which we have to use anytime we're no on the VM).

Please consider providing a configuration setting that would allow the mapping of these two keys to be swapped, that is, for the Mac ""Option"" key to be mapped to Windows, and the Mac ""Command"" key to be mapped to Alt.

Thank you.",Vince Rice
5856,Can not write to VBox shared folders until someone logs in,VirtualBox 3.1.2,Windows,2009-12-27T21:36:34Z,2009-12-27T21:36:34Z,2009-12-27T21:36:34Z,"Vbox 3.1.2
Host: CentOS 5.4
Guest: Windows Server 2003 as a Terminal Server
Guest Additions: 3.1.2

Hi All,

Would you please fix this for me?

I have Cobian Backup (http://www.cobian.se/cobianbackup.htm) set to backup certain files on my Guest in the middle of the night to my host's VBox shared drive (\VBOXSVR\Drivers-Windows\pro-backup). Before I do my backups on the Host, I shut the Guest down.  After the backups are complete, I restart the Guest.  So, the Guest gets reboot once a day.

Problem: Cobian can not see the drive, unless someone logs in (any account will do).  This has shown up mightily during the holidays as no one is using the Guest.

Cobian error:
    12/25/2009 10:20:17 PM The destination directory ""\VBOXSVR\Drivers-Windows\pro-backup\pro60 2009-12-25 22;20;10"" doesn't exist. Trying to create it

    ERR 12/25/2009 10:20:17 PM Cannot create the destination directory ""\VBOXSVR\Drivers-Windows\pro-backup\pro60 2009-12-25 22;20;10""

Many thanks,
-T",ToddAndMargo
5862,integrate host and guest keyboard window switching (ALT+TAB),VirtualBox 3.1.2,Windows,2009-12-28T20:15:16Z,2010-02-23T13:53:25Z,2010-02-23T13:53:25Z,"I feel the same as the reporter of Ticket #778, about the VM instantly passing keyboard focus to the guest being very annoying for people such as myself who use the keyboard to switch between windows in the host system.

However, instead of disabling this focus-passing, I propose another interesting feature that will solve this problem: Just like the mouse focus is seamlessly shared between the host and guest (with guest additions), maybe the ALT+TAB window switching inside the guest could be integrated with that of the host. So that you can somehow switch through both host and guest windows without needing other keyboard shortcuts / mouse clicks inbetween.",uetsah
6074,Permission denied to access shared folders on Windows when folder contains broken symbolic link,VirtualBox 3.1.2,Windows,2010-01-26T13:39:36Z,2011-05-25T12:52:29Z,2011-05-25T12:52:29Z,"Host: Ubuntu 9.10 AMD64 Guest: Windows XP 32bits

For some reason, Windows prevented me to access a shared folder by telling me I need administraor privileges to access it (while I have them).
I noticed that I have some broken symbolic links on the ext4 filesystem of that folder. After removing them, access to the folder was granted by Windows guest os.",Ankhterus
6148,international characters cannot be created on mounted linux guest shared folder,VirtualBox 3.1.2,Linux,2010-02-09T14:16:21Z,2010-02-09T14:16:21Z,2010-02-09T14:16:21Z,"Im using linux ubuntu as guest running on linux host ubuntu. shared folder mount perfectly and I can copy move and delete any files on it, but files with caracters with acentos gives me ""protocol error"" see the command:

suporte@lanhelpdataserver:~$ touch test.txt
suporte@lanhelpdataserver:~$ 

the above creates the file test.txt

suporte@lanhelpdataserver:~$ touch testé.txt
touch: cannot touch `testé.txt': Protocol error
suporte@lanhelpdataserver:~$ 

the above returns the error, the only change is the addition of character ""é"" on filename.

thanks.",Marcus Leandro
6893,32-bit Windows OpenGL applications are not 3D-accelerated in a 64-bit Windows guest,VirtualBox 3.2.2,Windows,2010-06-04T07:44:20Z,2010-06-04T07:44:20Z,2010-06-04T07:44:20Z,"With VBox 3.2.2, 64-bit Windows OpenGL applications are now 3D-accelerated with 64-bit Windows guests, but 32-bit OpenGL applications still use the software renderer.

The 3.2.2 Guest Additions for Windows appear to install 32-bit versions of the VBoxOGL DLL's in c:\windows\syswow64, but the necessary registry information to enable these is not present in:

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\OpenGLDrivers\VBoxOGL

If I copy this key over from the 64-bit location

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\OpenGLDrivers\VBoxOGL

then I can make the 32-bit version of VBoxOGL.dll load, but it subsequently prints several copies of the following error message:

OpenGL Warning: Host doesn't accept our version 7.1. Make sure you have appropriate additions installed!

and the 32-bit OpenGL application is not 3D-accelerated.
",DRC
7260,VBoxTray.exe high CPU usage in RDP session,VirtualBox 3.2.6,Windows,2010-08-02T13:52:01Z,2016-01-04T12:49:43Z,2016-01-04T12:49:43Z,"Hi

version: 3.2.6
host: Windows Vista 32-bit
guest: Windows 2003 Server 32-bit (guest additions installed)

When connecting guest OS through Windows RDP (I mean not VirtualBox RDP) VBoxTray.exe loads CPU up to 100%. After killing the VBoxTray.exe process it's OK.

Regards, Almir",nalmir
7288,"Shared Folders: on windows guest, linux host. case-sensitive directoryes, but not files.",VirtualBox 3.2.6,Windows,2010-08-09T09:12:43Z,2010-09-22T12:28:31Z,2010-09-22T12:28:31Z,"
example of bug:

    Microsoft Windows XP [Version 5.1.2600][[BR]]
    (C) Microsoft Corporation 1985-2001.[[BR]]
    C:\> net use S: \vboxsvr\user[[BR]]
    S:\TEMP> mkdir tst[[BR]]
    S:\TEMP> mkdir TST[[BR]]
    Subdirectory or file TST already exists. ''<---- normal for WinXP. case insensitive''[[BR]]
    S:\TEMP> mkdir TST\SECOND[[BR]]
    The system can not find the path specified. '''<---- abnormal. case sensitive ! '''[[BR]]
    S:\TEMP> mkdir tst\SECOND[[BR]]
    S:\TEMP> echo 123> TST\SECOND\file '''<---- abnormal. case sensitive ! '''[[BR]]
    Can not find the file specified.[[BR]]
    S:\TEMP> echo 123> tst\SECOND\file[[BR]]
    S:\TEMP> echo 123>> tst\SECOND\FILE ''<---- normal. case insensitive''[[BR]]
    S:\TEMP> erase tst\SECOND\FILE ''<---- normal. case insensitive.''  '''bug does not affect the files, only directories!!! '''[[BR]]


shared folder placed on XFS partition of host.

i found similar ticket [http://www.virtualbox.org/ticket/437 437], but is associated with a very old version of vbox

Why are the directory names are case-sensitive, but filenames not? How to fix?",Jury
7361,Windows XP UNC Benutzername und Passwort läst sich nicht über Ordner suchen hinzufügen,VirtualBox 3.2.8,Windows,2010-08-21T14:38:55Z,2010-08-21T14:38:55Z,2010-08-21T14:38:55Z,"Auf einem Windows XP Host, kann man bei einem ""Durchuschen""(Ordner suchen)-Dialog(Fenster) auch einen Netzwerkort angeben. Das ist UNC. Normalerweise dann, bei einem Datenzugrif auf diesen Ort, fordert dann Windows XP die Zugangsdaten per Fenster auf, ein zu geben. Jedoch wird bei dem ""Durchsuchen""-Dialog bei Virtual Box nur der Path-String ausgelesen und als lokale Adresse behandelt. Somit erkennt Windows nicht, dass es nötig ist, ein Fenster zu erstellen um die Zugangsdaten (Benutzername, passwort) eingeben zu können.

Jedoch könnte man die Funktion von Virtual Box umschreiben. So dass man da bei dem Fenster ""Gemeinsame Ordner"" gleich die Zugangsdaten mit angeben kann und diese dann entsprechend der Paramter-Syntax mit einer UNC-Connection Funktion übernommen werden.

So mit würde folgender Leistungs-Belastener Schritt nicht mehr nötig:

1. Netzlaufwerk zur Netzwerkquelle auf dem Host erstellen (net use).

2. Erstelltes Netzlaufwerk von Punkt 1, als Quelle bei den Gemeinsamen Ordnern (Virtual Box) eintragen.

3. Netzlaufwerk im Gast-Betriebsystem (Virtual Box Computer) erstellen (net use).",Ines
7443,Guest Addition brakes mouse: instant scrolling instead of pointer movement,VirtualBox 3.2.8,Windows,2010-09-07T15:18:40Z,2015-06-04T19:15:50Z,2015-06-04T19:15:50Z,"Host OS: Win7HomeBasic

Guest OS: WinXP SP3

VBox version: 3.2.8

PC(Notebook): Samsung R519

After installation of the Guest Additions touchpad (and usb-mouse too) does not work properly in guest OS: any application that have scrollbars (tested on notepad, MS Office 2007, MS Paint) do constant scrolling down to the bottom of the document when touchpad is used or mouse is moved. The direction of the mouse's movement does not influence on the applications behaviour. It just scrolls down. Installation of the official touchpad drivers into guest OS does not help. The pointer does not react on any movement after the driver installation.
The mouse (and touchpad) worked fine before Guest Additons installation. Uninstallation makes mouse work back as well.
",zolotov
7642,[feature-request] Reverse Shared Folders,VirtualBox 3.2.10,other,2010-10-24T19:17:20Z,2011-04-28T20:29:56Z,2011-04-28T20:29:56Z,"Hello,

I really would like to be able to work on Guest's hard disk from Host. (when guest is running)

This way I could use host's programs to search in guest's HDD, plus process data located on guest's HDD.

For example using Norton Commander on Windows host, is much nicer to manipulate _all_ the data on both Host and Linux guest, rather than use KDE Krusader or Midnight Commander in Linux guest. This simplifies my workflow.

Guest's filesystems should be mountable on host's filesystems (and as Driver Letters).

-Alexey ""Technologov"", 24.10.2010.",Technologov
7727,Keyboard should be released to host when mouse moves outside of Vbox window,VirtualBox 3.2.10,Windows,2010-11-16T16:05:37Z,2010-11-17T08:50:27Z,2010-11-17T08:50:27Z,"Currently, it takes two user actions to release the keyboard:
  a) move mouse off the vbox window
  b) click the mouse

The mouse click is unnecessary and redundant.  Moving the mouse is a clear indication that the user wants to do something outside of the vbox guest.  Guest additions should release the keyboard to the host at this point.  Curiously, even seamless mode does not help in this respect.

This may sound trivial at first glance, but it makes things clumsy when switching back and forth between guest vbox windows and host windows.  With Vbox, it takes a careful mouse movement to a harmless place, an additional mouse click, before being able to use keyboard CUA.  Also, finding a harmless place for the extra mouse click can be a problem when using a full host taskbar and a maximized vbox guest window.

Instead, it is much easier to just move the mouse to any max position off of the vbox window, and the use keyboard shortcuts to change to a different host desktop.

As a point of reference, a Large Commercial Virtualization package works this way.  It does not require the extra mouse click.",mtnbiker
7749,Vboxsf has no read caching on linux,VirtualBox 3.2.10,Linux,2010-11-21T15:20:48Z,2010-11-21T15:20:48Z,2010-11-21T15:20:48Z,"There is no read caching implemented on volumes mounted via vboxsf on linux guest.
Read cache may improve vboxfs performance dramatically.

For testing try executing 
{{{
time cat any_long_file > /dev/null
}}}
on mounted host fs multiple times. Time to read file does not change. That means there is no caching done on that file.
Dong the same i.e. on vmware fusion shares makes subsequent reading almost instant.",Slava Nadvorny
7761,additions install on Xen kernel,VirtualBox 3.2.10,Linux,2010-11-24T21:35:36Z,2010-11-24T21:35:36Z,2010-11-24T21:35:36Z,"Apparently, Linux Guest Additions are not working on Xen kernels. Unfortunately, I did not know about this limitation, because the Additions installer appeared to install OK. Sure, it installed OK, but should it even try to install?",Luci S
7804,"When mounting shared host files with vboxsf, softlinks fail to be copied.",VirtualBox 3.2.12,Linux,2010-12-07T20:23:47Z,2010-12-07T20:23:47Z,2010-12-07T20:23:47Z,"Description:

A host OS Ubuntu 9.10 shares out files in a directory Engineering_85 as an OracleVirtualBox 'device'. A guest OS Ubuntu 9.10 mounts the host files, thus:

{{{ 
sudo mount -t vboxsf -o rw,gid=1000,uid=1000,dmode=0777,fmode=0777 Engineering_85  /home/ddade/mounts
}}} 
 
The mount is listed in the guest OS, thus: 

{{{
ddade@UbuntuBlade01:~/mounts/test/server/sql_performance$ ls -lt
ls: cannot access test_database: No such file or directory
ls: cannot access refresh_database: No such file or directory
ls: cannot access test_sql_performance: No such file or directory
total 24
-rwxrwxrwx 1 ddade ddade  578 2010-12-07 14:31 l.txt
-rwxrwxrwx 1 ddade ddade  518 2010-12-06 17:10 Jamfile
-rwxrwxrwx 1 ddade ddade 2717 2010-12-06 17:10 refresh_database.cpp
-rwxrwxrwx 1 ddade ddade  423 2010-12-06 17:10 run-me-first.sh
-rwxrwxrwx 1 ddade ddade 2170 2010-12-06 17:10 test_database.cpp
-rwxrwxrwx 1 ddade ddade 4093 2010-12-06 17:10 test_sql_performance.cpp
?????????? ? ?     ?        ?                ? refresh_database
?????????? ? ?     ?        ?                ? test_database
?????????? ? ?     ?        ?                ? test_sql_performance
}}}
 
Problem:
Links show up as ""No such file or directory"".  This is an error.  Linux 'inodes' that represent softlinks should be copied as directory entries (regular files).  It appears that OracleBox insists on following the links to their target.  

If the target does not actually exist, that is OK.  The link should be shared-out to the guest OS, and presented correctly as if the file were on the original (host) OS file system.

",V
7968,Protocol error with junctions in shared directory,VirtualBox 4.0.0,Linux,2010-12-31T15:17:31Z,2016-03-21T16:14:42Z,2016-03-21T16:14:42Z,"Host: Win XP Pro SP3 32bit[[BR]]
Guest: Ubuntu 10.04 32bit

In a shared directory on the Windows host I have created junctions (aka ""reparse points"") to other directories. When using guest additions 3.2.12 these are treated as regular directories and the contents of the linked directory is shown.

With guest additions 4.0.0 (both versions tried in the same VM in VB 4.0.0) when I try to ""cd"" into one of the junctions, I get an error like
""bash: cd: Junction: Protocol error"" where ""Junction"" is the name of the junction.

",Michael Butscher
8038,Symbolic links in shared folders,VirtualBox 4.0.0,Linux,2011-01-08T19:37:48Z,2012-08-21T09:45:45Z,2012-08-21T09:45:45Z,"
Hi all !

Virtualbox 4.0.0
windows host, linux guest.

If I made with windows a simlink from folder c:\Documents to d:\shared_folder\documents... under linux this symlink doesn't works... is not accessible ( red color 0 byte )... linux can't access to c:\Documents.
In the past releases this kind of symlink worked.

For testing windows simlinks I used mklink from cmd line and a specific ( awesome ) program like Link Shell Extension (http://schinagl.priv.at/nt/hardlinkshel ... ml#contact ) that allow making different kinds of links... but nothing working...",Quaid
8057,First mouse click in virtual screen interpreted as drag,VirtualBox 4.0.0,Linux,2011-01-11T06:53:56Z,2014-10-16T13:57:02Z,2014-10-16T13:57:02Z,"With an OSX host and Linux (Fedora 14) guest with guest additions installed, a mouse click into the guest that also transfers focus to the running VirtualBox host window causes an undesired drag from the previous mouse position within the guest (before host focus moved).
This can have a number of undesirable effects on the guest depending on what exactly is on screen at the time.

Steps to reproduce:

1. Install Fedora 14 and guest additions on an OSX host, and run in single-window mode with mouse integration enabled

2. With a clean F14 desktop (no windows open), focus another host (OSX) window

3. Left-click and hold at any position on the F14 desktop. A selection rectangle should be visible from the last position of the mouse within the guest before host focus was lost (the bug occurs even without holding, but the desktop selection rectangle shows what is happening clearly)

Expected behaviour: The click (or drag) should be experienced by the guest as starting from the position of the click into the guest desktop, not the position of the mouse prior to loss of host focus
",Matthew Francis
8404,"window backup (wbadmin) restore error ""Cannot enumerate files"" if guestadditions installed.",VirtualBox 4.0.4,Windows,2011-02-22T20:00:27Z,2011-02-22T20:00:27Z,2011-02-22T20:00:27Z,"Guest Windows 2008 Server (32bit) as DC role. Guest edition 4.0.2 installed, 4.0.4 running. 

Perform windows full vss backup, with windows backup to attached disk.

Boot into DSRM and attempt a system state restore.

wbadmin start systemstaterecovery -version:xxxx -backuptarget:E: -authsysvol

Errors with ""cannot enumerate file""

If the guest edition is removed, a restore can be made.

Comments on the net suggest that this might be due to the path names of the vboxservice in the registry. However a brief examination of the service keys did not show anything unusual to my eye.



",John Huttley
8481,Failure when non-existing uppercase and underscore directory,VirtualBox 4.0.4,Windows,2011-03-03T09:18:43Z,2011-03-03T09:18:43Z,2011-03-03T09:18:43Z,"1. Ubuntu 10.10 Host
2. Windows XP Guest
3. VirtualBox-Guest-Tools 4.0.4
4. Shared Folder called ""Share"" pointing to ~/Share

5. Do this:
{{{
cd ~/Share
rm -rf /tmp/HELLO_WORLD #yes, the directory must not exist
ln -s /tmp/HELLO_WORLD HELLO_WORLD
}}}

6. Try to access \VBOXSVR\Share:

""Auf \VBOXSVR\Share kann nicht zugegriffen werden. Sie haben eventuell keine Berechtigung, diese Netzwerkressource zu verwenden. Wenden Sie sich an den Administrator des Servers, um herauszufinden, ob Sie über Berechtigungen verfügen.

Falscher Parameter."" 

Unfortunately my Windows is german and i didn't find an exact translation in google...
""Unable to access \vboxscr\share. You might have unsufficent privileges to use this ressource. Consult your admin blah blah

Wrong parameter.""


If you try the same with ""hello_world"" or ""HELLO"" or ""HELLO_WORLd"", there will be no error.",garfield
8551,DOS applications dosn't work with VBox Guest Additions shared folders,VirtualBox 4.0.4,Windows,2011-03-13T00:38:18Z,2011-03-13T00:38:18Z,2011-03-13T00:38:18Z,"Hello,

There is a problem with DOS applications working on folders shared through VBox Guest Additions.

The test configuration is:
  Host:  Win XP, 32-bit /problem also confirmed on Win7 64-bit host/

  Guest: Win XP, 32-bit

  Shared folder: 'D:\' on host shared as 'D'; Drive F: on the guest is mapped to \vboxsvr\D;
  
Problem: A DOS application running on the guest cannot find any file residing on a shared folder. The standard DOS FindFirst function call (INT 21/AH=4E) always fails despite there is files matching to the search criteria. For example FindFirst(""F:\Temp\*.*"") always got error is 0x12 (NO MORE FILES), but there are files in F:\Temp. Furthermore if you call GetExtendedError (INT 21/AH=59h) afterwards it reports error 0xEA which looks meaningless and unrelated to the error returned by FindFirst.

The problem occurs only if you are searching for files on a shares through VirtualBox Guest Additions. It's working correctly with classic SMB network shares.

I tested FindFirst for files on a network drive (e.g. drive 'G:' mapped to a network share) and it works. But if you map G: to \vboxsvr\some-shared-folder then you always got error as described above.

Another test by running 4DOS command shell on the guest shows similar behaviour (4DOS is a popular 16-bit DOS shell like COMMAND.COM). If you type ""dir F:\*.*"", where F: is mapped to \vboxsvr\some-shared-folder you see empty directory listing.

Described problem also appears also on a different machine with Windows 7, 64-bit host.",Dimitar Nanev
8597,"When connect to windows server guest by use Terminal Services, the VBoxTray.exe use half of my CPU",VirtualBox 4.0.4,Windows,2011-03-20T15:34:24Z,2011-03-20T15:34:24Z,2011-03-20T15:34:24Z,"Hi

I think I find a bug here:

I was try Windows Server 2003 SP2 on VirtualBox 4.0.4, and install the Terminal Services, and set the network to be Bridged.

Now when I connect the Windows Server by use Remote Desktop Connection, VBoxTray.exe will use half of my CPU.",vibbow
8664,vboxsf causing kernel panic with mounted loopback file system after restore from suspend,VirtualBox 4.0.4,other,2011-04-01T18:28:38Z,2011-04-01T18:28:38Z,2011-04-01T18:28:38Z,"My CentOS 5.5 guest O/S uses a read/write NTFS shared folder from my Windows XP Pro SP3 host operating system drive.  This shared folder is automatically mounted on boot via /etc/fstab to /mnt/host.  Within that shared folder is a 100MB file that functions as a loopback filesystem which was created like this:
{{{
dd if=/dev/zero of=/mnt/host/my-loopback-fs.img bs=1M count=100 && mke2fs -F -j /mnt/host/my-loopback-fs.img
}}}

It can be mounted like:
{{{
mount /mnt/host/my-loopback-fs.img -o loop /mnt/lo-fs
}}}

Once mounted, I close the VM and save the state. 

I then bring the VM back to life. A kernel panic usually sets in seconds after the VM is reloaded. Sometimes it takes 2 minutes, sometimes it is immediate.  Odd things appear with the mounted loopback filesystem if I try to use it such as I/O errors. I've managed to unmount it and remount it before the kernel panic sets in, but I cannot seem to get around the fact that it will eventually occur.

Here's uname -a:
{{{
Linux ffm-023631-vm1.example.tld 2.6.18-194.32.1.el5 #1 SMP Wed Jan 5 17:53:09 EST 2011 i686 i686 i386 GNU/Linux
}}}

I've attached the kernel panic screen and a compiled version of vboxsf.ko.",Greg McLearn
8761,Silent failure to delete files on Shared Folders,VirtualBox 4.0.6,Linux,2011-04-21T22:50:42Z,2021-07-21T08:05:07Z,2021-07-21T08:05:07Z,"When running bonnie++ bechmark on Linux guest (Fedora 14) in a shared folder under Windows XP host, the benchmark fails due to ""directory not empty"" at the end. 

The benchmark creates thousands of small files, and then deletes them. The problem is that after all deletions are done (and no error is reported), the benchmark directory is not empty.

Running the same benchmark on the same guest, but on a Linux native folder (VDI disk), the benchmark runs OK. No files left over.

VirtualBox 4.0.6 (the problem also occurred on VirtualBox 4.0.4, I just hadn't reported it yet, sorry)[[BR]]
Host: Windows XP Professional SP3[[BR]]
Guest: Fedora 14 kernel 2.6.35.11-83.fc14.i686[[BR]]
bonnie++-1.96-1.fc13.i686

Terminal session:

{{{
# cd /media/sf_some_shared_folder
# bonnie++ -u root -n 3 -s 0
Using uid:0, gid:0.
Create files in sequential order...done.
Stat files in sequential order...done.
Delete files in sequential order...Bonnie: drastic I/O error (rmdir): Directory not empty
Cleaning up test directory after error.
# ls
Bonnie.1733
# ls Bonnie.1733/ | wc -l
1106
# for i in `seq 1 5`; do bonnie++ -u root -n 3 -s 0; done
Using uid:0, gid:0.
Create files in sequential order...done.
Stat files in sequential order...done.
Delete files in sequential order...Bonnie: drastic I/O error (rmdir): Directory not empty
Cleaning up test directory after error.
...[snip, cut 4x repeated output]...
# for dir in `ls -d Bonnie*`; do \
    echo -n ""files left over in $dir: ""; \
    ls $dir | wc -l; done
files left over in Bonnie.1733: 1106
files left over in Bonnie.1743: 1111
files left over in Bonnie.1744: 1102
files left over in Bonnie.1745: 1102
files left over in Bonnie.1746: 1102
files left over in Bonnie.1747: 1108
# rm -rf Bonnie.*
# ls
}}}

Notes:[[BR]]
- bonnie++ option [-n 3] creates 3 * 1024 files[[BR]]
- The command [rm -rf Bonnie.*] successfully deletes all left over files. That said, as stated above the benchmark runs OK on native Linux guest disk instead of shared folder, so it seems the problem is not in bonnie++ code.[[BR]]
- There's no error / no message appearing at VBox.log for the running VM right before, during or after the benchmark. See attached file VBox-20110421-1939.log.


// BTM3505 (self reference, please ignore)
",Edmar (Macrovita)
8789,Shared Folders doesn't honor guest OS DAC settings,VirtualBox 4.0.2,Windows,2011-04-25T15:43:28Z,2011-05-09T19:33:13Z,2011-05-09T19:33:13Z,"When using VBoxHeadless vrdp -off and set a mount point on the NFS shared (/export/home/COMMON_SHARE) we noticed that the files that are copied to NFS share from the guest OS show DAC root:root instead of the user DAC settings from the guest OS. The user account exists on both Host and Guest (same UID/GID) example testuser1/staff.

Guest OS: Windows Server 2003 STD R2
Host OS: Solaris 10 v10/09
Extension pack for 4.0.2 installed",Ronald MacDonald
9006,Guest Additions: Fails to detect multiple IP addresses on the same NIC,VirtualBox 4.0.8,Windows,2011-06-01T12:28:35Z,2011-06-01T13:50:49Z,2011-06-01T13:50:49Z,"Host: Win 7 x64 + VBox 4.0.8
Guest: Windows XP + GA 4.0.8

As part of GNS3 Network Simulator tests, it became clear that VBox GA give incomplete information regarding multiple IP addresses.

Specifically, if I configure several IP addresses on single NIC, Guest Additions must show the MAC address of all logical interfaces. Currently MAC address is omitted for secondary IP addresses.

-Technologov, 1.Jun.2011.",Technologov
9031,Add option to handle URLs in guest on host,VirtualBox 4.0.8,Windows,2011-06-06T14:33:33Z,2011-06-06T14:33:33Z,2011-06-06T14:33:33Z,"It would be really useful if Guest Additions could (optionally?) add a handler for URLs that would pass them through to the host.

My use case is Outlook running on a Win7 Guest.  I'd prefer if links in Outlook opened on my Host instead of in the Guest. Others at my work have a similar use case, as well as [http://superuser.com/questions/140234/is-there-a-way-to-redirect-a-click-on-a-url-in-a-virtualbox-guest-to-open-in-th others] outside my work.

Ciao!",Christian Höltje
9036,"kernel WARNING ""sysfs: cannot create duplicate filename /devices/virtual/bdi/vboxsf-$SHARENAME""",VirtualBox 4.0.8,Linux,2011-06-06T19:12:45Z,2011-10-19T18:15:16Z,2011-10-19T18:15:16Z,"The following kernel messages are regularly logged since upgrading to 4.0. They appear harmless.

{{{
Jun  6 20:00:41 wintermute kernel: [   18.074041] ------------[ cut here ]------------
Jun  6 20:00:41 wintermute kernel: [   18.074048] WARNING: at /build/buildd-linux-2.6_2.6.39-1+b1-amd64-h9EWBu
/linux-2.6-2.6.39/debian/build/source_amd64_none/fs/sysfs/dir.c:455 sysfs_add_one+0x86/0x98()
Jun  6 20:00:41 wintermute kernel: [   18.074051] Hardware name: VirtualBox
Jun  6 20:00:41 wintermute kernel: [   18.074052] sysfs: cannot create duplicate filename 
'/devices/virtual/bdi/vboxsf-vmshare'
Jun  6 20:00:41 wintermute kernel: [   18.074054] Modules linked in: bridge stp bnep rfcomm bluetooth rfkill binfmt_misc 
ppdev lp sha256_generic cryptd aes_x86_64 aes_generic cbc dm_crypt dm_mod joydev snd_intel8x0 snd_ac97_codec ac97_bus 
snd_pcm snd_seq snd_timer snd_seq_device pcspkr snd processor soundcore psmouse ac thermal_sys power_supply button 
serio_raw parport_pc parport snd_page_alloc evdev fuse vboxsf(O) vboxguest(O) loop autofs4 ext4 mbcache jbd2 crc16 
nbd usbhid hid sg sd_mod sr_mod cdrom crc_t10dif ohci_hcd ahci libahci libata ehci_hcd virtio_net scsi_mod usbcore 
virtio_pci virtio_ring virtio [last unloaded: scsi_wait_scan]
Jun  6 20:00:41 wintermute kernel: [   18.074089] Pid: 1226, comm: mount.vboxsf Tainted: G           O 2.6.39-1-amd64 #1
Jun  6 20:00:41 wintermute kernel: [   18.074091] Call Trace:
Jun  6 20:00:41 wintermute kernel: [   18.074097]  [<ffffffff810458b4>] ? warn_slowpath_common+0x78/0x8c
Jun  6 20:00:41 wintermute kernel: [   18.074100]  [<ffffffff81045966>] ? warn_slowpath_fmt+0x45/0x4a
Jun  6 20:00:41 wintermute kernel: [   18.074102]  [<ffffffff8114f8aa>] ? sysfs_add_one+0x86/0x98
Jun  6 20:00:41 wintermute kernel: [   18.074105]  [<ffffffff811500cd>] ? create_dir+0x67/0x9f
Jun  6 20:00:41 wintermute kernel: [   18.074108]  [<ffffffff81150196>] ? sysfs_create_dir+0x91/0xa5
Jun  6 20:00:41 wintermute kernel: [   18.074112]  [<ffffffff811a34fc>] ? kobject_add_internal+0xc8/0x181
Jun  6 20:00:41 wintermute kernel: [   18.074114]  [<ffffffff811a3745>] ? kobject_add+0x66/0x6b
Jun  6 20:00:41 wintermute kernel: [   18.074118]  [<ffffffff81331dc0>] ? mutex_lock+0xd/0x33
Jun  6 20:00:41 wintermute kernel: [   18.074120]  [<ffffffff811a3376>] ? kobject_get+0x12/0x17
Jun  6 20:00:41 wintermute kernel: [   18.074124]  [<ffffffff81242cfa>] ? device_add+0xcf/0x5d7
Jun  6 20:00:41 wintermute kernel: [   18.074127]  [<ffffffff8124329f>] ? device_create_vargs+0x8b/0xbc
Jun  6 20:00:41 wintermute kernel: [   18.074131]  [<ffffffff810cbb0f>] ? bdi_register+0x5a/0x183
Jun  6 20:00:41 wintermute kernel: [   18.074133]  [<ffffffff810cb794>] ? bdi_init+0x12b/0x157
Jun  6 20:00:41 wintermute kernel: [   18.074137]  [<ffffffff8110d9c1>] ? inode_sb_list_add+0x10/0x4b
Jun  6 20:00:41 wintermute kernel: [   18.074141]  [<ffffffffa01914fc>] ? sf_read_super_26+0x44f/0x514 [vboxsf]
Jun  6 20:00:41 wintermute kernel: [   18.074144]  [<ffffffff811a2788>] ? ida_get_new_above+0x196/0x1b7
Jun  6 20:00:41 wintermute kernel: [   18.074147]  [<ffffffff811a2bb3>] ? idr_pre_get+0x57/0x6b
Jun  6 20:00:41 wintermute kernel: [   18.074151]  [<ffffffff810fd06a>] ? unlock_super+0x21/0x21
Jun  6 20:00:41 wintermute kernel: [   18.074154]  [<ffffffff810fd0b8>] ? set_anon_super+0x4e/0xe1
Jun  6 20:00:41 wintermute kernel: [   18.074157]  [<ffffffff810fdf6a>] ? sget+0x35d/0x372
Jun  6 20:00:41 wintermute kernel: [   18.074160]  [<ffffffffa01910ad>] ? sf_glob_free+0x2a/0x2a [vboxsf]
Jun  6 20:00:41 wintermute kernel: [   18.074163]  [<ffffffff810fe05c>] ? mount_nodev+0x45/0x79
Jun  6 20:00:41 wintermute kernel: [   18.074165]  [<ffffffff810fdb2f>] ? mount_fs+0x6c/0x14a
Jun  6 20:00:41 wintermute kernel: [   18.074168]  [<ffffffff81112ce9>] ? vfs_kern_mount+0x61/0x97
Jun  6 20:00:41 wintermute kernel: [   18.074171]  [<ffffffff81112d7e>] ? do_kern_mount+0x49/0xd6
Jun  6 20:00:41 wintermute kernel: [   18.074173]  [<ffffffff81113533>] ? do_mount+0x728/0x792
Jun  6 20:00:41 wintermute kernel: [   18.074176]  [<ffffffff810e6260>] ? alloc_pages_current+0xa7/0xca
Jun  6 20:00:41 wintermute kernel: [   18.074179]  [<ffffffff81113625>] ? sys_mount+0x88/0xc3
Jun  6 20:00:41 wintermute kernel: [   18.074182]  [<ffffffff81338c12>] ? system_call_fastpath+0x16/0x1b
Jun  6 20:00:41 wintermute kernel: [   18.074184] ---[ end trace 8683823577cfa94a ]---
Jun  6 20:00:41 wintermute kernel: [   18.074186] kobject_add_internal failed for vboxsf-vmshare with -EEXIST, don't try to 
register things with the same name in the same directory.
}}}

This may be a duplicate of #8056, but for me the shared folders work fine, whereas in that bug the user cannot mount them.

Guest is Linux 2.6.32 through 2.6.39.",Sam Morris
9066,Shared folders lose guest access to folder contents when folders renamed,VirtualBox 4.0.8,other,2011-06-13T14:10:19Z,2016-02-23T05:50:40Z,2016-02-23T05:50:40Z,"On a Win7 x64 host and Ubuntu 11.04 x64 guest, whenever I rename a shared folder directory, the guest OS loses references to the files therein. The files are still there (and correct on the host OS) but somehow inaccessible on the guest: ls shows the filename, but gives ""no such file or directory"" errors for each file therein (so it would appear that it's there in the filesystem tables, but the pointer to the actual location has got broken somehow). This therefore definitely appears to be a vboxsf error.

The file access can be ""restored"" by remounting the folder, or by renaming the folder back to its original name. The error always occurs, however the renaming is done (console or file manager). It also occurs if the folder is renamed on the host.

This is a pretty serious error, especially because many apps put things in hidden folders and then rename these (e.g. backup utilities such as Unison).",Stuart Rossiter
9219,Shared Folder Enhancement,VirtualBox 4.0.12,other,2011-07-17T21:35:30Z,2011-07-18T06:52:38Z,2011-07-18T06:52:38Z,"Would it be possible to implement a feature for Windows guests in the Shared Folders to allow a user to define the drive letter for the auto-mount to use when mapping the shared folder? This could also be useful for Linux guests being able to set where you want the shared folder to be mounted.

Thanks!",TheShiv
9271,Mouse pointer Issues in graphics applications,VirtualBox 4.1.0,Windows,2011-07-22T07:42:56Z,2011-07-22T07:42:56Z,2011-07-22T07:42:56Z,"I have tested on three systems running Ubuntu 11.04 with unity.  P4 with Nvidia, Core 2 with Intel graphics and AMD with ATI graphics.  Problem is the same regardless of host 32bit or 64bit OS.  Virtualbox is 4.1.0

Problem is with 32bit Win XP SP3 guest - when 4.1 additions are installed mouse pointer seems ""inaccurate"" resulting in difficulties to manipulate objects in graphics packages.  Downgrading guest additions to 4.0.12 resolves the problem.

Problem is easily repeated with CorelDraw 11.  1 create a square object, 2 convert object to curves, 3 with the ""pick"" tool selected move mouse over each of the four nodes.  Correct behavior is that as mouse is over a node tool should change from pick to node edit however with additions 4.1.0 this is erratic and often never happens at all.  Other less consistent problems are also occurring, for example on complex graphics it is sometimes impossible to select an object.  Again this problem only manifests when additions 4.1.0 are installed on the guest.

I have tried disabling both 2d and 3d acceleration but this did not resolve the problem.  I expect this bug will cause problems in other applications too where manipulation of graphics is needed.
",Mark
9307,VBox 4.1.0 GA --  shared folder fails manual mount with sf_read_super_aux err=-22,VirtualBox 4.1.0,Linux,2011-07-25T23:50:42Z,2011-07-29T23:43:31Z,2011-07-29T23:43:31Z,"'''VBox 4.1.0 GA gets this error when mounting manually.'''

{{{
mount -t vboxsf vm-shared /mnt/shared
mount: wrong fs type, bad option, bad superblock on vm-shared,
            missing codepage or helper program, or other error
...
}}}

dmesg|tail shows:

{{{
sf_read_super_aux error=-22
}}}

Host: MacOSX 10.6.8
Guest: Oracle Linux 6

'''The following changes work:[[BR]]'''
1. Do not install 4.1.0 GA.  I upgraded VBox from 4.0.12 to 4.1.0.  My Oracle Linux 6.1 guest was using VBox GA 4.0.8 and shared folders were working fine.  After upgrading GA from 4.0.8 to 4.1.0, they now do not work when manually trying to mount shared folders.  This is all against the 2.6.32-100.34.1.el6uek.x86_64 kernel.[[BR]]

2. If I boot the same system into the Redhat kernel 2.6.32-131.0.15.el6.x86_64, and rebuild the 4.1.0 GA, then manual mounting works.[[BR]]


'''Also note:[[BR]]'''

A. Oracle Linux 5, with kernel 2.6.32-100.0.19.el5 and 4.1.0 GA gets: ""mount: Protocol error"" and dmesg says ""sf_read_super_aux err=-71"".  But if I set the VBox GUI setting ""Auto-mount"" for the shared folder, then the shared folder mounts fine at /media/sf_vm-shared.  Meanwhile, ""Auto-mount"" does not work on the OL 6.1 uek kernel (listed in 1. above).[[BR]]

B. If I use Debian guest with kernel 2.6.32-5, then 4.1.0 GA works fine.[[BR]]

C. I created a new VM from scratch (in case there were some issue with the other VMs having been created in an earlier version), did a fresh install of Oracle Linux 6.1, and built the 4.1.0 GA.  Manual mounting of shared folder fails.  '''I will upload the log for this guest''' since it is fresh with basically nothing else done to it.[[BR]]


",jguerrero
9345,Personalized Settings in Windows NT / XP can not be stored in the shared folder via Junction,VirtualBox 4.1.0,Windows,2011-07-29T18:03:11Z,2011-08-02T19:15:03Z,2011-08-02T19:15:03Z,"Hello,

if you use Windows XP in a VM and shut down after loading the snapshot, you want to retain settings (folders and files) from the Windows profile. There are the shared folder. Problem but if its Windows software in the Windows user settings constant user settings stores. With Linux, you could now create a symbolic link (ln-s newLink Target) but in Windows NT / XP, there is no symbolic links by default. It can also create tools using junctions but it does not work with network sources. ""vboxsvr"" is but an emulated network adapter. Symbolic links with a common goal in order Windows NT / XP do not work also. This is a critical problem. For Windows <NT / XP would be necessary to integrate different shared folder in Windows (mount).




Original text:

Hallo,

wenn man Windows XP in einer vM benutzt und es nach dem starten/beenden immer wieder auf einen Snapshot zurück setzten lässt, möchte man Einstellungen (Ordner und Dateien) aus dem Windows Profil beibehalten. Dafür gibt es den Gemeinsamen Ordner. Problem ist aber wenn Windows Software ihre Benutzereinstellungen konstant im Windows Profil abspeichert. Bei Linux könnte man nun einen symbolischen Link erstellen (ln -s neuerLink Ziel) aber bei Windows NT/XP gibt es standartmäßig keine symbolischen Links. Es lassen sich aber mittels Tools Junctions erstellen aber es funktioniert nicht mit Netzwerkquellen. ""vboxsvr"" ist aber ein emulierter Netzwerkadapter. Symbolische Verknüpfungen mit Ziel in einem Gemeinsamen Order in Windows NT/XP funktionieren also nicht. Das ist ein kritisches Problem. Für Windows < NT/XP müsste man die Gemeinsamen Ordner anders in Windows einbinden (mounten).",Codename
9448,Don't show mouse pointer in fullscreen,VirtualBox 4.1.2,Windows,2011-08-17T06:49:57Z,2011-08-17T07:52:18Z,2011-08-17T07:52:18Z,"Don't show mouse pointer in fullscreen for windows host.
Thanks Gabee.",Gabee
9634,programatically wiring binary data to a file on a VBoxSharedFolderFS disk fails,VirtualBox 4.1.2,Windows,2011-09-22T07:09:28Z,2011-09-22T07:09:28Z,2011-09-22T07:09:28Z,"I made a python program to write binary data to a file on my shared disk. It has the filesystem VBoxSharedFolderFS. '''When the data became over a certain size only 0s was written.''' 
I used the numpy.tofile() method and also used a more direct way writing the data.
f = open('z:\some_file.bin', 'wb')
f.write(data.tostring())
which also failed on the shared disk, but there was no problem on the local disk. 


",exoer
9734,Guest OS goes blank and then reboots when opening mounted shared folder.,VirtualBox 4.1.4,Windows,2011-10-11T00:51:45Z,2011-10-11T00:51:45Z,2011-10-11T00:51:45Z,"Hi, when i set up and then mount a folder share, my guest os seems to fail. Upon opening the mapped drive the system stalls for a second or two and then goes blank. The system then restarts itself. It is not shutting down, simply going completely blank instantly. My host OS is OS X Lion and my guest OS is Windows 7 Professional. Full details of everything tried so far can be seen on the forum thread: https://forums.virtualbox.org/viewtopic.php?f=2&t=45264 

I have guest additions installed as well as the extension pack. The problem is continuing to persist and the forums have not solved it. I am attaching my log file. Please help.",Tom Rogers
9846,Virtualbox 4.1.4r74291 - shared folders disappear and reappear randomly between reboots,VirtualBox 4.1.4,Windows,2011-11-02T17:22:48Z,2011-11-02T17:22:48Z,2011-11-02T17:22:48Z,"Virtualbox 4.1.4r74291 - shared folder to drive letter mappings disappear and reappear randomly between reboots.
They always show up in the VM's Settings --> Shared Folders section, no problem displaying or editing them.   But, when you start the VM, sometimes they show in Windows Explorer as mapped drive letters, sometimes they don't.   They are always accesible when referenced as UNC paths, i.e. \vboxsrv\sharedfolder, but they are not always accesible as drive letters.",Pedro Serrano
9934,Suspend 3D Desktop Composition when entering Seamless Mode,VirtualBox 4.1.6,other,2011-11-21T23:44:20Z,2011-11-22T10:43:58Z,2011-11-22T10:43:58Z,"This bug is relevant for all guests with 3D desktops : Aero/Kwin3D/GNOME-shell/Unity3D/Compiz.

I know, I know, this is not supported... but... it seems there is a
way to support it:

KDE 4.7 new:

""KWin now features an option for application developers to suspend
compositing when a fullscreen application calls for it. This should
increase performance for OpenGL games and GPU-accelerated video
playback.""

http://kde.org/announcements/4.7/platform.php

Something similar is possible for WinVista and Windows 7 Aero too. Not
sure about Unity and GNOME, but we can try opening wishes, if needed.

Basically when entering Seamless mode, VBox can request guest OS to
return to 2D mode.

-Alexey Eromenko ""Technologov"", 22.11.2011.",Technologov
9987,Provide Additions for Mac OS X guests,VirtualBox 4.1.6,OSX Server,2011-12-04T01:00:15Z,2017-08-05T02:27:14Z,2017-08-05T02:27:14Z,There are no guest additions for Mac OS X for server editions or regular additions.,Matthew Sedam
10001,Short file names missing from \vboxsvr\share,VirtualBox 4.1.6,Windows,2011-12-07T08:16:23Z,2011-12-07T08:16:23Z,2011-12-07T08:16:23Z,"short file names are missing via shared folders whether the drive is mapped or the unc is used.  for example: 

dir \vboxsvr\share /x 

should list short file names along with the name, but the short file names are missing.  this is causing problems with 16 bit utilities including source code builds that have to use the short name.
",dfatvb
10009,Switching to dimensioned mode (Host+C) hangs Windows 7,VirtualBox 4.1.6,Windows,2011-12-08T17:54:01Z,2011-12-08T17:54:01Z,2011-12-08T17:54:01Z,"Windows 7 guest / VB 4.1.6 / Mac OSX Lion

When in the VM I inadvertently press host+C (Copy in mac world), Virtual Box VM switches to 'dimensioned mode'
When getting back to 'integrated desktop' mode (host+L), user interface is just freezed, no action possible unless I restart the virtual machine.

I've experienced this problem since VB version 4.1.4, and before upgrading Mac OSX to Lion.",n
10014,"Linux (64-bit) host, Windows 7 64-bit guest: can't execute files from shared folders",VirtualBox 4.1.6,Windows,2011-12-10T14:46:58Z,2017-03-24T20:32:11Z,2017-03-24T20:32:11Z,"With a Linux (debian 64-bit) host and a Windows 7 64-bit guest, I've enabled shared folders.  Most access works fine, and the performance is great.  However, I am not able to execute programs (.exe, etc.) or do certain other operations such as opening pdf files by double-clicking on them.  Instead, I have to copy the folders locally in order to operate on them.

I have seen other reports similar to this with Windows host and Linux or Solaris guest that can be resolved by specifying permissions at the time of mounting, but I don't see any options like this for attaching a Windows share.  (My Linux experience is much deeper than my Windows experience.)  I know that when sharing a volume on Windows, you can set things up this way, so perhaps this is intentional.  My shared folder is set as ""full"" access. ",Jay Berkenbilt
10085,making a symlink fails on a shared folder with EROFS,VirtualBox 4.1.8,Linux,2011-12-26T14:02:52Z,2020-05-27T16:34:18Z,2020-05-27T16:34:18Z,"it is impossible to create a symlink within a shared folder from guest OS.

guest shell output:

----------------------

[user@centos sf_sources]$ mount

/dev/sda1 on / type ext4 (rw)

proc on /proc type proc (rw)

sysfs on /sys type sysfs (rw)

devpts on /dev/pts type devpts (rw,gid=5,mode=620)

tmpfs on /dev/shm type tmpfs (rw,rootcontext=""system_u:object_r:tmpfs_t:s0"")

/dev/sda3 on /home type ext4 (rw)

none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)

sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)

sources on /media/sf_sources type vboxsf (gid=501,rw)

[user@centos sf_sources]$ ln ./test ./test2

ln: creating hard link `./test2' => `./test': Operation not permitted

[user@centos sf_sources]$ ln -s ./test ./test2

ln: creating symbolic link `./test2': Read-only file system

[user@centos sf_sources]$ touch test2

[user@centos sf_sources]$ ls test*

test  test2

-------------------

host FS for the shared folder is ext4.

same operation worked fine in ver. 4.1.6",Vlad Bespalov
10101,"VBoxLinuxAdditions should check for make, perl",VirtualBox 4.1.2,Linux,2011-12-29T03:03:24Z,2012-01-04T15:28:32Z,2012-01-04T15:28:32Z,"Just finished installing guest additions on a CentOS 6.2 system (x86_64, in case it matters... don't think it does, though.)

In addition to the usual kernel-devel and gcc requirements, make and perl were also not installed as part of the default textmode install, yet were required for the guest additions module to be built.

It was not difficult to find out these were missing--it was very obvious from vboxadd-install.log, actually--but the installer should probably explicitly check anyway.

I can write a patch for this myself if someone would be kind enough to point out where the relevant source is located in the tree.",Matt Behrens
10261,Shared Folder symlnks now broken with Windows Host<-> Linux Guest,VirtualBox 4.1.8,Linux,2012-02-18T17:47:07Z,2012-05-03T08:01:19Z,2012-05-03T08:01:19Z,"One of the most annoying things over the holidays was when I upgraded to the Virtual Box 4.1.8 release and it broke the ability to create symlinks inside shared folders on a Windows 7 host.  Normally prior, I would run Virtual Box as administrator and symlinks were creatable and would function properly.  We use symlinks to link our django project settings files to be a source file checked into our code repots.  Now I have to copy the file direct and use a differ tool.

Unfortunately I did try down grading to the previous version but the xml structure of the machine file definitions changed and there was no documentation or inisight on how to correct it so my machines could now only run in the current version that has this broken functionality.  I consider this defect major because it is functionality that is useful to developers, does not pose a security risk, and is now completely broken in the latest point release.

I love VirtualBox and I will be truly satisfied if this issue can be fixed.  Now to file a different report with the PyCharm people ...",Matteius
10504,Missing case-insensitivity for certain filenames for Windows 7 guests,VirtualBox 4.1.12,Windows,2012-05-02T13:16:10Z,2012-05-02T13:16:10Z,2012-05-02T13:16:10Z,"Use a Windows 7 64-bit guest on VirtualBox 4.1.2 on Linux 64-bit hosts.
Mount a VirtualBox-Filesystem share.
Open a ""cmd"" box and change the current directory into a directory in this share.
Execute following script:

{{{
mkdir test
mkdir test\Client
mkdir test\Client\a
mkdir test\Client\a\b
dir test\client\a
dir test\Client\a
}}}

What is expected that ""test\client\a"" should be accessible. What is actually observed is that ""test\client\a"" is not accessible. However, ""test\Client\a"" is accessible.

Running apps which access VirtualBox-shares is therefore quite restricted.


",xbaldauf
10558,Console Mode Mouse Position not moving in Guest,VirtualBox 4.1.14,Linux,2012-05-12T22:12:06Z,2015-02-18T09:06:12Z,2015-02-18T09:06:12Z,"The square mouse cursor for the console mode of a Linux guest does not move.  When the mouse is moved, the console cursor remains in the center of the text display.  Double-clicking the mouse causes the line at the cursor position to be selected. Apparently the mouse clicks are being seen, but not the mouse position updates.

I tested using VirtualBox 4.1.14, 4.1.12 and 4.1.10 on the host.  Those versions all behaved the same way.  Only the version of Guest Additions seems have an effect on the problem.

I am using the generic Linux version of the Guest Additions, since there is no version specifically for Slackware Linux.

Guest Additions version 3.1.6 and 4.1.2 work in console mode, and the square text mouse cursor moves as expected.  Guest Additions versions 4.1.4 through 4.1.14  all have this problem and the console mouse cursor is frozen.  My testing for all versions of the Guest Additions was done using VirtualBox 4.1.14 on the host.

I tested both a 64-bit Slackware Linux guest and a 32-bit Slackware Linux guest.  I also tested the v2.6 Linux kernel (32-bit) and kernel v3.2.13 (32/64-bit).  They all behaved the same way, and the problem occurs (or not) depending on the version of Guest Additions.

My host OS is Windows 7 64-bit. I also tested using a Slackware Linux host with kernel v3.2.13.  The host OS does not have any effect on the problem.  The console text mouse cursor works in earlier versions of the Guest Additions and does not work in later versions of the Guest Additions.",ErikW
10563,guest addition functions degrade with guest runtime,VirtualBox 4.1.8,Linux,2012-05-14T21:26:15Z,2015-10-26T14:22:30Z,2015-10-26T14:22:30Z,"Hi!

Sorry, but this is going to be a bit vague and probably hard to reproduce, but has happened to me various times, so I guess it is a bug.

I'm running VirtualBox 4.1.8 on Win7 (64 bit). I know this isn't he current version, but I cannot update the setup now and the release notes of newer versions don't indicate a fix to my problem.

Guest OS is Ubuntu 11.4, but I had the same problems with previous versions of Ubuntu too. There's one shared folder (""Temp"") in the VM mounted via fstab:

{{{
Temp		/media/Temp	vboxsf	rw,uid=1000,gid=1000	0	0
}}}


Right after starting the VM almost everything works (bidirectional clipboard, access to files in the shared folder). But even then only root may write to the shared folder, normal users get

{{{
cp: cannot create regular file `/media/Temp/foo': Permission denied
}}}

To keep my working state I take a snapshot from time to time and reset the VM to the last snapshot instead of a shutdown. So the VM runtime is can get quite long (several weeks or month).

After some time clipboard sharing stops to work completely - guest and host use seperate clipboards.

Later the shared folder also degrades and I cannot write files inside the host anymore, even as root I get an error stating that a file of the same name already exists although it doesn't.

A restart of the VM fixes all the strange effects .. for a while. It seems the restart also fixes at least the shared folder issues of a loaded snapshot too!?
",PinkyBrain
10999,extended error 234 when trying to list directory,VirtualBox 4.1.22,Windows,2012-09-28T12:27:24Z,2016-10-16T20:04:08Z,2016-10-16T20:04:08Z,"Running host windows 7 64 bit
running guest win xp 32 bit, dos program foxprox doing a command prompt from within the program and a dir of a mapped drive or shared vbox folder

extended error 234 and no directory listing",itguru2
11290,DirectDraw clipping/refresh bug with XP guest,VirtualBox 4.2.2,Windows,2012-12-14T17:35:17Z,2016-08-17T10:20:58Z,2016-08-17T10:20:58Z,"I'm using VirtualBox 4.2.2. Lubuntu 11.10 x86-64 host, Windows XP Pro SP3 guest.

This issue happens with Guest Additions versions 4.1.14 and 4.2.2. It shows up with the WinUAE Amiga emulator.

When WinUAE is using DirectDraw for its graphics output, dragging the window partly off-screen causes the image to appear near the upper left of the screen. See the attached screenshots. The problem does not happen when WinUAE is set to use Direct3D.

To demonstrate:
- Download an example program, e.g. ftp://ftp.amigascne.org/pub/amiga/Groups/D/DOC/DOC-NoName
- Download the WinUAE installer from http://www.winuae.net/ and run it.
- Run WinUAE. When the setting window opens click Miscellaneous in the treeview. Set Graphics API to DirectDraw.
- Click Floppy drives and then the ""..."" button near the top right of the window. Choose the program you just downloaded.
- Click Start to start the emulation. In a few seconds you should see something in the emulation window.
- Press the middle mouse button to un-capture the mouse and drag the emulation window so it is partly off-screen. Notice that the window contents appear at the top left of the desktop, and the actual emulation window no longer updates.
",Donuts
11338,OS/2 VBOXSERVICE.EXE 4.2.6 not working,VirtualBox 4.2.6,other,2012-12-28T23:46:59Z,2013-03-27T23:13:02Z,2013-03-27T23:13:02Z,The guest additions for os/2 appear to be updated for 4.2.6 however they are not mentioned in the changelog.  When using VBOXSERVICE.EXE in os/2 (4.2.6 r82870 Dec 19 2012 15:02:33) my os/2 guest crashes with a TRAP 000d error.  I reverted VBOXSERVICE to 4.2.2 (r81494 Oct 18) and the guest is working again.,walter380
11475,Shared Folders with OS/2 as guest.,VirtualBox 4.2.6,other,2013-02-09T03:23:38Z,2016-10-29T05:00:20Z,2016-10-29T05:00:20Z,"Shared folders with an OS/2 guest are apparently are not implemented or maybe just broken. This makes for a very awkward process of getting data into and out of the VM in many instances. Please consider fixing or implementing this. I as well as any other OS/2 user would be very glad to test what ever was done. OS/2 in general runs very well in VBox for which I am very thankful. If this issue was fixed it would be a great help.

Thank you for your consideration.",OS2Bud
11640,"vboxsf does not support noatime,nodiratime,discard options",VirtualBox 4.2.10,Linux,2013-03-25T01:30:53Z,2013-03-25T01:30:53Z,2013-03-25T01:30:53Z,"When using a mount (/etc/fstab), for example as follows:

ssd /ssd vboxsf noatime,nodiratime,discard 0 0

And trying to mount, you get:

[roel@localhost /]$ sudo mount -a
unknown mount option `noatime'

Removing the options one by one shows it does not support any:

unknown mount option `nodiratime'
unknown mount option `discard'

Yet, using 'defaults', i.e.:

ssd /ssd vboxsf defaults 0 0

Works fine.

This is very significant, as it does not allow for mounting a SSD with SSD recommended options (noatime,nodiratime,discard).",RoelV
11900,Windows host cannot see / follow symlinks in shared folder from Linux guest,VirtualBox 4.2.12,Linux,2013-06-25T15:36:49Z,2014-04-24T11:14:35Z,2014-04-24T11:14:35Z,"I'm running an ubuntu guest on a windows 7 host. I have shared folders setup and working via a Vagrant file. My shared folder has a bunch of development files in it created using the Ubuntu guest, nearly all of which I can access from the windows host. 

{{{
$ ls -lah                              
total 13                                                                                  
drwxrwxrwx 1 vagrant vagrant 4096 Jun 25 14:06 ./                                         
drwxrwxrwx 1 vagrant vagrant 8192 Jun 24 19:49 ../                                        
lrwxrwxrwx 1 vagrant vagrant    0 Jun 24 19:51 brunch -> ../brunch/bin/brunch*            
lrwxrwxrwx 1 vagrant vagrant    0 Jun 24 19:49 cake -> ../coffee-script/bin/cake*         
lrwxrwxrwx 1 vagrant vagrant    0 Jun 24 19:50 cleancss -> ../clean-css/bin/cleancss*     
lrwxrwxrwx 1 vagrant vagrant    0 Jun 24 19:49 coffee -> ../coffee-script/bin/coffee*     
lrwxrwxrwx 1 vagrant vagrant    0 Jun 24 19:50 express -> ../express/bin/express*         
lrwxrwxrwx 1 vagrant vagrant    0 Jun 24 19:50 grunt -> ../grunt-cli/bin/grunt*           
lrwxrwxrwx 1 vagrant vagrant    0 Jun 24 19:50 jade -> ../jade/bin/jade*                  
lrwxrwxrwx 1 vagrant vagrant    0 Jun 24 19:50 nodemailer -> ../nodemailer/bin/nodemailer*
lrwxrwxrwx 1 vagrant vagrant    0 Jun 24 19:50 stylus -> ../stylus/bin/stylus*            
-rwxrwxrwx 1 vagrant vagrant   20 Jun 25 14:04 test*                                      
lrwxrwxrwx 1 vagrant vagrant    0 Jun 25 14:02 test2 -> test*                             
lrwxrwxrwx 1 vagrant vagrant    0 Jun 25 14:05 test3 -> ../brunch/bin/brunch*             
lrwxrwxrwx 1 vagrant vagrant    0 Jun 24 19:50 uglifyjs -> ../uglify-js/bin/uglifyjs*     
vagrant@mwalters:~/development/clp-web/node_modules/.bin$                                                                                                 
}}}

What's shown above (ls -lah run on Ubuntu guest) - 

1. 'test' file, created on Ubuntu guest is visible on Windows 7 host
2. 'test2' symlink to 'test', created on Ubuntu guest is visible on Windows 7 host
3. 'test3' symlink to file in another directory, created on Ubuntu guest is *not* visible on Windows 7 host (nor are any of the others which follow the same pattern). 

{{{
$ ls -lah                                                                  
ls: brunch: No such file or directory                                      
ls: cake: No such file or directory                                        
ls: cleancss: No such file or directory                                    
ls: coffee: No such file or directory                                      
ls: express: No such file or directory                                     
ls: grunt: No such file or directory                                       
ls: jade: No such file or directory                                        
ls: nodemailer: No such file or directory                                  
ls: stylus: No such file or directory                                      
ls: test3: No such file or directory                                       
ls: uglifyjs: No such file or directory                                    
total 7.0k                                                                 
drwxr-xr-x   15 mwalters Administ     4.0k Jun 25 10:06 ./                 
drwxr-xr-x   37 mwalters Administ     8.0k Jun 24 15:50 ../                
-rwxr-xr-x    1 mwalters Administ       20 Jun 25 10:04 test*              
-rwxr-xr-x    1 mwalters Administ       20 Jun 25 10:04 test2*                                                                             
}}}

What's shown above (ls -lah run on Windows 7 host) - 

Notice none of the files are recognized as symlinks. test2 is a symlink to test and all of the other files, including test3, are symlinks to files in other directories. None of them are registering or followable from the Windows host. 

Here is a copy of my Vagrant file: 

{{{
# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure(""2"") do |config|
  config.vm.box = ""precise32""
  config.vm.box_url = ""removed to allow me to post""

  # Create a forwarded port mapping which allows access to a specific port
  # within the machine from a port on the host machine. In the example below,
  # accessing ""localhost:8080"" will access port 80 on the guest machine.
  config.vm.network :forwarded_port, guest: 9983, host: 9983

  config.vm.hostname = ""#{ENV['USERNAME']}.dev""

  # Create a private network, which allows host-only access to the machine
  # using a specific IP.
  config.vm.network :private_network, ip: ""192.168.33.10""

  # Create a public network, which generally matched to bridged network.
  # Bridged networks make the machine appear as another physical device on
  # your network.
  config.vm.network :public_network

  # Share an additional folder to the guest VM. The first argument is
  # the path on the host to the actual folder. The second argument is
  # the path on the guest to mount the folder. And the optional third
  # argument is a set of non-required options.
  config.vm.synced_folder ""../../"", ""/home/vagrant/development""


  # Provider-specific configuration so you can fine-tune various
  # backing providers for Vagrant. These expose provider-specific options.
  # Example for VirtualBox:
  #
  config.vm.provider :virtualbox do |vb|
  #   # Don't boot with headless mode
  #   vb.gui = true
  #
  #   # Use VBoxManage to customize the VM. For example to change memory:
    vb.customize [""modifyvm"", :id, ""--cpus"", ""8""]
    vb.customize [""modifyvm"", :id, ""--memory"", ""12288"", ""--ioapic"", ""on""]
    vb.customize ['storagectl', :id, '--name', 'SATA Controller', '--hostiocache', 'on' ]
    vb.customize ['setextradata', :id, 'VBoxInternal2/SharedFoldersEnableSymlinksCreate/v-root', '1' ]
    vb.customize ['setextradata', :id, 'VBoxInternal2/SharedFoldersEnableSymlinksCreate/home/vagrant/development', '1' ]
    vb.customize ['setextradata', :id, 'VBoxInternal2/SharedFoldersEnableSymlinksCreate/home/vagrant/development/*', '1' ]
    vb.customize [""modifyvm"", :id, ""--natdnshostresolver1"", ""on""]
    vb.customize [""modifyvm"", :id, ""--natdnsproxy1"", ""on""]
  end

config.vm.provision :puppet do |puppet|
    puppet.manifests_path = ""manifests""
    puppet.manifest_file  = ""init.pp""
  end
end
}}}

Additional info here: https://forums.virtualbox.org/viewtopic.php?f=6&t=56097&p=259861#p259861",mateodelnorte
11947,High I/O on SharedFolders hangs system,VirtualBox 4.2.16,other,2013-07-09T15:52:02Z,2016-08-17T15:05:50Z,2016-08-17T15:05:50Z,"Running a deep file scan (IdentityFinder) within a 32bit Windows XP guest on a Shared Folder is causing multiple VMs to independently hang. Guest OS remains somewhat responsive (right click on start bar provides menu) but Explorer or other applications remain unresponsive. 

Task Manager is still running/updating and shows 0% CPU usage.

I've included virtual box log. Machine went unresponsive at 10 minutes. Resized window at 35 minutes to provide timeline. Host OS shows vmware process as utilizing between 13-40% cpu utilization.

Host OS is Fedora 19 with yum packages ""akmod-VirtualBox Virtualbox"" installed.



",dsiercks
11995,Saving Ubuntu guest in full-screen mode causes guest X session hang when resuming. Windows 8 host.,VirtualBox 4.2.16,Linux,2013-07-27T04:41:12Z,2015-02-11T23:24:07Z,2015-02-11T23:24:07Z,"Host is Windows 8 64-bit, guest is Ubuntu 13.04 64 bit.

Everything works fine including saving state & restoring when the guest is in a normal window.  But if the guest is saved while in full-screen mode, then when the guest is restored it is unresponsive, cursors do not flash, etc.

However the ""hung"" guest does respond to Host-F1 and switches to a VT where you can log and kill the X server, after which normal operation resumes.

So saving or restoring in full-screen-mode breaks something related to sending events to the guest X server.

HOW TO REPRODUCE:


{{{
Start Ubuntu guest
Go to full screen (Host-F)
Put cursor at bottom of screen to get vbox menu, then
Machine->Close-Save Machine State
}}}


Restart the saved VM.  It hangs.

(to recover: Host-F1, log in as root and kill the X server process)

I'll attach two log files (one from the session which ended with a save while in full-screen mode), the other from the restarted VM with the hung X server.",Jim Avera
12106,Include Quiet Mode in VBOXGUEST.SYS,VirtualBox 4.2.18,other,2013-09-12T21:25:43Z,2013-09-12T21:25:43Z,2013-09-12T21:25:43Z,"On the OS/2 Guest Add-ons package there is an OS/2 driver called ""VBOXGUEST.SYS"". 

This driver always shows up this message when you boot up OS/2 and it can not be removed for a clean no-message boot up.  

""VirtualBox Guest Addition Drivers for OS/2 version 1.6.51
Copyright (C)2008 Sun Microsystem, Inc.

My suggestion is to do not show any message on boot. Only show a message if there is an error loading the driver. 

Include the /V (verbose) mode to the driver to show up all the version and copyrights if the user want it. 

There is a suggestion on how to show the messages of OS/2 driver on this wiki:
http://www.edm2.com/index.php/Suggestion_for_OS/2_and_eComstation_Drivers_Arguments",martiniturbide
12167,Security Tab is missing in shared folders,VirtualBox 4.2.18,other,2013-10-08T03:09:04Z,2017-02-13T01:40:27Z,2017-02-13T01:40:27Z,"When you open properties of file in shared folder (via VirtualBox sharing), it's security tab is missing. This produces problems when you want read ACL of that file so applications that need such capabilities (like Visual Studio) get an exception trying to access file placed there. I suggest that files in shared folder will have permissions for all to read or to modify according to the settings of that folder.

I post 2 screenshots: the first of VirtualBox shared folder and the second of folder shared via SMB protocol.",Hopungo
12605,Slow accesses for XP guest shared folders,VirtualBox 4.2.20,Windows,2014-01-13T10:42:10Z,2014-11-27T14:30:31Z,2014-11-27T14:30:31Z,"This problem appears to have a long history (see ""Archaeology"" below).  

'''The symptom:''' XP guest accesses to shared folders at !\\vboxsvr are intermittently stalled, apparently for name resolution.  This happens on both Win7 and CentOS hosts.

'''To replicate:'''
* Fresh install of XP SP3 guest.
* Install Guest Additions
* Add a shared folder - a temp directory with a folder tree (e.g. directories a, b, and c, each with subdirectories 1, 2, and 3) will be convenient.
* In Start -> Run, open a !\\vboxsvr explorer window.  Initial access will stall for 5-10 seconds, after which response is speedy (browse down the folder tree to a/1, b/2, c/3, etc.)
* Doing something else (open a My Computer window) and returning to !\\vboxsvr explorer window will usually result in the next action (e.g. browsing back to directory a/1) being delayed.

'''Affected systems:'''
* VBox 4.1.18 Host: Win 7 64bit Guest: WinXP SP3
* VBox 4.2.20 Host: CentOS 6 64bit Guest: WinXP SP3

'''Unaffected systems:'''
* VBox 4.1.18 Host: Win 7 64bit Guest: Win2K
* VBox 4.2.20 Host: CentOS 6 64bit Guest: Win2K

'''Observations:'''

I have tried each of the following workarounds (both separately and in various combinations).
* Added 255.255.255.255 vboxsvr #PRE to lmhosts; rebooted; '''problem still occurs'''
* Added 127.0.0.1 vboxsvr to hosts; rebooted; '''problem still occurs'''
* Turned off NetBIOS and Windows file sharing (Network Connection -> Properties -> uncheck Client, File Sharing) ; '''problem resolves''' (no stalls, but no Samba access either, of course).
* Turned off all networking (Network Connection -> disable connection) ; '''problem resolves'''
* Disconnected (virtual) network cable via VBox network adapter menu ; '''problem resolves'''
* ipconfig /all shows Node Type is ""Unknown"".  Forced to ""Broadcast"" to match Win2K configuration by setting HLM\SYSTEM\CurrentControlSet\Services\NetBT\Parameters\NodeType = 1.  '''Problem still occurs'''.
* Verified HLM\SYSTEM\CurrentControlSet\Control\NetworkProvider\Order lists VBoxSF.  Although VBoxSF is listed first, netbios broadcasts for vboxsvr still go out when lmhosts is not ""patched"".  Broadcasts do not occur if lmhosts is patched, but access stalls still occur.  Note that Win2K apparently caches the name lookup - Win2K will broadcast on initial access attempt, but never again.  I think XP is retrying the name lookups, leading to the periodic delays.
* My local network does not have any name servers (DNS/WINS).

'''Archaeology:'''

Most of the tickets below have been closed as duplicates of ticket 1728, and relate to speed of file transfers.  Arguably *this* ticket is probably a duplicate of 1728.  I figured I'd try a new ticket since it's been 2 years since 1728 showed any activity, and I have a simpler reproduction method - delays can be observed merely navigating the shared folder's directory tree.

http://www.virtualbox.org/ticket/1728

http://www.virtualbox.org/ticket/2256

http://www.virtualbox.org/ticket/5353

http://www.virtualbox.org/ticket/5599

http://www.virtualbox.org/ticket/6146

http://forums.virtualbox.org/viewtopic.php?f=6&t=56768

http://forums.virtualbox.org/viewtopic.php?p=33519
",shuttlefan
12819,Host fails to read NTFS folder which is mounted to some partition,VirtualBox 4.3.8,Linux,2014-03-13T18:14:42Z,2015-01-27T08:14:56Z,2015-01-27T08:14:56Z,"Steps to reproduce:
* On Windows host, mount some partition (USB drive in my case) to NTFS folder, (say, to `C:\shared\usb`)
* Create new shared folder, ""shared"" = ""C:\shared"".
* Mount the folder in Linux guest.

Result:
* When listing the directory, ""usb"" is shown as symlink.
* When trying to `cd /mnt/shared/usb` the following error occurs:
{{{
-bash: cd: /mnt/shared/usb: Protocol error
}}}
",dmak
13047,Windows guest on linux host is very slow with guest additions,VirtualBox 4.3.12,Windows,2014-05-19T07:57:32Z,2014-11-25T17:20:26Z,2014-11-25T17:20:26Z,"I have installed VBox on an Archlinux x64 host (Manjaro).
The guest is Win 8.1 Update 1 x64. I use a Core2Duo 9500M having hardware virtualisation enabled.
With guest additions installed the guest becomes very slow oftentimes even unresponsive (often taking several seconds to draw a Window.) In the guest's task manager the CPU load is already 20-50% usage when system is shold be idle. It shows the system interrups process with 10-20% usage.
And just having Skype running without conversation for example, causes overall CPU usage of nearly 100%.

Without installing the guest additions the guest seems to be much faster and system interrups cause < 3% usage.",albion
13135,File corruption with shared folders using VB 4.3.12,VirtualBox 4.3.12,Windows,2014-06-20T13:57:44Z,2015-11-24T05:26:13Z,2015-11-24T05:26:13Z,"Virtual Box 4.3.12r93733
Host Mac OS X 10.8.5
Guest Windows Server Data Center 2012 R2 (4.3.12 Guest Additions Installed)
I have a large ZIP file (837MB) in a directory on my host.

To reproduce:
1) Create a shared folder mapped to the directory containing the zip on the host
2) Copy the ZIP to a local guest directory (IMPORTANT)
3) Attempt to unzip the file using windows native tools, Java's jar.exe or 7zip.  
They will each fail with fairly meaningless error message.  
Windows Extract All... says: ""Error 0x80004005: Unspecified error""
Java's jar says: ""java.util.zip.ZipException: invalid stored block lengths""

Note that step #2 is important.  Unziping the file in place from the share seems to work so something is occurring when the file is copied.
I've also confirmed that MD5 hash of the file does indeed change after it is copied from the share.  I used this tool from Microsoft to compute the hash.  http://support.microsoft.com/kb/841290/en-us",kminder
13163,Clipboard errors,VirtualBox 4.3.12,Windows,2014-07-03T12:28:21Z,2017-07-07T17:09:11Z,2017-07-07T17:09:11Z,"Hi, all. I posted my experience with clipboard problems in the Forum as follows:
Hi, we have several troubles with a COM Add In using VSTO technics. What happens: The COM Add In does more then one clipboard operation in one thread (using the copy-paste-commands of the application). It works fine, except if: Virtual Box is running (on the host System where the Add In runs), with Windows Guest System and installed Virtual Box Extensions and with at least one user. Then we get clipboard errors, which show, that after a copy command the clipboard is empty or contains invalid data for the paste command. These errors don't occur, if there is no user on the guest machine or if there is a user, but the Virtual Box extensions are not installed. We feel there is a big bug in the Virtual Box extensions handling the clipboard.
This error occurs only with Virtual Box (not with MS Virtual PC nor with VM Ware nor with TeamViewer Virtualization) and only with at least one user logged on to the guest and only with installed VB Extensions on the guest. 
The shared clipboard in the General Settings is turned off! I don't believe that the error occurs in our MS Office Solutions with VSTO COM Add Ins (I got the error in other add ins, too: clipboard empty or invalid data) because of the mentioned circumstances.",EP
13249,A requested new spin on Ticket#11176 Mouse integration and snap to default button in a guest OS,VirtualBox 4.3.14,Windows,2014-07-29T17:00:21Z,2014-07-29T17:00:21Z,2014-07-29T17:00:21Z,"Please consider adding an option that could be enabled on trusted Windows guests that would allow guest-initiated mouse pointer movements to occur.

Many professionals use the ""Snap to default button"" on Windows hosts, and would like this option available on Windows guests.

If an optional checkbox is addded to VirtualBox Manager:
Settings \ General \ Advanced \ [X] Allow Mouse Pointer Snap
It would help to improve VirtualBox popularity for Windows Guests.

And by making this feature optional, it will not interfere with justifications for not allowing this level of control for all Guests by default.

Thank you for considering.

Original ticket#11176 text follows:

Mouse integration is a great feature, but misses one piece: guest OS can not control position of mouse pointer. This can be easily verified in the Windows XP guest OS. Go to the Control Panel/Mouse, select 'Pointer Parameters' tab and check the 'Snap to default button' checkbox. After this, with mouse integration disabled mouse cursor will jump to the default dialog button (eg, the OK button). It will not however, with mouse integration enabled. This will also cause problems with programs which move mouse cursor programmatically and expect it to actually move. 

Thank you again for considering.
",LanceLance
13440,can't share folders after yum update,VirtualBox 4.3.16,Linux,2014-09-27T03:48:08Z,2014-10-22T16:51:21Z,2014-10-22T16:51:21Z,"Running windows 7 host w/fedora 20 guest.  Setup shared folders and they worked fine for a long time, then they stopped working recently.  When trying to mount the folders, get the error ""/sbin/mount.vboxsf: mounting failed with the error: No such device""  Tried all online suggestions and no luck.  

Eventually narrowed it down to working with fresh Fedora 20 install but the error occurs after a ""yum update"".  

So if I have a VM that's been updated and boot from ""Fedora with Linux 3.11.10-301.fc20.x86_64"", it works fine.  But if booting with the latest, ""Fedora 3.16.3-200.fc20.x86_64) 20 (Heisenbug)"" the shared folders don't work",virtualsomething
13494,Overloaded message loop makes Guest window unresponsive to inputs when guest additions installed,VirtualBox 4.3.16,Windows,2014-10-11T11:20:45Z,2015-10-17T20:33:36Z,2015-10-17T20:33:36Z,"I'm on Ubuntu 12.04 host using LXDE desktop, and the guest is Windows XP. I haven't tested it with other Windows versions like win7. 

My old GDI+ game completely freezes the guest window after some seconds. The only the to recover is simply killing the virtualbox process. It doesn't happen when guest additions are not installed.

I decided to investigate further and wrote the C program that reproduces the problem. (Simply using the Code::Blocks template with some edits).

The normal behavior is when you see the repeated rederawings clicking on the window should immediately bring up a messagebox with the coordinates. Or pressing key should bring up one with the character pressed. '''This happens on native windows, and in VirtualBox without guest additions'''. 

With guest additions, if you run it for some time and click the window, nothing happens. The drawings keep going and you get response after several seconds. 

It looks like the driver becomes overloaded with stuff, rendering the window unresponsive, till it processed all the events.

It's probably worth noting that the hard disk indicator is red when this hanging happen. Maybe it's writing somehing? I'm not sure whether the VM is thrashing or just because the whole GUI was frozen.

Adding several milliseconds of Sleep() into the message loop relieves the problem a bit. But it makes the game very laggy. 

Hopefully this helps reproducing the problem.

Also a note: at least one OpenGL game the OpenArena works fine on VirtualBox too.


{{{
#if defined(UNICODE) && !defined(_UNICODE)
    #define _UNICODE
#elif defined(_UNICODE) && !defined(UNICODE)
    #define UNICODE
#endif

#include <tchar.h>
#include <stdio.h>
#include <windows.h>

/*  Declare Windows procedure  */
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);

/*  Make the class name into a global variable  */
TCHAR szClassName[ ] = _T(""CodeBlocksWindowsApp"");

int WINAPI WinMain (HINSTANCE hThisInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR lpszArgument,
                     int nCmdShow)
{
    HWND hwnd;               /* This is the handle for our window */
    MSG messages;            /* Here messages to the application are saved */
    WNDCLASSEX wincl;        /* Data structure for the windowclass */

    /* The Window structure */
    wincl.hInstance = hThisInstance;
    wincl.lpszClassName = szClassName;
    wincl.lpfnWndProc = WindowProcedure;      /* This function is called by windows */
    wincl.style = CS_DBLCLKS;                 /* Catch double-clicks */
    wincl.cbSize = sizeof (WNDCLASSEX);

    /* Use default icon and mouse-pointer */
    wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
    wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
    wincl.lpszMenuName = NULL;                 /* No menu */
    wincl.cbClsExtra = 0;                      /* No extra bytes after the window class */
    wincl.cbWndExtra = 0;                      /* structure or the window instance */
    /* Use Windows's default colour as the background of the window */
    wincl.hbrBackground = (HBRUSH) COLOR_BACKGROUND;

    /* Register the window class, and if it fails quit the program */
    if (!RegisterClassEx (&wincl))
        return 0;

    /* The class is registered, let's create the program*/
    hwnd = CreateWindowEx (
           0,                   /* Extended possibilites for variation */
           szClassName,         /* Classname */
           _T(""Code::Blocks Template Windows App""),       /* Title Text */
           WS_OVERLAPPEDWINDOW, /* default window */
           CW_USEDEFAULT,       /* Windows decides the position */
           CW_USEDEFAULT,       /* where the window ends up on the screen */
           544,                 /* The programs width */
           375,                 /* and height in pixels */
           HWND_DESKTOP,        /* The window is a child-window to desktop */
           NULL,                /* No menu */
           hThisInstance,       /* Program Instance handler */
           NULL                 /* No Window Creation data */
           );

    /* Make the window visible on the screen */
    ShowWindow (hwnd, nCmdShow);

    /* Run the message loop.*/
    for (;;)
    {
        /* Chew window messages. */
        while (PeekMessage(&messages, NULL, 0, 0, PM_REMOVE))
        {
            TranslateMessage(&messages);
            DispatchMessage(&messages);
        }
        /* Step the game world. (omitted)*/

        /* Schedule redraw in next loop. */
        InvalidateRect(hwnd, NULL, TRUE);
    }

    /* The program return-value is 0 - The value that PostQuitMessage() gave */
    return messages.wParam;
}


/*  This function is called by the Windows function DispatchMessage()  */

LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    PAINTSTRUCT ps;

    switch (message)                  /* handle the messages */
    {
        case WM_PAINT:
            BeginPaint(hwnd, &ps);
                /* Simulate expensive painting operation. */
                for (int i = 0; i < 1000; i++)
                {
                    MoveToEx(ps.hdc, rand() % 300, rand() % 300, NULL);
                    LineTo(ps.hdc, rand() % 300, rand() % 300);
                }
            EndPaint(hwnd, &ps);
        break;
        case WM_DESTROY:
            PostQuitMessage (0);       /* send a WM_QUIT to the message queue */
            break;
        case WM_LBUTTONDOWN:
            {
                WORD x = LOWORD(lParam);
                WORD y = HIWORD(lParam);
                TCHAR str[200];
                _sntprintf(str, 200, ""%d: %d"", x, y);
                MessageBox(hwnd, str, """", MB_OK);
            }
            break;
        case WM_CHAR:
            {
                TCHAR str[50];
                _sntprintf(str, 50, ""%c\n"", (char)wParam);
                MessageBox(hwnd, str, """", MB_OK);
            }
            break;
        default:                      /* for messages that we don't deal with */
            return DefWindowProc (hwnd, message, wParam, lParam);
    }

    return 0;
}
}}}",Calmarius
13528,Windows 10 Tech preview - Reboot at Guest Additions installation with 3D disabled,VirtualBox 4.3.18,Windows,2014-10-18T20:30:40Z,2014-10-20T16:51:39Z,2014-10-20T16:51:39Z,"Instead of showing a specific error, the Virtual machine crash/reboot if  I try to install guest addition 4.3.18.r96516 .  I just activated 2D+3D graphic options of the vm and now the installation complete successfully

",FrankBT
13568,"mount vboxsf won't accept option ""user""",VirtualBox 4.3.18,Linux,2014-10-29T12:30:33Z,2014-11-02T20:32:51Z,2014-11-02T20:32:51Z,"Even though the vbox shared folders can be mounted through mount(8) and a usual /etc/fstab entry can be created, some options accepted by mount won't work for vboxsf, e.g. ""user"" and ""group"".

{{{
juanlu@minted ~ $ tail /etc/fstab
# mint shared folder
mint /media/sf_mint vboxsf defaults,user,uid=1000,gid=999 0 0
juanlu@minted ~ $ mount mint
Only root can mount shared folders from the host.
juanlu@minted ~ $ sudo !!
sudo mount mint
unknown mount option `user'
valid options:
  rw         mount read write (default)
  ro         mount read only
  uid       =<arg> default file owner user id
  gid       =<arg> default file owner group id
  ttl       =<arg> time to live for dentry
  iocharset =<arg> i/o charset (default utf8)
  convertcp =<arg> convert share name from given charset to utf8
  dmode     =<arg> mode of all directories
  fmode     =<arg> mode of all regular files
  umask     =<arg> umask of directories and regular files
  dmask     =<arg> umask of directories
  fmask     =<arg> umask of regular files
}}}

This might be just a non-implemented feature in mount.vboxsf.c. If it's not, then probably a clarification is needed in the user manual that not all mount(8) options are allowed for vboxsf, and in that case it would be nice to have a rationale of why is that.
 ",juanlu001
13613,Update vboxadd and vboxadd-service startup scripts for LFS 7.6,VirtualBox 4.3.18,Linux,2014-11-13T06:29:27Z,2014-11-13T06:29:27Z,2014-11-13T06:29:27Z,"Since /etc/rc.d/init.d/functions is removed in LFS 7.6, the existing vboxadd and vboxadd-service startup scripts will not work.
That means those scripts have to be updated.",hykwok
13620,Inconsistent screen redraw when scrolling in Chromium,VirtualBox 4.3.18,Linux,2014-11-18T13:55:08Z,2015-04-20T08:57:20Z,2015-04-20T08:57:20Z,"When I scroll in Chromium, I get inconsistent screen redraws.

Attached is a PNG that demonstrates the problem. In that case, I scrolled up some. Notice how the banner image shows three times.

Occasionally, when I switch between tabs, portions of both tabs will be interleaved in horizontal stripes.

I can usually fix an inconsistent screen redraw if I take the Chromium window and move it around.

This seems to have started with a 14.04 guest when I upgraded VirtualBox and the guest extensions in September or October. I cannot remember the exact timeline. I installed a fresh copy of 14.10 yesterday (that's where the PNG comes from), and the same problem is happening.

I have 3D acceleration enabled and 128MB video memory. Host is Windows 8.1 x64.

I've also attached console warnings that appear when starting Chromium from the terminal window.",Aren Cambre
13648,VirtualBox 4.3.20 Could Not Initialize GLX,VirtualBox 4.3.20,Linux,2014-11-27T01:15:36Z,2016-01-22T08:37:28Z,2016-01-22T08:37:28Z,"After upgrading from VirtualBox 4.3.12 to 4.3.20, attempting to run a QML application results in the error: ""Could not initialize GLX"". There appears to be a problem with OpenGL in the guest extensions.

------------
System Info:

{{{
Host:
Windows 7 Professional 64-bit SP1
AMD Phenom II N950 Quad-Core
ATI Mobility Radeon HD5650

VirtualBox v4.3.20 r96997
Extension Pack v4.3.20 r96996

Guest:
Xubuntu
lsb_release: Ubuntu 14.04.1 LTS
uname: Linux 3.13.0-40-generic #69-Ubuntu SMP Thu Nov 13 17:53:56 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

Relevant Packages:
mesa-common-dev
libgl1-mesa-dev
libglu1-mesa-dev
}}}


-------
Output:

{{{
$ qmlscene test.qml --resize-to-root
libGL error: pci id for fd 10: 80ee:beef, driver (null)
OpenGL Warning: glFlushVertexArrayRangeNV not found in mesa table
OpenGL Warning: glVertexArrayRangeNV not found in mesa table
OpenGL Warning: glCombinerInputNV not found in mesa table
OpenGL Warning: glCombinerOutputNV not found in mesa table
OpenGL Warning: glCombinerParameterfNV not found in mesa table
OpenGL Warning: glCombinerParameterfvNV not found in mesa table
OpenGL Warning: glCombinerParameteriNV not found in mesa table
OpenGL Warning: glCombinerParameterivNV not found in mesa table
OpenGL Warning: glFinalCombinerInputNV not found in mesa table
OpenGL Warning: glGetCombinerInputParameterfvNV not found in mesa table
OpenGL Warning: glGetCombinerInputParameterivNV not found in mesa table
OpenGL Warning: glGetCombinerOutputParameterfvNV not found in mesa table
OpenGL Warning: glGetCombinerOutputParameterivNV not found in mesa table
OpenGL Warning: glGetFinalCombinerInputParameterfvNV not found in mesa table
OpenGL Warning: glGetFinalCombinerInputParameterivNV not found in mesa table
OpenGL Warning: glDeleteFencesNV not found in mesa table
OpenGL Warning: glFinishFenceNV not found in mesa table
OpenGL Warning: glGenFencesNV not found in mesa table
OpenGL Warning: glGetFenceivNV not found in mesa table
OpenGL Warning: glIsFenceNV not found in mesa table
OpenGL Warning: glSetFenceNV not found in mesa table
OpenGL Warning: glTestFenceNV not found in mesa table
libGL error: core dri or dri2 extension not found
libGL error: failed to load driver: vboxvideo
OpenGL Warning: XGetVisualInfo returned 0 visuals for 0000000001acf250
OpenGL Warning: Retry with 0x8002 returned 0 visuals
OpenGL Warning: XGetVisualInfo returned 0 visuals for 0000000001acf250
OpenGL Warning: Retry with 0x8002 returned 0 visuals
OpenGL Warning: XGetVisualInfo returned 0 visuals for 0000000001acf250
OpenGL Warning: Retry with 0x8002 returned 0 visuals
OpenGL Warning: glXGetFBConfigAttrib for 0000000001acf250, failed to get XVisualInfo
OpenGL Warning: XGetVisualInfo returned 0 visuals for 0000000001acf250
OpenGL Warning: Retry with 0x8002 returned 0 visuals
OpenGL Warning: glXGetFBConfigAttrib for 0000000001acf250, failed to get XVisualInfo
OpenGL Warning: XGetVisualInfo returned 0 visuals for 0000000001acf250
OpenGL Warning: Retry with 0x8002 returned 0 visuals
OpenGL Warning: glXGetFBConfigAttrib for 0000000001acf250, failed to get XVisualInfo
OpenGL Warning: XGetVisualInfo returned 0 visuals for 0000000001acf250
OpenGL Warning: Retry with 0x8002 returned 0 visuals
OpenGL Warning: glXGetFBConfigAttrib for 0000000001acf250, failed to get XVisualInfo
OpenGL Warning: XGetVisualInfo returned 0 visuals for 0000000001acf250
OpenGL Warning: Retry with 0x8002 returned 0 visuals
OpenGL Warning: glXGetFBConfigAttrib for 0000000001acf250, failed to get XVisualInfo
OpenGL Warning: XGetVisualInfo returned 0 visuals for 0000000001acf250
OpenGL Warning: Retry with 0x8002 returned 0 visuals
OpenGL Warning: glXGetFBConfigAttrib for 0000000001acf250, failed to get XVisualInfo
OpenGL Warning: XGetVisualInfo returned 0 visuals for 0000000001acf250
OpenGL Warning: Retry with 0x8002 returned 0 visuals
OpenGL Warning: glXGetFBConfigAttrib for 0000000001acf250, failed to get XVisualInfo
OpenGL Warning: XGetVisualInfo returned 0 visuals for 0000000001acf250
OpenGL Warning: Retry with 0x8002 returned 0 visuals
OpenGL Warning: glXGetFBConfigAttrib for 0000000001acf250, failed to get XVisualInfo
OpenGL Warning: XGetVisualInfo returned 0 visuals for 0000000001acf250
OpenGL Warning: Retry with 0x8002 returned 0 visuals
Could not initialize GLX
Aborted (core dumped)
}}}


------------
Sample Code:

{{{
import QtQuick 2.2
 
Rectangle {
  width: 640
  height: 480
  color: 'black'
}

}}}

------------
Qt Download:
http://www.qt.io/download-open-source/",amclain
13657,Virtual Box 4.3.20 Linux Guest Addition slow a Win64 guest down,VirtualBox 4.3.20,Windows,2014-11-29T05:19:34Z,2014-11-29T05:19:34Z,2014-11-29T05:19:34Z,"I follow my post about the problems of the graphic driver on Windows guest to advise that finally the new VirtualBox 4.3.20 Linux Guest Addition is buggy. Installed on a Windows 7 64bit guest the system
slow completely down becoming hardly usable.

My configuration:

Laptop i74500U, 8gb + external monitor 1920x1080
Host: Fedora 20
Guest: Windows 7 64bit SP1 and recents updates

At the moment I downgraded to version 4.3.18, and all is magically back running.",par7133
13664,Guest additions failed after upgrading to 4.3.20 on ubuntu 14.04.1 LTS guest / W7 host,VirtualBox 4.3.20,Linux,2014-12-02T13:40:44Z,2014-12-05T11:58:22Z,2014-12-05T11:58:22Z,"I upgraded my host to 4.3.20 and also the additions into all my existing and running 4.3.18 VM's.
I didn't see anything special during the upgrade.
I noticed the cut/paste with the host not working on a desktop install.
I got to the boot.log and noticed the additions failed (modprobe vboxguest failed).
I noticed stange characters in voboxadd-install.log at the end of the make statement.
Seem to me something went wrong here !
",micwic
13704,No Window Decorations in Zorin 9 after Guest Additions - VirtualBox 4.3.20,VirtualBox 4.3.20,Linux,2014-12-20T05:00:26Z,2015-01-13T02:43:15Z,2015-01-13T02:43:15Z,"After Installing Zorin 9 32 bit core (3D Acceleration Enabled) I installed VirtualBox Guest Addtions as follows:

In Termainal ran:

sudo apt-get install build-essential linux-headers-$(uname -r) dkms

Then from VirtualBox Menu selected Devices - Insert Guest Additions CD image... And ran it.
After I rebooted all Window Decorations were missing (Minimize Maximize/Restore and Close buttons) I tried everything in Zorin but found that it happened after I installed Guest Additions from VirtualBox.

The only fix was to install Guest Additions from terminal in Zorin using the following:

sudo apt-get update

sudo apt-get install virtualbox-guest-x11

and choose Y to overwrite

I rebooted and my Window Decorations Were Back.

I think the problem is with 4.3.20 Guest Addtions CD image",FutureAlex
13721,Machine Shared Folders and Repeatable Serial Numbers (Win),VirtualBox 4.3.20,Linux,2014-12-28T22:47:15Z,2014-12-28T22:47:15Z,2014-12-28T22:47:15Z,"Ubuntu 14.04.01 LTS With VBox 4.3.20

A windows Guest program (MediaMonkey) makes use of the ""Serial Number"" scheme assigned to drives in windows to build the database of files.  After reboot, the Serial Number reported to the Guest changes, causing issues for the Guest program to link up the mapped drive to it's database representing it.

This seems to be new behaviour when I upgraded to 4.3.20, prior to this the serial numbers would not change.  May I suggest that the serial number reported to the Guest OS be calculated from the host's Path so that it remains constant as long as the host's path configuration is constant?",longj
13727,can't run a program with Transient Folders with Windows 10 Technical Preview Build 9841,VirtualBox 4.3.20,Windows,2015-01-03T01:03:45Z,2015-01-03T01:03:45Z,2015-01-03T01:03:45Z,"I am using the modern.IE Windows 10 with Internet Explorer 11 VirtualBox download.

I am using VirtualBox 4.3.20 r96996 on Fedora 20 x86_64.

I updated Windows 10 with the available Windows Updates.

I installed the VirtualBox Guest Additions for 4.3.20.

I changed a few of the settings as they come from Microsoft (modern.IE):

1) Chipset -> ICH9
2) Enable I/O APIC
3) IDE -> ICH6
4) switch the HD to the SATA controller
  a) SATA is set to AHCI
  b) enable Use Host I/O Cache

Once the guest is booted, I go to Devices -> Shared Folders Settings...

I add a Transient Folders that maps to my local (ext4) Linux filesystem. A ""Downloads"" directory in my home directory.

I then ""browse"" to \\VBOXSVR\Downloads in Windows Explorer.

I get the file listing.

I doulbe-click on an installer program for a PDF Viewer.

I get an error:
""ShellExecuteEX failed; code 1.
Incorrect function.""

If I copy the file from \\VBOXSVR\Downloads to a local guest directory, it runs fine.

But I have ran this same installer the same way with all of the other modern.IE VirtualBox images, i.e. running the installer from the \\VBOXSVR\Downloads share works on all the other modern.IE images but Windows 10 w/IE 11.",allenatdecisiv
13779,vobxsf breaks on long paths (> 260) with Windows host,VirtualBox 4.3.20,Linux,2015-01-22T21:00:44Z,2015-01-22T21:00:44Z,2015-01-22T21:00:44Z,"Linux guest (Ubuntu 14.10), Windows (8.1) host.

When using shared folders, if the path length of a file is greater than 260, the file doesn't appear correctly in the guest. Note that the problem appears to be related to the path length in the host (Windows), rather than the path length in the mounted filesystem in the guest.

Here is an example of the problem:

{{{

$ ls -l
ls: cannot access 22-20131023143021.zip: No such file or directory
ls: cannot access properties.xml: No such file or directory
total 4
?????????? ? ?   ?      ?            ? 22-20131023143021.zip
-rwxr-xr-x 1 abc abc 3819 Jan 20 10:26 content.txt
?????????? ? ?   ?      ?            ? properties.xml

}}}

In the host, the length of the path (in the host fs) of context.txt is 258. It is readable in the guest (Linux). The other two files have a path length > 260 and are not accessible
",__cc__
13798,Junctions to host,VirtualBox 4.3.20,Windows,2015-01-29T09:42:36Z,2015-01-29T09:42:36Z,2015-01-29T09:42:36Z,"Hello

I don't know if it is a bug or a technical restriction.
I tried to make a link (junction) to a folder from win 8.1 (guest) to my windows 7 (host).
My idea was, instead to add a drive to an UNC Path (\\vboxsrv\hostshare), I make a link to this folder.
But when I access to this folder (double click in explorer), folling message appears (see attachment).

What do you this?
Should this work or isn't possible to do this?

Thanks",Michael
13881,Login screen not full screen on Oracle Linux 5,VirtualBox 4.3.22,Linux,2015-02-22T21:35:48Z,2015-02-22T22:12:22Z,2015-02-22T22:12:22Z,"Since upgrading to 4.3.22 the login screen on Oracle Linux 5
fails to go into full screen. However, when logging-in to user
accounts, the screen does go full.

I went back one version to 4.3.20 and all screens are in full.

Forum discussion with log file.
https://forums.virtualbox.org/viewtopic.php?f=8&t=66245
",ASGR
13930,"Shared folders: ""umount -f"" required",VirtualBox 4.3.24,Linux,2015-03-06T12:53:56Z,2015-03-06T12:53:56Z,2015-03-06T12:53:56Z,"Host: openSUSE 13.1 (64bit)
Guest: openSUSE 13.2 (64bit)",robert spitzenpfeil
13962,"VBoxClient: Failed to set graphics capability, rc=VERR_NOT_SUPPORTED",VirtualBox 4.3.26,Linux,2015-03-16T23:23:10Z,2015-05-19T09:30:15Z,2015-05-19T09:30:15Z,"Host is Windows 7 Pro 64-bit; guest is openSUSE 13.2 32-bit. Previously functioning correctly with this host and this VM. VM display is no longer using custom dimensions, but preset 4:3-aspect dimensions seem to work. Upon logging in to account in guest OS, I receive the following two errors:

* vBoxClient: Failed to set graphics capability, rc=VERR_NOT_SUPPORTED
* vBoxClient: Initialising service: VERR_NOT_SUPPORTED

The background on this is that I was running VirtualBox 4.3.20 (I think) until this morning. After being prompted about a new version (4.3.24) I decided to upgrade, including updating the Guest Additions. (Oops.) If I remember right, this problem appeared on the first boot after the Guest Additions upgrade. I then tried 4.3.25 (not seeing that .26 was already available), with the matching(?) Guest Additions, and the behavior was the same. I then installed 4.3.26 and the matching Guest Additions, and the behavior is still the same.

While I can use preset sizes, they are all 4:3 and are either significantly smaller than what I want to use or are too large vertically, imposing scrolling (not ideal).

I'm assuming the 'component' is 'guest additions' but I'm not sure that's correct.",Crenel
13968,Can't drag to select text in Google Chrome on Linux Guest,VirtualBox 4.3.26,Linux,2015-03-18T15:57:25Z,2015-03-30T23:33:32Z,2015-03-30T23:33:32Z,"I am unable to drag to select text in Google Chrome on a Linux Guest.

There is currently a thread on chromium at code.google.com for this.  A common factor is when running in VirtualBox - https://code.google.com/p/chromium/issues/detail?id=456222 .  Note: Their title for the bug is missleading and they are lumping the above description into that same bug report.

By drag to select text I mean: mouse down on some text, drag mouse to highlight some text, then mouse up.

I can drag to select text in Firefox with no problems.

My setup:
Host OS: Windows 8.1 Pro,
VirtualBox:  4.3.26 r98988 with Guest additions installed,
Virtual Machine OS: XUbuntu 14.04 last updated 3/17/2015,
Chrome: 41.0.2272.89 (64-bit)

On the code.google.com report, people have seen the issue with host OS of Mac OS X.  One report mentioned downgrading chrome fixed it.  Another mentioned uninstalling Guest Additions fixed it.",Scott H
13973,Win 10 x64 guest with Guest Additions crashed host xserver,VirtualBox 4.3.26,Windows,2015-03-21T15:10:35Z,2015-03-29T09:02:57Z,2015-03-29T09:02:57Z,"Host:
Linux Mint 17.1 x64.
X.Org v1:7.7+1ubuntu8.

Guest:
Windows 10 x64 Technical Preview 9926.

What I did:
1) Installed Win 10x64 English.
2) Installed Guest additions and asked to restart.
3) Tried to login to windows after the restart. Host froze and after ~1 min, X crashed. Attached pic shows what I see on tty7 (X tty after crash).

I'm guessing that something is wrong with the guest additions.",Tharbad
13986,Shared folder accessible after removed from list of shared folders,VirtualBox 4.3.26,all,2015-03-25T16:00:08Z,2015-03-25T16:00:08Z,2015-03-25T16:00:08Z,"When removing a 'permanent' shared folder while it is mounted, it is removed from the list of shared folders but it's still fully accessible in the VM. There is a pop up warning that this will result in 'broken shared folder', which only offers to click 'OK'. The folder is even accessible after rebooting the guest system and host system. Tested this with Linux and Windows guest systems.

Steps to reproduce:
1. Add shared folder in shared folder settings, check 'Make Permanent'
2. Mount shared folder in guest system
3. Remove shared folder in shared folder settings",A_Dombeck
14060,Mouse disappears when over active window when typing in WinXP Guest,VirtualBox 4.3.26,Windows,2015-04-20T15:44:58Z,2015-04-20T15:44:58Z,2015-04-20T15:44:58Z,"Using a windows 7 pro host running virtualbox 4.3.26 running a windows xp guest os in fullscreen mode. Due to an antiquated management system, resolution on the monitor being used for virtualbox is 800x600, though I don't think this matters. To replicate the problem, open notepad (or any program really), position the mouse over the notepad window and start typing. the mouse dissapears until you move it. Now move the mouse outside the notepad window and type - the mouse remains visible the entire time. I've reproduced on multiple computers, hosts, guests, and monitors. To me this is trivial, but to several users this is major as they ""lose"" the mouse and have to ""refind"" it all day long.",Keebs
14123,X11 additions: no EDID detection any more,VirtualBox 4.3.28,X11,2015-05-16T14:25:16Z,2015-05-18T12:54:34Z,2015-05-18T12:54:34Z,"With release 4.3.28 the X11 additions have rendered EDID detection dysfunctional. As a result, Xorg comes up with the default resolution of 1024x768 instead of sizing according to the (virtual) screen size.

Attached is a unified diff of Xorg.0.log, comparing 4.3.26 and 4.3.28 guest additions. xorg.conf is identical.",hmo
14141,vb guest additions corrupts win 10 guest,VirtualBox 4.3.28,Windows,2015-05-21T03:28:12Z,2015-05-22T10:06:54Z,2015-05-22T10:06:54Z,"when attempting to load vb guest additions on a windows 10 64 bit guest with a windows 8.1 64 bit host vitalization enabled guest initially loads fine insert guest additions CD within guest then attempt to run CD clicking through with default settings guest additions will start to load drivers until it gets to the WDDM video driver can take up to a minute to Begin to load this driver then the screen will began to pixalate and artifact and then the screen will go blank and show a black screen with a white or grey box in the middle then VM will freeze the only way to exit is by red X attempts to restart will show widows loading screen then show blank screen again you are forced to force close only fix is to restore to previous snap shot a use VM without guest additions installed
this problem has existed in all versions of virtual box since window 10 tech preview was initially released",bugger
14169,vboxsf: files with illegal (:) characters truncated on host's NTFS shared folder / results in data loss,VirtualBox 4.3.28,Linux,2015-06-03T06:50:04Z,2015-06-03T06:50:04Z,2015-06-03T06:50:04Z,"Moving a file from a Linux guest filesystem that is tolerant of e.g. the colon character (:) in a filename, to a Windows-hosted NTFS filesystem using vboxsf results in truncation ('''DATA LOSS''') and odd naming behavior.

== Steps to reproduce: ==

1. Create a file on a Linux filesystem in a guest; e.g.
{{{
# dd if=/dev/random of='/tmp/1mega:byte' bs=1M count=1
}}}

2. Mount NTFS shared folder:
{{{
# mount -t vboxsf SHARE /mnt
}}}

3. Move file to vboxsf shared filesystem
{{{
# mv '/tmp/1mega:byte' /mnt
}}}

== RESULT: ==
a file in /mnt of zero size and truncated filename

{{{
# du /mnt/1mega
0       /mnt/1mega

# du '/tmp/1mega:byte'
du: cannot access '/tmp/1mega:byte': no such file or directory
}}}

== EXPECTED RESULT: ==
An error that does not result in the truncation of the /tmp/1mega:byte file in the above example OR a renaming of the file in /mnt, along with preservation of the contents of the file.",baitisj
14240,Oracle Linux 6.6 wont start on init 5 after install guest additions,VirtualBox 4.3.28,Linux,2015-07-04T14:12:51Z,2015-07-20T18:41:04Z,2015-07-20T18:41:04Z,"Recently we upgrade our Oracle Linux 6.4 to Oracle Linux 6.6. Upgrade was fine. We were able to connect with no issues on Linux guest.

Then we try to upgrade the guest additions, in order to use mouse integration. Guest additions was installed successfully. Then we reboot the Linux guest. After this, we are not able anymore to use GUI to start the Linux. We are able to change the init to 3 and start the Linux, but when we use init 5, the Linux just hangs. If we deinstall the guest addition, then we can install Linux in GUI mode.

We are using Windows7 as host, and Oracle Linux 6.6 as guest. Running latest Virtual Box version, 4.3.28 r 100389. We did not find nothing in messages and dmesg output.",Antonio Cesar Rosa
14251,Ubuntu 14.04 guest additions breaks touchscreen cursor,VirtualBox 4.3.28,Linux,2015-07-09T08:19:47Z,2015-10-05T07:30:04Z,2015-10-05T07:30:04Z,"Hardware: Microsoft surface Pro 3
VirtualBox 4.3.28 
Guest Additions Installed
Host : Ubuntu 14.04
Guest : Ubuntu 14.04

Hello,

After installation of the Guest Additions on the Linux guest, the Touchscreen does not work properly in Guest OS (Ubuntu 14.04).
The mouse works fine I get the cursor but I cannot control the cursor position with Touchscreen, I have already tried to calibrate the Touchscreen (xinput, calibrate Touchscreen…) but it seems like having no effects.

For information, Without the guest addition there is no problem of cursor position, I get the good positions of the Touchscreen cursor but the click doesn’t work, and with the Guest additions installed I lost the positions of the Touchscreen cursor but the click still works.

Can someone help with this issue ?
",drdr_skilled
14275,Error with USB 3.0 devices on VirtualBox 5.0,VirtualBox 5.0.0,all,2015-07-14T06:11:13Z,2020-08-19T09:10:11Z,2020-08-19T09:10:11Z,"When I try to attach a device (USB 3.0) I got this message:

VirtualBox Error
Failed to attach the USB device Ralink 802.11 n WAN [0101] to the virtual machine ...
Details
USB device 'Ralink 802.11 n WLAN' with UUID ... Is busy with a previous request. Please try again later.


Result Code: 
E_INVALIDARG (0x80070057)
Component: 
HostUSBDeviceWrap
Interface: 
IHostUSBDevice {c19073dd-cc7b-431b-98b2-951fda8eab89}
Callee: 
IConsole {872da645-4a9b-1727-bee2-5585105b9eed}


Then I try changing to USB 2.0, but the error continue.

My HOST is DELL Inspiron 17r i7 with OS Windows 8.1 64 bits with 16 GB RAM, 1 TB HD (400 GB free).

I got the same error using with Existents VMs, one OS Win XP SP3 and  the second with Debian. ",Xopxe
14289,Drag and drop failing from vm to host,VirtualBox 5.0.0,Windows,2015-07-17T05:58:56Z,2015-07-28T09:31:39Z,2015-07-28T09:31:39Z,"With latest Virtualbox 5.0 r101573 and updated guest additions, Host Win7, Guest XP, I'm able to drop files from host to vm but not the opposite.

I get a ""Drag and drop error from guest (VERR_INVALID_PARAMETER)."" followed by VBOX_E_IPRT_ERROR (0x80BB0005), component GuestWrap, interface IGuest {13a11514-402e-022e-6180-c3944de3f9c8}
",ctrl
14314,Allow copying & pasting files between host and guest,VirtualBox 5.0.0,all,2015-07-21T19:04:22Z,2015-07-21T19:04:22Z,2015-07-21T19:04:22Z,"Now that drag-and-drop of files is supported between host and guest, it would be nice if in addition to that you could copy the files (by selecting, right-clicking and choosing Copy from the context menu) on the host/in the VM, and then paste them in the VM/on the host.",Jernej Simončič
14349,Important Bug in Unscaled HiDPI Support on Windows8.1/10 Guest,VirtualBox 5.0.0,Windows,2015-07-30T07:39:16Z,2018-10-24T19:41:33Z,2018-10-24T19:41:33Z,"VirtualBox Version: 5.0 r101573(official release version)[[BR]]
Host Version: OS X 10.10.3 with MacBook 12`(Retina HiDPI 1280*800 default setting)[[BR]]
Guest Version: Windows 8.1 / Windows 10 '''but not''' Windows 8[[BR]]
[[BR]]


'''What's wrong:'''[[BR]]

After installed VirtualBox GuestAddition(with build-in version or  5.0.0 RC1,RC2,RC3 or whatever the latest 5.0.1 test version),the Unscaled HiDPI Support was broken.The entire monitor image distortion where the mouse pointer are.Look at the screenshot(which means what I see from screen).
[[BR]]

What I see:[[BR]]

[[Image(http://img.hb.aicdn.com/732c6e18a2fd38e4f46b93fd678c9bb0dbfa64849196d-iV9kkv_fw658)]]
[[BR]]
But at the same time ,use the '''build-in''' screenshot(which means use the VBox toolbar option),everything '''looks''' OK.

[[BR]]
What VBox screenshot show:[[BR]]
[[Image(http://img.hb.aicdn.com/72dbce851d5a0d23713712e204d933a1a420ed2910c78a-UnofOO_fw658)]]
[[BR]]

'''What I do:'''[[BR]]

After installed the older GuestAddtion(VBoxGuestAdditions_5.0.0_BETA4,link here: [http://download.virtualbox.org/virtualbox/5.0.0_BETA4/VBoxGuestAdditions_5.0.0_BETA4.iso])[[BR]]
it works OK! But this GuestAddition may cause WPF-Application crash(include VS2015 or some Metro Apps),and the latest version GuestAddtion(VBoxGuestAdditions_5.0.1-101689.iso) also have this bug.So there are no way to keep both useable and Retina support...Therefore I think maybe some commits after that '''BETA4''' reinsert this bug.....
[[BR]]

'''What I guess:'''[[BR]]

Windows 8.1/10 use the new DPI-Aware API([https://msdn.microsoft.com/en-us/library/windows/desktop/dn469266%28v=vs.85%29.aspx?f=255&MSPPError=-2147217396])[[BR]]
which may behave differently from Windows 8.[[BR]]
So this may be fixed by find the bug commit or add some special judgement code? I don't sure this may happen only in OS X Guest or All platforms.But i'm hopefully to fix this..
[[BR]]

'''Attach are here.Include the VBox Guest and Host.'''",DreamPiggy
14403,Symlinks are created incorrectly on shared directories,VirtualBox 5.0.0,Linux,2015-08-06T08:59:44Z,2015-08-26T08:04:54Z,2015-08-26T08:04:54Z,"I have a trusted environment for development and I have activated symlink support for shared folders as desribed here: https://www.virtualbox.org/ticket/10085

This solution worked great so far, however since VirtualBox 5 (in combination with Win 10 host), the creation is incorrect.

If I create a symlink on a shared folder with the command

{{{
ln -s /media/sf_data/file.js /media/sf_data/test.js
}}}

The symlink is created but using readlink, I can see that the created path is incorrect:

{{{
\media\sf_data\test.js
}}}

The backslash should be replaced by a slash.

If I create a symlink outside the shared folder, everything is correct. Also if I create a symlink pointing to a file in a shared folder. However if I create a symlink within a shared folder to a file outside the shared folder, the bug exists.",MathiasB
14422,"Video playback in Windows guest badly compromised, as seen in Chrome and Firefox (but not VLC Video player!)",VirtualBox 5.0.0,Windows,2015-08-10T10:28:02Z,2015-08-10T11:13:56Z,2015-08-10T11:13:56Z,"Environment is:

Machine: Thinkpad Yoga laptop with I7-4600U processor and Intel HD Graphics 4400.

Host: Debian 8.0 AMD64 latest (XFCE4 window manager, though should have no effect)

Guest: Windows 8.1 64bit pro , with 2D and 3D acceleration enabled in VirtualBox.

VirtualBox: 5.0

Installed the ""guest additions"" in the guest.

Problem description:


(A)

Playing any YouTube video (e.g. https://www.youtube.com/watch?v=1Y0kX7dfGKU ), in any resolution (even 144px!),

 * lags so bad that viewing is unbearable,

 * very clear vertical sync problem (i.e. half new frame on upper part of screen, half old frame on lower part of screen), and

 * the audio output is stuttering (indicating CPU overuse).

So it looks like video presentation is unaccelerated!


(B)
Installing VLC player and making it use the ""Direct2D video output"" rendering backend, produces *excellent* video playback though!

If I only knew how to switch the web browsers into this video output mode!

(There is a slight vertical sync but that's fine.)


(B.2)
In VLC, using the ""DirectX"" backend shows a black window though!

(B.3)
In VLC, using the ""Direct3D"" or ""OpenGL"" backend crashes VLC though - it just exits and there's no crash report dialog box or alike!

(B.4)
In VLC, using the ""Windows GDI"" backend produces the same video display experience as in (A), i.e. stuttering video and audio - this indicates that (A) is made completely without acceleration?

(B.5)
In VLC, using the ""OpenGL (experimental)"" backend gives no output.

(C)
The video in (A) was HTML5 video playback. Also trying Flash video playback on http://www.adobe.com/devnet/flash/articles/vidtemplate-engage-with-flash.html gives some kind of stuttering in the video and audio playback, while not nearly as bad as in (A), it's still very laggy.


",mik_
14424,Shared folder seems to cache old file content for the guest after editing host files,VirtualBox 5.0.0,Linux,2015-08-10T13:39:45Z,2015-12-08T17:42:12Z,2015-12-08T17:42:12Z,"I have VirtualBox 5.0.0 running on a Windows 7 SP1 x64 host, with an Ubuntu MATE 15.04 Linux as guest.

To exchange script files in development, I mounted a share manually to a shared folder (""sudo mount -t vboxsf {sharename} {targetname}"", because I did not know where to look for the auto-mounted share), where I copied files to in the hosting Windows, and copied files out of the share into a local directory in the guest Linux.

I found that the script files contained some bugs, which I fixed using Windows tools I have more experience with, which reduced the size of some files (e.g. converting CRLF line breaks to LF only, and deleting some text content).

Then I copied the files with the same name and location in the guest Linux out of the share and into the local directory again, overwriting the old versions of these files. So I thought. But I had to discover that the scripts still contained the buggy parts. And on top, the size was now reduced to the new file size, means, a part of the last script line was truncated now.

The only reliable way to edit the files inside the guest Linux was to empty the files, save with 0 bytes, close, re-open (in gedit or similar fork), then copy the text in a Windows text editor in the host, and paste the text into the Linux text editor via shared clipboard in the guest.",LigH
14463,Symlinks in shared folders don't work after upgrading to 5.0.2,VirtualBox 5.0.2,Linux,2015-08-17T19:39:47Z,2015-08-20T20:35:47Z,2015-08-20T20:35:47Z,"I'm running CentOS 7 as a guest on a Windows 10 host machine. When using 5.0.0 or the test build, 5.0.1, symlinks work fine but once I upgraded to 5.0.2, they stopped working.

The symlink is relative to 2 directories up and was created in Windows 10 as follows:
mklink /D rpclib ..\..\node-rpclib

I tried downgrading the Guest Additions from 5.0.2 to 5.0.0 and that didn't fix the problem so it seems related to the VirtualBox 5.0.2 program itself since after downgrading to 5.0.0 it went back to working

Here's the VBox.log from 5.0.0: http://gobin.io/mTII
Here's the VBox.log from 5.0.2: http://gobin.io/ZJuK

Let me know if you need any more information.",fastest963
14464,dwFileAttributes Incorrectly Reports FILE_ATTRIBUTE_REPARSE_POINT,VirtualBox 5.0.2,Windows,2015-08-17T19:54:27Z,2015-08-17T19:54:27Z,2015-08-17T19:54:27Z,"With a Windows guest running within a Windows host, executing the FindFirstFile Win32 API function on the guest returns the incorrect dwFileAttributes with FILE_ATTRIBUTE_REPARSE_POINT for symlinks on the vboxsf.

With symlinks on Linux & Mac hosts, FILE_ATTRIBUTE_REPARSE_POINT is set to false.

With symlinks on Windows hosts, FILE_ATTRIBUTE_REPARSE_POINT is set to true.

FILE_ATTRIBUTE_REPARSE_POINT should be set to false for all vboxsf files/folders, because being a symlink should only be relevant to the host, and the information should be hidden to the guest.

This is causing us some issues doing PHP development involving symlinked folders, because PHP likes to try and follow the reparse points to convert relative paths to canonical paths.  It attempts to retrieve the reparse point info to conver to the canonical path, then fails.


To reproduce the issue:

On the Windows host, create a folder at c:\test

Create a subdirectory at c:\test\myDir

Create a symlink:

{{{
mklink /D c:\test\myLink c:\test\myDir
}}}

Create a VirtualBox shared folder pointing to c:\test , and mount it to X: within the guest.

Run the attached Python script:

{{{
python find_data.py X:\myLink
}}}

On the Windows host, this outputs:

{{{
Target file is X:\myLink
Found file: myLink
Reparse point: 1024
Attributes: 1040
}}}

On a Linux/Max host, this outputs:

{{{
Target file is X:\myLink
Found file: myLink
Reparse point: 0
Attributes: 16
}}}",Matt Hopkins
14474,start VBoxClient inside virtualbox guest only,VirtualBox 5.0.2,Linux,2015-08-19T10:44:18Z,2016-01-28T14:48:42Z,2016-01-28T14:48:42Z,"The guest additions can be installed on systems that do not necessarily
start as a virtualbox guest, for example (but not limited to) on live
media (bootable CD/USB, PXE, ...).
Check whether or not we can detect virtualization, exit gracefully if we
detect non virtualbox system.",Christian Hesse
14495,Guest crash when drag and drop file into it on Linux host,VirtualBox 5.0.2,all,2015-08-25T12:00:59Z,2015-08-27T09:14:29Z,2015-08-27T09:14:29Z,"When I drag a file to a Windows XP guest, the virtual machine crash and state change to ""Aborted"". 
Tried Linux Mint guest, same problem. 
",FiveYellowMice
14518,Can't install Guest Additions in Windows 10 guest under Windows 8.1,VirtualBox 5.0.2,Windows,2015-08-29T15:44:24Z,2015-09-01T12:50:37Z,2015-09-01T12:50:37Z,"I have never been able to install the Guest Additions ever since I first tried the Technical Preview of Windows 10 and VirtualBox 4.28 or 4.30.  It has always failed when installing the WDDM driver.

This is the case with the current VirtualBox test build 5.0.3r102322 and its Guest Additions 5.0.3.102316.

I attach the machine log and a screen shot of the Guest Additions installation.  As the machine is unusable after the Guest Additions intended installation, I was only able to get its installation log by attaching the virtual disk to another Windows 7 VM.  However, it doesn't show any errors.

I did a machine reset but, on reboot, I still had a blank screen and had to ""power it off"".  I restored the machine to a saved VBox snapshot in order to be able to use it.
",c273
14537,Linux grsecurity guest kernel will not mount shared folders,VirtualBox 5.0.2,Linux,2015-09-03T15:44:23Z,2015-09-03T15:44:23Z,2015-09-03T15:44:23Z,"My guest is an Arch Linux 64-bit VM running kernel 4.1.6.201508230818-1-grsec (latest from official Arch repos as of this report). Since installing the grsecurity kernel, mount.vboxsf will fail with a Protocol error. The following is logged to dmesg when attempting a mount:

{{{
VbglR0HGCMInternalCall: vbglR0HGCMInternalPreprocessCall failed. rc=-5
VBOXGUEST_IOCTL_HGCM_CALL: 64 Failed. rc=-5.
sf_read_super_aux err=-71
VbglR0HGCMInternalCall: vbglR0HGCMInternalPreprocessCall failed. rc=-5
VBOXGUEST_IOCTL_HGCM_CALL: 64 Failed. rc=-5.
sf_read_super_aux err=-71
VbglR0HGCMInternalCall: vbglR0HGCMInternalPreprocessCall failed. rc=-5
VBOXGUEST_IOCTL_HGCM_CALL: 64 Failed. rc=-5.
sf_read_super_aux err=-71
}}}",kballen
14540,No files for DOS applications in VBox shared folder,VirtualBox 5.0.2,Windows,2015-09-04T09:14:48Z,2015-09-04T09:14:48Z,2015-09-04T09:14:48Z,"A DOS application (Foxpro, XtreeGold) can't read list of files in a shared folder. Windows app can see all files. This problem is properly described in https://www.virtualbox.org/ticket/8551 - but there is no solution.

Host (32 bite): Windows 8, Windows 10
Guest (32 bite): Win XP",DanielR
14548,Add VirtIO drivers for Windows to guest additions image,VirtualBox 5.0.2,Windows,2015-09-06T13:24:46Z,2015-09-06T13:24:46Z,2015-09-06T13:24:46Z,"User need to manually install VirtIO drivers on Windows guests using drivers from [http://www.linux-kvm.org/page/WindowsGuestDrivers/Download_Drivers Linux-KVM.org driver download page] or prebuilt driver ISO from [https://fedoraproject.org/wiki/Windows_Virtio_Drivers Fedora Project] in order to use VirtIO networking on Windows guests.
Embedding this drivers into Guest Additions installer for Windows could be quiet useful.",invite_ciel
14568,Regression: protocol error if the host folder name differs from share name,VirtualBox 5.0.4,Linux,2015-09-10T13:15:38Z,2015-09-10T13:44:00Z,2015-09-10T13:44:00Z,"I remember many years ago in VBox 2 or 3 there was an issue that name of the folder on host system has to match the name of the share for it to work properly. In 4 it worked properly though. Now on 5.0.4 I've encountered the same issue again:

on host:
1. mkdir ~/vm-shared
2. mkdir ~/test

in VBox UI:
1. add folder ~/vm-shared with name ""shared""
2. add folder ~/test with name ""test""

on guest (under root):
1. mkdir /mnt/shared && mount -t vboxsf -o uid=1000,gid=100 shared /mnt/shared
2. mkdir /mnt/test && mount -t vboxsf -o uid=1000,gid=100 test /mnt/test

now on guest, try to execute following command:
1. mkdir /mnt/shared/somedir
2. mkdir /mnt/test/somedir

Second command executed successfully, but first command fails with protocol error.",indifferent
14652,Symbolic links cannot go up file tree on shared folder.,VirtualBox 5.0.4,Linux,2015-10-02T02:14:13Z,2015-10-02T02:14:13Z,2015-10-02T02:14:13Z,"I've set up a vagrant VM with ubuntu/trusty64 on OS X.

Attempting to create symbolic links in the shared folder that use .. to reference a directory up the tree results in a protocol error (EPROTO).

Symlinks with absolute or relative paths without going up the tree still work. 

",mstone121
14688,BSOD on Windows 10 with pagefusion on,VirtualBox 5.0.6,Windows,2015-10-09T21:18:36Z,2015-10-09T21:18:36Z,2015-10-09T21:18:36Z,"I always have a BSOD on my Windows 10 Home host when starting a Windows Server 2012 guest with pagefusion on

",mvendramin
14703,shared folders not mounting,VirtualBox 5.0.6,Linux,2015-10-15T07:10:04Z,2016-03-17T13:39:08Z,2016-03-17T13:39:08Z,"I can't see any shared folders on a debian (jessie) guest, win7 host. The shared folders are set up correctly, This is 5.0.6, with the guest additions rebuilt. This used to work on 5.0.0, not sure if the change to 5.0.6 caused it, or something else (debian update).

error is /sbin/mount.vboxsf: mounting failed with the error: No such device

sudo modprobe -a vboxguest vboxsf vboxvideo
solves it - is that a bug in the guest additions or the OS?

This post pointed me in the right direction:
http://stackoverflow.com/questions/28328775/virtualbox-mount-vboxsf-mounting-failed-with-the-error-no-such-device
Thanks
Nils",Nils
14704,Windows special folders mount as read only when shared,VirtualBox 5.0.6,Linux,2015-10-15T08:46:37Z,2015-10-15T08:46:37Z,2015-10-15T08:46:37Z,"Windows uses the 'read only' attribute for folders to indicate that the folder is a special folder such as 'Downloads', 'Documents, 'Pictures', 'Videos' and 'Music'.  Consequently this attribute is not intended to indicate that the folder is actually read only or that files should not be able to be created within it (https://support.microsoft.com/en-gb/kb/326549).  Unfortunately Virtual Box does not respect this behavior when mounting a shared folder that contains such folders.

An example of this problem is that if the 'Downloads' special folder is moved to the root directory of drive 'D:' and then drive 'D:' is shared with an Ubuntu client, then it will be impossible to create files or folders within the 'Downloads' folder from within the Ubuntu client. Nor will it be possible to change the permissions from within the Ubuntu client.

There is a workaround (https://forums.virtualbox.org/viewtopic.php?f=3&t=46541), which involves removing the read only attribute from within Windows using the command line 'attrib' command (Explorer does not permit the read only attribute to be removed from folders).

This is not an ideal solution as it removes some of the special folder behavior within Windows.  Ideally, VirtualBox should respect the normal Windows behavior of the read only attribute and ignore it.  This should be a very simple matter to fix.
",TrevorW
14743,X11 guests: Invisible drag-and-drop window blocks mouse interaction,VirtualBox 5.1.6,Linux,2015-10-25T08:30:04Z,2021-08-13T05:36:14Z,2021-08-13T05:36:14Z,"I first noticed this in v5.0.6, but it just happened to me again in 5.0.8.  After several days of using a guest, all of a sudden mouse clicks no longer work.  Both left and right mouse clicks do nothing, as if the clicks are not making it to the guest.  Moving the mouse works.  Guest additions are installed.

When the clicks stop working, the mouse continues working correctly in the host and in other guests running on this host.

Rebooting the affected guest fixes the problem.

I looked through the log file, though I see nothing obvious.  In this case, the timestamps in the log indicate the guest was only running for 37 hours and 29 minutes.  I'd guess the problem started around 37 hours and 27 minutes.  I rebooted it a minute or so after it happened.",Stéphane Charette
14828,Windows XP resize problem after installing updates and enabling 3D acceleration,VirtualBox 5.0.10,Windows,2015-11-14T11:14:26Z,2015-11-19T14:36:17Z,2015-11-19T14:36:17Z,"There's currently a problem with XP Guest Additions, more specifically with the auto resize function.[[BR]]
If you enable 3D acceleration (or both 2D and 3D), after installing a certain update (I don't know which) the function gets glitched and every time you log in, after few seconds, all the screen goes black and you need to resize the VM window in a smaller size to make the image appear again (or go to fullscreen and exit).[[BR]]
Also, after you do so, if you resize the window in a bigger size, the ""new"" part of the screen appears black. Fullscreen is also affected.[[BR]]
Both XP Pro, XP Pro x64 and even Ice XP (v6) are affected.[[BR]]
In the log I start up the Ice XP VM with 3D acceleration only, wait for the glitch, resize the window and shutdown.",Zacchi4k
14852,Grouped command output lost when redirecting to file on shared folder,VirtualBox 5.0.10,Solaris,2015-11-20T21:43:27Z,2015-11-20T22:25:42Z,2015-11-20T22:25:42Z,"I am not entirely sure how to describe this issue, but see the comments in the attached test file on how to reproduce.  What appears to happen is that I have a group of commands in a shell script that produce output that is redirected to a file, e.g.

{{{
{
  command1
  command2
} > some_file.txt
}}} 

regardless of whether the commands are shell built-ins or external, only the output of the last command ends up in the redirect file.  This only happens when the redirect file is on a shared-folder mount within the guest.  It does not happen in other directories within the guest.  It also does not happen if the commands are not grouped, i.e. they do not share access to the output file.

In all cases, the test script is run from within the guest, the difference being the current working directory.  I have observed this behavior on both Oracle Solaris 11.3 and OmniOS !r151006 guests. OmniOS is an illumos distribution, similar to Solaris.  In both cases, the Solaris Guest Additions are installed:

{{{
# modinfo | grep vbox
187 fffffffff8115000  29210 265   1  vboxguest (VirtualBox GstDrv 5.0.10r104061)
200 fffffffff8151000   3b28 266   1  vboxms (VBoxMouseIntegr 5.0.10r104061)
201 fffffffff8155000   88a8  24   1  vboxfs (VirtualBox ShrdFS 5.0.10r104061)
}}}

This was discovered while trying to run an autoconf ""configure"" script, which tried to echo a string, pipe it to sed, echo something else, and redirect all the output to a file.  The output from sed never made it to the file.  The attached test script is a condensed version of this.  The effect is that we cannot run configure in a shared folder.

I have verified with truss(1M) that in both cases, identical write(2) syscalls are issued with the same arguments, and succeed in all cases.  I also cannot reproduce this on a Linux guest.  I therefore suspect that the issue lies in the particular VFS implementation provided by the vboxfs Solaris driver.",Eric Sproul
14864,VDI eviroment bugs,VirtualBox 4.3.30,Windows,2015-11-24T13:33:51Z,2015-11-25T12:51:45Z,2015-11-25T12:51:45Z,"Hi I hope somebody can help me, We are running 25 sunrays in a class with sunray server and a custom broker. Since we upgraded to 4.2.28 from 4.3.30 we are getting strange bugs frequently. We are connected to the VRDEport(console connected) to the running VM. 1. When a user logs off the screen snaps to the smallest 8bit resolution which leave the user with a small screen with mangled colours a windows reboot solve the issue but would like to know what the cause is. 2. When a user logs out it remains on logging off and needs to be powered off hard and started up to recover.   ",Reniervdw
14880,Guest Additions donot work on windows 10 host,VirtualBox 5.0.10,Windows,2015-12-01T14:41:32Z,2016-03-11T06:53:57Z,2016-03-11T06:53:57Z,"I am running Windows 7 guest on Windows 10 host. 
Win 7 runs without guest additions but when i install them windows doesn't start and gives this error message
Load library failed with error 1114: A dynamic link library (DLL) initialization routine failed.
If i go to safe mode and uninstall guest additions then windows runs again. I set 3D unchecked in guest settings. and didn't install Direct3D(experimental)when installing Guest additions.",petergemeni
14884,Cannot chmod directories within guesLinux guest/host,VirtualBox 5.0.10,other,2015-12-02T02:50:20Z,2015-12-02T02:50:20Z,2015-12-02T02:50:20Z,"I have a Linux guest in Virtualbox with a directory tree mounted rw using vboxsf. Today I noticed that running chmod on a directory from within the guest has no effect. This is a problem for me, because I was trying to use git annex, which relies heavily on being able to modify directory modes during the drop operation, for example. 

I did some searching and found lots of commentary implying that other people were seeing the same problem, but no solutions anywhere, so I dug into the source code and gradually drilled down into vboxsf until I found the host-side implementation of mode change for directories, in vbsf.cpp on line 1444:
{{{
    /* TODO: mode for directories */
}}}

I have to give it credit for its conciseness, but I'd be very appreciative if a new release of VirtualBox included a more effective implementation :)",Simon Ruggier
14926,kernel 4.2 incompatible headers structure,VirtualBox 5.0.10,Linux,2015-12-13T01:36:25Z,2015-12-17T08:04:03Z,2015-12-17T08:04:03Z,"virtualbox guest additions (v 5.0.10) claim that can't find headers for current kernel, but install successfully.

In Ubuntu 15.10 amd64.",MikhailRokhin
14939,VM VirtualBox 5.01 on Windows 10 has excessive disk activity when running Debian 7.0.0,VirtualBox 5.0.10,Linux,2015-12-17T14:57:04Z,2015-12-22T02:41:26Z,2015-12-22T02:41:26Z,"Since I have upgraded from 4.2.34 to 5.0.10-104061, the performance
of Debian 7.0.0 (40.0 Gb) has gone down significantly.
Whenever I resume the saved state, there is a lot of disk
activity even when I am doing nothing. The Windows 10 Task Manager
indicates disk activity peaking around 30 Mbytes/sec coming
from the VirtualBox Manager. A lot of disk activity continues while I
am working in a command window in Linux. I have encountered the
same issue with Windows 7 (before I upgraded to Windows 10 recently).

I have tried to regress back to 4.2.34, but I am unable to restart
the saved state of Debian 7. ""Failed to open session for virtual
machine debian 7.0.0. Unsupported version 17 of data unit cpum""

Occasionally when I close the Virtual Machine using save state,
it gets aborted. When I restart the virtual machine, Debian reboots.",seymour
14948,"""Auto-resize guest display"" feature unstable",VirtualBox 5.0.12,Windows,2015-12-19T08:41:43Z,2015-12-20T09:15:09Z,2015-12-20T09:15:09Z,"I am talking about this feature:
https://ma.ttias.be/auto-resize-screen-size-windows-10-guest-vms-virtualbox/

I am running Windows 10 guest under Windows 10 host.

After I start virtual machine:
Guest display is autoresized, but ""Auto-resize guest display"" checkbox inside top menu bar is disabled (greyed).

After I login to my Windows account on guest system:
""Auto-resize guest display"" checkbox is enabled, but it does not do anything. I would expect that when I uncheck this checkbox guest display would toggle to fixed size and when I check it guest display would toggle to flexible size. However, this does not happen. Guest display does not react to checking/unchecking ""Auto-resize guest display"" checkbox.

If I click on ""Resize to ..."":
Guest display toggles to fixed size, however ""Auto-resize guest display"" checkbox remains checked. So, checkbox does not reflect current state of guest display. Next, to return to flexible size I need to click on checkbox twice: the first click will uncheck checkbox and the second click will check checkbox and return display to flexible size.

For me it would be logical if:
""Auto-resize guest display"" option would move to the same menu with ""Resize to ..."". Then I would have: ""640x480 resolution"", ""800x600 resolution"", ..., ""Auto-resize guest display"". Then only one option can be enabled at the same time. Current situation when I can have ""640x480 resolution"" and ""Auto-resize guest display"" enabled at the same time is against the logic. The screen can't have two different sizes at the same time.

But most important issue is:
After some time ""Auto-resize guest display"" features breaks, guest display toggles back to fixed size and does not react to ""Auto-resize guest display"" checkbox any more. I have to reboot to toggle flexible display size on. This happens occasionally. I suspect that this may happen when host system goes to sleep mode or other kind of waiting mode, but I can't say for sure.",i8329
14949,Drag and drop inside guest doesn't work after installing Guest Additions,VirtualBox 5.0.12,Windows,2015-12-19T12:29:26Z,2016-01-04T10:52:02Z,2016-01-04T10:52:02Z,"I have been testing Virtualbox for some months and it works really great, very good job guys!
But I have found a strange issue, and can't find a solution here.
Last days I am testing VBox with windows 7 (64bit) embedded guests.
In my latest builds, everything works fine until I install Guest Additions, then drag and drop (in windows explorer and desktop) stops working completely in guest. If I uninstall Guest Additions then it starts working again. 
Also I get some errors trying to run some exe files (mainly installers) from host shares. But if I copy the directory to my desktop or some network share, then the same installers work just fine.
It happens with v. 5.0.10 and also with latest 5.0.12 (with their respective Guest Additions versions), I'll try with older/stabler versions.
I haven't had these problems with Windows 7/8 guests, maybe something related with Windows Embedded. If I install that same image to a real computer, drag and drop works just fine.
Any ideas of what might be happening?
My host has Windows 8.1.
Please see log attached.
You can see the thread I opened in forum here:
https://forums.virtualbox.org/viewtopic.php?f=2&t=75253&p=349185#p349185

Thanks in advance!",ramoncio
14964,Shared clipboard does not work every second time,VirtualBox 5.0.12,Windows,2015-12-22T17:33:25Z,2015-12-22T17:33:25Z,2015-12-22T17:33:25Z,"It starts working after restart. So, I regularly have to start virtual machine and then restart it to get it work. Log attached.",i8329
14966,Dragging folder with several files from host to guest works partially,VirtualBox 5.0.12,Windows,2015-12-22T18:42:29Z,2016-01-04T11:41:16Z,2016-01-04T11:41:16Z,"When I drag folder containing several files from host to guest, VirtualBox copies the folder and one file, while all other files except the first one are not copied.",i8329
14971,Dragging from Windows 10 guest to Windows 10 host does not work,VirtualBox 5.0.12,Windows,2015-12-23T13:37:44Z,2016-01-04T12:50:19Z,2016-01-04T12:50:19Z,"Sometimes it works.

Sometimes, when I drag from guest to host nothing happens and when I try to delete the file I dragged, I get error message (see VB-screenshot-1.jpg).",i8329
14973,Shared clipboard does not allow to copy files with ctrl-c - ctrl-v,VirtualBox 5.0.12,Windows,2015-12-23T13:51:10Z,2016-01-08T17:13:49Z,2016-01-08T17:13:49Z,"I tried to copy files via cliboard in VMware and it does it easily.
In VirtualBox copying files via clipboard does not work.",i8329
15041,Video not responding,VirtualBox 5.0.12,Windows,2016-01-18T08:53:42Z,2016-01-18T08:53:42Z,2016-01-18T08:53:42Z,"Hello,
I have an Acer Aspire aspire vn7-792g with windows 10.
I have installed virtualbox with windows 7 inside, I have installed guest addition and enabled 2d and 3d video acceleration.
After installing guest addition, my acer has a critical problem on display, if it turns off (power saving), the video does not respond.
I must power off the computer, otherwise my display remains black, even if virtualbox is not running.

",matteo
15046,Crash when installing guest additions on Windows 10 (1511 / 10586),VirtualBox 5.0.14,Windows,2016-01-20T08:47:12Z,2016-01-20T08:53:28Z,2016-01-20T08:53:28Z,"Hello,

After upgrading Windows 10 (guest), which had a previous version of Guest Additions working fine, then using Windows Update to upgrade Windows 10 to build 1511/10586, I can no longer install Guest Additions.  There's no problem with the same VM if I restore a snapshot without the Windows update applied.  Even uninstalling Guest Additions first makes no difference.

The first attempt (see ""VBox.log.2"", attached) causes the installer to abort the VM during installation of ""VBoxDrvInst.exe"".  Subsequent attempts (after rebooting the guest) just cause the installer to exit with an error (see below, copied-and-pasted from installer window, and ""VBox.log"" and ""VBox.log.1"", attached).

Thanks.",cbr.reflexe
15112,Guest Additions autorun doesn't work with Mate Desktop (doesn't recognize mate-terminal),VirtualBox 5.0.14,Linux,2016-02-04T16:25:41Z,2016-09-18T18:26:12Z,2016-09-18T18:26:12Z,"Please reference lines 44-63 of autorun.sh in VBoxGuestAdditions_5.0.14.iso ...

{{{
# Get the name and execute switch for a useful terminal emulator
#
# Sets $gxtpath to the emulator path or empty
# Sets $gxttitle to the ""title"" switch for that emulator
# Sets $gxtexec to the ""execute"" switch for that emulator
# May clobber $gtx*
# Calls mywhich
getxterm() {
    # gnome-terminal uses -e differently to other emulators
    for gxti in ""konsole --title -e"" ""gnome-terminal --title -x"" ""xterm -T -e""; do
        set $gxti
        gxtpath=""`mywhich $1`""
        case ""$gxtpath"" in ?*)
            gxttitle=$2
            gxtexec=$3
            return
            ;;
        esac
    done
}
}}}

Lines 52 and 53 should be changed to the following (adding mate-terminal):

{{{
    # gnome-terminal and mate-terminal use -e differently to other emulators
    for gxti in ""konsole --title -e"" ""gnome-terminal --title -x"" ""mate-terminal --title -x"" ""xterm -T -e""; do
}}}

This allows autorun to function within the Mate Desktop environment.",kuacceshi
15137,Clearing read-only file attribute from Windows guest result in world writable permission.,VirtualBox 5.0.14,Windows,2016-02-10T10:11:10Z,2016-02-10T10:11:10Z,2016-02-10T10:11:10Z,"The shared folders of VirtualBox blindly maps read-only attribute of Windows guest to POSIX write permission. This behavior cause dangerous and undesired file permissions are set in the host system.

=== Steps to Reproduce ===
{{{
$ umask
0022
$ ls -l a.txt
-rw-r--r-- 1 user1 user1 0 Feb 10 00:00 a.txt
}}}
 1. Set read-only attribute of the file ""a.txt"", from a Windows guest with the shared folder mounted.
{{{
$ ls -l a.txt
-r--r--r-- 1 user1 user1 0 Feb 10 00:00 a.txt
}}}
 1. Unset read-only attribute of the same file, from the same Windows guest.
{{{
$ ls -l a.txt
-rw-rw-rw- 1 user1 user1 0 Feb 10 00:00 a.txt
}}}

----
VirtualBox respects umask when only creating new files, but it should do the same when mapping read-only attribute (or something similar). Leaving files world writable is simply unacceptable.",JackieKu
15149,"Files are not deleted when deleting many files, but VM thinks they are",VirtualBox 5.0.14,Linux,2016-02-14T14:11:57Z,2018-03-06T15:54:46Z,2018-03-06T15:54:46Z,"When we try delete many individual files in the VM on a shared folder, the files still exists but the VM reports them as not existant. The Symfony cache:clear command does this and fails because directory's can't be removed (the VM thinks they are empty but they are not).

Host: tested with Windows and OSX
Guest: tested with Debian 8 64, Ubuntu 14.04 64, Ubuntu 14.04 32
Note: Debian 7 64 does not have this problem.

To reproduce:
- Clone https://github.com/marijnotte/file-delete-test
- Install Vagrant
- Do vagrant up in the project folder
- When provisioned login into the box (vagrant ssh)
- cd /vagrant
- php composer.phar install

Error message:

{{{
  [RuntimeException]                                                                                                                                                                                                                        
  Error Output:                                                                                                                                                                                                                             
                                                                                                                                                                                                                                            
  [Symfony\Component\Filesystem\Exception\IOException]                                                                                                                                                                                    
  Failed to remove directory ""/vagrant/app/cache/pro~/doctrine"".    
}}}

- cd /vagrant/app/cache/pro~/doctrine
- ls --> directory is empty
- Go to the same directory on your host --> directory is not empty",Marijn
15221,VirtualBox 5.0.16 Guest Additions fail to install under RHEL 5.11 64-bit,VirtualBox 5.0.16,Linux,2016-03-08T16:26:14Z,2016-03-15T15:06:20Z,2016-03-15T15:06:20Z,"The build fails, and the RHEL 5.11 system becomes unusable: it keeps getting a kernel panic (""not syncing"") at boot time.",Daniel U. Thibault
15305,Allow Relative Paths for Shared folder,VirtualBox 5.0.16,all,2016-04-12T11:25:16Z,2017-10-21T08:12:00Z,2017-10-21T08:12:00Z,"It is not uncommon for VirtualBox users to keep one or more Virtual Machines on flash drives, or other external storage, so they can have the convenience of their VMs in their pocket.

Such an external drive might have a folder structure like this:

{{{
DevDrive
\-- Virtualbox_Instances
    |-- Ubuntu14.04_Client
    |   |-- Logs
    |   |-- SharedFiles
    |   |-- client.vbox
    |   \-- client.vdi
    \-- Ubuntu14.04_Server
        |-- Logs
        |-- SharedFiles
        |-- server.vbox
        \-- server.vdi
}}}

When attached on Windows, the drive letter assigned to the drive can generally not be predicted, especially across multiple host machines.

Therefore if the user wishes to have the convenience of an [[https://www.virtualbox.org/manual/ch04.html#sf_mount_auto|auto-mounted shared folder via guest additions]], it is not unusual to have to re-define the shared folder whenever they try running their VM on a new host machine.

The logical solution to this problem would be to define the path of the shared folder relative to the VM, but currently relative paths seem to not be allowed.

Specifically, given the above Folder Structure, if the user modifies u14.14_client.vdi to contain:
{{{
<SharedFolders>
  <SharedFolder name=""SharedFiles"" hostPath="".\SharedFiles"" writable=""true"" autoMount=""true""/>
</SharedFolders>
}}}
They will receive this error:

[[Image(https://i.imgur.com/usGTFOq.png)]]

While adding the path as intended will result in something like:
{{{
<SharedFolders>
  <SharedFolder name=""SharedFiles"" hostPath=""F:\Virtualbox_Instances\Ubuntu14.04_Client\SharedFiles"" writable=""true"" autoMount=""true""/>
</SharedFolders>
}}}

But there is no guarantee that this drive will mount as letter `F` when connected on another host machine.

We cannot assume that the user would even have the privileges necessary on the host machine to assign a drive letter, especially since it may already be bound to another drive.


----

It would be really useful if VirtualBox supported relative Paths for Shared Folders. 

The path should be relative to the `.vbox` file itself.

",JohannesMP
15312,Ubuntu doesn't get to desktop when 3D acceleration is enabled,VirtualBox 5.0.16,Linux,2016-04-15T17:20:34Z,2016-04-15T17:20:34Z,2016-04-15T17:20:34Z,"I have guest additions with 3D acceleration enabled.
The client is Ubuntu 14.04 LTS

When launching Ubuntu, I can log in but it doesn't make it all the way through to the full desktop. The OS is basically unusable.",raduzard
15318,seamless mode does not work after upgrade to VirtualBox 5.0.18 Oracle VM Guest Additions on Ubuntu Guest,VirtualBox 5.0.18,Linux,2016-04-19T08:28:11Z,2016-05-31T15:40:04Z,2016-05-31T15:40:04Z,"Host ist Win10-64bit and guest is Ubuntu 15.10. The task bar is about 2cm deeper than normal. Staying at the guest additions from xxxx16 works.

Any idea?",beststevie
15355,Auto-resize guest (Win 8.1 and 10) not working with Guest additions 5.0.18,VirtualBox 5.0.18,Windows,2016-04-26T14:25:49Z,2016-08-24T20:28:57Z,2016-08-24T20:28:57Z,"Auto-resize guest using the Guest additions 5.0.18 does not work in a Win 8.1 and Win 10 VM.
I've verified that:
- Auto-rezie guest display is enabled
- Maximum guest screen size is automatic

What I've done (and did NOT help):
- Downgrading to 5.0.16 from 5.0.18 (and reinstalling the matching GA)
- Reinstalling/upgrading Guest Additions

What I've done (and DID help):
- Downgrading to 5.0.14 (and matching GA)
- Using vBox 5.0.18 with the 5.0.14 GA",Martien Korenblom
15387,"""VirtualBox Guest Additions update available"" wording out of date",VirtualBox 5.0.20,all,2016-05-04T13:56:44Z,2016-05-04T13:56:44Z,2016-05-04T13:56:44Z,"When Guest Additions detects that a newer version of the host is running, it will pop up a message like:

""Your guest is currently running the Guest Additions version X. We recommend updating to the latest version (Y) by choosing the install option from the Devices menu.""

In older versions of VirtualBox this wording was fine, as the Devices menu had an entry ""Install Guest Additions"". However, for several versions now the entry is instead ""Insert Guest Additions CD image"".

So I think the wording in the popup should be changed to something like:

""Your guest is currently running the Guest Additions version X. We recommend updating to the latest version (Y) by choosing the option to insert the Guest Additions CD image from the Devices menu.""",JohnVeness
15419,vboxguest: module verification failed: signature and/or required key missing - tainting kernel,VirtualBox 5.0.20,Linux,2016-05-15T13:33:57Z,2016-05-15T13:33:57Z,2016-05-15T13:33:57Z,"I've found the error Message mentioned above in my syslog of an Ubuntu 16.04 X64 Server) , see below.

{{{
May 14 12:00:03 fortuna kernel: [    7.962773] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro
May 14 12:00:03 fortuna kernel: [    8.354372] vboxguest: module verification failed: signature and/or required key missing - tainting kernel
May 14 12:00:03 fortuna kernel: [    8.371889] piix4_smbus 0000:00:07.0: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr
May 14 12:00:03 fortuna kernel: [    8.397995] vgdrvHeartbeatInit: Setting up heartbeat to trigger every 2000 milliseconds
May 14 12:00:03 fortuna kernel: [    8.398075] input: Unspecified device as /devices/pci0000:00/0000:00:04.0/input/input6
May 14 12:00:03 fortuna kernel: [    8.410875] vboxguest: misc device minor 55, IRQ 20, I/O port d020, MMIO at 00000000f0400000 (size 0x400000)
May 14 12:00:03 fortuna kernel: [    8.410879] vboxguest: Successfully loaded version 5.0.20 (interface 0x00010004)
May 14 12:00:03 fortuna kernel: [    8.469950] [drm] Initialized drm 1.1.0 20060810
}}}

So on one hand an error, but on the other hand it works.
I've googled a little and found out that it has to do with Kernel Module signing.
Is there any way to fix this?

See also this thread in the Support Forum:
https://forums.virtualbox.org/viewtopic.php?f=3&t=77687",FranzS
15460,Windows 10 VB Error Drag N Drop Not Working N Others More,VirtualBox 5.0.20,Linux,2016-05-30T13:00:20Z,2016-05-30T13:00:20Z,2016-05-30T13:00:20Z,"I Been Using Virtualbox for a long time, and now because of the venom shitty shit. it broke

Problems that i most have is DRAG AND DROP not working on linux and windows
I Install the Extension and my ZorinOS Broken not working anymore not booting properly. on windows 7 it work fine but i cant drag and drop back then i can i forgot the version but drag and drop is working back then, i use linux.
please fix this problem thanks man.",DogSHlT
15478,VBoxTray.exe using excessive CPU,VirtualBox 5.0.20,Windows,2016-06-05T21:35:17Z,2019-10-03T10:22:20Z,2019-10-03T10:22:20Z,"Windows 10 Host running Widows Guests. Problem started after upgrading to 5.0.18 and installing the GAs. Problem remained after upgrading to 5.0.20.

Symptom is that apps running in the guest get very sluggish. Sometimes slide bars are unresponsive. Menu pull downs always open the first selection. Symptoms appear several minutes after VM is started, but once VBoxTray.exe starts eating the CPU, it does not disappear.

Started thread in forums at: https://forums.virtualbox.org/viewtopic.php?f=2&t=77784

mpack suggested going back to 5.0.16 after just installing 5.0.16 GAs did not fix problem.

Problem does not appear when running 5.0.16 with the 5.0.16 GAs",pansophysr
15489,not working copy / paste and  Drag & Drop,VirtualBox 5.0.20,Windows,2016-06-07T15:45:20Z,2018-08-28T12:15:06Z,2018-08-28T12:15:06Z,"not working copy / paste and  Drag & Drop
I have VB on my mac 
On VB is installed Windows
I can't copy paste from mac to win and from win to mac",SK
15502,Regression: Support for middle mouse button (3rd button),VirtualBox 5.0.20,Windows,2016-06-12T16:44:48Z,2016-06-12T16:44:48Z,2016-06-12T16:44:48Z,"Hello,

I have a 5 button + scroll wheel mouse (Evoluent VerticalMouse 4 USB) and I want to use the middle (3rd) mouse button or scrollwheel as doubleclick in my guest system. Before VirtualBox 5.0 (versions 4.3.x) that was no problem and the middle mouse button was detected.
I use the 3rd party software ""X-Mouse Button Control"" (highrez.co.uk/downloads/XMouseButtonControl.htm) to assign mouse buttons to functions, but in VirtualBox 5.0.x the middle mouse button is only detected as left mouse button. Same goes for the scroll wheel.

The USB filter for the mouse does not work either, besides this is not an option for me because I want to use the mouse in the host and guest system.
Is there a solution?

VirtualBox 5.0.20 r106931 with installed Extension Pack
Host: Windows 7 SP1 64Bit
Guest: Windows 7 SP1 64Bit, also tried with Windows XP SP3 32Bit",Sundowner
15535,Host files with (illegal) colon in filename not visible in shared folder,VirtualBox 5.0.22,Linux,2016-06-20T09:53:47Z,2016-06-20T09:53:47Z,2016-06-20T09:53:47Z,In Windows files are created (through CygWin) having a (illegal) colon in their name. I added this folder as Shared Folder in Virtualbox. All subdirs are visible (not having a colon) but none of the files with the colon are. When the colon is removed from the filename they become visible.,CornePlas
15697,Linux Additions should still be able to read network config without D-Bus,VirtualBox 4.3.36,Linux,2016-07-27T10:49:21Z,2016-07-27T12:58:48Z,2016-07-27T12:58:48Z,"Currently lines 1472-1478 of /src/VBox/Additions/common/VBoxService/VBoxServiceVMInfo.cpp look like this:

rc = vgsvcVMInfoWriteUsers();
if (RT_FAILURE(rc))
    break;
	
rc = vgsvcVMInfoWriteNetwork();
if (RT_FAILURE(rc))
    break;

This unfortunately means that '''if vgsvcVMInfoWriteUsers() fails due to a missing system D-Bus, no network info is exposed as guest properties. There is no reason for this'''.

'''Suggestion:''' simply continue with vgsvcVMInfoWriteNetwork() even if vgsvcVMInfoWriteUsers() fails

This affects all currently supported VirtualBox versions.
",AxelFontaine
15699,Issue with Windows Guest Digital License no longer valid,VirtualBox 5.1.2,Windows,2016-07-27T15:18:29Z,2016-11-28T11:30:14Z,2016-11-28T11:30:14Z,"When upgrading Virtual Box from V5.0 platform to V5.1, I have issue with the Digital license being invalid for Window 10 guests. Once the guest additions are installed I get a message that this copy of Windows is not active. When trying out the activation trouble shooter it prompts you to go to the Store to buy another copy.

I have tried both 5.1.0 and 5.1.2.  The Host OS is Windows 10 Pro 64 bit, while the two clients are Windows 10 Pro 32 bit preview versions.",WMurdockJr
15715,Shared Clipboard not working with Windows 10,VirtualBox 5.1.2,Windows,2016-07-30T15:09:07Z,2016-07-30T15:09:07Z,2016-07-30T15:09:07Z,"I have VirtalBox 5.1.2 with a Windows 10 guest. 

After updating (in the guest) the Guest Additions to version 5.1.2 the shared clipboard isn't working anymore. If I re-install the Guest Additions 5.0.26 the shared clipboard works. 

So I assume it's a problem in the Guest Additions. (With the Guest Additions 5.1.0 the clipboard isn't working either.)

Specs:

Host: openSUSE 13.2 (64-Bit), VirtualBox 5.1.2

Guest: Windows 10 (version 1511, 64 Bit)",tischuer
15729,keyboard differences in VB 5.1,VirtualBox 5.1.2,Linux,2016-08-03T07:01:19Z,2016-08-03T07:36:49Z,2016-08-03T07:36:49Z,"VB 5.1.2 r108956 on 64-bit Ubuntu 16.04, running 64-bit Ubuntu 16.04 guest with the guest additions.

Something has changed in the way keyboard handling works in VB 5.1.  Two problems that I'm guessing may be related:

'''#1)'''
In the past, the extra ""multimedia"" buttons on my USB keyboard (including the ""calculator"" button) have always worked.  They used to be handled by the host, even when the guest had focus.  In VB 5.1, those buttons don't work anymore when the guest has focus.

'''#2)'''
The other more serious keyboard change in VB 5.1 is that ALT+TAB is no longer always caught by the guest.  Instead of going between the apps in the guest, ALT+TAB is handled by the host, even when the guest has focus.  This doesn't happen 100% of the time.",Stéphane Charette
15732,Distorted Display on Windows 10 guest,VirtualBox 5.1.2,Windows,2016-08-03T09:35:16Z,2016-09-03T06:08:40Z,2016-09-03T06:08:40Z,"Until recently my win10 guest with raw disk on a dual boot system worked fine. Since 2.8.16 it still boots fine but when the login screen appears, the display is totally distorted (see attachment). Also after logging in blindly the problem is not solved. Booting Win 10 to safe mode works fine. Removing and re-installing VBox Extensions did not help. ",neuweiler
15742,Problem with Full Screen Mode Guest windows 10  PRO 64B Update 2 1511,VirtualBox 5.1.2,other,2016-08-03T19:56:54Z,2016-08-10T09:43:04Z,2016-08-10T09:43:04Z,"Problem to switch to full screen Mode with key Host + F max resolution is 1024x768

the driver monitor resolution display does not appear in view all modes 

Unistall Virtualbox 5.1.2 and install version 5.0.26 works correctly
",Mike02
15781,VirtualBox 5.1.2 - VBoxGuest.sys BSOD (Win 7 Pro),VirtualBox 5.1.2,Windows,2016-08-11T17:13:56Z,2016-08-11T17:13:56Z,2016-08-11T17:13:56Z,"Every hour or so VirtualBox 5.1.2 r108956 freezes with a BSOD and VBoxGuest.sys a the bottom, and reboots.",brianjester
15784,Video Mixing Renderer 9 (VMR) DirectShow graph building issue,VirtualBox 5.1.2,Windows,2016-08-12T12:34:03Z,2016-08-12T12:34:03Z,2016-08-12T12:34:03Z,"I've been experimenting with DirectShow video playback in Windows guests (XP, Vista, 7 and 8.1) using GraphStudioNext, and I stumbled on a issue that might be cause by the VirtualBox additions display driver. (The host PC is running Windows 10 x64 and has a Nvidia Geforce GTX 750 Ti graphics card).

If you start GraphStudioNext and drag a video on to it will by default create a graph with the VMR7 and hit play then it will play fine. If you remove the VMR7 filter and then go to Graph -> Insert Video Renderer, you can try out the various other video renderers.

All of these work fine (Video Renderer, VMR7, EVR) except VMR9, which fails to build the graph, reporting a cannot connect pins error. This error is not normal and doesn't occur on non-virtualized versions of Windows.",QuantumSquirrel
15818,Windows 10 guest VM has shared folder hang,VirtualBox 5.1.4,Windows,2016-08-18T10:33:07Z,2016-08-18T14:56:33Z,2016-08-18T14:56:33Z,"
== The Issue ==

On using Visual Studio 2013 on my Windows 10 VM to build a project located on a VirtualBox shared folder, Visual Studio will hang during some file I/O operation such as scanning files for intellisense or compiling the C++ source files. Once it is hanging, I cannot access the shared folder via the Windows file explorer which suggests something has failed in the shared folder file operation(s), and the Visual Studio process cannot be terminated. Indeed, even shutting down the VM hangs on the shutdown screen and I must manually force a VM power off. Interestingly or not, copying the entire project folder from the shared folder to the guest C: drive worked without any issues, and then subsequent build operations from the C: drive work fine without any hanging.

This problem appears to have started happening since version 5.1.x. It was happening after I initially upgraded to 5.1.2 but then seemed to sort itself out, but since upgrading to 5.1.4 it is happening constantly (or maybe I'm just being lucky / unlucky depending on timings).

There doesn't appear to be anything in the VM host syslog related to disk I/O at the time that the VM shared folder access hangs but VM startup does produce the following in the syslog:

{{{
Aug 18 11:21:35 centurion kernel: [69073.711857] vboxdrv: ffffffffc0121020 VMMR0.r0
Aug 18 11:21:35 centurion kernel: [69073.783744] vboxdrv: ffffffffc0220020 VBoxDDR0.r0
Aug 18 11:21:35 centurion kernel: [69074.056132] vboxdrv: ffffffffc023f020 VBoxEhciR0.r0
}}}

The VM log (attached) doesn't appear to me to have anything in there related to the shared folder hang. Is there any more verbose logging that can be enabled for the VM?

== About the VirtualBox setup ==

I'm running a Windows 10 (64bit) guest on Linux Mint 17.3 (64bit) host running Linux Kernel 3.19.0-32. The Windows 10 VM is run using a raw disk vmdk file which points to an SSD. The VirtualBox Guest Additions are up-to-date with the version of VirtualBox (5.1.4).",neilc34
15834,Mouse Integration on OS/2 - eCS causes double pointer after guest addition upgrade.,VirtualBox 5.1.4,other,2016-08-20T03:27:23Z,2016-08-20T05:27:25Z,2016-08-20T05:27:25Z,"OS/2-eCS guest. Upgraded from Vbox 5.0.26 to 5.1.4. Installing guest additions seem normal. Reboot and find two mouse pointers. One system pointer sitting on top of the Guest pointer. They move together, well almost, but when the Guest pointer changes shape the system does not. All was well before installing the 5.1.4 guest additions.

Disable mouse integration and the pointer is normal.",Cfly
15857,Defect: 5.1.4 Shared Folders not showing in Ubuntu Linux Guest from  Win7 Host,VirtualBox 5.1.4,Linux,2016-08-27T07:12:42Z,2016-09-01T13:37:14Z,2016-09-01T13:37:14Z,"After creating a share folder in Ubuntu 16 Guest,
  we cannot see it in Media

2) Same for bi-directionnal copy/paste not working.

",brook245
15888,VirtualBox 5.1.0 - 5.1.4 Guest Additions problem in Windows XP Guest,VirtualBox 5.1.4,Windows,2016-09-05T14:35:16Z,2016-10-29T16:35:03Z,2016-10-29T16:35:03Z,"
Host: Windows 8.1  Pro 64 bit, Intel Core i7-4770K, 16 GB RAM 

Guest: Windows XP SP3, 512 MB RAM, all other settings default.


Problem with guest additions in Windows XP


The guest additions worked properly in VirtualBox 5.0.24 and earlier. In all 5.1 versions (5.1.0 - 5.1.4) the following problems are observed: 

•the guest additions icon does not appear in the system tray;  


•seamless mode is disabled and does not switch; 


•mouse wheel does not response.



I also noticed that VBoxTray process gets started but then terminates in approximately a minute after the start and guest additions icon never appears.


This problem pertains in my virtual machine with Windows XP what I used continuously with Virtual Box 5.0.24 without any problems. 


Other guest OS including Windows 7, 8.1 and 10 do not have this problem.

",batyrulan
15897,Symfony clearing cache fails when done through shared folder (rmdir fails),VirtualBox 5.1.4,Linux,2016-09-07T03:33:41Z,2018-03-06T15:58:02Z,2018-03-06T15:58:02Z,"I have opened a bug on the Symfony bug tracker (https://github.com/symfony/symfony/issues/19851), however, I believe this is an issue between Linux and Windows with a shared folder.

I am using RHEL7 on the guest machine and windows 8 on the host. The /var/www/ dir is a mount of a shared folder on the windows machine (a Virtual Box share). I have installed Symfony on the guest, so its files are done through the share (I can browse them on the host).

Everything seems to run fine except clearing of cache. This fails saying that there are files in the dir that it is trying to run an rmdir on:
{{{
(Failed to remove directory ""/var/www/html/tut1/var/cache/pro~/twig"": rmdir(/var/www/html/tut1/var/cache/pro~/twig): Directory not empty.)
}}}
Looking in windows, I can see that there are a bunch of files still showing there, however, when I try list (dir, ll and a bunch of other options attempted), it shows no files. Yet if I try to do an rm -R on the dir:
{{{
rm -R /var/www/html/tut1/var/cache/pro~/twig/
}}}
it says that it can't:
{{{
rm: cannot remove ‘/var/www/html/tut1/var/cache/pro~/twig/’: Directory not empty
}}}

If I remount the /var/www/ mount (or reboot the guest), the files all show and I can run the rm command without any issues.

It's like in the Symfony script it is sending the unlink command that is being reported as successful even though on the host the files are not deleted.

I will attach an strace log if that is of any help. The main lines I looked at are copied into the Symfony bug report.

If you want to replicate this, install with a linux guest, windows host and install and run Symfony on it. Browse to a prod page (go to /project-name/web/app.php) and then clear the cache with the following command:
{{{
php bin/console cache:clear --env=prod
}}}
if you then delete the /project-name/var/cashe/pro~ dir and try that command again (or remount the share) it will work.",MicWit
15913,Installation of guest additions in Fedora 24 32 bits guest hangs => Linux 4.7 bug,VirtualBox 5.0.24,Linux,2016-09-09T10:10:20Z,2016-10-06T11:49:28Z,2016-10-06T11:49:28Z,"I am trying to install the guest additions in a fresh installed Fedora 24 32 bits but the VBoxLinuxAdditions.run script hangs.

The !VirtualBox version I am using is 5.0.24, but I have tried to install guest additions 5.1.4, since the former one doesn't compile under kernel 4.7.2 32 bits.

The exact sequence of commands used are:
{{{
# sudo dnf install install gcc cpp kernel-devel kernel-headers kernel-PAE-devel
# sudo wget http://download.virtualbox.org/virtualbox/5.1.4/VBoxGuestAdditions_5.1.4.iso
# sudo mkdir /tmp/vbox
# sudo mount -o loop /home/vagrant/VBoxGuestAdditions_5.1.4.iso /tmp/vbox
# sudo sh /tmp/vbox/VBoxLinuxAdditions.run
}}}

In the last step it hangs after the following messages are shown:
{{{
Verifying archive integrity... All good.
Uncompressing VirtualBox 5.1.4 Guest Additions for Linux...........
VirtualBox Guest Additions installer
Copying additional installer modules ...
Installing additional modules ...
vboxadd.sh: Building Guest Additions kernel modules.
vboxadd.sh: Starting the VirtualBox Guest Additions.
}}}

I have also tried with the latest test build at https://www.virtualbox.org/download/testcase/VBoxGuestAdditions_5.1.5-110588.iso but the result is the same.

Exactly the same procedure for a Fedora 24 64 bits guest is working fine and the guest installation finishes without problems.

A pstree command shows the following relevant process tree:
{{{
  │   │           └─sudo,30032 sh -x /tmp/vbox/VBoxLinuxAdditions.run
  │   │               └─sh,30033 -x /tmp/vbox/VBoxLinuxAdditions.run
  │   │                   └─sh,30090 ./install.sh /tmp/vbox/VBoxLinuxAdditions.run
  │   │                       └─vboxadd,30253 /opt/VBoxGuestAdditions-5.1.5/init/vboxadd setup
  │   │                           └─modprobe,32361 vboxsf
}}}

So it looks like it is loading the kernel module where the installation hangs.
This is the list of packages I have installed which are relevant to the kernel:
{{{
$ rpm -qa | grep kernel 
kernel-headers-4.7.2-201.fc24.i686
kernel-PAE-modules-4.7.2-201.fc24.i686
abrt-addon-kerneloops-2.8.2-1.fc24.i686
kernel-devel-4.7.2-201.fc24.i686
kernel-PAE-core-4.7.2-201.fc24.i686
kernel-PAE-devel-4.7.2-201.fc24.i686
libreport-plugin-kerneloops-2.7.2-1.fc24.i686
}}}

I have tried to have a look to the stack of the modprobe command:
{{{
#sudo cat /proc/32361/stack 
[<f8edddfd>] rtR0SemEventMultiLnxWait.isra.2+0x36d/0x3c0 [vboxguest]
[<f8edde73>] VBoxGuest_RTSemEventMultiWaitEx+0x23/0x30 [vboxguest]
[<f8eec5db>] VBoxGuest_RTSemEventMultiWait+0x5b/0x60 [vboxguest]
[<f8ed4361>] vgdrvHgcmAsyncWaitCallbackWorker+0xe1/0x220 [vboxguest]
[<f8ed44be>] vgdrvHgcmAsyncWaitCallback+0x1e/0x20 [vboxguest]
[<f8ed6ff1>] VbglR0HGCMInternalConnect+0x111/0x130 [vboxguest]
[<f8ed60a5>] VGDrvCommonIoCtl+0xad5/0x1550 [vboxguest]
[<f8ed2245>] VBoxGuestIDCCall+0x45/0x70 [vboxguest]
[<f8625b4d>] vbglDriverIOCtl+0x2d/0x40 [vboxsf]
[<f8626780>] VbglHGCMConnect+0x50/0xb0 [vboxsf]
[<f8626a8e>] VbglR0SfConnect+0x5e/0x90 [vboxsf]
[<f840b075>] init+0x75/0x1000 [vboxsf]
[<c0402182>] do_one_initcall+0x42/0x170
[<c056e0af>] do_init_module+0x50/0x1a8
[<c04f4c1a>] load_module+0x213a/0x27a0
[<c04f54b1>] SyS_finit_module+0xb1/0x100
[<c040388d>] do_fast_syscall_32+0x8d/0x140
[<c0b3f932>] sysenter_past_esp+0x47/0x75
[<ffffffff>] 0xffffffff

}}}

I don't know if that's useful.

I attach the output of running the installation script with sh -x, but I am afraid it doesn't give much extra information.

I also attach VBoxSVC.log just in case it is useful.

Regards
",cquike
15995,Video corruption with gengradd.dll from OS/2 guest additions,VirtualBox 5.1.6,other,2016-09-28T02:56:54Z,2016-09-28T02:56:54Z,2016-09-28T02:56:54Z,"When using the OS/2 guest additions video driver (gengradd.dll) mouse artifacts are left on the screen from selected applications (generally when mouse pointer changes while moving across other dynamic content).

I have seen this for some time (VBox 4?), and continue to see it on:

VirtualBox-5.1-5.1.6_110634_openSUSE132-1.x86_64

with the latest additions installed.

Screenshots attached.

Rolling back to the default gengradd.dll installed with the guest OS, no corruption is seen.",Lewis Rosenthal
16021,VirtualBox 5.1.x on Windows 2012 and Windows 2016 do not guest additions.,VirtualBox 5.1.6,Windows,2016-10-03T18:13:11Z,2016-10-25T13:17:56Z,2016-10-25T13:17:56Z,"Извините, что на русском. Вообщем проблема такая: В качестве хостовой машины - Ubuntu 16.04. Запускаю серверные платформы - Windows 2012 Standard и Windows 2016 Standard. Устанавливаю гостевые дополнения - все ставится, но после перезагрузки - сервис запускается, а вот програмка VBoxTray.exe стартует, висит 1-2 минуты и выгружается.
Взял из старых дополнений (от VirtualBox 5.0.26) VBoxTray.exe и заменил им новую, и все заработало. Но это конечно не правильно.
Интиересно, что у меня есть образ Windows 2012 с SQL 2008. Вот в нем работает и от VirtualBox 5.1.6.
Что нужно для нормальной работы дополнений?",Sergey
16030,Video hints / custom resolutions do not work with Windows 10 guest,VirtualBox 5.0.26,Windows,2016-10-05T08:56:13Z,2016-10-05T08:56:13Z,2016-10-05T08:56:13Z,"Host: Win 10, VBox 5.0.26, 3 monitors

Guest: Win 10, 1 monitor

Steps to reproduce: 
1. Add video hints as documented in ""9.8. Advanced display configuration""
(basically a set of custom resolutions) - Even stuff that physical display supports like 1920x1080 (Full HD).
2. Guest with 1 monitor, and Full-screen mode
3. Try to switch to this resolution from guest VM. It's not possible.

Worse yet, guest doesn't detect the resolutions that physical host display supports.

-Technologov, 5.10.2016.",Technologov
16065,Cannot create symlink inside shared folder on Windows host,VirtualBox 5.1.6,Linux,2016-10-12T20:59:18Z,2016-10-18T22:37:51Z,2016-10-18T22:37:51Z,"Symlinks do not work inside a VirtualBox Shared Folder when running on Windows 10 host with a Linux guest (Fedora 24)


{{{
$ mount  | grep vboxsf
home_vagrant_sync on /home/vagrant/sync type vboxsf (rw,nodev,relatime)
home_vagrant_sync on /home/vagrant/sync type vboxsf (rw,nodev,relatime)

$ pwd
/home/vagrant/sync
$ mkdir a
$ ln -s a b
ln: failed to create symbolic link 'b': Protocol error
}}}

Outside shared folder:

{{{
$ cd ..
$ pwd
/home/vagrant
$ mkdir c
$ ln -s c d
$ ls -ld d
lrwxrwxrwx 1 vagrant vagrant 1 Oct 12 20:51 d -> c
}}}

Environment:

{{{
$ uname -a
Linux guest 4.5.7-300.fc24.x86_64 #1 SMP Wed Jun 8 18:12:45 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
$ VBoxClient --version
5.1.6r110634

>""C:\Program Files\Oracle\VirtualBox\VBoxManage.exe"" --version
5.1.6r110634
}}}
",g_tirloni
16082,vboxmanage updagega cli crashes guest vboxservice,VirtualBox 5.1.8,Windows,2016-10-19T13:45:50Z,2016-10-19T13:45:50Z,2016-10-19T13:45:50Z,"I am running v5.1.8 along with the latest guest additions. 
My host is windows 8.1 64bit, my guests are a mixture of windows clients (32 and 64 bit) and a mixture of windows servers (32 and 64 bit) and i have the same issue with all of them.

i can start the vms, issue guestcontrol and guestproperty commands and they all run perfectly. However when i use the command:

{{{vboxmanage.exe guestcontrol ""vm name"" updatega}}}

it sits there waiting to talk to my guest vm and then times out with a bunch of errors about not being able to communicate with the vm.

Example errors are
{{{
ERROR [COM]: aRC=VBOX_E_IPRT_ERROR (0x80bb0005) aIID={13a11514-402e-022e-6180-c3944de3f9c8} aComponent={GuestWrap} aText={Could not open guest session: VERR_TIMEOUT}, preserve=false aResultDetail=0
ERROR [COM]: aRC=VBOX_E_IPRT_ERROR (0x80bb0005) aIID={13a11514-402e-022e-6180-c3944de3f9c8} aComponent={GuestWrap} aText={Could not open guest session: VERR_NOT_FOUND}, preserve=false aResultDetail=0
}}}
Searching around didnt yield any help and it was only when i looked closely at the guest did i notice that the vBoxService crashed.

I ran the service in the foreground using:

{{{vBoxService.exe -f}}}

and even with verbose does not produce any error in the console window, but does generate the following in the event log:

{{{
Faulting application name: VBoxService.exe, version: 5.1.8.11374, time stamp: 0x5806294f
Faulting module name: VBoxService.exe, version: 5.1.8.11374, time stamp: 0x5806294f
Exception code: 0xc0000005
Fault offset: 0x0004e060
Faulting process id: 0x148
Faulting application start time: 0x01d229ee825251a2
Faulting application path: C:\Windows\System32\VBoxService.exe
Faulting module path: C:\Windows\System32\VBoxService.exe
Report Id: 3496c096-95e2-11e6-b2e6-08002785e35e
}}}


Any help really appreciated to debug and get updating of the guest additions working from the host cli (as it appears a few people are experiencing these issues).



",Southdave
16101,Windows guest desktop refresh rate is assumed to be 60Hz,VirtualBox 5.1.8,Windows,2016-10-21T19:14:01Z,2016-11-28T18:29:38Z,2016-11-28T18:29:38Z,"Host: Lubuntu 16.04 x86-64, Nvidia binary driver
Guest: Windows XP SP3

The host desktop vertical refresh rate is 50Hz.

The XP guest emulated vertical refresh rate is 60Hz. For example, Display Properties -> Advanced -> Monitor tab allows only one setting for Screen refresh rate: 60 Hertz.

Programs running in the guest which calibrate their timing to the Windows desktop refresh rate ""see"" a refresh rate of 60Hz, not the host's actual 50Hz rate.

To fix that, perhaps the guest graphics driver could have other selectable refresh rates?",Donuts
16167,Clipper directory() and shared folders inconsistency,VirtualBox 5.1.8,Windows,2016-11-07T19:56:28Z,2016-11-07T19:56:28Z,2016-11-07T19:56:28Z,"Hi,
I'm using a VM with xp sp3 (home edition) as guest and Win10 Home as host.
Under the VM I develop using the old Ca-clipper compiler: the compiler and the sources, together with the files for testing, are stored on the hd of Win10 and I access them by shared folders on the VM.
When I use CA-Clipper directory() function to get a list of files stored on a shared folder, the return value (directory() returns an array of filenames) is empty, like in the folder there isn't any file.
I investigated deeply and I found that if in the folders there are no more than 8 files the function returns a correct array.
Then I copied all the test shared folder, locally on the hd of the VM, and when I launched the program and tested the directory() function, it runs without any problem and returns all the filenames that are stored on the folder, no matter if they are more then 8, 1000, or more.
To be sure that it's not a Clipper related problem (maybe with shared folders), I tested the program with WMWare. I exported the Virtualbox VM and then imported in WmWare, created the shared folders (like in Virtualbox) and launched the program to read the content of shared folder: in this case there was any problem and the content of the test (shared) folder was returned entirely. So I think the problem is related to VirtualBox.
Regards,
Marco",mark63
16205,Can't open a Word document located in shared folder,VirtualBox 5.1.8,Windows,2016-11-19T17:27:39Z,2016-11-19T17:27:39Z,2016-11-19T17:27:39Z,"I upgraded to 5.1.8, but I can't open Word files (.docx or .doc) located on the shared folder anymore (message: ""non è possibile aprire"" is ""it is not possible open""). Moreover if I try to move a Word file from the shared folder to the desktop an error message come out (error 0x80070057: the parameter is incorrect).
Excel files open and move without problem. 

Didn't have any problem with previous issue (don't remember exactly the last, but sure 4 and something else)",reboox
16262,shared folder not write-able for non-root users for special windows folders,VirtualBox 5.1.10,Linux,2016-12-03T16:01:53Z,2016-12-05T08:13:01Z,2016-12-05T08:13:01Z,"I would like to mount the Windows ''Downloads'' directory as a shared folder, but the mounted folder is not writable to regular users. Yet the root user can still write to it.

Played all mount options but to no avail: the permissions of all files and sub-folders in the mounted folder are correctly set, and the issue is about the permission bits of the mount point itself. Tried to mount a sub-folder in the ''Downloads'', then the permission bit is correct.

{{{
    C:\Users\opensrc\Downloads     -> Downloads: dr-xr-xr-x
    C:\Users\opensrc\Downloads\Sub -> Subfolder: drwxr-xr-x
}}}

Wonder why the ''Downloads'' folder is treated differently.
",opensrc
16293,memory can't be written,VirtualBox 5.1.4,Windows,2016-12-15T13:50:37Z,2016-12-15T13:50:37Z,2016-12-15T13:50:37Z,"tried to create common folder and got bug with nulls and message ""memory can't be written"".
i remove this version of VBox and install 4.1.4, and now it works
fix this bug in 5.1.4 pls :)",ilyarik
16301,Cut off top and bottom on full screen,VirtualBox 5.0.22,Windows,2016-12-17T09:41:39Z,2016-12-17T09:41:39Z,2016-12-17T09:41:39Z,"Preconditions:
- Host: Linux Mint 17.3 64bit
- Guest: Windows 7 64bit
- Guest additions installed
- Fullscreen mode on (host+f)

Reproduction route:
1. lock guest windows (Win+l)
2. leave fullscreen (Host+f)
3. go back to fullscreen (Host+f)
4. click to unlock guest windows

Expected: Fullscreen covers all area
Actual: Top and bottom of the screen are cut off",JanuszWirtualizacji
16309,VBoxtray and VBoxservice sometimes block  windows 7 guest responsiveness,VirtualBox 5.0.30,Windows,2016-12-20T16:46:44Z,2016-12-20T23:32:31Z,2016-12-20T23:32:31Z,"Since this fall my windows 7-64 guest occasionally stops responding to mic, mouse, and keyboard input and seems to hang. This typically happens when the host and guest interact, as in a drag-and-drop, or when two windows programs that both interact with the host seem to tangle (e.g. word and dragon naturally speaking). In fact the guest is not hung, as it's fully responsive to sending the ctrl-alt-delete signal and starting the task manager--which shows the same minimal responsiveness. I've ""solved"" the problem using VBoxManager guestcontrol to taskkill vboxtray or vboxservice, which I then restart inside the guest. 
Host: Linux Mint17.3x64 KDE fully patched, kernel 4.4.39

Log file attached.",matthewls
16329,Corruption when accessing files via Shared Folders,VirtualBox 5.1.12,Linux,2016-12-26T01:20:30Z,2016-12-28T19:36:57Z,2016-12-28T19:36:57Z,"I am seeing intermittent file corruption when checking a borgbackup repository via a Shared Folder

Host is Ubuntu x64 16.04 using Virtualbox 5.1.12
Guest is Ubuntu Mint x64 16.10

Here is the output of 5 sequential runs of the same command to verify the repository, you can see that some detect errors and others don't.  The errors that are detected are different between runs as well.


{{{
jlmcgraw@mate1604:~$ borgbackup check /media/sf_Shared_Folder/borg_vm_backups/
Segment entry checksum mismatch [segment 273, offset 8]
Index object count mismatch. 117954 != 117952
Completed repository check, errors found.

jlmcgraw@mate1604:~$ borgbackup check /media/sf_Shared_Folder/borg_vm_backups/
Enter passphrase for key /media/sf_Shared_Folder/borg_vm_backups: 

jlmcgraw@mate1604:~$ borgbackup check /media/sf_Shared_Folder/borg_vm_backups/
Enter passphrase for key /media/sf_Shared_Folder/borg_vm_backups: 

jlmcgraw@mate1604:~$ borgbackup check /media/sf_Shared_Folder/borg_vm_backups/
Segment entry checksum mismatch [segment 155, offset 2726665]
Index object count mismatch. 117954 != 117951
Completed repository check, errors found.

jlmcgraw@mate1604:~$ borgbackup check /media/sf_Shared_Folder/borg_vm_backups/
Enter passphrase for key /media/sf_Shared_Folder/borg_vm_backup
}}}


I'm unable to recreate the errors when checking the repository from the host machine.

I've also noticed occasional errors in files hosted on the shared folder in other applications as well.  E.g. unzipping a file, errors about duplicity archive errors etc etc so the problem isn't just limited to borg

I will run memory diagnostics again tonight just to be sure, I've run them before and found no errors.

",jlm
16360,vbox guest additions disable gnome graphical login,VirtualBox 5.1.12,Linux,2017-01-05T23:10:07Z,2017-01-23T20:31:01Z,2017-01-23T20:31:01Z,"There appears to be a bug with the VirtualBox Guest Additions for Linux that results in this error:

'''gnome-keyring-daemon[PID]: failed to unlock login keyring on startup'''

System Installs/Updates and configurations seem to behave as expected. 

However, I've performed this process 4 times; after installing the guest additions (either from the GUI/or in the terminal) the Gnome GUI login becomes unusable. SSH Logins still work as they are not reliant on the gnome-keyring. 

I have all the logs to support this issue. I will make the attempt to attach them. If they are not present please contact me with other options. 

== The Mechanics ==
'''The Host''' OS X Yosemite (10.10.5)
{{{
vboxmanage list hostinfo 
Host Information:

Host time: 2017-01-05T18:50:17.676000000Z
Processor online count: 8
Processor count: 8
Processor online core count: 4
Processor core count: 4
Processor supports HW virtualization: yes
Processor supports PAE: yes
Processor supports long mode: yes
Processor supports nested paging: yes
Processor#0 speed: 2600 MHz
Processor#0 description: Intel(R) Core(TM) i7-4960HQ CPU @ 2.60GHz
Processor#1 speed: 2600 MHz
Processor#1 description: Intel(R) Core(TM) i7-4960HQ CPU @ 2.60GHz
Processor#2 speed: 2600 MHz
Processor#2 description: Intel(R) Core(TM) i7-4960HQ CPU @ 2.60GHz
Processor#3 speed: 2600 MHz
Processor#3 description: Intel(R) Core(TM) i7-4960HQ CPU @ 2.60GHz
Processor#4 speed: 2600 MHz
Processor#4 description: Intel(R) Core(TM) i7-4960HQ CPU @ 2.60GHz
Processor#5 speed: 2600 MHz
Processor#5 description: Intel(R) Core(TM) i7-4960HQ CPU @ 2.60GHz
Processor#6 speed: 2600 MHz
Processor#6 description: Intel(R) Core(TM) i7-4960HQ CPU @ 2.60GHz
Processor#7 speed: 2600 MHz
Processor#7 description: Intel(R) Core(TM) i7-4960HQ CPU @ 2.60GHz
Memory size: 16384 MByte
Memory available: 3557 MByte
Operating system: Darwin
Operating system version: 14.5.0
}}}

'''VirtualBox'''
{{{
vboxmanage --version
5.1.12r112440
}}}

'''The Guest'''
{{{
vboxmanage showvminfo ""F25_max""
Name:            F25_max
Groups:          /client_linux
Guest OS:        Fedora (64-bit)
UUID:            997eb8e8-ee61-461e-a8ea-5992ce5fecae
Config file:     /Users/myUser/vms/vbox/client_linux/F25_max/F25_max.vbox
Snapshot folder: /Users/myUser/vms/vbox/client_linux/F25_max/Snapshots
Log folder:      /Users/myUser/vms/vbox/client_linux/F25_max/Logs
Hardware UUID:   997eb8e8-ee61-461e-a8ea-5992ce5fecae
Memory size:     4096MB
Page Fusion:     off
VRAM size:       64MB
CPU exec cap:    100%
HPET:            off
Chipset:         piix3
Firmware:        BIOS
Number of CPUs:  1
PAE:             off
Long Mode:       on
Triple Fault Reset: off
APIC:            on
X2APIC:          on
CPUID Portability Level: 0
CPUID overrides: None
Boot menu mode:  message and menu
Boot Device (1): DVD
Boot Device (2): HardDisk
Boot Device (3): Not Assigned
Boot Device (4): Not Assigned
ACPI:            on
IOAPIC:          on
BIOS APIC mode:  APIC
Time offset:     0ms
RTC:             UTC
Hardw. virt.ext: on
Nested Paging:   on
Large Pages:     on
VT-x VPID:       on
VT-x unr. exec.: on
Paravirt. Provider: Default
Effective Paravirt. Provider: KVM
State:           running (since 2017-01-05T14:30:03.103000000)
Monitor count:   1
3D Acceleration: on
2D Video Acceleration: off
Teleporter Enabled: off
Teleporter Port: 0
Teleporter Address: 
Teleporter Password: 
Tracing Enabled: off
Allow Tracing to Access VM: off
Tracing Configuration: 
Autostart Enabled: off
Autostart Delay: 0
Default Frontend: 
Storage Controller Name (0):            IDE
Storage Controller Type (0):            PIIX4
Storage Controller Instance Number (0): 0
Storage Controller Max Port Count (0):  2
Storage Controller Port Count (0):      2
Storage Controller Bootable (0):        on
Storage Controller Name (1):            SATA
Storage Controller Type (1):            IntelAhci
Storage Controller Instance Number (1): 0
Storage Controller Max Port Count (1):  30
Storage Controller Port Count (1):      1
Storage Controller Bootable (1):        on
IDE (1, 0): /Applications/VirtualBox.app/Contents/MacOS/VBoxGuestAdditions.iso (UUID: 8d677575-7f59-45ab-b7e4-00348ca43f57) (temp eject)
SATA (0, 0): /Users/myUser/vms/vbox/client_linux/F25_max/F25_max.vdi (UUID: 237f88ad-0eb4-496e-a1bb-36b9c4dddc0b)
NIC 1:           MAC: 080027EE946B, Attachment: Bridged Interface 'en0: Wi-Fi (AirPort)', Cable connected: on, Trace: off (file: none), Type: 82540EM, Reported speed: 0 Mbps, Boot priority: 0, Promisc Policy: deny, Bandwidth group: none
NIC 2:           disabled
NIC 3:           disabled
NIC 4:           disabled
NIC 5:           disabled
NIC 6:           disabled
NIC 7:           disabled
NIC 8:           disabled
Pointing Device: USB Tablet
Keyboard Device: PS/2 Keyboard
UART 1:          disabled
UART 2:          disabled
UART 3:          disabled
UART 4:          disabled
LPT 1:           disabled
LPT 2:           disabled
Audio:           enabled (Driver: CoreAudio, Controller: AC97, Codec: AD1980)
Clipboard Mode:  Bidirectional
Drag and drop Mode: disabled
Session name:    GUI/Qt
Video mode:      800x600x32 at 0,0 enabled
VRDE:            disabled
USB:             enabled
EHCI:            enabled
XHCI:            disabled

USB Device Filters:

<none>

Available remote USB devices:

<none>

Currently Attached USB Devices:

<none>

Bandwidth groups:  <none>

Shared folders:  

Name: 'code', Host path: '/Users/myUser/code' (machine mapping), writable

VRDE Connection:    not active
Clients so far:     0

Video capturing:    not active
Capture screens:    0
Capture file:       /Users/myUser/vms/vbox/client_linux/F25_max/F25_max.webm
Capture dimensions: 1024x768
Capture rate:       512 kbps
Capture FPS:        25

Description:
F25 build for Max.
Guest:

Configured memory balloon size:      0 MB
OS type:                             Linux26_64
Additions run level:                 2
Additions version:                   5.1.12 r112440


Guest Facilities:

Facility ""VirtualBox Base Driver"": active/running (last update: 2017/01/05 17:08:18 UTC)
Facility ""VirtualBox System Service"": active/running (last update: 2017/01/05 17:22:11 UTC)
Facility ""Seamless Mode"": not active (last update: 2017/01/05 17:08:18 UTC)
Facility ""Graphics Mode"": not active (last update: 2017/01/05 17:08:18 UTC)
}}}



== The Process ==

Install F25 OS: 
  * accept all defaults.
  * Set root password
  * Create new user

Reboot the system:

`sudo poweroff --reboot`
--------------------------------------------------------------------------------

Gnome GUI login: successful.

Modify sudoers file: only the last line has changed.
Before:

{{{
$ sudo egrep -v '^(#|$)' /etc/sudoers
....
%wheel	ALL=(ALL)	ALL}}}

After:

{{{$ sudo egrep -v '^(#|$)' /etc/sudoers
Defaults   !visiblepw
Defaults    env_reset
Defaults    env_keep =  ""COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS""
Defaults    env_keep += ""MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE""
Defaults    env_keep += ""LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES""
Defaults    env_keep += ""LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE""
Defaults    env_keep += ""LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY""
Defaults    secure_path = /sbin:/bin:/usr/sbin:/usr/bin
root	ALL=(ALL) 	ALL
%wheel	ALL=(ALL)	NOPASSWD: ALL
}}}


ssh login: successful.


{{{
journalctl --list-boots
 0 94d4de4733c640ce8722b8705438184e Wed 2017-01-04 19:15:46 CST—Wed 2017-01-04 19:31:02 CST
}}}

Full log since last boot:

`journalctl -b > boot-0.out`

Logged errors since last boot:

`journalctl -b -p err > boot-0-errors.out`



'''Update OS'''

`sudo dnf -y upgrade | tee -a dnf-upgrade.out`

Packages, versions, etc:

`rpm -qa --queryformat ""%{NAME}-%{VERSION}-%{RELEASE}\n"" > rpm-upgrade-packages.out`

Reboot the system:

`sudo poweroff --reboot`


SEE Logs: 
  * boot-0.out
  * boot-0-errors.out
  * dnf-upgrade.out
  * rpm-upgrade-packages.out

--------------------------------------------------------------------------------


Gnome GUI login: successful.
ssh login: successful.


{{{
journalctl --list-boots
-1 94d4de4733c640ce8722b8705438184e Wed 2017-01-04 19:15:46 CST—Wed 2017-01-04 19:55:32 CST
 0 e9c7b5d03ef943afa2617f0d898f1bc6 Wed 2017-01-04 19:55:40 CST—Wed 2017-01-04 19:58:05 CST
}}}

Full log since last boot:

`journalctl -b > logs/boot-1.out`

Logged errors since last boot:

`journalctl -b -p err > logs/boot-1-errors.out`



Prep to install VirtualBox

Add ENV VARS to `~/.bashrc` (Under: User specific aliases and functions)

{{{
$ cat ~/.bashrc 
# .bashrc

# Source global definitions
if [ -f /etc/bashrc ]; then
	. /etc/bashrc
fi

# Uncomment the following line if you don't like systemctl's auto-paging feature:
# export SYSTEMD_PAGER=

# User specific aliases and functions
############################################################################### 
###                                  System                                 ### 
############################################################################### 
export KERN_DIR=""/usr/src/kernels/$(uname -r)""

############################################################################### 
###                                VirtualBox                               ### 
############################################################################### 
export VBOX_USER_HOME=""$HOME/vms""
}}}


Source-in ~/.bashrc

`source ~/.bashrc`

{{{
echo ""$KERN_DIR""
/usr/src/kernels/4.8.15-300.fc25.x86_64

uname -a
Linux guihost 4.8.15-300.fc25.x86_64 #1 SMP Thu Dec 15 23:10:23 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

echo ""$VBOX_USER_HOME""
/home/myUser/vms
}}}


Update OS

`sudo dnf -y install dkms kernel-headers gcc kernel-devel  | tee -a logs/dnf-install-vbox-support.out`

Packages, versions, etc:

`rpm -qa --queryformat ""%{NAME}-%{VERSION}-%{RELEASE}\n"" > logs/rpm-post-vbox-support.out`


{{{
diff logs/rpm-upgrade-packages.out logs/rpm-post-vbox-support.out 
53a54
> dkms-2.3-1.20161202gitde1dca9.fc25
1452a1454
> kernel-devel-4.8.15-300.fc25
}}}

Reboot the system:

`sudo poweroff --reboot`

SEE Logs: 
  * boot-1.out
  * boot-1-errors.out
  * dnf-install-vbox-support.out
  * rpm-post-vbox-support.out


--------------------------------------------------------------------------------


Gnome GUI login: successful.
ssh login: successful.


{{{
journalctl --list-boots
-2 94d4de4733c640ce8722b8705438184e Wed 2017-01-04 19:15:46 CST—Wed 2017-01-04 19:55:32 CST
-1 e9c7b5d03ef943afa2617f0d898f1bc6 Wed 2017-01-04 19:55:40 CST—Wed 2017-01-04 20:09:49 CST
 0 bd1ee979bf85487ca8fb2d05ed94167b Wed 2017-01-04 20:09:57 CST—Wed 2017-01-04 20:11:16 CST
}}}


Full log since last boot:

`journalctl -b > logs/boot-2.out`

Logged errors since last boot:

`journalctl -b -p err > logs/boot-2-errors.out`


Verify variables still expand properly:

{{{
echo ""$KERN_DIR""
/usr/src/kernels/4.8.15-300.fc25.x86_64

uname -a
Linux guihost 4.8.15-300.fc25.x86_64 #1 SMP Thu Dec 15 23:10:23 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

echo ""$VBOX_USER_HOME""
/home/myUser/vms
}}}
----------

Check SELinux Issues:
{{{
sudo ausearch -m avc > logs/boot-2-avcs.out
----
time->Wed Jan  4 19:41:30 2017
type=AVC msg=audit(1483580490.614:387): avc:  denied  { create } for  pid=1 comm=""systemd"" scontext=system_u:system_r:init_t:s0 tcontext=system_u:system_r:unconfined_service_t:s0 tclass=unix_stream_socket permissive=0

date -d @1483580490.614
Wed Jan  4 19:41:30 CST 2017
}}}

The Fix:
{{{
sudo ausearch -c 'systemd' --raw | audit2allow -M  systemdCreate
sudo semodule -i systemdCreate.pp
}}}

----------

Reboot the system:

`sudo poweroff --reboot`

SEE Logs: 
  * boot-2.out
  * boot-2-errors.out
  * logs/boot-2-avcs.out
  * SELinux Policy: logs/selinux/systemdCreate.pp

--------------------------------------------------------------------------------


Gnome GUI login: successful.
ssh login: successful.


{{{
journalctl --list-boots
-3 94d4de4733c640ce8722b8705438184e Wed 2017-01-04 19:15:46 CST—Wed 2017-01-04 19:55:32 CST
-2 e9c7b5d03ef943afa2617f0d898f1bc6 Wed 2017-01-04 19:55:40 CST—Wed 2017-01-04 20:09:49 CST
-1 bd1ee979bf85487ca8fb2d05ed94167b Wed 2017-01-04 20:09:57 CST—Thu 2017-01-05 04:54:52 CST
 0 fe804aceaae24d818fd2beb53f7a3333 Thu 2017-01-05 04:43:15 CST—Thu 2017-01-05 11:04:10 CST
}}}


Full log since last boot:

`journalctl -b > logs/boot-3.out`

Logged errors since last boot:

`journalctl -b -p err > logs/boot-3-errors.out`

  * Still nothing related to the gnome-keyring.

----------

Check SELinux Issues:

`sudo ausearch -m avc > logs/boot-3-avcs.out`  

   * Nothing new since the last check.

----------

Install the vbox guest additions:

1. Insert the CD (from VM menu)
2. GUI: authenticate 
3. Installed without errors to stdOut
4. Saved logs:
      `journalctl -b -p err > logs/boot-3-errors-vbox.out` 
      (no vbox-related errors)
5. Saved logs:
      `journalctl -b | grep vboxadd.sh > logs/boot-3-vbox-install.out`


Reboot the system:

`sudo poweroff --reboot`

SEE Logs: 
  * logs/boot-3.out
  * logs/boot-3-errors.out
  * logs/boot-3-avcs.out
  * logs/boot-3-errors-vbox.out
  * logs/boot-3-vbox-install.out
  * SELinux Policy: logs/selinux/systemdCreate.pp

--------------------------------------------------------------------------------


ssh login: successful.


{{{
journalctl --list-boots
-4 94d4de4733c640ce8722b8705438184e Wed 2017-01-04 19:15:46 CST—Wed 2017-01-04 19:55:32 CST
-3 e9c7b5d03ef943afa2617f0d898f1bc6 Wed 2017-01-04 19:55:40 CST—Wed 2017-01-04 20:09:49 CST
-2 bd1ee979bf85487ca8fb2d05ed94167b Wed 2017-01-04 20:09:57 CST—Thu 2017-01-05 04:54:52 CST
-1 fe804aceaae24d818fd2beb53f7a3333 Thu 2017-01-05 04:43:15 CST—Thu 2017-01-05 11:21:49 CST
 0 decb47c63de742689f3b497016126f04 Thu 2017-01-05 05:01:51 CST—Thu 2017-01-05 11:24:02 CST
}}}


Full log since last boot:

`journalctl -b > logs/boot-4.out`

Logged errors since last boot:

`journalctl -b -p err > logs/boot-4-errors.out`
  * ERRORS: gnome-shell/pulseaudio

----------

Check SELinux Issues:

`sudo ausearch -m avc > logs/boot-4-avcs.out`
  * ERRORS: gnome-shell/pulseaudio

----------

Check running processes: (before first login attempt)
{{{
ps aux | grep key
myUser    1688  0.0  0.0 119372   912 pts/0    S+   11:32   0:00 grep --color=auto key
}}}


Gnome GUI login: FAIL.
These log entries detail a gnome/GUI login failure: attempt 1
{{{
Jan 05 11:29:15 guihost audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='unit=fprintd comm=""systemd"" exe=""/usr/lib/systemd/systemd"" hostname=? addr=? terminal=? res=success'
Jan 05 11:29:24 guihost audit[1568]: USER_AUTH pid=1568 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='op=PAM:authentication grantors=pam_unix,pam_gnome_keyring acct=""myUser"" exe=""/usr/libexec/gdm-session-worker"" hostname=? addr=? terminal=/dev/tty1 res=success'
Jan 05 11:29:24 guihost audit[1568]: USER_ACCT pid=1568 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='op=PAM:accounting grantors=pam_unix,pam_localuser acct=""myUser"" exe=""/usr/libexec/gdm-session-worker"" hostname=? addr=? terminal=/dev/tty1 res=success'
Jan 05 11:29:24 guihost audit[1568]: CRED_ACQ pid=1568 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='op=PAM:setcred grantors=pam_unix,pam_gnome_keyring acct=""myUser"" exe=""/usr/libexec/gdm-session-worker"" hostname=? addr=? terminal=/dev/tty1 res=success'
Jan 05 11:29:24 guihost audit[1568]: USER_ROLE_CHANGE pid=1568 uid=0 auid=1000 ses=4 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='pam: default-context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 selected-context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 exe=""/usr/libexec/gdm-session-worker"" hostname=? addr=? terminal=/dev/tty2 res=success'
Jan 05 11:29:24 guihost systemd[1]: Started Session 4 of user myUser.
Jan 05 11:29:24 guihost systemd-logind[711]: New session 4 of user myUser.
Jan 05 11:29:24 guihost gdm-password][1568]: pam_unix(gdm-password:session): session opened for user myUser by (uid=0)
Jan 05 11:29:25 guihost audit[1568]: USER_START pid=1568 uid=0 auid=1000 ses=4 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='op=PAM:session_open grantors=pam_selinux,pam_loginuid,pam_selinux,pam_keyinit,pam_namespace,pam_keyinit,pam_limits,pam_systemd,pam_unix,pam_gnome_keyring acct=""myUser"" exe=""/usr/libexec/gdm-session-worker"" hostname=? addr=? terminal=/dev/tty2 res=success'
Jan 05 11:29:25 guihost audit[1568]: USER_LOGIN pid=1568 uid=0 auid=1000 ses=4 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='uid=1000 exe=""/usr/libexec/gdm-session-worker"" hostname=? addr=? terminal=? res=success'
Jan 05 11:29:25 guihost systemd[1489]: Started D-Bus User Message Bus.
Jan 05 11:29:25 guihost dbus-daemon[1593]: [session uid=1000 pid=1593] Activating via systemd: service name='org.gtk.vfs.Daemon' unit='gvfs-daemon.service' requested by ':1.5' (uid=1000 pid=1614 comm=""/usr/libexec/gnome-initial-setup-copy-worker "" label=""unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023"")
Jan 05 11:29:25 guihost kernel: fuse init (API version 7.25)
Jan 05 11:29:25 guihost systemd[1489]: Starting Virtual filesystem service...
Jan 05 11:29:25 guihost dbus-daemon[1593]: [session uid=1000 pid=1593] Successfully activated service 'org.gtk.vfs.Daemon'
Jan 05 11:29:25 guihost systemd[1489]: Started Virtual filesystem service.
Jan 05 11:29:25 guihost gnome-keyring-ssh.desktop[1624]: SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
Jan 05 11:29:25 guihost gnome-keyring-secrets.desktop[1626]: SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
Jan 05 11:29:25 guihost org.gnome.Shell.desktop[1641]: pci id for fd 9: 80ee:beef, driver (null)
Jan 05 11:29:25 guihost gnome-shell[1641]: Unable to initialize Clutter: Unable to initialize the Clutter backend: no available drivers found.
Jan 05 11:29:25 guihost gnome-shell[1641]: Unable to initialize Clutter.
Jan 05 11:29:25 guihost gnome-session[1598]: gnome-session-binary[1598]: WARNING: App 'org.gnome.Shell.desktop' exited with code 1
Jan 05 11:29:25 guihost gnome-session-binary[1598]: WARNING: App 'org.gnome.Shell.desktop' exited with code 1
Jan 05 11:29:25 guihost gnome-session-binary[1598]: Unrecoverable failure in required component org.gnome.Shell.desktop
Jan 05 11:29:25 guihost gdm-password][1568]: pam_unix(gdm-password:session): session closed for user myUser
Jan 05 11:29:25 guihost audit[1568]: USER_END pid=1568 uid=0 auid=1000 ses=4 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='op=PAM:session_close grantors=pam_selinux,pam_loginuid,pam_selinux,pam_keyinit,pam_namespace,pam_keyinit,pam_limits,pam_systemd,pam_unix,pam_gnome_keyring acct=""myUser"" exe=""/usr/libexec/gdm-session-worker"" hostname=? addr=? terminal=/dev/tty2 res=success'
Jan 05 11:29:25 guihost audit[1568]: USER_LOGOUT pid=1568 uid=0 auid=1000 ses=4 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='uid=1000 exe=""/usr/libexec/gdm-session-worker"" hostname=? addr=? terminal=? res=success'
Jan 05 11:29:25 guihost audit[1568]: CRED_DISP pid=1568 uid=0 auid=1000 ses=4 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='op=PAM:setcred grantors=pam_unix,pam_gnome_keyring acct=""myUser"" exe=""/usr/libexec/gdm-session-worker"" hostname=? addr=? terminal=/dev/tty2 res=success'
Jan 05 11:29:25 guihost gdm[917]: GdmDisplay: display lasted 0.391821 seconds
}}}
----

Check running processes: (after first login attempt)
{{{
ps aux | grep key
myUser    1580  0.0  0.1 323520  7200 ?        Sl   11:29   0:00 /usr/bin/gnome-keyring-daemon --daemonize --login
myUser    1688  0.0  0.0 119372   912 pts/0    S+   11:32   0:00 grep --color=auto key
}}}

Check running processes: (after second login attempt)
{{{
ps aux | grep key
myUser    1580  0.0  0.1 323520  7200 ?        Sl   11:29   0:00 /usr/bin/gnome-keyring-daemon --daemonize --login
myUser    1703  0.0  0.1 323524  7128 ?        Sl   11:33   0:00 /usr/bin/gnome-keyring-daemon --daemonize --login
myUser    1763  0.0  0.0 119372   980 pts/0    S+   11:33   0:00 grep --color=auto key
}}}

Additional gnome-keyring-daemon processes will persist with each failed login entry.

----------


Save full log:

`journalctl > logs/boot-4-complete.out`

Shut down the system:

`sudo poweroff`

SEE Logs: 
  * logs/boot-4.out
  * logs/boot-4-errors.out
  * logs/boot-4-avcs.out
  * logs/boot-4-complete.out



'''Observations:'''

After uninstalling the guest additions the problem is resolved. However, the mouse misbehaves; the host/virtual pointer never line up again.

Please let me know if you should need anything else.


Thanks in advance,

TT",Todd E Thomas
16410,Keyboard capturing sometimes not working,VirtualBox 5.1.14,Windows,2017-01-20T12:19:25Z,2017-01-20T19:04:41Z,2017-01-20T19:04:41Z,Since upgrade to 5.1.12 my keyboard is sometimes not automatically captured when I change between host and guest. I'm running a Windows 7 Professional guest on a Ubuntu 16.04 host with current host extensions installed.,Mellon
16417,vboxsf crashes process or VM in case of many file stat operations on shared vboxsf file system in a short time,VirtualBox 5.1.14,Linux,2017-01-23T08:42:05Z,2017-07-20T17:23:49Z,2017-07-20T17:23:49Z,"We use a vagrant based toolchain to automatically generate VMs for executing unit tests. They run on Ubuntu 16.04 LTS 64-bit hosts, and the VMs themselves contain various different older and newer Linux distributions. We use current VirtualBox 5.1.14 and also the 5.1.14 guest tools.

Quite a significant percentage (10-20%) of our VM deployments was not successful. In case of ""default"" paravirtualization using KVM, the whole VM freezes, and the VBox.log file just says:

{{{
00:00:42.027263 VMMDev: vmmDevHeartbeatFlatlinedTimer: Guest seems to be unresponsive. Last heartbeat received 4 seconds ago
}}}

If using the ""minimal"" paravirtualization, VM operation continues, just the unit test process itself dies (see log below). This happens consistently at the same place where there are many stat() calls made to get the ctime information of many thousands of (empty) cache files on a shared vboxsf file system, before outdated files are supposed to be cleaned up. If I remove this code part, the error does not occur any more. Therefore my (uneducated) assumption is that it could be related to running many stat operations in a short time. Here's the stack trace as found in /var/log/kern.log in the instance.

{{{
Jan 21 22:23:14 vagrant kernel: [    8.021389] vboxsf: Successfully loaded version 5.1.14 (interface 0x00010004)
Jan 21 22:23:14 vagrant kernel: [    8.328536] VBoxService 5.1.14 r112924 (verbosity: 0) linux.amd64 (Jan 16 2017 17:38:46) release log
Jan 21 22:23:14 vagrant kernel: [    8.328536] 00:00:00.000093 main     Log opened 2017-01-21T22:23:14.323839000Z
Jan 21 22:23:14 vagrant kernel: [    8.328566] 00:00:00.000154 main     OS Product: Linux
Jan 21 22:23:14 vagrant kernel: [    8.328578] 00:00:00.000170 main     OS Release: 3.16.0-4-amd64
Jan 21 22:23:14 vagrant kernel: [    8.328589] 00:00:00.000182 main     OS Version: #1 SMP Debian 3.16.39-1 (2016-12-30)
Jan 21 22:23:14 vagrant kernel: [    8.328614] 00:00:00.000193 main     Executable: /opt/VBoxGuestAdditions-5.1.14/sbin/VBoxService
Jan 21 22:23:14 vagrant kernel: [    8.328614] 00:00:00.000194 main     Process ID: 1028
Jan 21 22:23:14 vagrant kernel: [    8.328614] 00:00:00.000195 main     Package type: LINUX_64BITS_GENERIC
Jan 21 22:23:14 vagrant kernel: [    8.329284] 00:00:00.000860 main     5.1.14 r112924 started. Verbose level = 0
Jan 21 22:27:01 vagrant kernel: [  233.348410] VBOXGUEST_IOCTL_HGCM_CALL: 64 Failed. rc=-228.
Jan 21 22:27:01 vagrant kernel: [  233.348430] general protection fault: 0000 [#1] SMP 
Jan 21 22:27:01 vagrant kernel: [  233.348461] Modules linked in: vboxsf(O) nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc vboxvideo(O) ttm drm_kms_helper ppdev drm evdev vboxguest(O) crc32_pclmul i2c_piix4 pcspkr i2c_core serio_raw aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd parport_pc battery processor parport video thermal_sys ac button autofs4 ext4 crc16 mbcache jbd2 dm_mod sg sd_mod crc_t10dif crct10dif_generic ata_generic crct10dif_pclmul crct10dif_common crc32c_intel e1000 psmouse ata_piix libata scsi_mod
Jan 21 22:27:01 vagrant kernel: [  233.348614] CPU: 1 PID: 1925 Comm: otrs.UnitTest.p Tainted: G           O  3.16.0-4-amd64 #1 Debian 3.16.39-1
Jan 21 22:27:01 vagrant kernel: [  233.348661] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
Jan 21 22:27:01 vagrant kernel: [  233.348689] task: ffff8800797bcce0 ti: ffff88007bdcc000 task.ti: ffff88007bdcc000
Jan 21 22:27:01 vagrant kernel: [  233.348718] RIP: 0010:[<ffffffffa02666c1>]  [<ffffffffa02666c1>] VGDrvCommonIoCtl+0x261/0x1bf0 [vboxguest]
Jan 21 22:27:01 vagrant kernel: [  233.348763] RSP: 0018:ffff88007bdcfb98  EFLAGS: 00010282
Jan 21 22:27:01 vagrant kernel: [  233.348784] RAX: 00000000ffffff1c RBX: 0000a0007bdcfc84 RCX: 0000000000000001
Jan 21 22:27:01 vagrant kernel: [  233.348813] RDX: 0000000000000000 RSI: 000000000000002f RDI: ffff88007bdcf9a0
Jan 21 22:27:01 vagrant kernel: [  233.348842] RBP: 5f7c81f4149bd010 R08: 000000000000000a R09: 00000000000001c0
Jan 21 22:27:01 vagrant kernel: [  233.348870] R10: 0000000000000000 R11: ffff88007bdcf6be R12: 0000b00000000000
Jan 21 22:27:01 vagrant kernel: [  233.348898] R13: 1b3eed7500000000 R14: 5f7c81f4149bd064 R15: 5f7c81f4149bd010
Jan 21 22:27:01 vagrant kernel: [  233.348927] FS:  00007ff073ca7700(0000) GS:ffff88007fd00000(0000) knlGS:0000000000000000
Jan 21 22:27:01 vagrant kernel: [  233.348958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 21 22:27:01 vagrant kernel: [  233.348981] CR2: 00007ffec82d3ff8 CR3: 000000007bcd8000 CR4: 00000000000406e0
Jan 21 22:27:01 vagrant kernel: [  233.349008] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jan 21 22:27:01 vagrant kernel: [  233.349033] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Jan 21 22:27:01 vagrant kernel: [  233.349072] Stack:
Jan 21 22:27:01 vagrant kernel: [  233.349082]  001041ed149bd010 000003e900000000 00000002000003e9 013aa00300000902
Jan 21 22:27:01 vagrant kernel: [  233.349114]  0000000000000000 0000000000000000 ffff880023350880 0000006c00000004
Jan 21 22:27:01 vagrant kernel: [  233.349147]  ffff88007bdcfbfc 0000a00000020830 ffff88007b0c6000 ffffffffa03f877c
Jan 21 22:27:01 vagrant kernel: [  233.349178] Call Trace:
Jan 21 22:27:01 vagrant kernel: [  233.349194]  [<ffffffffa03f877c>] ? sf_stat+0x5c/0x110 [vboxsf]
Jan 21 22:27:01 vagrant kernel: [  233.349219]  [<ffffffffa03f88b0>] ? sf_inode_revalidate+0x80/0xd0 [vboxsf]
Jan 21 22:27:01 vagrant kernel: [  233.349246]  [<ffffffff811b5192>] ? __inode_permission+0x22/0xb0
Jan 21 22:27:01 vagrant kernel: [  233.349269]  [<ffffffff811b58e6>] ? link_path_walk+0x256/0x870
Jan 21 22:27:01 vagrant kernel: [  233.349292]  [<ffffffff811c281a>] ? __d_lookup+0x7a/0x150
Jan 21 22:27:01 vagrant kernel: [  233.349979]  [<ffffffffa03f8914>] ? sf_dentry_revalidate+0x14/0x20 [vboxsf]
Jan 21 22:27:01 vagrant kernel: [  233.350641]  [<ffffffff811b47de>] ? lookup_fast+0x25e/0x2b0
Jan 21 22:27:01 vagrant kernel: [  233.351302]  [<ffffffff811b6055>] ? path_lookupat+0x155/0x780
Jan 21 22:27:01 vagrant kernel: [  233.351927]  [<ffffffffa03fa6ee>] ? VbglR0SfCreate+0x7e/0xa0 [vboxsf]
Jan 21 22:27:01 vagrant kernel: [  233.352603]  [<ffffffff811b66a6>] ? filename_lookup+0x26/0xc0
Jan 21 22:27:01 vagrant kernel: [  233.353267]  [<ffffffff811ba8e4>] ? user_path_at_empty+0x54/0x90
Jan 21 22:27:01 vagrant kernel: [  233.353855]  [<ffffffff810ed71e>] ? from_kgid_munged+0xe/0x20
Jan 21 22:27:01 vagrant kernel: [  233.354431]  [<ffffffff811af53a>] ? cp_new_stat+0x13a/0x160
Jan 21 22:27:01 vagrant kernel: [  233.354976]  [<ffffffff811af0e6>] ? vfs_fstatat+0x46/0x90
Jan 21 22:27:01 vagrant kernel: [  233.355536]  [<ffffffff811af57a>] ? SYSC_newstat+0x1a/0x40
Jan 21 22:27:01 vagrant kernel: [  233.356067]  [<ffffffff8151adcd>] ? system_call_fast_compare_end+0x10/0x15
Jan 21 22:27:01 vagrant kernel: [  233.356577] Code: 01 b9 ff ff ff ff 48 89 da 4c 89 d6 4c 89 ef e8 b6 df ff ff 41 89 c7 0f 1f 00 48 83 c4 40 44 89 f8 5b 41 5c 41 5d 41 5e 41 5f 5d <c3> 66 0f 1f 44 00 00 49 83 f8 17 0f 86 34 0c 00 00 48 8d 83 00 
Jan 21 22:27:01 vagrant kernel: [  233.358611] RIP  [<ffffffffa02666c1>] VGDrvCommonIoCtl+0x261/0x1bf0 [vboxguest]
Jan 21 22:27:01 vagrant kernel: [  233.359118]  RSP <ffff88007bdcfb98>
Jan 21 22:27:01 vagrant kernel: [  233.359636] ---[ end trace 54b9778e1a5d744b ]---
}}}

For reference, here's the Perl code that is used to cleanup the (empty cache files):

{{{
my $Wanted = sub {

    # Skip nonregular files and directories.
    return if ( !-f $File::Find::name );
    my $Stat = File::stat::stat($File::Find::name);
    if ( $Stat && ( time() - $Stat->ctime() > $CacheTTLSeconds ) ) {    ## no critic
        unlink $File::Find::name;    # Don't die here, this could be removed in the background by another process too.
    }
};
File::Find::find( $Wanted, $CacheDir );
}}}

Less often, a similar error occurs during the vagrant provisioning of the instances, where we copy the source code of our project from the /vagrant shared vboxsf folder into the VM. Here just a simple ""cp -r"" is used during the deployment. It could be the same problem:

{{{
==> default: Copying OTRS code to /opt/otrs
==> default: cp: cannot stat â/vagrant/Sources/otrs/var/httpd/htdocs/js/thirdparty/ckeditor-4.5.6/plugins/mathjax/lang/cy.jsâ: Protocol error
}}}

Please let me know if I should try to provide additional information, and thanks a lot for taking a look at this.",mrtngrnr
16432,Unable to open sqlite database on shared folder,VirtualBox 5.1.14,Linux,2017-01-28T15:32:50Z,2018-08-22T16:43:17Z,2018-08-22T16:43:17Z,"When attempting to open an sqlite database on a shared folder it fails with ""Error: disk I/O error""

If I copy that same database from the shared folder locally to the VM then the open succeeds.
{{{
jlmcgraw@mate1604:~$ sqlite3 /media/sf_Shared_Folder/Recordings.db 
 SQLite version 3.14.1 2016-08-11 18:53:32
 Enter "".help"" for usage hints.
 sqlite> .tables
 
 Error: disk I/O error
 sqlite> .q

jlmcgraw@mate1604:~$ cp /media/sf_Shared_Folder/Recordings.db .

jlmcgraw@mate1604:~$ sqlite3 Recordings.db 
 SQLite version 3.14.1 2016-08-11 18:53:32
 Enter "".help"" for usage hints.

 sqlite> .tables
 ZDATABASEPROPERTY  ZRECORDING         Z_MODELCACHE     
 ZENTITYREVISION    Z_METADATA         Z_PRIMARYKEY     

 sqlite> .q
}}}",jlm
16441,Kernel Panic on Mac host when doing file operations on shared NFS drives,VirtualBox 5.1.14,other,2017-02-01T23:19:30Z,2017-02-27T21:25:34Z,2017-02-27T21:25:34Z,"Virtualbox causes a kernel panic on Mac OSX Sierra host when doing file operations on a shared NFS folder. There are many things that can trigger the panic, but deleting files is the easiest to reproduce.

Steps to reproduce:
{{{ 
# create a new folder
mkdir vagrant; cd vagrant
# copy both the attached vagrant box image (freebds-10.3-amd64-virtualbox.box) and the vagrantfile into this folder

# add the box to vagrant (this is the easiest way to reproducibly set up a vm)
vagrant box add freebsd-10.3-amd64-virtualbox.box --name local/freebsd
# provision the virtual machine (this will take a while)
vagrant up

# ssh into the virtual machine
vagrant ssh
# we have mounted a shared folder at /vagrant
cd /vagrant
# we need to perform file operations, and the most reproducible way I've found to do this is by creating and destroying a virtualenv
virtualenv venv
rm -rf venv  # this should crash the host
}}}

 ",logan-ncc
16457,Some menu categories in Linux guest OSes no longer populate,VirtualBox 5.1.14,Linux,2017-02-06T17:20:49Z,2017-04-21T14:43:31Z,2017-04-21T14:43:31Z,"Beginning with VirtualBox 5.1.14 r112924 and VirtualBox's corresponding Linux guest additions, certain menu categories in Linux Mint 18.1 Cinnamon and Chapeau Linux 24 guest OSes no longer populate. Specifically:

In Linux Mint 18.1 x64 Cinnamon, the following menu categories don't populate (i.e., are empty when selected):

* All Applications
* Accessories
* Administration
* Preferences
* Places

In Chapeau Linux, clicking on the ""All"" subpanel of Gnome 3.2's Activities > Applications panel causes all of the application icons to quickly flash onscreen and then disappear. The ""Frequent"" subpanel populates normally.

In Chapeau Linux with the Application Finder utility installed, the following menu categories in the Applications menu (which replaces the native Activities menu) don't populate:

* Accessories
* Utilities

If Application Finder itself is launched, all categories populate correctly.

Additional background:

* I'm running a Windows 7 x64 host.

* This problem did not occur with previous versions of VirtualBox. It began with the upgrade to VirtualBox 5.1.14 r112924 and installation of VirtualBox's corresponding Linux guest additions.

* This problem still does not occur in Linux Mint 18 ""Sarah"" Cinnamon.

* This problem does not occur with Linux Mint 18.1's own version of guest additions. (Unfortunately, Linux Mint's additions don't seem to support hardware rendering.)

* Because this bug prevents or hinders access to many applications, utilities, and settings via the GUI, I consider it major.",PierrePotame
16463,"""Operation not permitted"" on file in shared folder",VirtualBox 5.0.26,Linux,2017-02-07T21:33:01Z,2017-02-28T19:41:09Z,2017-02-28T19:41:09Z,"* Host: Windows 7 x64
* Guest: Linux CentOS 6.7 x64 ( VirtualBox Guest Additions 5.0.26 r108824 )

If you look at ticket #4890, which is very likely the same underlying issue, the most recent comment is still reporting the issue on 5.1.12

In a vbox shared folder:
{{{
[user@server ~]$ mount | grep vboxsf
sv on /sv type vboxsf (uid=500,gid=500,rw)
[user@server ~]$ sudo touch /sv/a.txt
[user@server ~]$ sudo chmod a-w /sv/a.txt
[user@server ~]$ sudo rm -f /sv/a.txt
rm: cannot remove `/sv/a.txt': Operation not permitted
[user@server ~]$ sudo chmod a+w /sv/a.txt
[user@server ~]$ sudo rm -f /sv/a.txt
[user@server ~]$
}}}

Not in a vbox shared folder:
{{{
[user@server ~]$ sudo touch /a.txt
[user@server ~]$ sudo chmod a-w /a.txt
[user@server ~]$ sudo rm -f /a.txt
[user@server ~]$
}}}

Possible related tickets:
* https://www.virtualbox.org/ticket/4890
* https://www.virtualbox.org/ticket/5568
* https://www.virtualbox.org/ticket/15083",bompus
16467,Unlink of locked file fails on shared folder,VirtualBox 5.1.14,Linux,2017-02-08T16:42:00Z,2017-02-08T16:42:00Z,2017-02-08T16:42:00Z,"I noticed that some programs crash, when working on data in a shared folder. I recorded the file operations with strace and was able to write a small program, that reproduces the error. The attached program basically acquires a lock on a file and then tries to delete it before closing.

To reproduce the error, execute the attached program in a Linux guest, on a Windows host. It prints ""Test failed"" when being executed in a shared folder. When executed outside the shared folder, it prints ""Test passed.""",egooo
16475,Enhancment - Self-ejecting VBoxGuestAdditions.iso,VirtualBox 5.1.14,all,2017-02-10T09:52:08Z,2017-02-10T09:52:08Z,2017-02-10T09:52:08Z,"There are a lot of problems when users forget to eject their VBoxGuestAdditions.iso right after installing the GAs. Then they upgrade and the UUIDs don't match, or clone the VM while on saved states, or getting VERR_PDM_MEDIA_LOCKED errors.

Please explore the possibilities to have the GAs ISO self-eject at the end of a successful installation.",Socratis
16487,Shared Folder /copying an overwriting modified text file causes error on Ubuntu 16 guest,VirtualBox 5.1.14,Linux,2017-02-16T03:10:30Z,2017-02-16T03:10:30Z,2017-02-16T03:10:30Z,"== Summary ==
*copying an overwriting modified text file causes error on Ubuntu 16 guest
after overwriting, file contains invalid characters. (can be check with Ubuntu's gedit) and sometimes missing characters.
One thing I found weird is, if you open the modified file in the shared folder from guest, it doesn't contain any invalid characters. Invalid character problem only rise when the file is overwritten to the folder in guest env.

*copying an overwritten text file steps can be found under 'How to reproduce the problem'

== How to reproduce the problem ==
1. (host OR guest) create a text file from the host shared folder
2. (guest) copy the shared file to any folder
3. (host) modify the file and save (if you modify the file from guest, it won't happen)
4. (guest) copy the modified file and overwrite it

== Attach a (full) log file ==
see the attached log file

Thank you for the great SW!",haku
16520,Windows 7 guest does not fill out all the screen on mac,VirtualBox 5.1.14,Windows,2017-02-28T15:53:22Z,2017-02-28T18:01:28Z,2017-02-28T18:01:28Z,"I installed virtualbox 5.1.14 and the Extension Pack as well to run Windows 7 as a guest on macbook pro. Everything is fine except that Windows 7 does not fill out the screen (even though I have it on full screen).

Any help would be appreciated. 

",SG07
16529,Linux guest additions update creates spurious initramfs copies,VirtualBox 5.1.14,Linux,2017-03-03T00:05:53Z,2017-06-25T15:13:43Z,2017-06-25T15:13:43Z,"With a Win7-X64 host and a CentOS7 guest, I've been seeing a problem for several months where everytime I tried to update the Guest Additions, more than a dozen old initramfs versions would get created, overflowing /boot. The Guest Additions update would only complete after I removed the earliest initramfs versions to make more room. Note that there are not old kernel versions on this system; only the 2 most recent kernels and a recovery are present.

After several attempts, I finally tracked this down to multiple old guest additions subdirectories under /opt. These were empty; apparently the old additions had been properly removed but the empty directories had been left around and this was confusing the guest additions update process. Removing these empty directories cured the problem.",JMHOGM
16542,Windows 10 Insider - Not booting correctly with GA Video Driver,VirtualBox 5.1.16,Windows,2017-03-09T08:52:37Z,2017-09-26T10:30:50Z,2017-09-26T10:30:50Z,"As reported in https://www.virtualbox.org/ticket/15973
Using Fedora 25.
Just upgraded to VirtualBox 5.1.16.
Installed GA 5.1.16
Guest Settings:
2D Acceleration enabled
3D Acceleration disabled

Windows 10 refuses to boot, with the Video driver installed. After two tries, using Basic Video Driver works.

Relevant lines from log file (also attached):

{{{
00:00:07.649607 RTC: period=0x200 (512) 64 Hz
00:00:07.689199 VBVA: InfoScreen: [0] @0,0 3840x2025, line 0x3c00, BPP 32, flags 0x1
00:00:07.689219 Display::handleDisplayResize: uScreenId=0 pvVRAM=00007f9078000000 w=3840 h=2025 bpp=32 cbLine=0x3C00 flags=0x1
00:00:07.689250 GUI: UIFrameBufferPrivate::NotifyChange: Screen=0, Origin=0x0, Size=3840x2025, Sending to async-handler
00:00:07.689364 GUI: UIMachineView::sltHandleNotifyChange: Screen=0, Size=3840x2025
00:00:07.689375 GUI: UIFrameBufferPrivate::handleNotifyChange: Size=3840x2025
00:00:07.689620 GUI: UIFrameBufferPrivate::performResize: Size=3840x2025, Directly using source bitmap content
00:00:07.694329 GIM: HyperV: Guest indicates a fatal condition! P0=0x7e P1=0xffffffffc0000005 P2=0xfffff807d604e92b P3=0xffff8c0106b45cd8 P4=0xffff8c0106b45510
00:00:09.134352 NAT: Link up
00:00:10.146743 AHCI#0: Reset the HBA
00:00:10.147380 AHCI#0: Port 0 reset
00:00:11.354005 VMMDev: vmmDevHeartbeatFlatlinedTimer: Guest seems to be unresponsive. Last heartbeat received 4 seconds ago
00:00:20.399165 GIM: HyperV: Reset initiated through MSR
00:00:20.399202 Changing the VM state from 'RUNNING' to 'RESETTING'
}}}

Enabling 3D Acceleration gives a ""System Exception Thread not handled"" error.",bhahlen
16565,5.1.16 Guest Additions render CentOS7 VM unusable,VirtualBox 5.1.16,other,2017-03-15T01:51:52Z,2017-03-15T02:17:56Z,2017-03-15T02:17:56Z,"After upgrading to 5.1.16 from 5.1.12, CentOS 7 fails to boot due to failure to load SELinux Policy.  Attempted (as root) 'yum reinstall selinux-targeted-policy' after GRUB coercion to boot without SELinux loaded.  Also tried (as root) 'touch /.autorelabel'.  Reboot successfully updated SELinux, however subsequent reboots fail on original issue.  
",crowmastr
16572,shared folders can not be mount,VirtualBox 5.1.16,Linux,2017-03-16T06:32:30Z,2017-03-23T11:14:28Z,2017-03-23T11:14:28Z,"I use Linux Mint LMDE2 (Jessie) as Host with some Linux Guests.

Since VirtualBox 5.1.16 can shared folders not be mounted on the guests.
Until Version 5.1.14 its well done.
(5.1.18 don't work too) 

I gone back to 5.1.14 and it works fine.",Alex175
16585,guest additions initscripts should be more flexible,VirtualBox 5.1.18,Linux,2017-03-20T13:24:28Z,2017-03-20T13:24:28Z,2017-03-20T13:24:28Z,"Adding options to the virtualbox guest additions startup requires editing the init script.  This is a pain, especially when installing from source or creating a new install. Note that with systemd the init file isn't in /etc/init.d, but rather /opt/VBoxGuestAdditions-$VERSION/init - which is refreshed on an install/upgrade.

Most init scripts separate the startup script from options by providing a file in /etc/default or /etc/sysconfig.

e.g. This should work for most distributions conventions
{{{
/etc/sysconfig:
OPTIONS=""--disable-timesync""

https://www.virtualbox.org/browser/vbox/trunk/src/VBox/Additions/linux/installer/vboxadd-service.sh

[ -f /etc/default/vboxadd-service ] && . /etc/default/vboxadd-service
[ -f /etc/sysconfig/vboxadd-service ] && . /etc/sysconfig/vboxadd-service

and 
         vboxaddrunning || {
             echo ""VirtualBox Additions module not loaded!""
             exit 1
         }
         testbinary
-        daemon $binary --pidfile $PIDFILE > /dev/null
+        daemon $binary --pidfile $PIDFILE $OPTIONS > /dev/null
         RETVAL=$?
         succ_msg
     fi

     return $RETVAL
}}}",Timothe Litt
16615,No USB Device Access with NoMachine v5.2.11 Innstalled,VirtualBox 5.1.18,Linux,2017-03-28T06:23:41Z,2017-03-28T06:25:45Z,2017-03-28T06:25:45Z,"With the current version of NoMachine installed (v5.2.11) it is not possible to pass thorugh USB devices to VirtualBox.
The device lists in available devices, and when selected is removed from the Windows host. 
The VirtualBox status bar indicates that no device is captured and shows no read or write activity.
If you hover over the status of the device, this says the device is captured, but 'lsusb' in a Linux guest does not show the device, only the hub.
Attempting to capture the device results in an error 'E_INVALIDARG' and a message that the device is busy.
Removing the USB device and reinserting leads to multiple copies of the device appearing in the list.
To clear the list, VirtualBox has to be completely restarted.
This appears to be a clash between the USB device handing in NoMachine and VirtualBox.
I was trying to setup some VirtualBox VMs to test the current version of NoMachine.",Karl Foley
16662,SoftICE Doesn't Refresh,VirtualBox 5.1.18,Windows,2017-04-18T11:02:35Z,2017-04-18T11:02:35Z,2017-04-18T11:02:35Z, https://forums.virtualbox.org/viewtopic.php?f=2&t=41499,Tommaso Blarzino
16664,"Graphics: extensive pixelation and discoloration with VirtualBox graphcis driver and Aero enabled; Windows 7, 8.1, 10",VirtualBox 5.1.18,Windows,2017-04-18T14:42:23Z,2019-01-08T13:12:32Z,2019-01-08T13:12:32Z,"I install clean Windows 7/8/1/10 installations.
I then install Guest Additions with the default graphics driver, and restart.
For Windows 7, I manually enable Aero. For Windows 8.1 & 10, this is automatic.
Everything is fine until I start a Windows Installer program, or try to uninstall certain programs.
At this point the display starts to become pixelated and discolored.
Each time I change screens or move the cursor the pixilation becomes worse.

SPECIFICS:
The only way to get rid of the pixilation without restarting the VM is to restore (un-maximize) and maximize the VM display window.
I started noticing this about a month ago.
I tried rolling back the VM additions and graphics drivers to the versions when this wasn't yet a problem, but that does not fix it.
This occurs in Windows 7, 8.1, and 10, in both x86 and x64.
This problem can be avoided by disabling Aero in Windows 7. HOWEVER, disabling Aero transparency does NOT fix Windows 8.1 or 10.
This is not remedied by changing the amount of VM graphics memory, 2D settings, or 3D settings. I tried ALL combinations of enabling and disabling these.
HOST GRAPHICS: NVidia GeForce GTX 970M
HOST OS: Windows 10 x64
LOG: Attached. Starts at VM bootup and ends at first signs of this pixilation.",JMH1
16681,Virtual core XTEST pointer/keyboard inoperative under X11,VirtualBox 5.1.20,Linux,2017-04-21T10:08:53Z,2017-04-21T10:08:53Z,2017-04-21T10:08:53Z,"Guest: Arch Linux LTS 4.9.23-1 x64; also happens on Arch Linux 4.10.10-1
Host: Windows 10 Pro x64, Intel Core i7

Started happening after an update to VirtualBox 5.1.20. Downgrading on guest side to 5.1.18 had no effect. Unrelated to window manager, happened using X11 default as wel.

Found a workaround by adding two configuration files to /etc/X11/xorg.conf.d/ first to define keyboard to use evdev drivers and mouse to use libinput drivers.",gingerale
16691,UltraNav mice cannot scroll horizontally,VirtualBox 5.1.20,Windows,2017-04-24T15:05:15Z,2017-04-24T15:05:15Z,2017-04-24T15:05:15Z,"On my Lenovo W530 with UltraNav, horizontal scrolling does not work in Windows or Linux VMs (Win10 Host). Horizontal scrolling does work in every other app, including VBox Manager (within Show Log). Trying the different input device types in VM's settings did not resolve the issue. 

The previous solution of adding a few lines to tp4table.dat used to work (https://forums.lenovo.com/t5/forums/v3_1/forumtopicpage/board-id/tp01_en/thread-id/37809/page/2 and in fact I'm one of the people reporting there that the solution works), but is no longer the case. As a point of difference between the current and previous issue: scrolling in VBox Manager (within Show Log) used to not work unless the tp4table.dat solution was in place. However in the current issue scrolling does work within Show Log of VBox Manager, but horizontal scrolling does not work in Win7 or Linux Guests.

Furthermore, downgrading from 5.1.20 to version 5.0.38 r114632 did not resolve the issue.

Is there any additional information I can provide to request a fix for this?",R
16718,VM keeps keyboard when switching to host,VirtualBox 5.1.22,Windows,2017-05-02T11:19:26Z,2017-05-15T06:10:43Z,2017-05-15T06:10:43Z,I'm running a Windows 7 VM with guest addons installed in full screen mode on a Linux Mint Serena host. Mouse and keyboard integration are working well but whenever I minimize the VM to work on the host the keyboard keeps captured by the VM. I always have to click somewhere on the host screen to release the keyboard from the VM.,Mellon
16724,Usb disconnect causes guest USB driver crash,VirtualBox 5.1.22,Linux,2017-05-03T18:25:41Z,2017-05-03T18:29:15Z,2017-05-03T18:29:15Z,"When disconnecting a USB device that is passed through to a linux (Ubuntu 14.04 VM), the result is a tainted driver in the VM.  After this, USB devices no longer pass through correctly.  Dmesg trace below:

[63154.986873] usb 2-2: Product: Adafruit Industries
[63155.395258] ohci-pci 0000:00:06.0: frame counter not updating; disabled
[63155.395266] ohci-pci 0000:00:06.0: HC died; cleaning up
[63159.987813] usb 2-2: can't set config #1, error -110
[63159.987878] usb 2-1: USB disconnect, device number 2
[63161.397977] irq 22: nobody cared (try booting with the ""irqpoll"" option)
[63161.397985] CPU: 0 PID: 303 Comm: systemd-udevd Tainted: G           OE  3.19.0-25-generic #26~14.04.1-Ubuntu
[63161.397987] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
[63161.397988]  ffff880035c47aa4 ffff88003fc03ce0 ffffffff817aed00 0000000000003a40
[63161.397991]  ffff880035c47a00 ffff88003fc03d10 ffffffff810ce3b6 ffff88003fc03d10
[63161.397992]  ffff880035c47a00 0000000000000016 0000000000000000 ffff88003fc03d60
[63161.397994] Call Trace:
[63161.397996]  <IRQ>  [<ffffffff817aed00>] dump_stack+0x45/0x57
[63161.398010]  [<ffffffff810ce3b6>] __report_bad_irq+0x36/0xd0
[63161.398012]  [<ffffffff810ce8ec>] note_interrupt+0x24c/0x2a0
[63161.398016]  [<ffffffff814c588a>] ? add_interrupt_randomness+0x3a/0x1e0
[63161.398019]  [<ffffffff810cbfde>] handle_irq_event_percpu+0xae/0x1a0
[63161.398020]  [<ffffffff810cc111>] handle_irq_event+0x41/0x70
[63161.398022]  [<ffffffff810ced12>] handle_fasteoi_irq+0x82/0x140
[63161.398025]  [<ffffffff81017682>] handle_irq+0x22/0x40
[63161.398027]  [<ffffffff817b9621>] do_IRQ+0x51/0xf0
[63161.398031]  [<ffffffff817b742d>] common_interrupt+0x6d/0x6d
[63161.398034]  [<ffffffff81078e7f>] ? __do_softirq+0x7f/0x270
[63161.398036]  [<ffffffff81078e20>] ? __do_softirq+0x20/0x270
[63161.398038]  [<ffffffff810792ad>] irq_exit+0x9d/0xb0
[63161.398039]  [<ffffffff817b970a>] smp_apic_timer_interrupt+0x4a/0x60
[63161.398041]  [<ffffffff817b773d>] apic_timer_interrupt+0x6d/0x80
[63161.398042]  <EOI>  [<ffffffff8107354b>] ? copy_process.part.26+0x13db/0x1c00
[63161.398047]  [<ffffffff81073f25>] do_fork+0xd5/0x340
[63161.398052]  [<ffffffff8168be11>] ? sock_alloc_file+0x91/0x120
[63161.398054]  [<ffffffff81074216>] SyS_clone+0x16/0x20
[63161.398056]  [<ffffffff817b69d9>] stub_clone+0x69/0x90
[63161.398057]  [<ffffffff817b668d>] ? system_call_fastpath+0x16/0x1b
[63161.398059] handlers:
[63161.398069] [<ffffffff815a7280>] usb_hcd_irq
[63161.398070] Disabling IRQ #22
[63161.399293] usb 2-2: USB disconnect, device number 4

Removing and re-installing guest addons will allow devices to pass through successfully again, but only until they are disconnected.  Guest reboots do not seem to always allow passthrough again without uninstalling and reinstalling guest addons.  I can provide more logs if necessary.",Vbuntu
16741,"When installing Guest Additions from CD image, first uninstall packages shipped with client OS",VirtualBox 5.1.22,Linux,2017-05-08T11:10:26Z,2017-12-11T05:25:58Z,2017-12-11T05:25:58Z,"Motivation:

I was having difficulties with NetBeans 8.1 (the version installed by Software Manager on the guest OS, I didn't try the more recent NetBeans 8.2 but I don't suspect that it would make a difference) on a 64-bit GNU/Linux Mint 18.1 Cinnamon guest (on an Apple macOS host) that I *suspect* are related to VirtualBox Guest Additions. The manifestation is presumably an exception related to the pasteboard (see later), which then results in incomplete application startup (stuck at splash window), then a new application launch resulting in NetBeans minimally sized on top left corner of screen, an exception report in the IDE (some class not found), Project pane absent (C++), quitting during Reset Windows, ...unless I forgot something, but it's a real show-stopper.

Reproducing and avoiding:

After several tries, the problem seems to reappear whenever Guest Additions are installed from a CD image (I noticed this a few times), but I don't know whether I could reproduce from scratch. When I reinstalled a whole new VM from scratch (once, because it takes a while), and did a complete removal of 3 pre-installed virtualbox-guest-* packages as the first step after installation (those were on the guest OS installation .iso), after updating the client OS and then installing Guest Additions from CD image, I got an apparently stable-running NetBeans 8.1.

Suggested solution:

Could the script that installs the Guest Additions first detect which package manager is used in the current environment and propose to the user to uninstall the virtualbox-guest-* packages (or however they are called on each guest OS)? Even if the analysis above doesn't pan out, it doesn't seem like a bad idea to just always do that... and warn the user not to reinstall those packages later!

Further (de)motivation:

I don't know whether it still helps if the guest OS was already updated, but my hunch is that it's not a good idea to have both active and possible interfering with each other, and then perhaps letting a guest OS update overwrite the version installed by VirtualBox, etc. But if it is relevant, it would help the user avoid trouble.",RafSchietekat
16762,Folder copy silently fails to copy children when folder name begins with a dot (“.”) and the destination resides in a shared folder,VirtualBox 5.1.22,Windows,2017-05-16T08:00:08Z,2019-06-04T06:05:24Z,2019-06-04T06:05:24Z,"'''Setup:'''[[BR]]
VB version 5.1.22 or 5.1.23 !r115382[[BR]]
Host: macOS Sierra 10.12.5 or 10.12.4[[BR]]
Guest: Windows 10[[BR]]
[[BR]]
'''Issue:'''[[BR]]
On Windows 10 guest copying a folder with a name beginning with a dot (“.”) to a shared folder results in an incomplete copy. For example a Visual Studio project folder with a “.vs” child folder. VBox seems to stop copying once it hits the .vs folder children. No error is displayed in File Explorer. Win 7 guest does not have this issue.[[BR]]
[[BR]]
'''Steps to reproduce:'''
 * Setup Win 10 guest.
 * Install Guest additions.
 * Create a shared folder on host and mount it in guest.
 * Using a command prompt to create a folder with a name beginning with a dot (e.g. md “.test”).
 * Create a file under .test such as “New Test Document.txt”.
 * In File Explorer right-click .test and select copy.
 * Right-click a destination folder on a shared folder, right-click and and paste.

Notice .test is created but “New Test Document.txt” is not present under it. [[BR]]
Also, using the command prompt to rename .test results in “The system cannot find the file specified”.[[BR]]
",pupSci
16813,/dev/tty: No such device or address,VirtualBox 5.1.22,all,2017-06-05T03:20:03Z,2017-06-11T18:32:49Z,2017-06-11T18:32:49Z,"I've got an error message thrown by VBox->Preferences->Extensions, whenever trying to upgrade the VBox Extension Package:

'''""The installer failed with exit code 127: Error creating textual authentication agent: Error opening current controlling terminal for the process (`/dev/tty'): No such device or address.""'''

This seems little bit weird since `/dev/tty` is part of the system:

{{{
ls /dev/tty
/dev/tty
}}}

I need some help regarding this issue.",kaisbe
16867,Windows Aero on Windows Vista & Windows 7 won't working,VirtualBox 5.1.22,Windows,2017-07-02T04:41:09Z,2017-07-02T04:41:09Z,2017-07-02T04:41:09Z,I cannot running Windows Aero on Windows Vista and Windows 7 (except Windows 8.x and Windows 10) on latest version of VirtualBox. Please make changes on display driver to support Windows Aero like a Windows 8+ display driver.,Hanif Shaquille
16868,Guest background not fully cleared in seamless mode,VirtualBox 5.1.22,Windows,2017-07-03T09:33:11Z,2017-07-03T09:33:11Z,2017-07-03T09:33:11Z,I'm running Windows 7 Pro as guest on a Linux Mint 18.1 host (both 64 bit). Seamless mode seems to work quite well despite relatively slow redrawing of guest windows. But there is a problem with the suppression of the windows background: There is always a square of the windows desktop keeping on the host desktop and I cannot get rid of it.,Mellon
16900,Guest Additions Will Not Install,VirtualBox 5.1.22,Windows,2017-07-13T15:43:38Z,2017-08-17T15:14:00Z,2017-08-17T15:14:00Z,"Host: Windows 10 (64-bit)
Guest: Windows Server 2012 (64-bit)

Guest Additions will not install on the guest. When trying to install it, I get an error that it cannot execute ""VBoxDrvInst.exe"". I tried everything and nothing fixes it.

I have attached the log file for VM and also 2 screenshots of the error.

Thank you in advance for helping. I really need guest additions.


",pjkim
16905,Shared folders hangs by configuration,VirtualBox 5.1.22,Windows,2017-07-16T19:14:14Z,2017-07-19T22:32:44Z,2017-07-19T22:32:44Z,"I have windows 10 host with windows 10 guest and when I try to configure the shared folders it hangs always and I have to kill the process.
It is the same where I configure it, in the VM manager (guest turned off) after choosing the folder on the host it hangs, in the virtual machine menu as soon as I try to configure a shared folder it hangs and I can't choose any folder on the host.
I was checking the log file of both (VM manager and virtual machine) but there is exactly nothing. I saw other similar tickets about shared folders hanging, but not really my problem, in my case it freezes during the configuration of the shared folder, and moreover the other tickets have been resolved.",spamme1
16916,vb crashes guest with guest additions Divide by Zero Error,VirtualBox 5.1.22,Windows,2017-07-19T17:35:27Z,2017-07-24T16:11:01Z,2017-07-24T16:11:01Z,"Divide by Zero Error
VirtualBox Graphical User Interface Version 5.1.24 r117012 (Qt5.6.2)
VBoxGuestAdditions_5.1.25-117026
Win2Ksp4
",Tracey
16939,"""Text Select"" mouse cursor corrupted when mouse integration is enabled",VirtualBox 5.1.24,Windows,2017-07-24T19:51:34Z,2020-05-12T16:10:16Z,2020-05-12T16:10:16Z,"Host:  Windows 10

Guest:  Windows 7

When mouse integration is disabled, [[http://i.imgur.com/WbeIunC.jpg|it looks normal]]

When mouse integration is enabled, [[http://i.imgur.com/SwNYZfy.jpg|it looks messed-up]]

",dfiugh
16958,Guest display auto-resize dit not work anymore,VirtualBox 5.1.26,Windows,2017-07-29T15:41:06Z,2017-07-29T15:41:06Z,2017-07-29T15:41:06Z,"Guest display auto-resize worked perfectly for years (Windows 10 guest on Kubuntu 14.04 host). Since upgrade to VirtualBox 5.1.26 r117224 (from 5.1.24 r117012), the display resolution is not evaluated properly.

At startup the VM display resolution is wrong in fullscreen mode (1920x1080 instead of 1340x1440 on the host). There is no way to set it manually in Windows display properties settings. The maximum proposed resolution is 1920x1080. The host resolution (1340x1440) is not present in the proposed list.

The following workaround works:

* Disable ""Auto-resize Guest Display""
* Enable it again immediately (without any screen mode change before)

Then the guest window is set to the proper resolution (and this resolution become available in the Windows display settings).

'''Remark:''' there is another bug. Just after the VM startup (in fullscreen mode), this workaround cannot be applied directly. In the mini bar, the ""Auto-resize Guest Display"" option is not clickable (like if it was disabled). Pressing <host>-F  (to exit fullscreen mode) then  pressing <host>-F one time again (to get back in fullscreen mode) fixes it. The ""Auto-resize Guest Display"" option become operable.

The effect of the workaround is very volatile. If, for any reason, the guest display resolution is reevaluated, then the correct resolution is lost. For example, in all the following situations (but not limited to), the correct resolution is lost and the workaround has to be applied again to recover the correct screen resolution:

* The VM state is saved and the restored later
* The VM window is minimized and then restored on the host.
* The guest screen mode is changed (any mode), then restored to fullscreen.
* ...

Apparently, any action that conduct to reevaluate the guest display resolution bring back a wrong one (except if you are lucky and have a 1920x1080 display). The workaround must be applied again to get back to the correct screen resolution.

== Environment ==

=== Host ===

* OS : Ubuntu 14.04.1 (88~14.04.1-Ubuntu SMP Fri Jan 13 14:54:07 UTC 2017 )
* Kernel release: 3.19.0-80-generic
* Platform: x86_64
* Desktop: KDE (kubuntu-desktop)
* KDELibs Version: 4.13.3
* Qt version: 4.8.6
* VirtualBox version: 5.1.26 r117224

=== Guest ===

* OS: Windows 10 Pro
* Version: 1703 15063.483
* Platform: x64
* VirtualBox Guest Additions: 5.1.26




 ",Laurent Simon
16983,Autorun.inf not correctly identified from 'file' command.,VirtualBox 5.1.26,Windows,2017-08-06T06:46:35Z,2017-08-06T06:46:35Z,2017-08-06T06:46:35Z,"Based on a [https://forums.virtualbox.org/viewtopic.php?f=9&t=84005 recent discussion in the forums], the contents of the ""`Autorun.inf`"" file used in the GAs Windows installer, could/should be slightly modified to bring it in ""''compliance''"" with the '`file`' command found in almost all Unix-based OSes.

The problem arises from the fact that a proper ""`Autorun.inf`"" file should start with the ""`[autorun]`"" text. The current ""`Autorun.inf`"" file starts with the license (a comment). If  the ""`[autorun]`"" entry gets moved at the beginning of the file, before the comment, everyone/everything is happy.

Patch is published under the terms of the MIT license. Both lines ;) :
{{{
--- /Users/Shared/VirtualBox/Source/VirtualBox-5.1.26/src/VBox/Additions/WINNT/Installer/ISO/AUTORUN.INF	2017-07-27 16:13:52.000000000 +0300
+++ /Users/Shared/VirtualBox/Source/vbox/src/VBox/Additions/WINNT/Installer/ISO/AUTORUN.INF	2017-08-06 09:30:40.000000000 +0300
@@ -1,5 +1,6 @@
+[autorun]
 ;
-; Copyright (C) 2006-2016 Oracle Corporation
+; Copyright (C) 2006-2017 Oracle Corporation
 ;
 ; This file is part of VirtualBox Open Source Edition (OSE), as
 ; available from http://www.virtualbox.org. This file is free software;
@@ -10,7 +11,6 @@
 ; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
 ;
 
-[autorun]
 open=VBoxWindowsAdditions.exe
 icon=VBoxWindowsAdditions.exe
 label=VirtualBox Guest Additions
}}}

Before the patch:
{{{
$ file /Users/Shared/VirtualBox/Source/VirtualBox-5.1.26/src/VBox/Additions/WINNT/Installer/ISO/AUTORUN.INF
AUTORUN.INF: ASCII English text, with CRLF line terminators
}}}
After the patch:
{{{
$ file /Users/Shared/VirtualBox/Source/vbox/src/VBox/Additions/WINNT/Installer/ISO/AUTORUN.INF
AUTORUN.INF: Microsoft Windows Autorun file.
}}}
",Socratis
16985,VB Additions incompatible with RAID driver,VirtualBox 5.1.26,Linux,2017-08-06T12:10:13Z,2017-08-06T12:12:30Z,2017-08-06T12:12:30Z,"When installing a Linux (tested Xubuntu, Kubuntu and OpenSuse) in VirtualBox on a physical partition it hangs up when booting this partition natively '''if''' the machine uses a RAID (ie. Intel Matrix Storage Manager). The last message of boot is ""A start job is running for dev-disk-by\ ... .device""

When installing the Linux natively and then booting it in VirtualBox, it works but the VB-Additions fail to install.

On a normal AHCI-enabled machine, every thik's fine.",msta
17021,Problem showing a bsod (blue screen) in the guest machine,VirtualBox 5.1.26,Windows,2017-08-18T18:10:18Z,2017-08-26T16:14:44Z,2017-08-26T16:14:44Z,"
When i have a bsod (blue screen) in the guest machine Windows 10,
then i don't view the bsod.
I can not know what is written in the BSOD.
I think this problem comes from the driver graphics Virtualbox.",Sizy458
17027,Installing VirtualBox Guest Additions in Windows 7 does nothing,VirtualBox 5.1.26,Windows,2017-08-21T02:43:06Z,2017-09-19T15:14:48Z,2017-09-19T15:14:48Z,"NOTE: I already raised this issue in the forum. No luck, nevertheless. The thread is https://forums.virtualbox.org/viewtopic.php?f=2&t=84071&p=399327#p399327

My host is a 8GB Ubuntu 16.04 running VirtualBox 5.1.26. I have been running a Windows XP guest without problem for the last eight years.

I upgraded my host OS and I don't want to dual boot anymore (Ubuntu/Windows 7), so I copied the relevant harddisks partitions to a VDI image. After messing around a bit with ""fdisk"" and ""grub"", I am successfully booting Windows 7 as a guest. Slow running but Nice!. It is a Windows 7 x86-64 guest.

I proceed to uninstall most HP, Adobe, etc, crap, even the ATI video driver, the WIFI driver, etc. I reboot Windows 7 guest and everything works fine except sound (disabled) and network (drivers uninstalled). I insist that windows works fine, although harddisk performance is not stellar. I disabled Security Esencials and Windows Defender too.

After rebooting one more time, I install ""VirtualBox Guest Additions"" . Install finishes correctly and prompts to reboot. I reboot... and Windows 7 guest is working fine but... with no ""VirtualBox Guest Additions"", Nothing seems to happen. Host integration is not working and VirtualBox says that there are not guest additions running in the guest. I repeat install (it goes fine) and reboot. Same thing.

Checking the guest harddisk, I see ""VirtualBox Guest Additions"" directory with 19 files inside the ""C:/Program files"" directory. Everything seems ok. But the virtual machine is not enabling the Guest Additions.

I wonder if this is a Windows 7 32/64 issue but I lack the knowledge to debug this issue myself.

Please, Help!

Thanks in advance!.",jceajcea
17044,Doing network copy from shared folder does not transfer file correctly: wrong md5sum,VirtualBox 5.1.26,other,2017-08-30T02:50:26Z,2019-08-29T10:40:50Z,2019-08-29T10:40:50Z,"When I copy file from shared folder to remote target with scp, scp exists with success 0, yet the md5sum on the remote target is different from the source.
Coping / scp'ing the same file from non-shared folder within same Vm works correctly: same md5sum on remote target.
Scp transfers different file sizes in the two cases.

E.g. 
md5sum  /media/sf_dloads/dhnc_m4_fw.tar.bz2

403f9fe21ed74762923d3d7c2087d62a  /media/sf_dloads/dhnc_m4_fw.tar.bz2

md5sum dhnc_m4_fw.tar.bz2 

403f9fe21ed74762923d3d7c2087d62a  dhnc_m4_fw.tar.bz2

scp -v /media/sf_dloads/test/dhnc_m4_fw.tar.bz2  root@192.168.1.110:/tmp/

.....
Transferred: sent 455796, received 1796 bytes, in 1.2 seconds
Bytes per second: sent 367895.7, received 1449.6
debug1: Exit status 0

on target:

md5sum  /tmp/dhnc_m4_fw.tar.bz2

ed67bef761dbfb2b35f62510b2c930c5  /tmp/dhnc_m4_fw.tar.bz2

scp -v dhnc_m4_fw.tar.bz2  root@192.168.1.110:/tmp/

.....
Transferred: sent 456788, received 1856 bytes, in 1.6 seconds
Bytes per second: sent 291460.5, received 1184.2
debug1: Exit status 0

on target:

 md5sum  /tmp/dhnc_m4_fw.tar.bz2

403f9fe21ed74762923d3d7c2087d62a  /tmp/dhnc_m4_fw.tar.bz2
",dry
17062,Login screen not working on VBox 5.1.26,VirtualBox 5.1.26,other,2017-09-08T05:05:42Z,2017-09-08T05:05:42Z,2017-09-08T05:05:42Z,"After I updated VirtualBox to version 5.1.26 the login screen is not working anymore, instead I see only a black screen. My host operating system is Windows 10 64bits updated to the latest available patches as of Sep/7/2017, my guest operating system is Oracle Linux 7 updated to the latest packages as of Sep/7/2017.
",Arturo Aranda
17065,SEGV with plymouth on Ubuntu GNOME 16.04,VirtualBox 5.1.26,Linux,2017-09-08T14:31:53Z,2017-09-08T14:31:53Z,2017-09-08T14:31:53Z,"When booting into Ubuntu GNOME, most of the boots are causing a SEGV in Plymouth as follows:
{{{
Aug 26 17:03:55 matthias-VirtualBox systemd[1]: Received SIGRTMIN+20 from PID 356 (plymouthd).
Aug 26 17:03:57 matthias-VirtualBox systemd[1]: plymouth-start.service: Main process exited, code=dumped, status=11/SEGV
Aug 26 17:03:57 matthias-VirtualBox systemd[1]: plymouth-start.service: Unit entered failed state.
Aug 26 17:03:57 matthias-VirtualBox systemd[1]: plymouth-start.service: Failed with result 'core-dump'.
}}}

Searching the Internet, I have found the issue: With the installation of the VBox Additions, it seems that the plymouth service needs to be re-configured to use the framebuffer.

After issuing the following command, I got never again a SEGV:
{{{
echo ""FRAMEBUFFER=y"" | sudo tee -a /etc/initramfs-tools/conf.d/splash && sudo update-initramfs -u -k all
}}}


I have found this information here:

https://askubuntu.com/questions/695761/plymouthd-crashes-on-startup-intel-hd-3000-15-10

So a potential solution could be to issue this command (or similar) when installing the guest additions on a Linux guest containing plymouth.",Matthias.Winker
17069,Virtual Box cannot create Virutal Machine of 64bits OS on Windows10 Creators Edition.,VirtualBox 5.1.26,Linux,2017-09-10T04:50:13Z,2017-09-10T21:42:59Z,2017-09-10T21:42:59Z,"When I installed VirtualBox Ver5.1.26 or Ver5.2.0 Beta2 and tried to create new VM image of CentOS 64bit on Windows 10 64bit Creators Edition, then I could not choose any 64bits OS in each OS Version list of ""Create Virtual Machine"" dialog.

What I configure on Windows 10, can I choose 64bit OS in OS version list of ""Create Virtual Machine"" Dialog box.


 ",pioarai
17088,Crash when trying to access SMB network shares under evaluated user,VirtualBox 5.1.28,Windows,2017-09-16T06:14:41Z,2017-09-20T08:18:21Z,2017-09-20T08:18:21Z,"Issue came with update 5.1.26 to 5.1.28.

Guest: Windows 10 Pro 1703
Host: Windows 10 Pro 1703 as well as Windows 7

Crash in the guest system only with the evaluated user, so it might be related to the others issues which Windows 5.1.28 guest extensions has with evaluated users. No problem with standard user. 

The crash is that after login for accessing the SMB shares the explorer terminates. Doing this with another file manager (total commander 9.0a), the file manager hangs. No SMB access for the evaluated user possible.",Denis.L
17096,Stuck error after Guest Addition CD install,VirtualBox 5.1.28,Windows,2017-09-19T05:10:58Z,2017-09-21T12:45:19Z,2017-09-21T12:45:19Z,"File System error (-1073741819)

Administrative privilege got lost after Guest Addition CD installation for VirtualBox 5.1.28 r117968 (Qt5.6.2).
Opening cmd.exe in administrator privilege runs smoothly before installing Guest Addition CD, but it returns error above after the installation.

MSEdge on Windows 10 x64 Stable (15.15063) for VirtualBox",HeavyLight
17104,5.1.28 Guest Additions Install fails with gnome-terminal 3.24.2,VirtualBox 5.1.28,Linux,2017-09-21T19:15:08Z,2019-12-21T13:49:49Z,2019-12-21T13:49:49Z,"The installation of guest additions fails with gnome-terminal version do to deprecated commands in install command.


{{{
localhost ~]$ /bin/gnome-terminal --version
GNOME Terminal 3.24.2 Using VTE version 0.48.3 +GNUTLS
}}}




{{{
localhost ~]$ sudo sh /run/media/djohnson/VBOXADDITIONS_5.1.28_117968/autorun.sh
}}}
 
Here is the command that fails in the shell script:

{{{
+ BINARY='/run/media/djohnson/VBOXADDITIONS\_5\.1\.28\_117968/VBoxLinuxAdditions\.run'
+ exec /bin/gnome-terminal --title 'VirtualBox Guest Additions installation' -x /bin/sh /run/media/djohnson/VBOXADDITIONS_5.1.28_117968/runasroot.sh --has-terminal 'VirtualBox Guest Additions installation' '/bin/sh /run/media/djohnson/VBOXADDITIONS\_5\.1\.28\_117968/VBoxLinuxAdditions\.run --xwin' 'Please try running ""/run/media/djohnson/VBOXADDITIONS_5.1.28_117968/VBoxLinuxAdditions.run"" manually.'
Option “-x” is deprecated and might be removed in a later version of gnome-terminal.
Use “-- ” to terminate the options and put the command line to execute after it.
Option “--title” is deprecated and might be removed in a later version of gnome-terminal.
No protocol specified
Unable to init server: Could not connect: Connection refused
Failed to parse arguments: Cannot open display: 
}}}

",septer012
17106,5.1.28 + 5.1.29 - After installing guest additions - Memory Exception explorer.exe,VirtualBox 5.1.28,Windows,2017-09-22T12:40:15Z,2017-10-17T14:29:59Z,2017-10-17T14:29:59Z,"After updated from 5.1.26 to version 5.1.28 and installing the gust additions in Windows 10 (1703) guest, I've expected an exception by shutting down the guest out from the task bar.

While Windows shuts down, and the white dots are spinning, the exception appears.

Then it take a few seconds and the VM turns off.

Then I've tried the test version 5.1.29 r118026 (Qt5.6.2) - same issue.

With version 5.1.26 and guest additions all is fine. Fortunately I made a snapshot, so I can still work on old additions.",TH3rb5t
17109,"5.1.28 - after upgrading guest additions, teamviewer 12 becomes unstable in Win 7 64-bit guest",VirtualBox 5.1.28,Windows,2017-09-22T16:36:19Z,2017-09-22T16:36:19Z,2017-09-22T16:36:19Z,"upgraded virtualbox 5.1.26 on xubuntu 16.04.3 to version 5.1.28, and upgraded guest additions simultaneously on Win7 64-bit Guest. Noticed that Teamviewer 12 started crashing (""TeamViewer 12 has stopped working"") intermittently, but most often when manipulating TV controls and reliably when ending the TV session.  Bringing Windows patches up-to-date and updating Teamviewer had no effect.

I have another VM with Teamviewer as an ""emergency spare"" (both machines were cloned from a common ancestor).  I did not update the guest additions (remained at 5.1.26), and the same (non-updated) version of TeamViewer worked as normal.  Immediately after updating the Guest Additions to 5.1.28, and re-connecting with the same remote Teamviewer host, Teamviewer began crashing as on the other VM.",BISISysadmin
17110,d3d9.dll error/Starting Quicken2015/Starting Adobe Acrobat Reader/OSX Host/Win 10,VirtualBox 5.1.28,other,2017-09-23T22:14:34Z,2017-09-23T22:14:34Z,2017-09-23T22:14:34Z,"Starting quicken RdrCEF.exe and qw.exe:  

RdrCEF.exe - Entry Point Not Found
qw.exe - Entry Point Not Found

The procedure entry point SfmDxGetSwapChainStats could not be located in the dynamic link library C\Windows\System32\d3d9.dll.

 ",EHES
17152,VirtualBox RC1 guest additions hang Poser 6 & 7 on startup under XP guest,VirtualBox 5.2.0 RC 1,Windows,2017-10-10T10:19:59Z,2017-10-18T22:59:06Z,2017-10-18T22:59:06Z,"Greetings,

I recently updated to VirtualBox v5.2.0 RC1 to give it a try and see if my VMs could still work fine in it. I was well inspired, since I found a show-stopper bug (at least for my needs).
So, I installed VirtualBox v5.2.0 RC1, the v5.2.0 RC1 extension pack, booted my Windows XP guest VM in fail-safe mode, installed the VirtualBox guest additions (which, strangely, identify themselves as being v5.2.0 Beta 3 additions, instead of RC1...) with DirectX support.

Once the VM rebooted, when I start Poser 6 or 7 (the only two versions I got) on a Windows XP (32 bits) guest running on a 64 bits Linux host, the program hangs shortly after starting, on the startup screen, and Windows reports the program as ""non responding"" in its title bar. After a few more seconds waiting, the window of the program turns white and it stays stuck forever like that.

I then reinstalled the v5.1.28 guest additions (still keeping VirtualBox v5.2.0 RC1) and found out that Poser then works fine again.

Probably an issue in DirectX support ?

VBox.log attached (in its state, just after launching Poser).",dinosaur0
17158,Guest OS Additions crashes Windows XP and Windows 7 Guests,VirtualBox 5.1.28,Windows,2017-10-11T23:39:27Z,2017-10-11T23:39:27Z,2017-10-11T23:39:27Z,"This one is new to me. I was previously running an XP Guest x86 using VB 5.1 under Windows 10 Pro x64. Everything was fine. I had virtualization, nested pages, etc. enabled.

I then installed VB 5.1 under Ubuntu 16.04.LTS, x64 (of course), on ""super spiffy"" (that's ""shiny"") hardware and re-created the XP Guest x86. Things ran OK for a while and then began crashing.

I had been thinking about moving the ""content"" (applications) to a virtual Windows 7 box instead anyway, so I created a new Windows 7 x86 Guest. Again, everything ran fine for a while, and then would all of a sudden crash, or not boot, or freeze.

After having pulled my hair out for a few days, I tried uninstalling the VirtualBox GuestOS Additions. First from the XP Guest, and when that got a lot more stable, I did the same thing for the Windoes 7 Guest.

No more crashes, no more sudden freezing, no more BSOD.
(Or at least not yet, two days and counting.)

Every once in a while though, Ubuntu will report a ""System Problem"" and the VirtualBox Guest Window disappeares. In the Ubuntu crash log it says ""This is not an official version ..."" (I'm assuming they're talking about VirtualBox since the 16.04 dist contains 5.0.x). When that happens, however, I am still connected via RDP to the actual Guest OS, and it continues to run.",joho68
17159,vboxsf file timestamp not set properly,VirtualBox 5.1.28,Linux,2017-10-12T15:40:37Z,2017-10-12T15:40:37Z,2017-10-12T15:40:37Z,"Setting file modification timestamp on a file seated in shared folder does not work properly.

The case description:

{{{
$ df -h .
Filesystem      Size  Used Avail Use% Mounted on
Shared          932G  317G  616G  34% /media/sf_Shared
$ mount -l | grep Shared
Shared on /media/sf_Shared type vboxsf (rw,nodev,relatime)
$ touch -md ""1970-01-01 00:00:00""   test
$ ls -l test
-rwxrwx--- 1 root vboxsf 0 '''Jul 22  2554''' test

}}}

Doing the same on a native fs does work as expected.",Norbert Novotny
17166,Installing Extension Pack trashes Linux MDM Login options,VirtualBox 5.1.28,Linux,2017-10-15T02:28:38Z,2017-10-31T19:41:42Z,2017-10-31T19:41:42Z,"Windows 10 Pro
AMD Athlon™ II X4 650 Processor 3.20Ghz
nVidia GeForce GTX 750 Ti (GeForce Game Ready Driver 3.87.92)
Microsoft Security Essentials
VirtualBox-5.1.28-117968-Win.exe
Oracle_VM_VirtualBox_Extension_Pack-5.1.28-117968.vbox-extpack

There is something about installing the VirtualBox Extension Pack (5.1.28) that wipes out my MDM Login menu in my Linux Mint 17.2 / XFCE / Wmaker VM.

I updated my Windows 10 Pro machine to VirtualBox-5.1.28-117968-Win.exe and installed Oracle_VM_VirtualBox_Extension_Pack-5.1.28-117968.vbox-extpack in my Linux VM. This trashed my ability to log into any of my desktops other than my original XFCE Desktop.

My MDM Login menu worked as expected under 5.1.22 but exhibited the same problem in earlier extension packs.

This also happened when I tried to upgrade VirtualBox to v5.0.24 - I didn’t report it then. I just assumed a later version (5.1.22) would fix the issue.

------------- Prior Issue ---------------

by BasilRathbone » 17. Oct 2016, 19:14 

I run VirtualBox 5.0.16 under Windows 10 Home Premium. One of my VM's is Linux Mint 17.2. I run multiple desktops under Linux Mint 17.2, XFCE and WMaker, my favorite being Wmaker.

I tried updating VirtualBox to version 5.1.6. Installing 5.1.6 Extensions in my Linux VM trashes my ability to log into any of my desktops other than my original XFCE Desktop. My MDM Login menu works under 5.1.6 until after I run VBoxLinuxAdditions. Something in that installation process trashes MDM.

This also happened when I tried to upgrade VirtualBox to v5.0.24 - I didn’t report it then. I just assumed a later version would fix the issue.

The last version that works properly for me is 5.0.16 running under Windows 10 Home. ",BasilRathbone
17167,Can't install Extensions in WMaker / Linux Mint 17.2,VirtualBox 5.1.28,Linux,2017-10-15T03:10:59Z,2017-10-16T22:27:26Z,2017-10-16T22:27:26Z,"Clicking on ""Insert Guest Additions CD Image"" while running WMaker (0.95.8+20170322) running on Linux Mint 17.2 fails.

VBOXADDITIONS_5.1.28_117968 never shows up under /media/my_name/

Inserting Guest Additions has never worked under any version of WMaker I've ever run.

I can log out of WMaker and log back in under XFCE and install guest additions but that's trashed the MDM Menu and my ability to log back in to WMaker.",BasilRathbone
17192,5.2 Guest Extension : no share Drives ?!,VirtualBox 5.2.0,Windows,2017-10-21T03:22:46Z,2017-10-25T20:15:37Z,2017-10-25T20:15:37Z,"1.) have upgrade from 5.1.30 and run 5.2 OK. than install Guest Extension.
2.) after reboot i want to reject CD and saw NO share Drives any more ?
3.) after change User i complete lost setup information so i have to attach VDI again and make all setup entry
both Windows 10 1703 Host 64bit / Guest 32bit",Xbase++
17197,Windows XP SP3 blue screen (VBoxGuest.sys),VirtualBox 5.2.0,Windows,2017-10-21T18:18:35Z,2017-10-27T20:26:20Z,2017-10-27T20:26:20Z,"After updating from VirtualBox 5.1 to 5.2, I updated the Guest Additions in safe mode, rebooted and logged in my Virtual Machine (Windows XP SP3 Professional with the Microsoft Extended Support). The login was fine, but I noticed that some programs were misbehaving like Team Viewer and everything was kinda laggy (not smooth). I turned the virtual machine off and on again, logged, same. I did some tests with Advanced Chromium (updated Chromium builds for XP) and Firefox 52 ERS and both were kinda slow. I then tried to open Aspera Connect and it worked fine. Avast was working fine. Disabling it and doing a fresh install of it didn't solve the issue, though. I then left my computer open during the night to download files from a TV Studio using Aspera (these master files were fine and virus free, for the records). Then I woke up, I went to work and I found out that my Virtual Machine had a blue screen caused by VBoxGuest.sys.

Host: Fedora Workstation 26, updated constantly.
CPU: Intel i7 6700HQ 4c/8th
RAM: 16 GB DDR4 (8x2)
GPU: NVIDIA 950M 4GB GDDR5
Hard Drive Host: Toshiba 1TB Sata III

Guest: Windows XP Professional SP3 x86 + Microsoft Premium Support + PAE
CPU: 8 cores (I know VBox works with cores and not with thread, in fact I shouldn't assign threads to the virtual machine, 'cause timing would be terrible, but I do it anyway 'cause benchmarks shows that it slightly increase performances. Anyway, limiting it to 4core didn't solve the issue).
RAM: 6 GB (read correctly as 6)
Hard Drive: Seagate SSHD 1TB Sata III (XP is installed on a Physical SSHD and I use it with the raw disk function. I also have no intention of migrating it into a virtual machine file. It's an install I've been working on flawlessly as programmer since 2001, which has been cloned several times to several different hard drives. It's like my baby).

Screenshot and VBox log file in attachment.
Thank you in advance.",FranceBB
17206,VBoxLinuxAdditions.run fails in Ubuntu Server 16.04.3 -> module signing problem,VirtualBox 5.2.0,Linux,2017-10-23T22:00:34Z,2018-01-17T11:42:56Z,2018-01-17T11:42:56Z,"VBoxLinuxAdditions.run fails in Ubuntu Server 16.04.3:

{{{
administrator@ubuntu:~$ sudo /media/cdrom/VBoxLinuxAdditions.run
.
.
.
  ld -r -m elf_x86_64 -T ./scripts/module-common.lds --build-id  -o /tmp/vbox.0/vboxvideo.ko /tmp/vbox.0/vboxvideo.o /tmp/vbox.0/vboxvideo.mod.o
make KBUILD_VERBOSE=1 CONFIG_MODULE_SIG= -C /lib/modules/4.4.0-97-generic/build SUBDIRS=/tmp/vbox.0 SRCROOT=/tmp/vbox.0 INSTALL_MOD_PATH= INSTALL_MOD_DIR=misc modules_install
test -e include/generated/autoconf.h -a -e include/config/auto.conf || (                \
echo >&2;                                                       \
echo >&2 ""  ERROR: Kernel configuration is invalid."";           \
echo >&2 ""         include/generated/autoconf.h or include/config/auto.conf are missing."";\
echo >&2 ""         Run 'make oldconfig && make prepare' on kernel src to fix it."";      \
echo >&2 ;                                                      \
/bin/false)
mkdir -p /lib/modules/4.4.0-97-generic/misc
make -f ./scripts/Makefile.modinst
  mkdir -p /lib/modules/4.4.0-97-generic/misc ; cp /tmp/vbox.0/vboxvideo.ko /lib/modules/4.4.0-97-generic/misc ; true /lib/modules/4.4.0-97-generic/misc/vboxvideo.ko ; if (echo ""/lib/modules/4.4.0-97-generic/misc/vboxvideo.ko"" | egrep -q ""\/drivers\/staging\/"") && (! egrep -x ""vboxvideo.ko"" ./drivers/staging/signature-inclusion) ; then echo Not signing ""/lib/modules/4.4.0-97-generic/misc/vboxvideo.ko""; else scripts/sign-file ""sha512"" ""certs/signing_key.pem"" certs/signing_key.x509 /lib/modules/4.4.0-97-generic/misc/vboxvideo.ko || true && true /lib/modules/4.4.0-97-generic/misc/vboxvideo.ko; fi
At main.c:222:
- SSL error:02001002:system library:fopen:No such file or directory: bss_file.c:175
- SSL error:2006D080:BIO routines:BIO_new_file:no such file: bss_file.c:178
sign-file: certs/signing_key.pem: No such file or directory
  /bin/bash ./scripts/depmod.sh /sbin/depmod 4.4.0-97-generic """"
Creating user for the Guest Additions.
Creating udev rule for the Guest Additions kernel module.
Could not find the X.Org or XFree86 Window System, skipping.
}}}

Fails for following:

VBoxGuestAdditions_5.2.1-118447.iso
[[BR]]
VBoxGuestAdditions_5.2.1-118468.iso
[[BR]]

{{{
administrator@ubuntu:~$ uname -a
Linux ubuntu 4.4.0-97-generic #120-Ubuntu SMP Tue Sep 19 17:28:18 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

}}}
",Red Viking
17234,Cannot Install VirtualBox Extension pack after upgrade,VirtualBox 5.1.30,Windows,2017-11-03T15:06:13Z,2017-11-04T23:33:50Z,2017-11-04T23:33:50Z,"I am running virtualbox on Windows 10. I just upgraded to VirtualBox V5.1.30 r118389. I uninstalled old version of guest edition extension pack and downloaded latest version 

On installing, the following error is reported:

Failed to install the Extension Pack C:/Users/Administrator/Downloads/Oracle_VM_VirtualBox_Extension_Pack-5.2.0-118431 (1).vbox-extpack.

The installer failed with exit code 1: VBoxExtPackHelperApp.exe: error: Failed to rename the temporary directory to the final one: VERR_ACCESS_DENIED ('C:\Program Files\Oracle\VirtualBox\ExtensionPacks\Oracle_VM_VirtualBox_Extension_Pack-_-inst-11020' -&gt; 'C:\Program Files\Oracle\VirtualBox\ExtensionPacks\Oracle_VM_VirtualBox_Extension_Pack')


rcExit=1.

Result Code: E_FAIL (0x80004005)
Component: ExtPackManagerWrap
Interface: IExtPackManager {edba9d10-45d8-b440-1712-46ac0c9bc4c5}

I had no problem when upgrading to VirtualBox V5.2.26",Tony_UK
17245,VBoxGuestAdditions_5.2.1-118918 does not work with Ubuntu 17.10 guest,VirtualBox 5.2.0,Linux,2017-11-05T16:09:16Z,2017-11-08T11:57:40Z,2017-11-08T11:57:40Z,"After installing guest additions version VBoxGuestAdditions_5.2.1-118918, Ubuntu 17.10 will not boot. Initially the ""Ubuntu"" logo appears as per normal, then screen goes black, does not get to login screen. However, pressing ctrl-alt-F* keys will bring up terminal prompt.
In order to get Ubuntu guest to boot, I have to re-install distribution-package version of guest additions (5.1.30)",Christopher777
17246,VirtualBox Guest Additions Fails to start,VirtualBox 5.2.0,Linux,2017-11-05T18:24:07Z,2017-11-05T18:24:07Z,2017-11-05T18:24:07Z,"VirtualBox Guest Additions: Starting.
/etc/rc.d/init.d/vboxadd: line 255: : No such file or directory
",PresidentTrump
17247,i-beam cursor missing / tiny scale (Win guest additions 5.2.1),VirtualBox 5.1.30,Windows,2017-11-06T18:29:09Z,2017-11-06T18:29:09Z,2017-11-06T18:29:09Z,"Windows host (5.2.0) and Windows guest with additions (5.2.1).

With a 4K screen (3840x2160) at 100% scale, the ""Text Select"" (i-beam) cursor is missing (not rendered). When Windows mouse properties / pointers set to a custom cursor (e.g. beam_r.cur) it is really tiny - too small to see properly.

With the host set at 300% scaling, beam_r.cur is the correct size.

[Update after further testing]
c:\windows\cursors - cursors with the small 9KB file size are not scaled properly. Cursors with the > 100KB file size are.

(This affects windows guests. Using these smaller cursor files on the Windows host scales correctly.)",dangr
17248,Guest Additions Directory Listing in Windows XP,VirtualBox 5.1.30,Windows,2017-11-06T21:19:25Z,2017-11-06T21:19:25Z,2017-11-06T21:19:25Z,"Windows XP installed in VirtualBox.  
Host Window 7 or Windows 10.  
Directory listing works OK as 'dir' from DOS Prompt or as 'file open' from notepad.  
But for some programs, if directory listing returns 8 or fewer files, OK; but if directory listing returns 9 or more files, nothing.  
An example program with this problem is the old Norton fa.exe command which lists files and attributes (eg, archive, readonly).  
",Roger
17259,"Upgrade 5.1.28 to 5.2 headless guest can no longer be accesses, video performace degraded",VirtualBox 5.2.0,Windows,2017-11-10T05:43:40Z,2017-11-15T06:18:24Z,2017-11-15T06:18:24Z,"Upgrade from 5.1.28 to 5.2 (Arch x86_64 host) leaves headless Win7 guests unable to capture mouse or keyboard regardless of host-key use until virtualbox is started on host machine and guest launched via gui interface and windows guest addtions updated from 5.1.28 to 5.2.

PUEL from VirtualBox-5.2.0-118431-Linux_amd64.run with Oracle_VM_VirtualBox_Extension_Pack-5.2.0.vbox-extpack

This is unexpected new behavior. The expected result is that following update, the headless client can be started and accessed as normal remotely via rdesktop and guest additions updated from within headless guest as has been the case with all prior 5.1.X updates. 

An update to 5.2 on the host will leave Win7 (and probably others) unable to access the headless guests remotely. There is no way to have the mouse or keyboard captured when first accessing a headless Win7 guest remotely after the 5.2 update on the host. The login screen is displayed and visible, but there is no way to interact with it -- with or without host-key use (currently the default rt-control)

When virtualbox is started on the host machine, prior guest additions are ignored and prior setvideomodehint resolution and color depths settings are ignored. The default capture host-key dialog is shown as if no prior guest additions are present.

If the incompatibility between 5.1.2X guest additions and 5.2 is a known issue, this should be clearly stated in the changelog as it impacts remote headless guest access that guest users cannot correct without access to the host machine.

Secondly, after 5.2 guest additions are installed from the host, and the guest and virtualbox shut down, the guest can then be restarted headless and access remotely. setvideomodehint on the host must be reset to restore 32bit display color depth for remote access. Video performance within the headless guest is degraded compared to 5.1.28 with lagging window moves within the Win7 guest and artifacts at the window corners on repaint that were not present in 5.1.28. (this is with 2D accell only, no 3D or aero active)

Please let me know what additional information you may need to help with this bug and I'll be happy to provide it.",drankinatty
17270,Scrolling with mouse integration,VirtualBox 5.1.30,Linux,2017-11-13T22:18:29Z,2017-11-30T16:20:57Z,2017-11-30T16:20:57Z,"While using VBox 5.1.30 with Mouse Integration turned on the wheel scroll event is not passed to some windows while moving the mouse. If mouse is stationary the scroll is registered fine. It happens over Chrome, Firefox, GTK windows, but works fine for Java and urxvt windows.

I've already tried it with libinput and evdev on the guest Fedora 26 system. The behavior is the same.

Thank you.

Yaroslav",Yaroslav
17285,Mapping shared folder fails if USB drive is connected after VM is started,VirtualBox 5.1.30,Windows,2017-11-18T05:44:24Z,2017-11-30T06:50:57Z,2017-11-30T06:50:57Z,"This basically is ""reopening"" of ticket #11445 (https://www.virtualbox.org/ticket/11445#comment:1) . The issue is still present in version 5.2.
",Rafcio
17362,Cannot map network drive to vboxsvr file,VirtualBox 5.2.0,Windows,2017-12-09T15:41:43Z,2017-12-09T16:03:06Z,2017-12-09T16:03:06Z,"I am using VirtualBox on a macOS Host running a Windows 7 guest. I would like to map a network drive to Network\VBOXSVR\then a subdirectory. Windows objects with ""Windows cannot access \\VBOXSVR\the subdirectory"".
",Horatio
17381,virtualbox additional functions are uninstallable,VirtualBox 5.2.4,Linux,2017-12-20T12:19:13Z,2017-12-22T06:20:14Z,2017-12-22T06:20:14Z,"host computer:windows10 64bit
guest: ubuntu 16.04.3
When I click install additional functions, an error raised.

未能加载虚拟光盘 C:\Program Files\Oracle\VirtualBox\VBoxGuestAdditions.iso 到虚拟电脑 ubuntu.



Could not mount the media/drive 'C:\Program Files\Oracle\VirtualBox\VBoxGuestAdditions.iso' (VERR_PDM_MEDIA_LOCKED).

返回 代码:E_FAIL (0x80004005)
组件:ConsoleWrap
界面:IConsole {872da645-4a9b-1727-bee2-5585105b9eed}
被召者:IMachine {85cd948e-a71f-4289-281e-0ca7ad48cd89}

",f-sky
17391,VB 5.2.4 - Guest Additions won't install on Win 10 Guest,VirtualBox 5.2.4,Windows,2017-12-22T23:42:32Z,2018-02-20T17:26:52Z,2018-02-20T17:26:52Z,"Host: Mac OS Sierra 10.13.2
Hardware is Macbook Air 11"" - mid 2011 
Guest: Windows 10.0 16299 Build 16299

Guest Additions hangs on driver install.  Same issue with 5.2.2. In both cases I had to revert back to 5.2.0 which installs and works fine.
",SteveB
17399,Video driver fails for Win 10 guest version 1709 Preview build 17063.1000,VirtualBox 5.2.4,Windows,2017-12-24T21:04:36Z,2017-12-26T00:27:40Z,2017-12-26T00:27:40Z,"Video driver fails for Win 10 guest version 1709 Preview build 17063.1000

Fails for VB 5.1.28 , 5.1.30 and 5.2.4 .

Repeat:
1. Turn on Windows insider program from Windows Settings/Windows Insider Program and chose ""What pace do you want to get new builds"" - ""fast""
2. Check for updates via Windows Settings/Windows Update
3. Reboot
4. See the way it fails and Win 10 guest substs VB driver by default Microsoft Basic Display driver

Thank you for development.",MikhailRokhin
17423,Oracle Linux 6 Booting Error From vboxadd,VirtualBox 5.2.4,Linux,2018-01-05T23:20:07Z,2018-02-15T01:41:36Z,2018-02-15T01:41:36Z,"When booting version 6 of Oracle Linux (4.1.12-112.14.2.el6uek.x86_64 in this case but failed in previous ones) in the vboxadd script. This is because the log is not yet initialized. By adding line 256 shown below, the error no longer occurs and the script completes.

    253     fi  # INSTALL_NO_MODULE_BUILDS
    254 
    255     # Put the X.Org driver in place.  This is harmless if it is not needed.
    256 log ""Dons fix.""
    257     ""${INSTALL_DIR}/init/vboxadd-x11"" setup 2>> ""${LOG}""
    258     # Install the guest OpenGL drivers.  For now we don't support
 ",DonC
17455,Host USB is locked after shared folders were added,VirtualBox 5.2.4,Windows,2018-01-14T22:47:04Z,2019-01-27T22:12:20Z,2019-01-27T22:12:20Z,"I have a USB Stick with Windows 10 Installation files on it. If this stick is attached and I added some folders in the VM, I simply can’t eject it in the host Windows, because it is constantly locked. Even if I add some folders not on the USB drive. After I used a Process Explorer I could see, that there is a handle to the setup.exe on the USB. I attached the logs, because there one can see, that this is hardening issue. The only way to solve it right now is either kill the handle or close VM. This started way back, as hardening was added.",boxer01
17464,Left clicking not responding in a short time after typing,VirtualBox 5.2.4,Windows,2018-01-17T00:21:09Z,2018-01-17T07:58:39Z,2018-01-17T07:58:39Z,"When I finished typing something, the mouse (left click) is not responding in a short time.  I need to click twice or more, or wait for a short time and then click again.


Guest Operating System: Windows 10

Host Operating System:  macOS",jaywang
17466,Win GAs installation dialog; clarify Direct3D vs WDDM installation option.,VirtualBox 5.2.4,Windows,2018-01-17T04:51:32Z,2018-01-17T04:51:32Z,2018-01-17T04:51:32Z,"When installing the GAs in a Win7 guest, the following question is asked at the graphics interface choice phase:
> ''This system supports the Windows Aero (WDDM) interface.'' [[br]]
> ''!VirtualBox support for this feature is experimental and should not be used on production systems yet.''
> 
> ''Would you like to install basic Direct3D support instead?''
The answer is a ""Yes""/""No"" one. I believe that it could be clearer if the answer was ""Install Direct3D""/""Install WDDM"".

I tried to find the dialog answers in ""[https://www.virtualbox.org/browser/vbox/trunk/src/VBox/Additions/WINNT/Installer/Languages/English.nsh /vbox/src/VBox/Additions/WINNT/Installer/Languages/English.nsh]"" but there seems to be no provision to change the text in the ""Yes""/""No"" buttons.

I know that the change has to happen in ""[https://www.virtualbox.org/browser/vbox/trunk/src/VBox/Additions/WINNT/Installer/VBoxGuestAdditions.nsi /vbox/trunk/src/VBox/Additions/WINNT/Installer/VBoxGuestAdditions.nsi]"" as well, I just don't know how to implement custom buttons in the NSI installer.",Socratis
17474,Black Screen of Death after update to 5.2.6 from 5.2.4,VirtualBox 5.2.6,Linux,2018-01-18T03:00:26Z,2018-02-28T09:59:38Z,2018-02-28T09:59:38Z,I am using Windows 10 to run Oracle Virtual Box 5.2.4. The notification of an update came and I updated it to the latest (5.2.6) and that was fine. I have a virtual machine running Ubuntu 16.04 and while running the old vm tools I updated the vm tools and it crashed. The virtual machine will not boot past the Oracle boot screen,Dominic M
17482,Windows 7 guest - Shared Folders empty,VirtualBox 5.2.6,Windows,2018-01-19T11:50:29Z,2018-02-01T12:40:51Z,2018-02-01T12:40:51Z,"Upgrading from Virtualbox 5.2.0 shared folders on windows 7 guest machine stops to play. 
VBOXSVR network resource is still visible but it's empty.
Adding ""homegroup"" on ""home network"" Windows configuration enable folders, but on machine restart stops again.

Host is Ubuntu 17.10.",pmonaco
17503,VBoxExtPackRegister returned VERR_VERSION_MISMATCH,VirtualBox 5.2.6,Windows,2018-01-27T05:29:19Z,2018-01-27T09:44:05Z,2018-01-27T09:44:05Z,"VBoxExtPackRegister returned VERR_VERSION_MISMATCH, pReg=0000000000000000 ErrInfo='VirtualBox version mismatch - expected 5.2 got 5.0'.


Result Code: 
E_FAIL (0x80004005)
Component: 
ExtPackManagerWrap
Interface: 
IExtPackManager {edba9d10-45d8-b440-1712-46ac0c9bc4c5}
",DSquad
17529,VBoxManage and Guest Additions 5.x.y: Can't communicate with FreeBSD Guests,VirtualBox 5.2.6,BSD,2018-02-06T11:32:10Z,2021-03-18T09:37:39Z,2021-03-18T09:37:39Z,"I've been trying to get FreeBSD to work with VBoxManage for a while (in fact for several years, since 9.3).

This is the result of testing VirtualBox 5.2.6 on Ubuntu with FreeBSD-11.1-RELEASE-amd64 as guest. 

{{{
$ VBoxManage guestcontrol freebsd-11.1-amd64 --username root --password 2Hard2Crack stat /tmp --verbose
Creating guest session as user 'root'...
Waiting for guest session to start...
VBoxManage: error: The specified user was not able to logon on guest
VBoxManage: error: Details: code VBOX_E_IPRT_ERROR (0x80bb0005), component GuestSessionWrap, interface IGuestSession, callee nsISupports
VBoxManage: error: Context: ""WaitForArray(ComSafeArrayAsInParam(aSessionWaitFlags), 30 * 1000, &enmWaitResult)"" at line 938 of file VBoxManageGuestCtrl.cpp
Closing guest session ...
}}}

Guest Additions were installed with pkg:
{{{
[root@freebsd ~]# pkg install -y virtualbox-ose-additions
[root@freebsd ~]# sysrc vboxguest_enable=""YES""
vboxguest_enable: NO -> YES
[root@freebsd ~]# sysrc vboxservice_enable=""YES""
vboxservice_enable: NO -> YES
[root@freebsd ~]# reboot
}}}

Guest Additions kernel module is loaded in Guest:
{{{
[root@freebsd ~]# VBoxService --version
5.2.4r119758
[root@freebsd ~]# kldstat|grep vbox
 3    1 0xffffffff8221f000 2eacb    vboxguest.ko
}}}",Jonas Almroth
17535,Guest Additions contain old DirectX9 DLLs,VirtualBox 5.2.6,Windows,2018-02-09T17:29:02Z,2018-02-12T11:09:20Z,2018-02-12T11:09:20Z,"Hello,

when installing the Guest Additions, the following files are replaced d3d8.dll and d3d9.dll. Unfortunately this are old DLL versions (it should be at least 5.03.2600.5512), the Oracle Version is 5.02.0006.20293. So DxDiag shows an error with those two files. Furthermore, it seems that this error is also causing sound issues with iTunes and VirtualDj 8, as there is a crackling in the sound. Both are using DirectX.

Can you please fix this in the next version of the GuestAdditions?

Kindest regards,
Heiko",Boettgerie
17541,Input/output error when running ./VBoxLinuxAdditions.run on headless guest,VirtualBox 5.2.6,Linux,2018-02-13T15:32:29Z,2018-02-13T15:47:00Z,2018-02-13T15:47:00Z,"After having installed build-essential on a fresh installed Guest running Ubuntu 17.10 Server (installed from ubuntu-17.10.1-server-amd64.iso) I tried to install the Guest Additions but failed with an Input/output error.

{{{
peter@ubuntu-s:~$ sudo /mnt/VBoxLinuxAdditions.run
sudo: unable to execute /mnt/VBoxLinuxAdditions.run: Input/output error
}}}

Next I tried to install the guest additions for 5.2.7. While this worked so far it produced a ""modprobe vboxsf failed"" message.

After a reboot and a second try to install VirtualBox 5.2.7 Guest Additions for Linux the installation finished without an error.

For further details see attached console-log-1.txt.",PeterG
17549,Themes and UI elements missing after installing Guest Additions,VirtualBox 5.2.6,Linux,2018-02-18T17:43:50Z,2018-02-18T18:12:42Z,2018-02-18T18:12:42Z,"Host: Debian 8 / jessie
Guest: Ubuntu 16.04.3 LTS (Xenial)

After installing Guest Additions on the guest, all of the the theming is gone, all of the icons are blank / x-ed out.  See attachment.",VeHav2GoVeeper
17552,Invalid SELinux context for /etc/ld.so.cache and/or restorecon,VirtualBox 5.2.6,Linux,2018-02-19T16:53:54Z,2018-03-05T17:19:01Z,2018-03-05T17:19:01Z,"Every time my Fedora 27 guest boots, when I log in, I have audit alerts relating to ""restorecon"" being denied access to ""/etc/ld.so.cache"".  I am not strongly familiar with SELinux, but, after reviewing bug reports to the Fedora bug tracker, I believe the cause of the issue is the VirtualBox Guest Additions invoking ""restorecon"" with an incorrect security context, as it attempts to set the proper security context on ""/etc/ld.so.cache"".

I have the guest additions 5.2.7-120528 installed on the guest, and I keep the Fedora 27 packages up to date.",Kevin L Mitchell
17571,Guest additions will not build using gcc 6,VirtualBox 5.2.6,Linux,2018-02-27T15:36:43Z,2018-02-28T14:51:56Z,2018-02-28T14:51:56Z,"See attached log.
This is on a Ubuntu 1204 guest using gcc6 from 
https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/test 

Builds are OK using gcc5 from same source",tomasth
17577,Unusable window system on Ubuntu 1204 guest using 5.2.8 or GA 5.2.7,VirtualBox 5.2.8,Linux,2018-02-28T22:51:03Z,2018-05-22T09:56:11Z,2018-05-22T09:56:11Z,"After installing 5.2.8 (and also after testing GA 5.2.7 against 5.2.6 to address 3D acceleration bug - Ticket #17463, Ticket #17569) my Ubuntu 1204 system became unusable. E.g. when I try to run terminal I cannot see the console window and cannot switch to it with Alt-Tab or any other means. The Alt-Tab icons look different as well. The problem went away on 5.2.6 after moving back to GA 5.2.6 but I really need a fix for the 3D issue so that is not where I want to be.",tomasth
17582,Guest Addition don't work with latest version of Fedora 27,VirtualBox 5.2.6,other,2018-03-02T10:56:47Z,2018-03-02T10:56:47Z,2018-03-02T10:56:47Z,"It is not possible to (re)install VBox Guest Additions anymore. Don't know the exact reason, added the log.",pueffl
17583,VBoxControl guestproperty set fails with error VERR_PERMISSION_DENIED,VirtualBox 5.2.8,Linux,2018-03-02T22:57:29Z,2019-02-16T22:39:27Z,2019-02-16T22:39:27Z,"The VBoxControl commands below have run fine on numerous previous versions of VirtualBox no longer work on VirtualBox 5.2.8 in the specified guest/host

These commands are being run as root in the guest and fail as shown below:

[root@localhost sva.ledgerU]# VBoxControl --nologo guestproperty set /VirtualBox/GuestAdd/SharedFolders/MountPrefix ''

VBoxControl: error: Failed to store the property value, error VERR_PERMISSION_DENIED

[root@localhost sva.ledgerU]# VBoxControl --nologo guestproperty set /VirtualBox/GuestAdd/SharedFolders/MountDir ""/mnt/hgfs""

VBoxControl: error: Failed to store the property value, error VERR_PERMISSION_DENIED

",jimf
17605,VirtualBox does not see 255 char filename,VirtualBox 5.2.6,Linux,2018-03-08T04:29:47Z,2018-03-08T04:29:47Z,2018-03-08T04:29:47Z,"The following file in a shared folder was invisible to VirtualBox, even though the filename should be short enough:

5b494649325c42726f6b6572506f7274616c42756e646c655c4d616e616765725c42726f6b6572506172746e65724167656e63794d616e6167657223676574436f6272616e6451756572794275696c646572466f7242726f6b6572506172746e65724167656e63794964405b416e6e6f745d5d5b315d.doctrinecache.data

The file cannot be viewed using ls, nor can directories containing it be removed using rm -R",shkkmo
17613,Installing Guest Additions fails on Windows Vista Guest.,VirtualBox 5.2.6,Windows,2018-03-10T16:51:46Z,2018-03-10T16:51:46Z,2018-03-10T16:51:46Z,"I am trying to install Guest Additions onto a Windows Vista Sp1 VM, but it keeps stopping. All I try to do is install it, but it fails. My Host System is Windows 10 Fall Creators Update.",RealTTNetwork
17619,tools (guest additions) and drivers don't build on SL7,VirtualBox 5.2.8,Windows,2018-03-13T05:30:03Z,2018-03-16T02:04:08Z,2018-03-16T02:04:08Z,"Hi,
With updated kernel in SL7 (and I assume CentOS7 and RHEL7) 3.10.0-693.21.1.el7.x86_64 drivers (and tools on linux guest) no longer compile.
Looks like it is due to REPTOLINE kernel changes.

make V=1 CONFIG_MODULE_SIG= -C /lib/modules/3.10.0-693.21.1.el7.x86_64/build SUBDIRS=/tmp/vbox.0 SRCROOT=/tmp/vbox.0 -j12 modules
arch/x86/Makefile:166: *** CONFIG_RETPOLINE=y, but not supported by the compiler. Toolchain update recommended.. Stop.
make: *** [vboxdrv] Error 2

I can reboot in previous kernel as a workaround.

Thanks,

GZU",GZU
17632,aero in vBOX,VirtualBox 5.2.8,Windows,2018-03-22T09:05:17Z,2018-04-19T15:39:30Z,2018-04-19T15:39:30Z,"in virtualbox, when i install windows 7 for exemple and install add-ons for drivers, i am not able to activate aero or other visual effects. I have also activate 3d support in the configuration of the VM.

Is it a bug?",jejelegeek
17639,synced folder not working  (Ubuntu 16.04 hosting debian/stretch64 9.4.0 ),VirtualBox 5.2.8,Linux,2018-03-26T12:42:23Z,2018-03-29T08:35:23Z,2018-03-29T08:35:23Z,"When setting up a VM via '''Vagrant 2.0.1''' using '''VirtualBox 5.2.8''' and guest additions 5.2.8, touching a file in the default synced folder /vagrant does not make that file appear on the host side.

a similar test works fine for a guest of type ""ubuntu/xenial64 v20180215.0.0"".

how to reproduce: create following Vagrantfile (also attached):


{{{
Vagrant.configure(""2"") do |config|

      config.vm.box = ""debian/stretch64"" # or generic/debian9
      config.vm.box_version = ""9.4.0""
      config.ssh.insert_key = false

      config.vm.network ""private_network"", ip: ""192.168.33.10""
end
}}}

and the run following script from the hos:

{{{
#!/usr/bin/env bash

# to run from tools/vagrant/

set -x
set -e
set -u

GUEST=${1:-""default""} #$1    # name from `vagrant status`

export VERSION=5.2.8   # must be equal to the VirtualBox version!
export URL=""http://download.virtualbox.org/virtualbox/""$VERSION""/VBoxGuestAdditions_""$VERSION"".iso""

time vagrant ssh $GUEST << HERE

set -e
set -x

sudo bash

apt-get update

apt-get install -y dkms build-essential

apt-get install -y linux-headers-amd64 linux-headers-4.9.0-4-amd64

apt-get install -y module-assistant

cd /opt/

wget -c $URL -O vb.iso
mount vb.iso -o loop /mnt

cd /mnt/
sh ./VBoxLinuxAdditions.run --nox11

cd /opt
sudo rm *.iso

lsmod | grep vboxguest || echo ""*** something went wrong while attempting to install the guest additions""

HERE


}}}

touch a file in /vagrant

observe that the file does not appear in the host location.

",axd
17705,Question regarding status of upstream vboxguest module,VirtualBox 5.2.10,Linux,2018-04-22T20:21:31Z,2018-05-07T15:17:26Z,2018-05-07T15:17:26Z,"Not really sure what's the best place to ask such question but I hope someone here will know the answer.

I've just tried vboxguest module shipped with 4.16 kernel in a guest running both under VirtualBox 5.2.8 (Windows) and VirtualBox 5.2.10 (Linux). Every time it ends up the same:
{{{
vbg_status_code_to_errno: Unhandled err -1
vboxguest: probe of 0000:00:04.0 failed with error -71
}}}
followed by unknown symbols from vboxsf:
{{{
vboxsf: Unknown symbol VBoxGuest_RTMemTmpFree (err 0)
...
}}}
From what I've gathered so far vboxsf is not expected to work until it's mainlined as well. However my primary question is whether mainlined vboxguest is expected to work now? Or maybe not ready for prime time yet?",Jan Palus
17728,Can't mount shared folder from fstab,VirtualBox 5.2.10,Linux,2018-05-03T19:36:50Z,2018-05-07T19:01:37Z,2018-05-07T19:01:37Z,"I an Arch Linux guest on a MacOS install of VirtualBox. I mount the shared folder using the following line in my Arch installation's fstab file:

{{{archway /home/josh/archway vboxsf uid=1000,gid=1000 0 0}}}

Recently Arch began booting into emergency mode with the error:

{{{vboxsf: Old binary mount data not supported, remove obsolete mount.vboxsf and/or update your VBoxService.}}}

This is the same issue described by a user on the Arch Linux forums:
https://bugs.archlinux.org/task/58272

Commenting out the aforementioned line in the fstab file allows the guest to boot normally, but this is not a desirable fix.
",professed
17739,Seamless mode not working with Fedora 28 guest,VirtualBox 5.2.10,Linux,2018-05-06T19:15:33Z,2018-07-31T19:11:04Z,2018-07-31T19:11:04Z,"After vbox guest additions are installed with no errors, I observe that the seamless mode option is no longer disabled but I am still unable to copy/paste in either direction.

Entering seamless mode also does not show the windows open in guest OS but I am unfamiliar with seamless mode to know if it was user error or system error.

Host - 
Windows 10
Virtual box version - 5.2.10 r122406

Guest - 
Fedora 28
`uname -r` - 4.16.6-302.fc28.x86_64",AB
17740,"resolution lock with VB and GA  5.2.10  ubuntu 18.04 host, windows 10 pro guest, nvidia-340 driver",VirtualBox 5.2.10,Windows,2018-05-07T08:07:12Z,2018-05-07T11:10:17Z,2018-05-07T11:10:17Z,"Tried several times to install/uninstall Guest Additions,
however there are problems with video driver, as resolution gets locked to 800x600, with flickers etc.

GA: 5.2.10, VB: 5.2.10_Ubuntu r121806

Guest: windows 10 pro

changed generic nvidia driver with specific nvidia-340.106 driver

The graphics card is an old

Quadro FX 580
  ",ft
17755,[guest additions] mouse laggy after unlock screen,VirtualBox 5.2.10,Linux,2018-05-11T06:56:04Z,2018-05-11T15:33:08Z,2018-05-11T15:33:08Z,"After locking screen and unlocking it in guest system the mouse pointer becomes slow and laggy. I have enabled guest additions.

guest xubuntu 64bit 18.4 running on xfce4,
host win 10

",mar10
17780,CentOS 7.5 Guest Additions not installing,VirtualBox 5.1.38,Linux,2018-05-21T15:54:38Z,2018-05-21T16:00:44Z,2018-05-21T16:00:44Z,"I had a CentOS 7.4 VM and then I updated it to the latest kernel so that it is now running CentOS 7.5 and my screen won't resize and I can't copy/paste between my Windows Host and my VM. Originally I was on VirtualBox 5.1.32 and I tried reinstalling the guest additions, this didn't work and I couldn't work out what was causing the issue from the VBoxAdd-install.log.

I saw a fix in the latest version of VirtualBox but this didn't fix the issue even after installing the latest guest additions.

Rough Steps to Reproduce:

 - Upgrade CentOS 7.4 VM to CentOS 7.5
 - Install latest guest additions",oletts
17790,Screen resolution limited after Linux guest OS update,VirtualBox 5.2.12,Linux,2018-05-30T18:18:13Z,2018-06-12T09:39:42Z,2018-06-12T09:39:42Z,"After updating the OS of an Oracle Linux guest OS, the screen resolution becomes limited to 640x480, 800x600 and 1024x768 and cannot be set to a higher resolution. 

Related forum thread:
https://forums.virtualbox.org/viewtopic.php?f=3&t=88072

To reproduce the result: 
1) download the Oracle DB Developer VM image
2) import and start the Linux guest VM
3) review the screen resolution options 
4) set screen resolution to a high resolution option (e.g. 1600x1200)
5) shutdown VM
6) update the guest OS using the standard OS update process
7) restart the VM
8) review screen resolution options on the Linux guest
9) display options should show only 640x480, 800x600 and 1024x768

",elewis33
17804,Win10 and 7 host OracleEnterpriseLinux 6.7 guest addition clipboard and window resize does not work,VirtualBox 5.2.12,Linux,2018-06-05T20:46:33Z,2018-06-12T09:39:34Z,2018-06-12T09:39:34Z,"HostOS: Win10 Pro, Win7Pro
GuestOS: Oracle Linux 6.7
uname -a: Linux demo.us.oracle.com 3.8.13-118.4.2.el6uek.x86_64 #2 SMP
VBox: Version 5.2.12 r122591 (Qt5.6.2)
Guest Addition: 5.2.12 successfully installed under OS user 'oracle' and root authentication was given during the install.
Mouse integration works, I can move the mouse outside of VBox window without pressing Right-CTRL.
Devices/Shared Clipboard is set to bi-directional
Devices/Drag and drop disabled
Devices/Shared Folder is set and auto-mount is working, files can be read and written.

What does not work is:
1. Clipboard between host and guest do not work in any direction regardless what is the Devices/Shared Clipboard setting
2. VBox window resizing worked before guest addition was installed, after that it stopped working only 800x600 screen size is available by default. Within Linux manual reset of the resolution works but the information gets lost and reset to 800x600 after reboot.
3. when switching Linux OS user from 'oracle' to 'root' the screen resizing starts working and the clipboard bidirectional as well.
4. When switching back to 'oracle' it is not working

The clipboard integration makes it as a major incident.

",Laszlo
17813,Page fusion causes VERR_PGM_PHYS_INVALID_PAGE_ID,VirtualBox 5.2.12,Windows,2018-06-11T16:28:26Z,2018-06-11T16:28:26Z,2018-06-11T16:28:26Z,"VMs with Windows guests have pagefusion on and Guest Additions 5.2.12 installed.

VBox.log of one of them (Windows 2012 R2 64-bit) shows:

08:37:31.516883 AssertLogRel /home/vbox/vbox-5.2.12/src/VBox/VMM/VMMR3/PGMShared
Page.cpp(237) VBOXSTRICTRC pgmR3SharedModuleRegRendezvous(PVM, PVMCPU, void*): R
T_SUCCESS_NP(rc)
08:37:31.516935 VERR_PGM_PHYS_INVALID_PAGE_ID (-1637) - Trying to free a page wi
th an invalid Page ID.

The VM is effectively useless after this and can only be recovered by power-cycling the VM.",Stephen Rondeau
17817,Add support for OpenBSD in guest additions,VirtualBox 5.2.12,BSD,2018-06-12T19:40:14Z,2018-06-13T23:31:26Z,2018-06-13T23:31:26Z,"https://www.virtualbox.org/manual/ch03.html#guestossupport states no OpenBSD support in guest additions //yet//. OpenBSD support in VirtualBox has come a long way over the years and it's an attractive option for development/testing and virtual desktop use. Is guest addition support feasible?

Would be great to see support for some pressing usability enhancements, e.g. resizing guest display support, shared folders, shared clipboard, time synchronization. ",crater
17844,shared folders not working correctly on Lubuntu 18.0.4 guest,VirtualBox 5.2.12,Linux,2018-06-28T23:02:40Z,2020-02-18T09:05:18Z,2020-02-18T09:05:18Z,"Shared folders worked on Lubuntu 16 but failed after I upgraded to 18.0.4 (thankfully I have a backup copy of 16).
The shared folders mount points do not show up on reboot, and I have to re-run the installer script from the additions CD image after each reboot.  The mount points (sf_source) then show up in /media/... but get a permission denied error trying to view them.   This appears to be a permission (or access list) problem in creating the mountpoint directories, and I can view the contents of the directories with ""sudo ls /media/sf_source'.  This sudo workaround, is, of course, not something I can actually live with.
I have tried reinstalling/rebuilding the guest additions multiple times, without a change in behavior.
",ccox
17846,vboxmanage does not work with ubuntu 18.04,VirtualBox 5.2.12,Linux,2018-07-01T20:26:04Z,2018-07-01T20:26:04Z,2018-07-01T20:26:04Z,"wes:tmp zmansour$ vboxmanage guestcontrol ubu1804 --verbose --username juser --password jpassword run --exe /bin/ls --timeout 3000 --wait-stdout --wait-stderr
Creating guest session as user 'juser'...
Waiting for guest session to start...
Successfully started guest session (ID 1)
Starting guest process (within 3000ms)
Process '/bin/ls' (PID 1738) started
VBoxManage: error: Reading from process ""/bin/ls"" (PID 1738) failed: VERR_TIMEOUT.
VBoxManage: error: Reading from process ""/bin/ls"" (PID 1738) failed: VERR_TIMEOUT.
Process monitor loop quit with vrc=VERR_GENERAL_FAILURE
Closing guest session ...
wes:tmp zmansour$ ",zmansour
17848,editing of shared folders is very annoying - folder name changes arbitrarily,VirtualBox 5.2.12,all,2018-07-02T15:45:14Z,2018-07-02T15:45:14Z,2018-07-02T15:45:14Z,"When editing an existing share, changing the folder path changes the folder name

so... If I have a folder z:\codebase\dev mapped to a 'code' share, all is well... but when I update the folder to z:\codebase\prod, the name changes to 'prod'

This copy-down from (leaf name from folder path) to folder name should only happen if the folder name is empty - otherwise... leave it alone!!",tim61
17877,RHEL 7.5 Guest Blank Login screen,VirtualBox 5.2.16,Linux,2018-07-20T06:54:19Z,2018-07-28T17:45:32Z,2018-07-28T17:45:32Z,"Installed Latest RHEL 7.5 and used Virtual Box 5.2.16 r123759. As soon as 
I install the Guest additions and reboot, I can not login to 
Graphical Desktop. Instead of login, it just shows blank screen. Uninstalling
the guest additions fixes the issue. 

Please note that guest additions installs fine and no issues are
reported. 

Output of /var/log/vboxadd-setup.log
Building the main Guest Additions module.
Building the shared folder support module.
Building the graphics driver module.

Red Hat Enterprise Linux Server release 7.5 (Maipo)

Kernel version

3.10.0-862.9.1.el7.x86_64",ketan
17886,VM self-terminates on MacOS,VirtualBox 5.2.16,Linux,2018-07-24T00:59:32Z,2018-11-15T16:50:17Z,2018-11-15T16:50:17Z,"Note: ''' I have only witnessed this behavior since upgrading''' to the last version I was prompted for.

Since upgrading to this version of VirtualBox, my VM disappears from the Dock, and its status is 'Aborted' in the VM manager window.

I am unable to identify any particular action taken by me that causes it, since I am never looking or using the VM when it happens.

----
'''MacOS:''' 10.13.6[[BR]]
'''VirtualBox:''' 5.2.16 r123759 (Qt5.6.3)[[BR]]
'''VM:''' Ubuntu 16.04 x64[[BR]]
'''Hardware:''' 2016 15"" MBP, 2.9GHz, 16GB 2133MHz, Raedon Pro 460 4GB/Intel HD 530 1.5GB [[BR]]
----

I'm attaching the logs I saved through the GUI, and a cursory grep through `/var/log/system.log` yielded the following (''I have no idea if it's related to the shutdown or not''):

{{{
VirtualBox[26651]: objc[26651]: Class FIFinderSyncExtensionHost is implemented in
both /System/Library/PrivateFrameworks/FinderKit.framework/Versions/A/FinderKit (0x7fff8e04cc90)
and /System/Library/PrivateFrameworks/FileProvider.framework/OverrideBundles/FinderSyncCollaborationFileProviderOverride.bundle/Contents/MacOS/FinderSyncCollaborationFileProviderOverride (0x10dc79cd8).
One of the two will be used. Which one is undefined.
VirtualBox[26651]: notify name ""user.uid.501.BRNotificationServerAvailabilityChanges""
has been registered 20 times - this may be a leak
VirtualBox[26651]: assertion failed: 17G65: libxpc.dylib + 75013
 [0BC7AD67-671D-31D4-8B88-C317B8379598]: 0x89
}}}",Ryan Lederman
17927,VBoxLinuxAdditions.run --target is dangerous if dir exists (possible data loss),VirtualBox 5.2.16,Linux,2018-08-14T12:30:53Z,2018-08-14T12:30:53Z,2018-08-14T12:30:53Z,"Running VBoxLinuxAdditions.run usually creates a directory in /tmp. But running this script with option --target <dir> is very dangerous, if the directory <dir> already exists. This may result in a possible large data loss! The script more or less does:

1.  mkdir <dir>
2.  [extract several files to <dir>]
3.  chown -R <currentuser>:<currentuser> <dir>
4.  [build and install drivers]
5.  rm -rf <dir>

Now imagine you call this with the home directory as argument.

  sudo ./VBoxLinuxAdditions.run --target ~

1. This is a no-op, the home directory already exists.
2. This will extract files all across the home directory. Bad idea!
3. This will transfer ownership of *all* files in user's home directory (including the directory itself) to root. Very bad idea!!!
4. [not relevant]
5. This will remove the whole home directory. Totally unacceptable!!!

This is a grossly negligent, even fatal script design!!!!

If you want to do it this way, then there *must* be a check if the target directory <dir> already exists and the script must fail with an error if so.",Hagge
17949,Mac OS High Sierra Host - Windows 10 Guest - Shared folder is read-only,VirtualBox 5.2.18,Windows,2018-08-22T17:26:45Z,2018-08-27T23:52:12Z,2018-08-27T23:52:12Z,"I have created a shared folder. I made sure that read-only is not checked. Virtualbox guest additions is installed. When shared folder is mounted, all directories in the Windows 10 guest are marked as read-only. Unchecking them, to make writable does nothing.",MB2
17967,Shared Folders from Linux Guest VM not accessible,VirtualBox 5.2.18,Linux,2018-09-02T03:45:25Z,2018-09-02T03:45:25Z,2018-09-02T03:45:25Z,"After an update from Arch Linux 4.15.12-1 to 4.18.3 the use of shared folders in a Linux Guest VM is broken. The VirtualBox drivers were updated from 5.2.8 to 5.2.18.

During the build of my Arch Linux I performed the following steps:
I created a file /etc/modules-load.d/virtualbox.conf with three lines:

{{{
vboxguest
vboxsf
vboxvideo
}}}

Then I entered:

{{{
pacman -S virtualbox-guest-modules-arch
pacman -S virtualbox-guest-utils
systemctl enable vboxservice.service
reboot

}}}

My Arch Linux systems were running without problems for more than a year. I had several updates in between. After the last update I can’t access the files on the Windows host via shared folders.
Every time I boot I get the following error message in front of the login prompt:
vboxsf: Old binary mount data not supported, remove obsolete mount.vboxsf and/or update your VBoxService.

My mount as a user in .bashrc doesn’t work:

{{{
sudo mount -t vboxsf D_DRIVE /home/peter/d
}}}


I have tried a lot to find a solution. I have renamed or removed the following files:

{{{
/usr/lib/virtualbox/mount.vboxsf
/usr/bin/mount.vboxsf
/etc/modules-load.d/virtualbox.conf
}}}


----

Then I have built a completely new Arch Linux VM system with Kernel 4.18.5. I know that since kernel 4.16 the modules vboxguest and vboxvideo are integrated into the kernel.
I don’t get the error message, but I can not mount as root:

{{{
mount -cit vboxsf D_DRIVE d
}}}


I have tried to blacklist the vboxguest module and install the drivers like above. Then I get the error message.

I think there is a bug in the vboxguest modules.
",PeterE
17971,Protocol error when using PHP rename over shared folders.,VirtualBox 5.2.18,Windows,2018-09-06T18:45:34Z,2018-09-06T18:45:34Z,2018-09-06T18:45:34Z,"I am trying to rename/move a file that is living in a directory and I am giving a new name to the file and a new directory as well. Below is an snippet of such code:

{{{
rename($currentFilePath, $newname);
}}}

For some reason `rename()` is returning an error like the following:

> Protocol error var/www/html/editor/application/models/forms_model.php 455

I am trying now executing the command `mv` directly into the VM and this is the result:

{{{
$ mv /var/www/html/epa_editor/public/epa_forms/archive/Clone_16621_SamplePDFFile_5mb.pdf ""/var/www/html/epa _editor/public/epa_forms/stage/testing (Clone of Form #: 15615).pdf""
    mv: cannot move `/var/www/html/epa_editor/public/epa_forms/archive/Clone_16621_SamplePDFFile_5mb.pdf' to `/var/www/html/epa_editor/public/epa_forms/stage/testing (Clone of Form #: 15615).pdf': Protocol error
}}}

So apparently is a VBox issue with shared folders that has not been fixed. 

Related issues closed as ""fixed"":

 * https://www.virtualbox.org/ticket/1393
 * https://www.virtualbox.org/ticket/8463
 * https://www.virtualbox.org/ticket/1393
 * https://www.virtualbox.org/ticket/1321

The original issue was reported at SO (https://stackoverflow.com/questions/52209856/php-5-3-3-rename-function-fails-with-protocol-error) looking for help but it's not a PHP error but VBox.

  [1]: http://php.net/manual/en/function.rename.php
  [2]: https://stackoverflow.com/questions/19139434/php-move-a-file-into-a-different-folder-on-the-server
  [3]: https://www.virtualbox.org/ticket/1393",reynierpm
17972,vboxsf module crashes guest OS after accessing host-side symlinks in shared folder,VirtualBox 5.2.18,Linux,2018-09-07T16:21:10Z,2018-09-07T17:11:50Z,2018-09-07T17:11:50Z,"Host OS: Windows 7 x64 Enterprise[[BR]]
Guest OS: CentOS 7 x64, kernel 3.10.0-862.11.6.el7.x86_64

Scenario:
* A shared folder is configured, with host path ""d:\VirtualBox Shared"", under name ""shared"".
* HOST: Create a file symlink d:\VirtualBox Shared\2\test.txt pointing to a file C:\Temp\test.txt:[[BR]]
{{{
C:\>mklink ""d:\VirtualBox Shared\2\test.txt"" c:\Temp\test.txt
symbolic link created for d:\VirtualBox Shared\2\test.txt <<===>> c:\Temp\test.txt
}}}
* GUEST: try to access the symlink (in the last output, the link target is blinking, indicating it's inaccessible):
{{{
flint@localhost / $ cp /media/sf_shared/2/test* /tmp
cp: cannot stat ‘/media/sf_shared/2/test.txt’: No such file or directory
flint@localhost / $ ls -l /media/sf_shared/2/test.txt
lrwxrwx--- 1 root vboxsf 0 Sep  7 18:39 /media/sf_shared/2/test.txt -> C:/Temp/test.txt
}}}
* HOST: Delete the link and replace it with a plain file:
{{{
C:\>del ""d:\VirtualBox Shared\2\test.txt""

C:\>copy nul ""d:\VirtualBox Shared\2\test.txt""
        1 file(s) copied.
}}}
* GUEST: try to acccess the replaced file again:
{{{
flint@localhost / $ cp /media/sf_shared/2/test* /tmp
}}}

Result: guest OS crashes and reboots. My friend helped with analyzing the dump, and concluded that the crash occurred in the vboxsf.ko module. Most of the dentry->d_inode->i_op callback fields on this file have zero values (all of them, except for getattr and setattr).

The dmesg is attached; kernel core dump can be downloaded from here:
https://drive.google.com/open?id=1yFrDInJg8bgWXv-8kErs31W8Vn90aRYo",Konstantin Vlasov
18016,Mouse problem with Win10 1809 guest and two displays,VirtualBox 5.2.18,Windows,2018-09-27T14:32:46Z,2018-12-17T11:33:59Z,2018-12-17T11:33:59Z,"Hi,
using the latest Win10 build causes a problem when using two displays: The cursor is not in place 'where the action is' (sorry, don't have better words to describe it). There is kind of an offset that gets larger the more I move the mouse to the right. You point the mouse to a desktop icon, and another icon to the right gets highlighted. Happened after updating the guest to Win10 1809. With one display all is fine.
Host: Laptop with core-i5, two additional 1080p-displays (VGA and HDMI), Mageia Linux 6 (64bit), VBox 5.2.18, kernel 4.14.70
Guest: Windows 10 Version 1809 build 17763.1, 64bit",Squonk
18053,Query Installed Guest Extensions Version,VirtualBox 5.2.18,other,2018-10-16T14:35:29Z,2018-10-25T23:52:41Z,2018-10-25T23:52:41Z,"Not a bug, but a question. I tried looking at the forums but was unable to answer it.

Is there a way to determine the version of Extensions installed on a VM without it running? I looked at ""vboxmanage showvminfo"" but it didn't seem to be listed there nor is there any information shown in the VirtualBox Manager GUI. 

Thanks,",jim.rather
18088,guest additions fail to compile against kernel 4.19,VirtualBox 5.2.20,Linux,2018-10-29T14:55:48Z,2018-10-30T17:08:44Z,2018-10-30T17:08:44Z,"Here is the link for the errors I get:
https://paste.pound-python.org/show/ohbTEHj8QWpqgz3vjxWS/

Best regards,
Serge",pourpier
18092,Guest editions won't install in new Windows 10 1809,VirtualBox 5.2.20,Windows,2018-10-31T18:27:11Z,2018-10-31T20:21:13Z,2018-10-31T20:21:13Z,"As soon as guest edition installation is run on Windows 10 1809 host, the mouse and keyboard stops working. The installation can never be completed because it is impossible to respond to UAC prompt. Tried reboot several times, windows updates, didn't fix the issue.",Skippy
18114,Tray task start looping after dragging a file object from Host to Guest,VirtualBox 5.2.20,Windows,2018-11-07T12:20:49Z,2018-11-11T11:02:40Z,2018-11-11T11:02:40Z,"When I try to drag file objects from my Windows 10 1803 64bit Host-Desktop to the Desktop of Windows 10 1803 32 bit Guest, VirtualBox Guest Additions Tray Application immediately starts to loop during creating interrupts. After passing to the Guest windows, the drag indicator changes ""Cannot drop"".

This is fully reproducible. When dragging extremely slow, the drop may succeed.",SchweizerGarde
18117,vboxsf filesystem doesn't handle no extension file name,VirtualBox 5.2.20,Linux,2018-11-08T20:33:06Z,2018-11-12T16:32:23Z,2018-11-12T16:32:23Z,"I am using VirtualBox version 5.2.20. 
My virtual machine (Ubuntu Linux) is running Windows 10.
I set up shared folders and it mounted with -t vboxsf on the Ubuntu.

Here is error case with vboxsf filesystem: I created "".new.test1."" file but it created "".new.test1"" file.
{{{
chwon@chwon-VirtualBox:~/sandbox/tmp$ echo ""hello"" > .new.test1.
chwon@chwon-VirtualBox:~/sandbox/tmp$ ls -la
total 5
drwxrwxrwx 1 chwon chwon    0 Nov  8 15:12 .
drwxrwxrwx 1 chwon chwon 4096 Nov  8 15:11 ..
-rwxrwxrwx 1 chwon chwon    6 Nov  8 15:12 .new.test1
chwon@chwon-VirtualBox:~/sandbox/tmp$ 
chwon@chwon-VirtualBox:~/sandbox/tmp$ ls .new.test1.
ls: cannot access .new.test1.: No such file or directory
chwon@chwon-VirtualBox:~/sandbox/tmp$ ls .new.test1
.new.test1
}}}

I did same test on Linux ext4 filesystem.
{{{
chwon@chwon-VirtualBox:~/tmp/test$ echo ""hello"" > .new.test1.
chwon@chwon-VirtualBox:~/tmp/test$ ls -la
total 12
drwxrwxr-x 2 chwon chwon 4096 Nov  8 15:28 .
drwxrwxr-x 4 chwon chwon 4096 Nov  8 15:28 ..
-rw-rw-r-- 1 chwon chwon    6 Nov  8 15:28 .new.test1.
chwon@chwon-VirtualBox:~/tmp/test$ ls .new.test1. 
.new.test1.
chwon@chwon-VirtualBox:~/tmp/test$ ls .new.test1
ls: cannot access .new.test1: No such file or directory
}}}

",Arirang
18167,"Shared Folders: if disk removed from host, all disks don't auto-mount in guest",VirtualBox 5.2.22,Linux,2018-12-04T00:30:30Z,2018-12-04T00:30:30Z,2018-12-04T00:30:30Z,"Host: Win7 + VBox 5.2.22 (tried 6.0-BETA3)

Guest: Debian Linux 9

I have multiple mounts enabled:
1. DRIVE_C
2. DRIVE_D
3. DRIVE_E
4. DRIVE_F


now... I have removed drive D from host (physically disconnecting HDD).
what happens next is that Auto-mount only works for Disk C, then it fails for D (expected), but also for Disk E and F... (which must not happen).
Every letter is physically separate HDD.

{{{
root@deb9ws:~# ls /media/sf_C_DRIVE/                                                                                                                                                                              
$Recycle.Bin  Documents and Settings  Install-UltraISO  PerfLogs             Python26                   Temp        WinBoard-4.8.0  hiberfil.sys  virtualbox-opennodes-2018-12-03                                 
$WINDOWS.~BT  Dropbox                 Install.log       Program Files        Recovery                   Temp-Music  Windows         log.log       win32-loader                                                    
$Windows.~WS  Fraps                   Intel             Program Files (x86)  SIERRA                     Temp2       csb.log         log.txt                                                                       
Config.Msi    Games                   NeroHistory_All   ProgramData          System Volume Information  Users       found.000       pagefile.sys                                                                  
root@deb9ws:~# ls /media/sf_D_DRIVE/
root@deb9ws:~# ls /media/sf_E_DRIVE/
root@deb9ws:~# ls /media/sf_F_DRIVE/
}}}


-Technologov. 04.12.2018.",Technologov
18169,Guest Additions will not install properly in Centos,VirtualBox 5.2.22,Linux,2018-12-04T23:46:36Z,2018-12-14T10:19:53Z,2018-12-14T10:19:53Z,"{{{
/tmp/vbox.0/vbox_ttm.c: In function ‘vbox_bo_unpin’:
/tmp/vbox.0/vbox_ttm.c:486:2: error: too many arguments to function ‘ttm_bo_validate’
  ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false);
  ^
In file included from /tmp/vbox.0/vbox_drv.h:92:0,
                 from /tmp/vbox.0/vbox_ttm.c:31:
include/drm/ttm/ttm_bo_api.h:344:5: note: declared here
 int ttm_bo_validate(struct ttm_buffer_object *bo,
     ^
/tmp/vbox.0/vbox_ttm.c: In function ‘vbox_bo_push_sysram’:
/tmp/vbox.0/vbox_ttm.c:525:2: error: too many arguments to function ‘ttm_bo_validate’
  ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false);
  ^
In file included from /tmp/vbox.0/vbox_drv.h:92:0,
                 from /tmp/vbox.0/vbox_ttm.c:31:
include/drm/ttm/ttm_bo_api.h:344:5: note: declared here
 int ttm_bo_validate(struct ttm_buffer_object *bo,
     ^
make[2]: *** [/tmp/vbox.0/vbox_ttm.o] Error 1
make[1]: *** [_module_/tmp/vbox.0] Error 2
make: *** [vboxvideo] Error 2
}}}",bc
18189,"VirtualBox created ""System Volume Information"" folder in all Shared Folders on Host on Version 6.0 RC1",,Windows,2018-12-16T17:33:38Z,2018-12-16T17:54:34Z,2018-12-16T17:54:34Z,"I've got 4 shared folders on my VM
VirtualBox 6.0 RC1 created a ""System Volume Information"" folder in all Shared Folders on my Host 
I'm on Mac OS X MOJAVE 
The Guest is Windows 10 64bits",jlavancier
18195,CentOS 7 boot hangs after installing Guest Additions,VirtualBox 5.2.20,Linux,2018-12-18T14:02:58Z,2018-12-20T07:37:12Z,2018-12-20T07:37:12Z,"
Host: Mac OS
Guest: CentOS 7
VirtualBox Version: 5.2.20 r125813 (Qt5.6.3)

I installed ""Guest Additions"" and restarted my CentOS. Since the CentOS doesn't boot....  it hangs while booting. 
",Harish
18196,OSX GAs binaries not in OSX guest path,VirtualBox 6.0.0,OSX Server,2018-12-18T21:04:40Z,2018-12-18T21:04:40Z,2018-12-18T21:04:40Z,"On Linux based systems the Guest Additions are installed in several places, one being the actual binary (`/opt/VBoxGuestAdditions-6.0.0/bin/VBoxControl`), with two additional links:
{{{
$ whereis VBoxControl
VBoxControl: /usr/bin/VBoxControl /usr/bin/X11/VBoxControl /opt/VBoxGuestAdditions-6.0.0/bin/VBoxControl

 $ ls -al /usr/bin/VBoxControl /usr/bin/X11/VBoxControl /opt/VBoxGuestAdditions-6.0.0/bin/VBoxControl
-rwxr-xr-x 1 root root 911520 Dec  18 13:45 /opt/VBoxGuestAdditions-6.0.0/bin/VBoxControl
lrwxrwxrwx 1 root root     45 Dec  18 22:27 /usr/bin/VBoxControl -> /opt/VBoxGuestAdditions-6.0.0/bin/VBoxControl
lrwxrwxrwx 1 root root     45 Dec  18 22:27 /usr/bin/X11/VBoxControl -> /opt/VBoxGuestAdditions-6.0.0/bin/VBoxControl
}}}
On an OSX guest however only the actual binary(ies) are installed, with no additional links in the Path:
{{{
$ locate VBoxControl
/Library/Application Support/VirtualBox Guest Additions/VBoxControl
/Library/Application Support/VirtualBox Guest Additions/VBoxControl-amd64

$ ls -al /Library/Application\ Support/VirtualBox\ Guest\ Additions/VBoxControl \
         /Library/Application\ Support/VirtualBox\ Guest\ Additions/VBoxControl-amd64 
-rwxr-xr-x  1 root  wheel  907364 Dec 18 13:45 /Library/Application Support/VirtualBox Guest Additions/VBoxControl
-rwxr-xr-x  1 root  wheel  907364 Dec 18 13:45 /Library/Application Support/VirtualBox Guest Additions/VBoxControl-amd64
}}}
Please consider adding symbolic links for the !VirtualBox programs in the Path, wherever this is allowed by the OSX policy (most probably ""`/usr/local/bin`""):
{{{
$ echo $PATH
/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin
}}}
It's going to make it easier/less awkward...",Socratis
18215,6.0.0 Windows guest addition installation aborted,VirtualBox 6.0.0,Windows,2018-12-20T17:21:13Z,2019-09-18T14:03:34Z,2019-09-18T14:03:34Z,"VirtualBox 6.0.0 r127566

Guest: MS Windows 10 EDU build 1803, 64-bit

Host: Linux Mint 19.1 MATE, 64-bit

When trying to install guest additions, the installation in MS Windows 10 will be aborted with error (log files attached). Tried also uninstall old guest additions in first place and then new one but did not help.",Edmund Laugasson
18221,"Getting ""can't apply partial context to unlabeled file"" in Version 6.0.0 -> fixed after (not in) 5.2.26/6.0.4",VirtualBox 6.0.0,Linux,2018-12-22T03:20:08Z,2019-01-31T22:40:16Z,2019-01-31T22:40:16Z,"While booting after changing to Version 6 of VirtualBox running a guest  Oracle Linux 4.1.12-124.22.4.el6uek.x86_64, I get the following message in boot.log:
{{{
VirtualBox Guest Additions: Starting.
chcon: can't apply partial context to unlabeled file `/opt/VBoxGuestAdditions-6.0.0/src/vboxguest-6.0.0/build_in_tmp'
Starting auditd: ^[[60G[^[[0;32m  OK  ^[[0;39m]^M
}}}

It seems stuff is working, I think, but would like to know if this error is a sign that trouble is on the way.

The machine log is also attached.",DonC
18228,Copy/Paste From Shared Folder Hangs Win7 32 bit Guest With 6.0.0r12766 Additions,VirtualBox 6.0.0,Windows,2018-12-23T21:40:47Z,2019-01-27T22:02:03Z,2019-01-27T22:02:03Z,"VBox 6.0.0r127566 (QT5.6.2) in win10 1809 host with win7 32 bit guest works fine using additions from previous release. After updating guest to new additions attempting to copy a file from a shared folder hangs the win7 32 bit guest. If VM is powered down -- regular shut down or restart won't work -- & restarted, shared folder will not show up in win7 guest's Windows Explorer. If when the guest is shut down, VBox is closed & restarted, the shared folder will appear, but the guest hangs next time any file transfer is attempted.",mikiem
18245,Prevent boot if Shared folder is not available or Require Shared folder in order to boot,VirtualBox 6.0.0,Windows,2018-12-28T18:52:56Z,2019-01-03T16:01:54Z,2019-01-03T16:01:54Z,"I searched but could not find an answer for this. Is there a way to prevent a guest system from booting if the attached Shared Folder is unavailable? I realize you get a prompt disclosing this fact, but I would like to prevent the VM from booting.",jim.rather
18251,Unable to mount shared windows folder to Linux via VirtualBox,VirtualBox 5.2.20,Linux,2018-12-30T17:54:34Z,2018-12-30T20:57:08Z,2018-12-30T20:57:08Z,"Unable to mount shared windows folder to Linux via VirtualBox

I am following steps mentioned in the below below blog 
https://blogs.sap.com/2017/09/04/newbies-guide-installing-abap-as-751-sp02-on-linux/

I am using Version 5.2.22 r126460 (Qt5.6.2) VirtualBox - I installed Linux  openSUSE-Leap-42.3-DVD-x86_64.iso version. 

The config goes through fine in Virtual Box but when I look for the cd /media/sf_s4installer folder ( media folder) - it is not available in Linux. 

Please help. 

Thanks,
Rama 
",Rama
18252,RFE. VirtualBox 6 MacOS 10.14.2 host with 10.12.6 guest - network share doesn't appear,VirtualBox 6.0.0,other,2018-12-30T20:43:01Z,2019-01-08T17:58:48Z,2019-01-08T17:58:48Z,"1. Guest Additions was added (copy/paste works).
2. A Share was setup and as many times as I go into settings for the VM I can see the share as I set it up.

Yes there's no directory on the guest OS
",paul_h
18277,VBoxSVGA not showing correct resolutions,VirtualBox 6.0.0,Windows,2019-01-04T10:25:21Z,2019-03-02T19:11:12Z,2019-03-02T19:11:12Z,"Host with Xubuntu 18.04 dual monitor: 1920x1080 and 2560x1080
Guest with Windows 10 registered and update and dual monitor enabled.VBox additions updated to 6.0.

In VirtualBox with VBoxVGA all works fine.

When changed to VBoxSVGA second monitor not showing correct resolution 2560x1080 in the list of supported resolutions. No problem with main 1920x1080 monitor.",vicsanc
18302,Can not install VirtualBox Guest Additions in CentOS 6.10,VirtualBox 6.0.0,Linux,2019-01-11T18:10:19Z,2019-01-12T17:17:14Z,2019-01-12T17:17:14Z,"I am using Vagrant 2.2.3 and I have installed the latest VirtualBox 6 (VirtualBox-6.0.0-127566-Win). My Vagrantfile looks like follow:

{{{
  # -*- mode: ruby -*-
  # vi: set ft=ruby :

  Vagrant.configure(""2"") do |config|
    config.vm.box = ""reynierpm/centos6""
    config.vm.box_version = ""4""

    config.vm.provider :virtualbox do |vb|
      vb.customize [""modifyvm"", :id, ""--memory"", 2048]
    end
  end
}}}

But VirtualBox Guest Additions won't install and fails with the following error:

    VirtualBox Guest Additions: modprobe vboxsf failed

Have tried to install them manually and I got the same result:

{{{
# sh VBoxLinuxAdditions.run                                                          
Verifying archive integrity... All good.                                                                   
Uncompressing VirtualBox 6.0.0 Guest Additions for Linux........                                           
VirtualBox Guest Additions installer                                                                       
Removing installed version 6.0.0 of VirtualBox Guest Additions...                                          
vboxadd-service.sh: Stopping VirtualBox Guest Addition service.                                            
You may need to restart your guest system to finish removing the guest drivers.                            
Copying additional installer modules ...                                                                   
Installing additional modules ...                                                                          
VirtualBox Guest Additions: Building the VirtualBox Guest Additions kernel modules.  This may take a while.
VirtualBox Guest Additions: To build modules for other installed kernels, run                              
VirtualBox Guest Additions:   /sbin/rcvboxadd quicksetup <version>                                         
VirtualBox Guest Additions: Building the modules for kernel 2.6.32-754.9.1.el6.x86_64.                     
																										   
VirtualBox Guest Additions: Look at /var/log/vboxadd-setup.log to find out what went wrong                 
VirtualBox Guest Additions: Running kernel modules will not be replaced until the system is restarted      
VirtualBox Guest Additions: Starting.                                                                      
VirtualBox Guest Additions: modprobe vboxsf failed                                                         
}}}

Logs aren't helpful:
{{{
# cat /var/log/vboxadd-setup.log
Could not find the X.Org or XFree86 Window System, skipping.
}}}",reynierpm
18308,Aero/transparency on Windows Vista no longer working with VirtualBox 6.0.0 r127566,VirtualBox 6.0.0,Windows,2019-01-13T09:52:01Z,2019-10-21T21:02:58Z,2019-10-21T21:02:58Z,"I performed the following steps:
* On my Windows 10 Professional (version 1809, build 17763.253) host, I upgraded VirtualBox 5.2.22 to 6.0.0 r127566
* In an exisiting Windows Vista Ultimate guest, upgraded VirtualBox Guest Additions from 5.2.22 to 6.0.0. 
* During the Guest Additions upgrade, as before, I selected experimental 3D accelleration and chose ""no"" when asked if I wanted basic Direct3D support.
* Restarted the guest when prompted.

After these steps: 
* Aero/transparency effects no longer work in the Vista guest (and Aero is no longer offered as an option within Windows Vista) where they did with VirtualBox 5.2.22 and earlier 5.2 versions.
* The VBox.log indicates that 3D is enabled and available, and contains no apparent indications of errors.",Rutger van Bergen
18317,Can't install Guest Additions on Solaris 11.4 guest,VirtualBox 5.2.24,Solaris,2019-01-16T14:04:11Z,2019-01-17T14:16:50Z,2019-01-17T14:16:50Z,"Hello,

The Solaris Guest Additions have a dependency on a svr4 package named ""SUNWuiu8"" (iconv support). In Solaris 11.3, this dependency was satisfied by installing the IPS package system/library/iconv/utf-8.

{{{
#------Solaris 11.3--------
vagrant@dev-main:~$ uname -a
SunOS dev-main 5.11 11.3 i86pc i386 i86pc
vagrant@dev-main:~$ pkg contents -m system/library/iconv/utf-8 | grep uiu8
legacy arch=sparc category=system desc=""Iconv modules for UTF-8 Locale"" hotline=""Please contact your local service provider"" name=""Iconv modules for UTF-8 Locale"" pkg=SUNWuiu8 variant.arch=sparc vendor=""Oracle Corporation"" version=11.0,REV=2010.12.06
legacy arch=i386 category=system desc=""Iconv modules for UTF-8 Locale"" hotline=""Please contact your local service provider"" name=""Iconv modules for UTF-8 Locale"" pkg=SUNWuiu8 variant.arch=i386 vendor=""Oracle Corporation"" version=11.0,REV=2010.12.06
#------Solaris 11.3--------
}}}

On Solaris 11.4, the utf-8 package was renamed. Also, no packages replacing the utf-8 package contain the legacy line.

{{{
#------Solaris 11.4--------
root@dev-11-4-main:~$ pkg info -r system/library/iconv/utf-8
          Name: system/library/iconv/utf-8
         State: Not installed (Renamed)
    Renamed to: consolidation/l10n/l10n-incorporation
                system/library/iconv/iconv-core@5.12,5.11-5.12.0.0.0.67.6
     Publisher: solaris
       Version: 5.12
        Branch: 5.12.0.0.0.67.6
Packaging Date:  9. Februar 2015 um 04:00:43 Uhr
          Size: 5.46 kB
          FMRI: pkg://solaris/system/library/iconv/utf-8@5.12-5.12.0.0.0.67.6:20150209T040043Z
root@dev-11-4-main:~$ pkg contents -m l10n-incorporation iconv-core | grep uiu8
depend fmri=pkg:/SUNWuiu8@0.5.11,5.11-0.175.1.0.0.9.1162 type=incorporate		  
#------Solaris 11.4--------
}}}

As no package installs the legacy package entry for SUNWuiu8 anymore, the Guest Additions installer complains about the missing package.
I don't know if the iconv stuff is really necessary. If not I would edit the manifest or something to remove the dependency.

Can I do anything else? Is this a VirtualBox bug or is this a Oracle Solaris bug?

Side note: Can't you provide an Guest Additions IPS package? Or is that too much work or can't be generated from the svr4 package?",DANoWAR
18322,Shared folders hang while R/W access,VirtualBox 6.0.2,Windows,2019-01-17T13:07:17Z,2019-08-29T07:37:09Z,2019-08-29T07:37:09Z,"Host `lsb_release -a` is 
{{{
Distributor ID: Debian
Description:    Debian GNU/Linux 8.11 (jessie)
Release:        8.11
Codename:       jessie
}}}


I'm using shared folders in Windows 7 x86 guest and Mentor Expedition PCB hangs if I try to open project, placed on shared disk.

This behavior is not observed if I replace guest additions with version 5.2.22. Versions 6.0.0 and 6.0.2 show exactly the same behavior.

Other read/write operations doesn't show any problem (at this time).

I've tried to investigate hanging I/O operation in Expedition PCB and with the Process Monitor (Sysinternals) found, that last unfinished call was '''QueryDirectory'''. This event description from ProcMon is

{{{
Date & Time:	17.01.2019 14:58:38
Event Class:	File System
Operation:	QueryDirectory
Result:	
Path:	\Device\VBoxMiniRdr\VBOXSVR\VM_Shared\KiberLock-NET\20190115\KibLck-NET_v1p0\PCB\.lck_dir\*.lckreq
TID:	4996
Duration:	
Filter:	*.lckreq
}}}

Call stack (reported by ProcMon) is

{{{
0	fltmgr.sys	FltRequestOperationStatusCallback + 0xe8f	0xca0b3df7	C:\Windows\system32\drivers\fltmgr.sys
1	fltmgr.sys	FltGetIrpName + 0xc56	0xca0b6d38	C:\Windows\system32\drivers\fltmgr.sys
2	fltmgr.sys	FltGetIrpName + 0x116f	0xca0b7251	C:\Windows\system32\drivers\fltmgr.sys
3	fltmgr.sys	FltGetIrpName + 0x162e	0xca0b7710	C:\Windows\system32\drivers\fltmgr.sys
4	ntkrnlpa.exe	IofCallDriver + 0x64	0xe323c117	C:\Windows\system32\ntkrnlpa.exe
5	ntkrnlpa.exe	NtSetEvent + 0x2c1	0xe3439f12	C:\Windows\system32\ntkrnlpa.exe
6	ntkrnlpa.exe	NtQueryDirectoryFile + 0x5b	0xe3444528	C:\Windows\system32\ntkrnlpa.exe
7	ntkrnlpa.exe	ZwYieldExecution + 0xf4e	0xe3242b8e	C:\Windows\system32\ntkrnlpa.exe
8	ntdll.dll	NtQueryDirectoryFile + 0xc	0x77825acc	C:\Windows\System32\ntdll.dll
9	KernelBase.dll	FindFirstFileExW + 0x276	0x7598b355	C:\Windows\System32\KernelBase.dll
10	KernelBase.dll	FindFirstFileA + 0x4a	0x7599a956	C:\Windows\System32\KernelBase.dll
11	xf_Os.dll	xf_Os.dll + 0x4f3d	0x10004f3d	C:\MentorGraphics\7.9.5EE\SDD_HOME\common\win32\lib\xf_Os.dll
}}}

And another similar hang event from ProcMon and another process, tried to call the '''WriteFile''':

{{{
Date & Time:	17.01.2019 16:02:08
Event Class:	File System
Operation:	WriteFile
Result:	
Path:	\Device\VBoxMiniRdr\VBOXSVR\VM_Shared\KIBERLOCK-NET\20190115\KIBLCK-NET_V1P0\database\cdbsvr\log\2019-01-17 16.02.07-1536\2019.01.17.txt
TID:	2648
Duration:	
Offset:	6,109
Length:	82
Priority:	Normal
}}}

Call stack is very similar to the '''QueryDirectory''' one:
{{{
0	fltmgr.sys	FltRequestOperationStatusCallback + 0xe8f	0xca0b3df7	C:\Windows\system32\drivers\fltmgr.sys
1	fltmgr.sys	FltGetIrpName + 0xc56	0xca0b6d38	C:\Windows\system32\drivers\fltmgr.sys
2	fltmgr.sys	FltGetIrpName + 0x116f	0xca0b7251	C:\Windows\system32\drivers\fltmgr.sys
3	fltmgr.sys	FltGetIrpName + 0x162e	0xca0b7710	C:\Windows\system32\drivers\fltmgr.sys
4	ntkrnlpa.exe	IofCallDriver + 0x64	0xe323c117	C:\Windows\system32\ntkrnlpa.exe
5	ntkrnlpa.exe	NtSetEvent + 0x2c1	0xe3439f12	C:\Windows\system32\ntkrnlpa.exe
6	ntkrnlpa.exe	NtWriteFile + 0x6fe	0xe3480994	C:\Windows\system32\ntkrnlpa.exe
7	ntkrnlpa.exe	ZwYieldExecution + 0xf4e	0xe3242b8e	C:\Windows\system32\ntkrnlpa.exe
8	ntdll.dll	ZwWriteFile + 0xc	0x7782659c	C:\Windows\System32\ntdll.dll
9	KernelBase.dll	WriteFile + 0x5f	0x759875ad	C:\Windows\System32\KernelBase.dll
10	kernel32.dll	WriteFile + 0x4e	0x768d56e4	C:\Windows\System32\kernel32.dll
11	msvcr90.dll	lseeki64 + 0x56b	0x71cc99ad	C:\Windows\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
12	msvcr90.dll	write + 0x9f	0x71cc9d37	C:\Windows\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
13	msvcr90.dll	fdopen + 0x1c0	0x71c8fea2	C:\Windows\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
14	msvcr90.dll	fflush_nolock + 0x1c	0x71c8fef0	C:\Windows\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
15	msvcr90.dll	fflush + 0x30	0x71c90030	C:\Windows\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
16	iCDBNetServer.exe	iCDBNetServer.exe + 0x47fe6d	0x87fe6d	C:\MentorGraphics\7.9.5EE\SDD_HOME\common\win32\bin\iCDBNetServer.exe

}}}


",makc
18332,Windows 10 Guest additions 6.0.2 scramble drive mappings into shared folders,VirtualBox 6.0.2,Windows,2019-01-19T02:50:26Z,2019-01-20T02:17:18Z,2019-01-20T02:17:18Z,"Running Win 10 Pro (October 2018 Update, build 17763) on both host and guests, updated host from 5.2.22 to 6.0.2 with 6.0.2 guest additions.  Upgrading guest VMs to 6.02 guest additions scrambled the mapped drives into shared folders.  The windows drive mappings no longer corresponded to the originally assigned shared folders,.  Rolling back to a previous version of the VM (which still had 5.2.22 guest additions installed restored correct behavior.  

FWIW:
  net use v: \\vboxsrv\bbj5-c /persistent:yes
  net use w: \\vboxsrv\data   /persistent:yes
  net use x: \\vboxsrv\bbj5-e /persistent:yes
  net use y: \\vboxsrv\a      /persistent:yes
  net use z: \\vboxsrv\aa     /persistent:yes


Reproduced this behavior on a second (and different) vin 10 pro vm: changing nothing other than upgrading guest additions from 5.2.22 to 6.0.2 corrupted the mappings into shared folders.  

two logs
w10p-1-2019-01-18-21-21-45.log  scrambled VM 6.02 guest additions
w10p-1-2019-01-18-21-41-13.log	correctly mapped VM 5.2.22 guest additions					",BBoyar
18379,New OS/2 shared folders feature locks up the guest => Fixed in SVN,VirtualBox 6.0.4,other,2019-01-29T05:44:57Z,2019-05-19T05:04:23Z,2019-05-19T05:04:23Z,"After adding the new shared folders installable file system (VBoxSF.IFS) the guest GUI started to lock up just a second after VBoxService is executed from STARTUP.CMD. The mouse cursor still moves, so this is not a hard lock, but any interaction with GUI is impossible. The guest has to be powered off. The only workaround is to comment out the IFS statement in CONFIG.SYS.
",Rafcio
18415,Guest time lags behind after an online snapshot deletion,VirtualBox 5.2.26,BSD,2019-02-06T08:31:34Z,2021-03-18T09:39:32Z,2021-03-18T09:39:32Z,"I had some mysterious cases of huge clock drifts, and other times it was perfect for days… I think I found the problem: it happens shortly after an online snapshot deletion.

Here's a log of a FreeBSD guest running on a FreeBSD host, being perfectly synchronized for the first 2h44, but then losing 60"" every 8 minutes after the snapshot is deleted.",Lapo Luchini
18451,Guest Additions breaks keyboard on Windows Server 2019 Guest,VirtualBox 6.0.0,Windows,2019-02-25T14:54:51Z,2019-02-25T14:54:51Z,2019-02-25T14:54:51Z,"Host = Windows 10 64-bit
Guest = Windows Server Core 2019 64-bit
Note: Core means no Desktop GUI included i.e. Command-line only

After installing Guest Additions, the keyboard no longer works inside the Guest, meaning I cannot type anything inside the guest command line. I used remote desktop to access the guest so I could uninstall Guest Additions after which the keyboard works fine.
",jahbwoy0
18469,Version 6.0.4 r128413 (Qt5.6.2) Shared Folders not Accessible,VirtualBox 6.0.4,Windows,2019-03-04T07:37:36Z,2019-03-05T09:47:01Z,2019-03-05T09:47:01Z,"When the save machine state on Version 6.0.4 r128413 (Qt5.6.2) shared folders disconnected and is not reconnect until system complete restart. Saved state is not possible with shared folders.
Shared folders drive letter seems in Win7 Explorer but not connected. User is not enter to the drive. 

Host: Windows 7 Ultimate 64 Bit
Guest: Windows 7 Ultimate 64 Bit
All extension package and VirtualBox Guest Additions installed.
",Flu
18478,"Impossible to copy files or dir beginning with a dot from guest to host, the 2 ones being Windows machines.",VirtualBox 6.0.4,Windows,2019-03-06T10:05:14Z,2019-03-08T05:04:48Z,2019-03-08T05:04:48Z,"Impossible to copy '''files or dir beginning with a dot''' from guest to host, the 2 ones being Windows machines. 

This is the summary of several existing tickets : #17859, #17067, #16762.

",JLB
18502,"VBOXSVGA driver not update screen on ""Microsoft Store"" when scrolling.",VirtualBox 6.0.4,Windows,2019-03-17T06:56:47Z,2019-03-24T01:42:01Z,2019-03-24T01:42:01Z,"VBOXSVGA driver not update screen on ""Microsoft Store"" when scrolling.

VBOXVGA will draw correctly.

This problem occurs with VBOXSVGA.

",0o0o
18533,Fedora 29 Guest Additions Failure,VirtualBox 6.0.4,Linux,2019-03-31T22:31:49Z,2019-04-04T11:41:12Z,2019-04-04T11:41:12Z,"Following upgrade to Kernel 5.0.3-200 and and subsequent upgrade to Kernel 5.0.4-200, the 
virtualbox guest additions fail. Symptom: guest screen no longer resizes automatically, and it is no longer possible to access shared folders. The only workaround I could find was to boot from Kernel 4.20.16-200 from which the screen performance is fine and it is possible to fully access shared folders as needed. 
VirtualBox Version: 6.0.4 r128413. Attempts to directly run the virtualbox guest addition: /run/media/<user name>/VBoxLinuxAdditions.run resulted in the error message: mod probe vboxsf failed.",E. Lewis
18534,Mouse Misalignment,VirtualBox 6.0.4,Windows,2019-04-01T17:29:32Z,2019-04-02T16:30:45Z,2019-04-02T16:30:45Z,"When returning from full screen via the Guest mouse is off by a significant amount.

In the screen shot attached the mouse is where the red arrow is.  Clicked and line that highlights is off by 1-2 rows.",isgdre
18546,If a rootFolder of a Novell eDir is Shared it can not be accessed,VirtualBox 6.0.4,Windows,2019-04-05T08:53:10Z,2019-04-05T08:53:10Z,2019-04-05T08:53:10Z,"This happens since Oracle VirtualBox version 5.2.2 (so 5.2.0 is the last version where access to a Novell eDirectory Root Folder is possible!)

If you share a subdirectory of the eDir-Root it works!

This happens with Shared Server-Directorys from:
Novell E-Directrory Version 8.8. SP5
NDS Version: 20219.15

Host = Windows 7 Pro x64
Guest = Windows 10 LTSB x64",SO4620
18554,systemd startup script not updated during guest additions install,VirtualBox 6.0.4,Linux,2019-04-09T21:12:47Z,2019-07-29T12:30:00Z,2019-07-29T12:30:00Z,"Environment:[[BR]]
Host: Windows 10 Enterprise[[BR]]
Guest: Linux Mint 19.1[[BR]]

I upgraded my host Virtualbox install from version 5.2.26 to 6.0.4[[BR]]
 
After booting the Linux Mint guest I was prompted to update the virtualbox guest additions.

This appears to install correctly, however when rebooting the guest, vbox shared folders don't appear to mount.

I eventually traced the issue down to the systemd startup script located in /etc/systemd/system/vboxadd-service.service 

When querying the status of the service startup after updating to guest additions version 6.0.4 this error is shown:

Apr 09 14:06:21 Mint-19 systemd[4423]: vboxadd-service.service: Failed at step EXEC spawning /opt/VBoxGuestAdditions-5.2.26/init/vboxadd-service: No such file or directory


I then manually edited the /etc/systemd/system/vboxadd-service.service service file and changed all entries for the path /opt/VBoxGuestAdditions-5.2.26/ to the path /opt/VBoxGuestAdditions-6.0.4/

I then reloaded systemd and started up the vboxadd-service successfully, with host shared folders mounting on the guest as expected",Chuck Donahue
18559,shared folder host system locks virtual machine,VirtualBox 6.0.4,Windows,2019-04-15T01:22:56Z,2019-04-15T09:19:54Z,2019-04-15T09:19:54Z,"I am having problems with 32 bit virtual machines in folder sharing, when I go to any shared system main folder the virtual machine hangs and all applications",jair pinho
18575,Virtualbox Graphics Adapter for Windows 8+ incompatible with AnyDesk,VirtualBox 6.0.6,Windows,2019-04-18T16:11:23Z,2019-04-18T16:11:23Z,2019-04-18T16:11:23Z,AnyDesk show black screen when connect with Virtualbox Graphics Adapter for Windows 8+ installed,Prisma
18584,RFE: Add GAs CD insert option/visibility in the status bar,VirtualBox 6.0.6,all,2019-04-20T12:17:53Z,2019-04-20T12:17:53Z,2019-04-20T12:17:53Z,"== Current State of affairs ==
Clicking on the CD icon in the status bar, you're presented with
{{{
Choose disk image...
Create ad-hoc VISO...
------------------------------------------
{list of previously used CDs/DVDs}
------------------------------------------
Remove disk                               <-- greyed-out if no CD/DVD is inserted
}}}
There's nowhere a mention of the GAs, whether they're inserted or not! Even worse, when the GAs are mounted, they don't appear anywhere on the list of used CDs.

== Proposed State of affairs ==
When the GAs ISO is '''not''' inserted/mounted:
{{{
Choose disk image...
Create ad-hoc VISO...
(Insert) Guest Additions CD image...      <-- *** NEW ENTRY ***
------------------------------------------
{list of previously used CDs/DVDs}
------------------------------------------
Remove disk                               <-- greyed-out if no CD/DVD is inserted
}}}
When the GAs ISO '''is''' inserted/mounted, option 1:
{{{
Choose disk image...
Create ad-hoc VISO...
(Insert) Guest Additions CD image...      <-- *** CHECKED ***
------------------------------------------
{list of previously used CDs/DVDs}
------------------------------------------
Remove disk                               <-- NOT greyed-out
}}}
or even better, option 2:
{{{
Choose disk image...
Create ad-hoc VISO...
Remove Guest Additions CD image           <-- *** s/Insert/Remove ***
------------------------------------------
{list of previously used CDs/DVDs}
------------------------------------------
Remove disk                               <-- NOT greyed-out
}}}
So, in summary:
* The whole menu's behavior stays as is, except with the addition of one menu entry.
* The menu can either be mimicking the Devices menu entry ""Insert Guest Additions CD image..."" which changes to ""Remove Guest Additions CD image"", or with the entry being simply ""Guest Additions CD image..."" which is either checked or not.",Socratis
18616,Shared Folder error when using reposync,VirtualBox 6.0.6,Linux,2019-05-02T02:51:55Z,2019-05-07T05:39:21Z,2019-05-07T05:39:21Z,"I have a couple of VMs (specifically CentOS6 and CentOS7) that I use to sync repositories for a disconnected network. EPEL, Cloudera, MySQL, etc. I keep these VMs pretty lean and but mount Shared Folders to a USB so that I can transfer the files. I download the files in the repos directly to the Shared Folder. For example to update the EPEL6 repository. I cd into a directory on the Shared Folder and use the command, reposync -n -d -r epel6. Since 6.0.6 this causes errors. To test it I tried a created a new directory and here is a sample output from one of the first attempted download:

[jrather@localhost sat]$ reposync -n -d -r epel6
[epel6: 1     of 12532 ] Downloading Packages/2/2048-cli-0.9.1-1.el6.x86_64.rpm
Could not retrieve package 2048-cli-0.9.1-1.el6.x86_64. Error was failure: Packages/2/2048-cli-0.9.1-1.el6.x86_64.rpm from epel6: [Errno 256] No more mirrors to try.

I get errors on every file. If I try the command within a directory on the VM (for example, /tmp or my user's home directory) everything is fine. It is only with the Shared Folder or trying to write to it. This error occurs with the CentOS7 guest too. I have tried it from both CentOS7 host and Ubuntu 18.04 host both with Guest Additions installed. I have also tried using a physical disk for the Shared Folder instead of USB drive with the same results. This used to work fine with 6.0.4 and previous versions.

I am not sure what else to submit but would be more than happy to if instructed.",jim.rather
18623,Kernel modules doesn't build with linux kernel 4.4.176 on openSuse 42.3,VirtualBox 6.0.6,Linux,2019-05-06T08:14:19Z,2019-05-06T08:14:19Z,2019-05-06T08:14:19Z,"On openSuse 42.3 kernel modules doesn't build, error message is:

VirtualBox Guest Additions: Building the modules for kernel 4.4.176-96-default.
VirtualBox Guest Additions: Look at /var/log/vboxadd-setup.log to find out what went wrong

Error message in log file is:

/tmp/vbox.0/regops.c:1440:52: error: too many arguments to function ‘get_user_pages_unlocked’
fWrite ? FOLL_WRITE | FOLL_FORCE : FOLL_FORCE);


Problem exist in version 6.0.4, 6.0.6 and latest testbuild 6.0.7 with proper VB guest extensions installed. Guest OS is updated.
",regnotyp
18631,Win10/Win 10 Error 0x80070032: Can't copy file from VM to Host through Shared Folders,VirtualBox 6.0.6,Windows,2019-05-08T23:07:38Z,2019-05-08T23:07:38Z,2019-05-08T23:07:38Z,"This looks a lot like https://forums.virtualbox.org/viewtopic.php?f=2&t=84800&sid=99e7dde8811ab1c34e06e7a4e5057507 except for VirtualBox 6.0.6 r130049 (Qt5.6.2)

 Windows 10 Host (Surfacebook Laptop) [Version 10.0.17763.475][[BR]]

 Windows 10 VM [Version 10.0.17763.437][[BR]]

 VirtualBox 6.0.6 r130049 (Qt5.6.2)

The issue is I can't copy a file from the VM to the Host through the Shared folders path, both from the GUI and the command line with Host filesystems permissions set to [Everyone - Full Access].

Command Line Example:[[BR]]

C:\Users\v-crarno>copy C:\Users\v-crarno\Desktop\Redcley\iotil-hanford-rpi-core\c-sharp\EnvironmentMonitoringApp\EnvironmentMonitoringApp\bin\ARM\Debug\Microsoft.Maker.Sparkfun.WeatherShield.winmd Z:\Users\craig\Documents\Redcley\iotil-hanford-rpi-core\c-sharp\EnvironmentMonitoringApp\EnvironmentMonitoringApp\bin\ARM[[BR]]

'''The request is not supported.'''
        0 file(s) copied.

C:\Users\v-crarno>ver

Microsoft Windows [Version 10.0.17763.437]

From the GUI I get the File Copy Error 0x80070032.

What I -can- do from the VM on the Shared folder is ""Create a file"", and ""Delete a file"".  And I can make a copy of a remote file [copy z:\... z:\...].  I just can't copy from C:\... to Z:\... [VM to Host]

Another important difference is I'm logged into a Domain Joined system in the VM, and Windows Networking with a different userID on the host system. I opened up security on the destination folder to [Everyone-Full Access]",craiga
18653,"VBox fails to download ""VirtualBox Guest Additions"" disk image since 6.0.0",VirtualBox 6.0.8,Windows,2019-05-17T08:01:57Z,2020-02-20T09:12:01Z,2020-02-20T09:12:01Z,"Hi
Since around upgrading to VirtualBox 6.0.0 (valid up to 6.0.8), VBox fails to download ""VirtualBox Guest Additions"" disk image since 6.0.0.
When clicking over ""Insert Guest Additions CD Image..."" in the ""Device"" menu, it always ends with the following:
""The network operation failed with the following error: 
During network request: Unknown reason.""

(BTW when it was working, this meant clicking too many times on ""OK"" just to get through, once should be enough)",vtt
18675,File corruption on shared folder - Linux host + Windows 7 guest,VirtualBox 6.0.8,Windows,2019-05-24T17:16:26Z,2019-06-05T00:38:48Z,2019-06-05T00:38:48Z,"Setup :
Host : Ubuntu 16.04 x64
Guest : Windows 7 x64
Shared folder (on ext4 partition) between host and guest

I'm using a Windows 7 virtual machine only for Adobe Photoshop CS6 x64.

Before v6.0.8 I installed v6.0.6 only briefly, I had to revert back to 6.0.4 because of the mouse integration bug. So I for the present issue I installed 6.0.8 over 6.0.4.

I encountered a strange behaviour with the shared folder I'm using to exchange files between the host and the guest. 
In Photoshop CS6 x64, after I installed VirtualBox v6.0.8, sometimes Photoshop tells me it couldn't read the TIFF files I had worked on before. And when it could, sometimes the content was scrambled.
I checked my images in other software (under Windows ''and'' Ubuntu) : correct.
I opened the files in the VM with Photoshop CS6 x32 this time : correct.
I checked my TIFF files with an utility called jHove, which checks the TIF file integrity : no errors.
So my image files are without flaws. I can save them in Photoshop but not read them back, at least in the x64 version. Weird.
I also copied the files directly on the guest : this time Photoshop CS6 x64 was happy.

For 2 days I have tested many things. It only occurs in Photoshop CS6 x64, when I'm using the shared folder.

So I decided to revert back to VirtualBox v6.0.4, and dang! Photoshop CS6 x64 was happy again with my files...

So my conclusion is the problem comes from the shared folder functions, but only when reading my files, not when I'm writing.

I'm including my v6.0.4 last log file, I didn't think about saving one when I was under v6.0.8 sorry.",Parazythum
18680,Create symbolic links in shared folders without administrator priviledges using new Windows 10 Developer Mode,VirtualBox 6.0.8,Linux,2019-05-29T13:27:20Z,2022-04-02T12:16:40Z,2022-04-02T12:16:40Z,"Starting with [https://blogs.windows.com/buildingapps/2016/12/02/symlinks-windows-10/#jiIm1mzyjuXxAFXr.97 Windows 10 Insiders build 14972] symlinks can be created without needing to elevate the console as administrator. The prerequisite is to enable ''Developer Mode'', and after that any user on the machine can
1. Run the `mklink` command without elevating a command-line console
2. Use CreateSymbolicLink API '''if''' additional ''dwFlags'' option `SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE` is set to `0x2`.

Since even after enabling the ''Developer Mode'' VirtualBox has to be run as Administrator in order to create symlinks in shard folders, I assume the method 2 i.e. API calls are used to create them.

My enhancement request: Please add the `SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE` to the API call when creating symlinks to shared folders under Windows 10 so Administrator priviledges are not required when ''Developer Mode'' is enabled.",asmala
18694,"Add ""minimize"" command to VBoxControl",VirtualBox 6.0.8,Linux,2019-06-07T03:15:57Z,2019-06-08T07:43:27Z,2019-06-08T07:43:27Z,"I wish there was a way to minimize a VM from inside the guest using VBoxControl.  I have my host key set to right ctrl, which is kind of awkward to use, but I picked it because I didn't want it to shadow one of the modifier keys I use regularly in the guest OS.  Being able to programmatically minimize the window from inside the guest would make it easier to assign a convenient key combo without dedicating a modifier key entirely to VirtualBox.

More broadly speaking, it seems like all of the host key commands should be available through VBoxControl, but minimize is the only one I have use case for at the moment.",lolcatnip
18702,Windows Server 2016 guest completely hangs in loading UserProfileService after upgrading GA to 5.2.30,VirtualBox 5.2.30,Windows,2019-06-11T16:00:50Z,2019-06-11T16:00:50Z,2019-06-11T16:00:50Z,"Version: VirtualBox 5.2.30
Host OS: Windows 2010 Professional
Guest OS: Windows Server 2016 Standard Version 1607 (64-bit)

on a Windows Server 2016 Standard Version 1607 (64-bit), immediately after upgrade from VBox Extensions v5.2.26 to v5.2.30 and the suggested guest reboot, Windows fails to come up completely and hangs permanently loading User Profile Service. 

""Please Wait for the User Profile Service"" with Windows startup spinner. 

PS: I have redone this 4 times after restoring from Snapshots... inclduing with the only change made the Guest Additions install. 
Note: the guest VM is running from .vmdk disks (as it was imported), but it was working fine on VBox 5.2.26, and still works fine in VBox 5.2.30 AS LONG AS I DON'T UPDATE GUEST ADDITIONS.  As soon as GA are updated to 5.2.30 + reboot, it explodes.


",mkorning
18704,Windows-KB890830-x64-V5.73 (current Windows malicious software removal tool) in the shared folder causes crush  of the guest OS,VirtualBox 6.0.8,Windows,2019-06-12T07:29:21Z,2019-08-17T06:43:06Z,2019-08-17T06:43:06Z,"As I wrote, during the today’s Windows updates I downloaded the current version of t x64 MSRT and put it in the shared folder. As soon as I access the shared folder afterwards, the shared folder is shown empty. Shortly after that, the display (not the window) of the guest resizes to something very small like 640 × 480; couple of seconds later the BSOD happens and guest would be restarted.

I put my logs, directory listing of the shared folders and BSOD numbers in the archive. If something else is needed, just let me know. The logs clearly shows the detection of the critical condition. As soon as this file is removed from the shard folders, everything works as it should. This is Windows 10 1809 x64 guest and host combination.",boxer01
18710,sharing folders from windows 10 host to win xp pro 64 bits doesn't work,VirtualBox 6.0.8,Windows,2019-06-15T00:58:12Z,2019-06-21T21:51:44Z,2019-06-21T21:51:44Z,"Hello,

i've tried to share two folders from windows 10 host system to win xp pro 64 bits (virtual machione) without success. i'm using oracle vm virtualbox 6.0.3 with guest additions.

is it a known issue and how can I solve it ? should i use an older version of virtualbox to make it work ?",Harlock59
18776,"Vagrant shared folders unable to install Package Management Plugins (Composer, PHP)",VirtualBox 6.0.10,Linux,2019-07-21T16:22:45Z,2021-04-15T22:28:48Z,2021-04-15T22:28:48Z,"## Versions

* MacOS: Mojave 10.14.5 (18F132)
* Virtualbox: `6.0.10 r132072 (Qt5.6.3) (And Exentions)`
* Vagrant: 2.2.5
* Vagrant box: bento/ubuntu-18.04 201906.18.0

## Problem

Unable to install Composer (PHP Package Manager) plugins on folders shared via Virtualbox (vboxsf)

## Steps To Reproduce:

Clone: https://github.com/svpernova09/vagrant-test

* Adjust folder share of `~/Code/fresh-laravel` to a fresh [Laravel](https://github.com/laravel/laravel) installation
* Run `vagrant up`
* Run `vagrant ssh`
* Run `cd larvel`
* Run `composer require ocramius/package-versions`
* See ""Could not delete /home/vagrant/laravel/vendor/ocramius/package-versions/src/PackageVersions:""
* Run `cd`
* Run `composer create-project laravel/laravel not-vbox-share`
* Run `cd not-vbox-share`
* Run `composer require ocramius/package-versions`
* See ""Package manifest generated successfully.""

## Logs

Here is a gist of the relevant actions: https://gist.github.com/svpernova09/17f7a2c9aba316e24bb063a25010d6f6",Svpernova09
18798,Virtual machine windows 10 auto restart  when click on one folder in shared disk (internal disk host or USB),VirtualBox 6.0.10,Windows,2019-07-31T17:52:49Z,2019-08-16T06:59:35Z,2019-08-16T06:59:35Z,"* I'm working with a zip compressed file at a shared disk (on host is a USB DIsk 4 TB)
* Try expand, and crash
* Try another, and crash.
* Move to other shared folder (in host is a internal disk 3TB)
* Uncompressed well.
* After click on folder Setup, crash other time.
",Abdelkarim Mateos Sánchez
18830,Problem with Version 6.0.10 Guest Additions,VirtualBox 6.0.10,Windows,2019-08-11T17:23:49Z,2019-08-12T07:29:36Z,2019-08-12T07:29:36Z,"I'm running VirtualBox 5.2.32 with a Windows XP virtual machine. Everything works fine. However, when I installed 6.0.10, it reports ""Disk is full"" when a program tries to write to a file on a FAT16 (yes, FAT16) shared partition. This only happens if I install the 6.0.10 guest additions. If I stay with the 5.2.32 guest additions, it doesn't occur. (I don't know if it would occur with a FAT32 or NTFS partition, because the program only works with FAT16, which is why I have a FAT16 partition).",cdgoldin
18877,binary in shared folder loses executable permission while running,VirtualBox 6.0.10,Linux,2019-08-29T07:36:41Z,2019-08-29T07:36:41Z,2019-08-29T07:36:41Z,"After upgrading from virtualbox v5.0 to v6.0.10 I was not able to execute a binary from a shared folder (host Windows, guest Ubuntu) twice in parallel: while executing its permission would change from -rwxrwxrwx to -rw-rw-rw-.

I had mounted it via a line in /etc/fstab:
{{{
FolderName  /home/somewhere vboxsf rw,uid=1000,gid=1000,dmode=755  0  0
}}}

how to reproduce: with that mount:
{{{
cp /bin/cat /home/somewhere/cat2
ls -l /home/somewhere/cat2 # => permissions -rwxrwxrwx, owner me:me
/home/somewhere/cat2 &
ls -l /home/somewhere/cat2 # => permissions -rw-rw-rw-
/home/somewhere/cat2   # => 'permission denied'
}}}
After stopping the running executable the permissions return to -rwxrwxrwx again.

Mounting as an automount instead resolves the problem: cat2 has owner root:vboxsf, and permissions -rwxrwx--- - and that doesn't change while running.

",nijhof
18905,Graphics Issues with VBoxSVGA,VirtualBox 6.0.10,Windows,2019-09-04T13:27:12Z,2019-09-04T18:45:33Z,2019-09-04T18:45:33Z,"With the upgrade to VirtualBox 6.0.12 I received a warning that in version 6.1.0 VBoxVGA will no longer be supported and I need to migrate my VM to VBoxSVGA.

I attempted to change my Graphics Controller which placed my VM in an unusable state as it kept crashing the Windows GUI.  I put the guest into SafeMode to install the guest additions which allowed me to boot.

Now when using the guest I am unable to view applications as they render as black boxes.  Examples of applications not working: Google Chrome, Microsoft Outlook, just about anything not part of Windows OS.

I have also tested VMSVGA and this is not working either.  My Display configuration is:
Video Memory: 256 MB
Screens: 2
Graphics Controller: VMSVGA
Acceleration: 2D Video, 3D
Remote Desktop Server: Disabled
Recording: Disabled

Happy to provide anything that helps with diagnostics, but the logs were not showing anything of value to me.
",Bryan R Festa
18908,The access to shared folder hangs the vmachine and makes it to restart itself,VirtualBox 6.0.10,Windows,2019-09-05T06:31:47Z,2019-09-05T09:07:55Z,2019-09-05T09:07:55Z,"Sometimes when I connect to the shared folder the vmachine W1064bits hangs and 1 or 2 seconds after, restarts itself. I change the host machine, I reinstall a new vmachine but I got the same issue.
I updates the guestaddit from 6.0.10 to 6.0.12 but no change",llazare
18968,Installing Guest Additions on Windows does not check for admin rights,VirtualBox 6.0.12,all,2019-09-26T14:01:09Z,2019-10-07T08:30:14Z,2019-10-07T08:30:14Z,"Host is Windows 10, 64-bit, all latest updates.  As good practise in our corporate environment, our accounts do not have admin rights.  All PCs have the same admin account set up, to which we all know the password, so if we need to install something then we can - but it stops viruses (and incompetence!) from doing major damage.

I've just upgraded VirtualBox from 6.0.10 to 6.0.12.  As expected, running the installer asked me for my admin password, which I entered, and 6.0.12 was installed correctly.  At the time, it also asked me if I wanted to upgrade Guest Additions.  I'd already downloaded the 6.0.12 ""vbox-extpack"" file, so I said no.

When VirtualBox started back up, I went to ""Preferences"" and tried adding the new 6.0.12 Guest Additions.  It failed on installation with just the error message ""E_FAILED"".  Upgrading via the ""Check updates"" option also failed the same way, and so did attempting to remove the 6.0.10 Guest Additions.  Rebooting the PC didn't help.

Looking in the log file, I found the following line:

> 00:11:43.122154 ExtPackUninst ExtPack: enmReason=1 iStatus=1 stderr='VBoxExtPackHelperApp.exe: error: Membership in the Administrators group is required to perform this action

Then I realised.  I ran VirtualBox using ""Run as administrator"", and this time installing the 6.0.12 Guest Additions worked perfectly.

So VirtualBox internally *IS* aware why installation failed - but the UI is not reporting this to the user.  Even if it just passed through that text unchanged, it would still be more meaningful than ""E_FAILED""!

I'm listing this as a defect, because the program is not working to reasonable user expectations for a reasonable user action.  I'm savvy enough to try to interpret a log file, and I know where to find the log file, but most users don't.",GBartlettPrior
19009,Switching Graphics Controller needs reinstalling Guest Additions,VirtualBox 6.0.12,Windows,2019-10-13T12:22:56Z,2019-10-21T06:07:06Z,2019-10-21T06:07:06Z,"After switching graphics controller from VBoxVGA to VBoxSVGA, it works but laggy. I found that reinstalling Guest Additions makes it smooth again. Maybe some modules are missing when Guest Additions are installed previously. It would be better to be notified that fact or even not to need to reinstall Guest Additions.",sjchoi
19049,Guest resolution changes when moving window between built in Retina and external displays,VirtualBox 6.0.12,all,2019-10-24T07:59:43Z,2019-12-27T07:54:01Z,2019-12-27T07:54:01Z,"Virtualbox 6 on Mac OSX host with Retina display brings native resolution to guests disregarding user scaling setting in host display properties. This brings a benefit over previous versions of Virtualbox.

Unfortunately, the window dimensions remain linked to the system settings, resulting in all kinds of strange outcomes in common situations with multiple physical or virtual displays.

VM window can have a scaling factor, moving a VM window between Retina and non retina display always triggers display resolution change in the guest. Host OS keeps apparent window size equal, but Virtualbox does not apply different scaling. Things become tricky when the window is on two screens, although this is not very useful use case.

Similar situation occurs when the external display is disconnected and all windows move to the built in display by the system. Or when the host display is closed and all windows move to external screen. Common user expectation is that the virtual screen dimensions would change only if the VM window does not fit the physical screen.

Some improvement can be achieved by deactivation of ""Auto-resize guest display"" but still one needs to manually adjust scaling factor of every window after moving them around.

VM global properties allow to configure scaling factor per monitor. It can be configured only with the monitor is physically attached, so not really useful in a portable environment. With the connection to the reported issue, it is not applied to the window size while moved between host screens.

Another challenging situation is with guest using multiple screens, here the global scaling settings per monitor and guest specific scaling setting per screen require continuous updates when host monitors are connected and disconnected.

Bottom line: When window gets moved between monitors with different scaling factor, this should be transparent (undetectable) by the guest, even with GA installed. Either the window size should get scaled in the same ratio, or the window scaling should change automatically to compensate for the system change of physical window size.

The latter approach was used in versions prior to 6, it would be very useful to enable some kind of a compatibility mode rather than suggesting users to stay with Virtualbox version 5, as seen at https://forums.virtualbox.org/viewtopic.php?f=8&t=91223#p445545
",amk
19086,rm / rmdir  not working correctly in shared folders,VirtualBox 6.0.14,Linux,2019-11-14T07:22:32Z,2021-04-15T22:30:27Z,2021-04-15T22:30:27Z,"As it seems that comments to existing tickets are not enough, I make a ticket out of my comment to #18569.

Since the beginning of VirtualBox v6.x the ""rm -r"" command is not working correctly in shared folder within a Linux guest.

I attach a screen shot of an example what happens.

Host: Windows 10 1903
Guest: CentOS 6.6, kernel 2.6.32-504.el6.x86_64",Reiner Brodbeck
19099,openSUSE Leap 42.3 - cannot compile vboxsf module,VirtualBox 6.0.14,Linux,2019-11-20T14:53:44Z,2020-09-25T18:24:02Z,2020-09-25T18:24:02Z,"Using the current 6.0.14 we cannot compile the shared folder module from the guest additions in the guest with a compile error and as such no shared folder functionality is available:

openSUSE Leap 42.3
Linux linux-ntkd 4.4.180-102-default #1 SMP Mon Jun 17 13:11:23 UTC 2019 (7cfa20a) x86_64 x86_64 x86_64 GNU/Linux

cat vboxadd-install.log
{{{
VirtualBox Guest Additions: Starting.
VirtualBox Guest Additions: Building the VirtualBox Guest Additions kernel
modules.  This may take a while.
VirtualBox Guest Additions: To build modules for other installed kernels, run
VirtualBox Guest Additions:   /sbin/rcvboxadd quicksetup <version>
VirtualBox Guest Additions: or
VirtualBox Guest Additions:   /sbin/rcvboxadd quicksetup all
VirtualBox Guest Additions: Building the modules for kernel 4.4.180-102-default.

VirtualBox Guest Additions: Look at /var/log/vboxadd-setup.log to find out what
went wrong
VirtualBox Guest Additions: modprobe vboxsf failed

cat vboxadd-setup.log
Installing X.Org Server 1.18 modules
}}}

### the service in general worked:
{{{
 systemctl status vboxadd-service.service
● vboxadd-service.service
   Loaded: loaded (/opt/VBoxGuestAdditions-6.0.14/init/vboxadd-service; enabled; vendor preset: disabled)
   Active: active (running) since Wed 2019-11-20 09:22:25 CET; 13min ago
    Tasks: 8 (limit: 512)
   CGroup: /system.slice/vboxadd-service.service
           └─1457 /usr/sbin/VBoxService --pidfile /var/run/vboxadd-service.sh
}}}

XXX but shared folder support does not work:
{{{
fbatschu@linux-ntkd:~> lsmod|grep vbox
vboxguest             368640  6

[    4.253318] vboxguest: misc device minor 57, IRQ 20, I/O port d040, MMIO at 00000000f2400000 (size 0x400000)
[    4.253319] vboxguest: Successfully loaded version 6.0.14 (interface 0x00010004)
[    4.258614] XFS (sda3): Ending clean mount
[    4.296429] systemd-journald[403]: Received request to flush runtime journal from PID 1
[    4.553802] snd_intel8x0 0000:00:05.0: white list rate for 1028:0177 is 48000
[    5.217573] No iBFT detected.
[    5.243033] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[    6.353076] 08:22:25.818744 main     VBoxService 6.0.14 r133895 (verbosity: 0) linux.amd64 (Oct 10 2019 20:44:32) release log
               08:22:25.818746 main     Log opened 2019-11-20T08:22:25.818741000Z
[    6.353107] 08:22:25.818807 main     OS Product: Linux
[    6.353121] 08:22:25.818824 main     OS Release: 4.4.180-102-default
[    6.353134] 08:22:25.818838 main     OS Version: #1 SMP Mon Jun 17 13:11:23 UTC 2019 (7cfa20a)
[    6.353157] 08:22:25.818855 main     Executable: /opt/VBoxGuestAdditions-6.0.14/sbin/VBoxService
               08:22:25.818855 main     Process ID: 1452
               08:22:25.818856 main     Package type: LINUX_64BITS_GENERIC
[    6.353791] 08:22:25.819485 main     6.0.14 r133895 started. Verbose level = 0
[    6.354534] 08:22:25.820219 main     vbglR3GuestCtrlDetectPeekGetCancelSupport: Supported (#1)
[    6.361318] 08:22:25.826993 automount Error: vbsvcAutomounterMountIt: Failed to mount 'Downloads' on '/media/sf_Downloads': No such device (-1,19)
[    6.362301] 08:22:25.827991 automount Error: vbsvcAutomounterMountIt: Failed to mount 'Music' on '/media/sf_Music': No such device (-1,19)
[    7.249769] e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
[    7.250592] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[    7.371502] 08:22:26.837466 automount Error: vbsvcAutomounterMountIt: Failed to mount 'Downloads' on '/media/sf_Downloads': No such device (-1,19)
[    7.381974] 08:22:26.847947 automount Error: vbsvcAutomounterMountIt: Failed to mount 'Music' on '/media/sf_Music': No such device (-1,19)
[    7.643712] NET: Registered protocol family 17
[   23.841175] fuse init (API version 7.23)
[  529.556954] VBGL_IOCTL_ACQUIRE_GUEST_CAPABILITIES failed rc=-138
[  530.941517] VBGL_IOCTL_ACQUIRE_GUEST_CAPABILITIES failed rc=-138
[  548.804519] VBGL_IOCTL_ACQUIRE_GUEST_CAPABILITIES failed rc=-138
[  550.120040] VBGL_IOCTL_ACQUIRE_GUEST_CAPABILITIES failed rc=-138
}}}

### try to test this manually:
{{{
linux-ntkd:/opt/VBoxGuestAdditions-6.0.14/bin # VBoxControl sharedfolder list
Oracle VM VirtualBox Guest Additions Command Line Management Interface Version 6.0.14
(C) 2008-2019 Oracle Corporation
All rights reserved.

Shared Folder mappings (2):

01 - Downloads [idRoot=0 writable auto-mount host-icase]
02 - Music [idRoot=1 writable auto-mount host-icase]

linux-ntkd:/opt/VBoxGuestAdditions-6.0.14/sbin # ./VBoxService --enable-automount
08:44:57.202537 main     VBoxService 6.0.14 r133895 (verbosity: 0) linux.amd64 (Oct 10 2019 20:44:32) release log
08:44:57.202545 main     Log opened 2019-11-20T08:44:57.202521000Z
08:44:57.202777 main     OS Product: Linux
08:44:57.202865 main     OS Release: 4.4.180-102-default
08:44:57.202935 main     OS Version: #1 SMP Mon Jun 17 13:11:23 UTC 2019 (7cfa20a)
08:44:57.203002 main     Executable: /opt/VBoxGuestAdditions-6.0.14/sbin/VBoxService
08:44:57.203004 main     Process ID: 3724
08:44:57.203006 main     Package type: LINUX_64BITS_GENERIC
08:44:57.209167 main     6.0.14 r133895 started. Verbose level = 0

[ 1356.851990] 08:44:57.202537 main     VBoxService 6.0.14 r133895 (verbosity: 0) linux.amd64 (Oct 10 2019 20:44:32) release log
               08:44:57.202545 main     Log opened 2019-11-20T08:44:57.202521000Z
[ 1356.852141] 08:44:57.202777 main     OS Product: Linux
[ 1356.852213] 08:44:57.202865 main     OS Release: 4.4.180-102-default
[ 1356.852282] 08:44:57.202935 main     OS Version: #1 SMP Mon Jun 17 13:11:23 UTC 2019 (7cfa20a)
[ 1356.852371] 08:44:57.203002 main     Executable: /opt/VBoxGuestAdditions-6.0.14/sbin/VBoxService
               08:44:57.203004 main     Process ID: 3724
               08:44:57.203006 main     Package type: LINUX_64BITS_GENERIC
[ 1356.858567] 08:44:57.209167 main     6.0.14 r133895 started. Verbose level = 0
[ 1356.881822] 08:44:57.232459 main     vbglR3GuestCtrlDetectPeekGetCancelSupport: Supported (#1)
[ 1356.882025] 08:44:57.232708 main     Error: Failed to become guest control master: VERR_RESOURCE_BUSY
[ 1356.882273] 08:44:57.232954 main     Error: Service 'control' failed to initialize: VERR_RESOURCE_BUSY
[ 1356.882528] 08:44:57.233216 main     Session 0 is about to close ...
[ 1356.882548] 08:44:57.233241 main     Stopping all guest processes ...
[ 1356.882579] 08:44:57.233272 main     Closing all guest files ...
[ 1356.882631] 08:44:57.233292 main     Ended.

fbatschu@linux-ntkd:/opt/VBoxGuestAdditions-6.0.14/bin> mount -v|grep vbox
fbatschu@linux-ntkd:/opt/VBoxGuestAdditions-6.0.14/bin>

linux-ntkd:/opt/VBoxGuestAdditions-6.0.14/other # ./mount.vboxsf Downloads /mnt
./mount.vboxsf: mounting failed with the error: No such device
linux-ntkd:/opt/VBoxGuestAdditions-6.0.14/other # echo $?
1

mount(""Downloads"", ""/mnt"", ""vboxsf"", MS_NODEV, """") = -1 ENODEV (No such device)
write(2, ""./mount.vboxsf: mounting failed ""..., 46./mount.vboxsf: mounting failed with the error) = 46
write(2, "": No such device\n"", 17: No such device
)      = 17

linux-ntkd:/opt/VBoxGuestAdditions-6.0.14 # find / -name vboxguest -ls
  1066    0 drwxr-xr-x   1 root     root          656 Oct 10 20:44 /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxguest
 13625    0 crw-rw----   1 vboxadd  root      10,  57 Nov 20 09:22 /dev/vboxguest
4026532203    0 dr-xr-xr-x   2 root     root            0 Nov 20 09:52 /proc/irq/20/vboxguest
 11526    0 drwxr-xr-x   2 root     root            0 Nov 20 09:22 /sys/bus/pci/drivers/vboxguest
 12374    0 drwxr-xr-x   3 root     root            0 Nov 20 09:22 /sys/devices/virtual/misc/vboxguest
 12377    0 lrwxrwxrwx   1 root     root            0 Nov 20 09:52 /sys/class/misc/vboxguest -> ../../devices/virtual/misc/vboxguest
 11450    0 drwxr-xr-x   7 root     root            0 Nov 20 09:22 /sys/module/vboxguest

linux-ntkd:/opt/VBoxGuestAdditions-6.0.14 # find / -name vboxsf -ls
  1268    0 drwxr-xr-x   1 root     root          850 Oct 10 20:44 /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf
}}}

XXX see how the compilation of the vboxsf module fails:
{{{
linux-ntkd:/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf # make
make V=1 CONFIG_MODULE_SIG= -C /lib/modules/4.4.180-102-default/build M=/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf SRCROOT=/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf -j2 modules
make[1]: Entering directory '/usr/src/linux-4.4.180-102-obj/x86_64/default'
make -C ../../../linux-4.4.180-102 O=/usr/src/linux-4.4.180-102-obj/x86_64/default/. modules
make -C /usr/src/linux-4.4.180-102-obj/x86_64/default KBUILD_SRC=/usr/src/linux-4.4.180-102 \
-f /usr/src/linux-4.4.180-102/Makefile modules
test -e include/generated/autoconf.h -a -e include/config/auto.conf || (		\
echo >&2;							\
echo >&2 ""  ERROR: Kernel configuration is invalid."";		\
echo >&2 ""         include/generated/autoconf.h or include/config/auto.conf are missing."";\
echo >&2 ""         Run 'make oldconfig && make prepare' on kernel src to fix it."";	\
echo >&2 ;							\
/bin/false)
mkdir -p /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/.tmp_versions ; rm -f /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/.tmp_versions/*
make -f /usr/src/linux-4.4.180-102/scripts/Makefile.build obj=/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf
  gcc -Wp,-MD,/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/.vfsmod.o.d  -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/4.8/include -I/usr/src/linux-4.4.180-102/arch/x86/include -Iarch/x86/include/generated/uapi -Iarch/x86/include/generated  -I/usr/src/linux-4.4.180-102/include -Iinclude -I/usr/src/linux-4.4.180-102/arch/x86/include/uapi -Iarch/x86/include/generated/uapi -I/usr/src/linux-4.4.180-102/include/uapi -Iinclude/generated/uapi -include /usr/src/linux-4.4.180-102/include/linux/kconfig.h   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -std=gnu89 -fno-PIE -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mtune=generic -mno-red-zone -mcmodel=kernel -funit-at-a-time -maccumulate-outgoing-args -DCONFIG_X86_X32_ABI -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_FXSAVEQ=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_CRC32=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -pipe -Wno-sign-compare -mindirect-branch=thunk-extern -mindirect-branch-register -DRETPOLINE -fno-delete-null-pointer-checks -Wno-maybe-uninitialized -O2 --param=allow-store-data-races=0 -DCC_HAVE_ASM_GOTO -Wframe-larger-than=2048 -fstack-protector -Wno-unused-but-set-variable -fno-var-tracking-assignments -fasynchronous-unwind-tables -g -gdwarf-4 -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=implicit-int -Werror=strict-prototypes -Wno-declaration-after-statement -fno-pie -include /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf//include/VBox/VBoxGuestMangling.h -fshort-wchar   -I/usr/src/linux-4.4.180-102/include   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/include   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/r0drv/linux -D__KERNEL__ -DMODULE -DRT_WITHOUT_PRAGMA_ONCE -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_SUP_R0 -DVBOX -DVBOX_WITH_HGCM -DIN_MODULE -DIN_GUEST -DIN_GUEST_R0 -DRT_NO_EXPORT_SYMBOL -DVBOX_WITH_64_BITS_GUESTS -DRT_ARCH_AMD64  -DMODULE  -D""KBUILD_STR(s)=#s"" -D""KBUILD_BASENAME=KBUILD_STR(vfsmod)""  -D""KBUILD_MODNAME=KBUILD_STR(vboxsf)"" -c -o /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/.tmp_vfsmod.o /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/vfsmod.c
  gcc -Wp,-MD,/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/.dirops.o.d  -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/4.8/include -I/usr/src/linux-4.4.180-102/arch/x86/include -Iarch/x86/include/generated/uapi -Iarch/x86/include/generated  -I/usr/src/linux-4.4.180-102/include -Iinclude -I/usr/src/linux-4.4.180-102/arch/x86/include/uapi -Iarch/x86/include/generated/uapi -I/usr/src/linux-4.4.180-102/include/uapi -Iinclude/generated/uapi -include /usr/src/linux-4.4.180-102/include/linux/kconfig.h   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -std=gnu89 -fno-PIE -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mtune=generic -mno-red-zone -mcmodel=kernel -funit-at-a-time -maccumulate-outgoing-args -DCONFIG_X86_X32_ABI -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_FXSAVEQ=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_CRC32=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -pipe -Wno-sign-compare -mindirect-branch=thunk-extern -mindirect-branch-register -DRETPOLINE -fno-delete-null-pointer-checks -Wno-maybe-uninitialized -O2 --param=allow-store-data-races=0 -DCC_HAVE_ASM_GOTO -Wframe-larger-than=2048 -fstack-protector -Wno-unused-but-set-variable -fno-var-tracking-assignments -fasynchronous-unwind-tables -g -gdwarf-4 -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=implicit-int -Werror=strict-prototypes -Wno-declaration-after-statement -fno-pie -include /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf//include/VBox/VBoxGuestMangling.h -fshort-wchar   -I/usr/src/linux-4.4.180-102/include   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/include   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/r0drv/linux -D__KERNEL__ -DMODULE -DRT_WITHOUT_PRAGMA_ONCE -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_SUP_R0 -DVBOX -DVBOX_WITH_HGCM -DIN_MODULE -DIN_GUEST -DIN_GUEST_R0 -DRT_NO_EXPORT_SYMBOL -DVBOX_WITH_64_BITS_GUESTS -DRT_ARCH_AMD64  -DMODULE  -D""KBUILD_STR(s)=#s"" -D""KBUILD_BASENAME=KBUILD_STR(dirops)""  -D""KBUILD_MODNAME=KBUILD_STR(vboxsf)"" -c -o /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/.tmp_dirops.o /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/dirops.c
  if [ ""-pg"" = ""-pg"" ]; then if [ /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/vfsmod.o != ""scripts/mod/empty.o"" ]; then ./scripts/recordmcount  ""/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/vfsmod.o""; fi; fi;
  gcc -Wp,-MD,/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/.lnkops.o.d  -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/4.8/include -I/usr/src/linux-4.4.180-102/arch/x86/include -Iarch/x86/include/generated/uapi -Iarch/x86/include/generated  -I/usr/src/linux-4.4.180-102/include -Iinclude -I/usr/src/linux-4.4.180-102/arch/x86/include/uapi -Iarch/x86/include/generated/uapi -I/usr/src/linux-4.4.180-102/include/uapi -Iinclude/generated/uapi -include /usr/src/linux-4.4.180-102/include/linux/kconfig.h   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -std=gnu89 -fno-PIE -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mtune=generic -mno-red-zone -mcmodel=kernel -funit-at-a-time -maccumulate-outgoing-args -DCONFIG_X86_X32_ABI -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_FXSAVEQ=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_CRC32=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -pipe -Wno-sign-compare -mindirect-branch=thunk-extern -mindirect-branch-register -DRETPOLINE -fno-delete-null-pointer-checks -Wno-maybe-uninitialized -O2 --param=allow-store-data-races=0 -DCC_HAVE_ASM_GOTO -Wframe-larger-than=2048 -fstack-protector -Wno-unused-but-set-variable -fno-var-tracking-assignments -fasynchronous-unwind-tables -g -gdwarf-4 -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=implicit-int -Werror=strict-prototypes -Wno-declaration-after-statement -fno-pie -include /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf//include/VBox/VBoxGuestMangling.h -fshort-wchar   -I/usr/src/linux-4.4.180-102/include   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/include   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/r0drv/linux -D__KERNEL__ -DMODULE -DRT_WITHOUT_PRAGMA_ONCE -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_SUP_R0 -DVBOX -DVBOX_WITH_HGCM -DIN_MODULE -DIN_GUEST -DIN_GUEST_R0 -DRT_NO_EXPORT_SYMBOL -DVBOX_WITH_64_BITS_GUESTS -DRT_ARCH_AMD64  -DMODULE  -D""KBUILD_STR(s)=#s"" -D""KBUILD_BASENAME=KBUILD_STR(lnkops)""  -D""KBUILD_MODNAME=KBUILD_STR(vboxsf)"" -c -o /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/.tmp_lnkops.o /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/lnkops.c
  if [ ""-pg"" = ""-pg"" ]; then if [ /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/dirops.o != ""scripts/mod/empty.o"" ]; then ./scripts/recordmcount  ""/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/dirops.o""; fi; fi;
  gcc -Wp,-MD,/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/.regops.o.d  -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/4.8/include -I/usr/src/linux-4.4.180-102/arch/x86/include -Iarch/x86/include/generated/uapi -Iarch/x86/include/generated  -I/usr/src/linux-4.4.180-102/include -Iinclude -I/usr/src/linux-4.4.180-102/arch/x86/include/uapi -Iarch/x86/include/generated/uapi -I/usr/src/linux-4.4.180-102/include/uapi -Iinclude/generated/uapi -include /usr/src/linux-4.4.180-102/include/linux/kconfig.h   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -std=gnu89 -fno-PIE -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mtune=generic -mno-red-zone -mcmodel=kernel -funit-at-a-time -maccumulate-outgoing-args -DCONFIG_X86_X32_ABI -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_FXSAVEQ=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_CRC32=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -pipe -Wno-sign-compare -mindirect-branch=thunk-extern -mindirect-branch-register -DRETPOLINE -fno-delete-null-pointer-checks -Wno-maybe-uninitialized -O2 --param=allow-store-data-races=0 -DCC_HAVE_ASM_GOTO -Wframe-larger-than=2048 -fstack-protector -Wno-unused-but-set-variable -fno-var-tracking-assignments -fasynchronous-unwind-tables -g -gdwarf-4 -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=implicit-int -Werror=strict-prototypes -Wno-declaration-after-statement -fno-pie -include /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf//include/VBox/VBoxGuestMangling.h -fshort-wchar   -I/usr/src/linux-4.4.180-102/include   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/include   -I/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/r0drv/linux -D__KERNEL__ -DMODULE -DRT_WITHOUT_PRAGMA_ONCE -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_SUP_R0 -DVBOX -DVBOX_WITH_HGCM -DIN_MODULE -DIN_GUEST -DIN_GUEST_R0 -DRT_NO_EXPORT_SYMBOL -DVBOX_WITH_64_BITS_GUESTS -DRT_ARCH_AMD64  -DMODULE  -D""KBUILD_STR(s)=#s"" -D""KBUILD_BASENAME=KBUILD_STR(regops)""  -D""KBUILD_MODNAME=KBUILD_STR(vboxsf)"" -c -o /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/.tmp_regops.o /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c
/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c: In function ‘vbsf_lock_user_pages’:
/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:1440:52: warning: passing argument 1 of ‘get_user_pages_unlocked’ makes integer from pointer without a cast [enabled by default]
                                                    fWrite ? FOLL_WRITE | FOLL_FORCE : FOLL_FORCE);
                                                    ^
In file included from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/r0drv/linux/the-linux-kernel.h:101:0,
                 from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/vfsmod.h:43,
                 from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:35:
/usr/src/linux-4.4.180-102/include/linux/mm.h:1294:6: note: expected ‘long unsigned int’ but argument is of type ‘struct task_struct *’
 long get_user_pages_unlocked(unsigned long start, unsigned long nr_pages,
      ^
/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:1440:52: warning: passing argument 2 of ‘get_user_pages_unlocked’ makes integer from pointer without a cast [enabled by default]
                                                    fWrite ? FOLL_WRITE | FOLL_FORCE : FOLL_FORCE);
                                                    ^
In file included from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/r0drv/linux/the-linux-kernel.h:101:0,
                 from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/vfsmod.h:43,
                 from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:35:
/usr/src/linux-4.4.180-102/include/linux/mm.h:1294:6: note: expected ‘long unsigned int’ but argument is of type ‘struct mm_struct *’
 long get_user_pages_unlocked(unsigned long start, unsigned long nr_pages,
      ^
/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:1440:52: warning: passing argument 3 of ‘get_user_pages_unlocked’ makes pointer from integer without a cast [enabled by default]
                                                    fWrite ? FOLL_WRITE | FOLL_FORCE : FOLL_FORCE);
                                                    ^
In file included from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/r0drv/linux/the-linux-kernel.h:101:0,
                 from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/vfsmod.h:43,
                 from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:35:
/usr/src/linux-4.4.180-102/include/linux/mm.h:1294:6: note: expected ‘struct page **’ but argument is of type ‘uintptr_t’
 long get_user_pages_unlocked(unsigned long start, unsigned long nr_pages,
      ^
/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:1440:52: error: too many arguments to function ‘get_user_pages_unlocked’
                                                    fWrite ? FOLL_WRITE | FOLL_FORCE : FOLL_FORCE);
                                                    ^
In file included from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/r0drv/linux/the-linux-kernel.h:101:0,
                 from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/vfsmod.h:43,
                 from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:35:
/usr/src/linux-4.4.180-102/include/linux/mm.h:1294:6: note: declared here
 long get_user_pages_unlocked(unsigned long start, unsigned long nr_pages,
      ^
/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c: At top level:
/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:3780:5: warning: initialization from incompatible pointer type [enabled by default]
     .direct_IO      = vbsf_direct_IO,
     ^
/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:3780:5: warning: (near initialization for ‘vbsf_reg_aops.direct_IO’) [enabled by default]
/usr/src/linux-4.4.180-102/scripts/Makefile.build:278: recipe for target '/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.o' failed
make[4]: *** [/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.o] Error 1
make[4]: *** Waiting for unfinished jobs....
  if [ ""-pg"" = ""-pg"" ]; then if [ /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/lnkops.o != ""scripts/mod/empty.o"" ]; then ./scripts/recordmcount  ""/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/lnkops.o""; fi; fi;
/usr/src/linux-4.4.180-102/Makefile:1462: recipe for target '_module_/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf' failed
make[3]: *** [_module_/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf] Error 2
Makefile:152: recipe for target 'sub-make' failed
make[2]: *** [sub-make] Error 2
Makefile:24: recipe for target '__sub-make' failed
make[1]: *** [__sub-make] Error 2
make[1]: Leaving directory '/usr/src/linux-4.4.180-102-obj/x86_64/default'
/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/Makefile-footer.gmk:111: recipe for target 'vboxsf' failed
make: *** [vboxsf] Error 2
}}}

XXX the error is around the usage of get_user_pages_unlocked()
{{{
/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:1440:52: warning: passing argument 2 of ‘get_user_pages_unlocked’ makes integer from pointer without a cast [enabled by default]
                                                    fWrite ? FOLL_WRITE | FOLL_FORCE : FOLL_FORCE);
                                                    ^
In file included from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/r0drv/linux/the-linux-kernel.h:101:0,
                 from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/vfsmod.h:43,
                 from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:35:
/usr/src/linux-4.4.180-102/include/linux/mm.h:1294:6: note: expected ‘long unsigned int’ but argument is of type ‘struct mm_struct *’
 long get_user_pages_unlocked(unsigned long start, unsigned long nr_pages,
      ^
/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:1440:52: warning: passing argument 3 of ‘get_user_pages_unlocked’ makes pointer from integer without a cast [enabled by default]
                                                    fWrite ? FOLL_WRITE | FOLL_FORCE : FOLL_FORCE);

In file included from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/r0drv/linux/the-linux-kernel.h:101:0,
                 from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/vfsmod.h:43,
                 from /opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:35:
/usr/src/linux-4.4.180-102/include/linux/mm.h:1294:6: note: expected ‘struct page **’ but argument is of type ‘uintptr_t’
 long get_user_pages_unlocked(unsigned long start, unsigned long nr_pages,
      ^
/opt/VBoxGuestAdditions-6.0.14/src/vboxguest-6.0.14/vboxsf/regops.c:1440:52: error: too many arguments to function ‘get_user_pages_unlocked’
                                                    fWrite ? FOLL_WRITE | FOLL_FORCE : FOLL_FORCE);
                                                    ^
}}}
",Frank Batschulat (Oracle)
19110,Windows 10 KMODE_EXCEPTION_NOT_HANDLED with mapped shared folder,VirtualBox 6.0.14,Windows,2019-11-26T21:46:32Z,2019-11-26T21:46:32Z,2019-11-26T21:46:32Z,"Mapped folder:
{{{
              Z:        \\VBoxSvr\Downloads       VirtualBox Shared Folders
}}}

Steps:
1. Turn on win 10 (1809/17763.805) -- this is VM is from modern.ie (it's ~45 days old and updates on its own), it has a persistent mapped shared folder
2. Log in (IEUser...)
3. Open Windows explorer
4. Browse to This PC
5. Browse to Downloads ({{{\\VBoxSvr}}})(Z:)
6. Click the files pane
7. type `zap` (I have ZAP_2_8_0_windows.exe in this shared folder)

Consistently rebooted a couple of times. Since copying the file from the drive to c: using `cmd`, this hasn't happened.

I do have a full kernel dump (4GB).",Garner
19116,When accessing shared folders the WIN10 1903 VM reboots on a WIN10 1903 host,VirtualBox 6.0.14,Windows,2019-11-28T17:56:08Z,2019-11-30T11:57:21Z,2019-11-30T11:57:21Z,"Similar to ticket 18766, which was resolved in 6.0.14.  When I access shared folders some folders open up hesitantly, most cause a reboot of the VM.
I am new to this, so please let me know what other information would help.  Thanks.",psptconsp
19126,Hard freeze on Centos Host system with Guest using Shared Folders,VirtualBox 6.0.14,Windows,2019-12-03T15:38:08Z,2019-12-09T15:33:25Z,2019-12-09T15:33:25Z,"Running Centos 7.7 Host with a Windows 10 Guest using a Shared Folder. I have experienced issues in the past with Shared Folders, but in the past it only seemed to affect the Guest systems. This issue is hard to troubleshoot since the Host system freezes, I can only resolve it by unplugging the power. I have tried using the SysRq keys to no avail. In troubleshooting the issue, I have stopped all other host applications except VirtualBox and disconnected the Shared folder. For a week, I did not experience any freezing of the host the system. If I connect the Shared Folder I will randomly experience a hard freeze in a couple of hours or a couple of days.

The host system has 16GB RAM and 4 cores. I am using 4GB and 2 cores for my Windows 10 1909 guest.

I do not know how to troubleshoot this any further since the Host system hard freezes, I do not get any indications of problems in any of the host logs. It most likely freezes before documenting the problem. I welcome any tests or settings which you want me to implement in order to determine the problem or fixes.
 ",jim.rather
19133,VM lockup when guest opens a named pipe in a shared folder,VirtualBox 6.0.14,all,2019-12-06T16:29:53Z,2021-07-07T11:16:29Z,2021-07-07T11:16:29Z,"I discovered this bug because I was `rsync`ing a shared folder containing a named pipe, and this hung my machine.

Repro steps:
 - Set up a Linux guest on a Mac host. I have Ubuntu 18.04 running on VBox 6.0.14 (latest stable as of now).
 - Set up a shared folder 
 - On the host, `mkfifo TEST_PIPE` in the folder
 - On the guest, `cat TEST_PIPE`

At this point, the guest is (partially) locked up. Specifically:
 - Ctrl-C nor SIGKILL will work for `cat` — it is hung in D state, unkillable
 - Any process touching the shared folder hangs likewise
 - `dmesg` will show the following stack for the hung `cat` https://pastebin.com/WjKQaZys [1]
 - The guest cannot be cleanly rebooted because shutdown requires tearing down the guest additions module, which is blocked on talking to the VM.
 - Powering off the VM (not from the guest, but from the UI!) will hang.

So this is not a hang in guest additions, but in the VM code itself.

My guess is that the thread handling shared folders is locked up trying to read from the named pipe.

What confirms this is that the hang is resolved the moment that I do `echo > TEST_PIPE` on the host.

The reason this is **not** expected behavior is that the guest sees the named pipe as a regular file:

$ ls -l TEST_PIPE 
-rwxrwx--- 1 root vboxsf 0 Dec  6 16:21 TEST_PIPE

Two fixes seem possible:
 - Make named pipes act as true named pipes to the host. If you google ""vboxsf named pipe"", this is actually a feature that was previously requested.
 - Make the `open` syscall fail in this context. This is worse than working pipes, but better than a lockup. At the moment, data does not actually travel down the named pipe, if the host does `echo foo > TEST_PIPE` and the guest does `cat TEST_PIPE`, the guest simply says `cat: TEST_PIPE: Protocol error`.

[1]
{{{
$ sudo cat /proc/7376/stack
[<0>] rtR0SemEventMultiLnxWait.isra.2+0x33d/0x370 [vboxguest]
[<0>] VBoxGuest_RTSemEventMultiWaitEx+0xe/0x10 [vboxguest]
[<0>] VBoxGuest_RTSemEventMultiWait+0x28/0x30 [vboxguest]
[<0>] vgdrvHgcmAsyncWaitCallbackWorker+0x1c3/0x210 [vboxguest]
[<0>] VGDrvCommonIoCtl+0x489/0x18e0 [vboxguest]
[<0>] VBoxGuestIDC+0x149/0x160 [vboxguest]
[<0>] VbglR0IdcCallRaw+0x13/0x20 [vboxsf]
[<0>] VbglR0HGCMFastCall+0x1c/0x20 [vboxsf]
[<0>] vbsf_reg_open+0x291/0x4f0 [vboxsf]
[<0>] do_dentry_open+0x1c2/0x310
[<0>] vfs_open+0x4f/0x80
[<0>] path_openat+0x6bf/0x1900
[<0>] do_filp_open+0x9b/0x110
[<0>] do_sys_open+0x1bb/0x2c0
[<0>] SyS_openat+0x14/0x20
[<0>] do_syscall_64+0x73/0x130
[<0>] entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[<0>] 0xffffffffffffffff
}}}",lesha
19150,Seamless mode hides mini ToolBar,VirtualBox 6.1.0,Windows,2019-12-12T21:02:11Z,2019-12-12T21:02:11Z,2019-12-12T21:02:11Z,"This bug goes back to VB 5.2, if memory serves.  It was fixed in 6.1 RC1, so I thought ""great!"", but in the 6.1 release, the problem has returned.

On Solaris, Linux, and FreeBSD (BSD using the OSE release) hosts, when a VMs is in seamless mode (like Win 7 and these same Linux/UNIX variants), the VB mini ToolBar is hidden behind the guest's toolbar if they are on the same edge of the screen.  There is no way to bring it forward, even if you set your guest to auto-hide its toolbar.

Attached log is from Windows 7, but it also happens with other guests that have a desktop that works well with seamless mode, like MATE or Gnome2.

This also happens if I use 6.1.0 with the 6.1.0RC1 guest additions.",bq
19183,Auto-resize feature not working,VirtualBox 6.1.0,Linux,2019-12-23T12:53:14Z,2019-12-31T14:35:14Z,2019-12-31T14:35:14Z,"VBox 6.1.0 – Version 6.1.0 r135406 (Qt5.9.5)

Host: Ubuntu 18.04; 4.15.0-72-generic #4.15.0.72.81

Guest: Manjaro Linux 18.1.4, 4.19.88-1-MANJARO

Guest: VBoxSVGA; Guest Additions 6.1.0

Enabling ›auto-resize‹ in guest window (›View‹ – ›Auto-resize Guest Display‹) has no effect. Manual resizing of display works fine.",phaidros
19205,Mouse loses focus when enabling second virtual screen,VirtualBox 6.1.0,Windows,2020-01-07T09:39:43Z,2020-01-15T14:59:28Z,2020-01-15T14:59:28Z,"I have created a Windows 10 1909 guest running Virtualbox 6.1.0 r135406 guest additions with two virtual screens on an Ubuntu 18.04 (4.15.0-74-generic) host running Virtualbox 6.1.0 r135406. The mouse loses focus when you enable the second virtual screen: if you choose 'Extend these displays' from Display settings you cannot click on 'Keep changes'. The mouse pointer seems to get offset, you can click on the Start Menu in the first virtual screen but when you hover over the Start menu items the mouse pointer is offset: the Calculator gets highlighted but the mouse pointer is shown above it. When you 'click on' the Calculator while it is highlighted it launches. You can move the mouse to the second virtual screen but nothing happens when you click anywhere.

Regards,
GW",gwiesenekker
19210,windows 10 guest crashes when exploring host shared folder,VirtualBox 6.0.10,Windows,2020-01-08T15:40:26Z,2021-06-17T13:24:14Z,2021-06-17T13:24:14Z,I have shared a folder from my linux host and boot a windows 10 pro (64-bit originally installed from M$ download site) guest vm to use windows explorer to view the files in the share which appears as Z: drive. I choose to change the sort column to view by modified date and I can no longer get a response from the win 10 guest. The next moment I see the vm rebooting. I can reproduce this behaviour each time. Linux 64 bit vbox 6.0.10 r132072 (Qt5.9.5) I have attached the logfile,captain cranium
19249,aclocal (and probably other tools) not working in shared folder,VirtualBox 6.1.2,Linux,2020-01-21T16:33:17Z,2020-02-04T14:08:24Z,2020-02-04T14:08:24Z,"How to reproduce using Vagrant:

* Use a minimal `Vagrantfile`:
{{{
$script = <<SCRIPT
    yum install -y epel-release
    yum install -y automake libtool
SCRIPT

Vagrant.configure('2') do |config|
    config.vm.box = 'allenta/bento.centos-7.4'
    config.vm.box_version = '=201803.24.0'
    config.vm.synced_folder '.', '/vagrant', :nfs => false
    config.vm.provision :shell, :privileged => true, :inline => $script
end
}}}
* Create a minimal `configure.ac` file in `/vagrant/` (i.e. shared folder):
{{{
AC_INIT([helloworld], [0.1], [hello@example.com])
AM_INIT_AUTOMAKE
AC_PROG_CC
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
}}}
* Try to run `aclocal`:
{{{
$ cd /vagrant

$ aclocal
/usr/bin/m4:/tmp/am4tHcrP6s/traces.m4:320: ERROR: end of file in string
Use of uninitialized value $msg in concatenation (.) or string at /usr/bin/autom4te line 1026.
Use of uninitialized value $stacktrace in pattern match (m//) at /usr/bin/autom4te line 1026.
unknown channel X])])])dnl
])
igure.ac:1: -1- m4_pattern_allow(^mandir$)
 at /usr/share/autoconf/Autom4te/Channels.pm line 638.
    Autom4te::Channels::msg('X])])])dnl\x{a}])\x{a}igure.ac:1: -1- m4_pattern_allow(^mandir$)\x{a}', undef, 'warning: ', 'partial', 0) called at /usr/bin/autom4te line 1026
aclocal: error: echo failed with exit status: 1
}}}

* Try same thing moving `/vagrant/configure.ac` to a different non-shared location (e.g. `/tmp`). The command will work as expected (i.e. not output and some files generated).

This has been tested in the following combinations. It only worked when using Ubuntu 19.10:
* macOS Catalina 10.15.2 + VirtualBox 6.0.16 + Vagrant 2.2.6
* macOS Catalina 10.15.2 + VirtualBox 6.1.2 + Vagrant 2.2.6 + https://github.com/oracle/vagrant-boxes/issues/178#issuecomment-575936662
* Ubuntu 18.04 + VirtualBox 6.0.14 + Vagrant 2.2.6
* Ubuntu 18.04 + VirtualBox 6.1.2 + Vagrant 2.2.6 + https://github.com/oracle/vagrant-boxes/issues/178#issuecomment-575936662
* Ubuntu 19.10 + VirtualBox 6.1.0 + Vagrant 2.2.6 + https://github.com/oracle/vagrant-boxes/issues/178#issuecomment-575936662

In the past this worked fine.",carlos.abalde
19270,Window not expanding under Guest Additions 6.1.2,VirtualBox 6.1.2,Windows,2020-01-26T23:47:55Z,2020-06-13T02:02:41Z,2020-06-13T02:02:41Z,"In VirtualBox Guest Additions 6.1.2, the Windows version does not auto-expand VM windows.",Dman 028
19297,Attempting to set up virus protection,VirtualBox 5.2.34,Windows,2020-02-09T02:37:12Z,2020-02-09T07:56:32Z,2020-02-09T07:56:32Z,"After a very long set up process to get windows 7 pro 32 bit running and finally see my usb drive, I encountered a fatal error when attempting to set up bitdefender virus protection within virtualbox running under feren (ubuntu 18.04 variant).  The software tells me to send you these two files for your review.  Hope you can clear up what is going on here as I a now unable to proceed any further with Virtualbox.",Tripleripple
19365,Graphic anomalies in Windows 10 2004,VirtualBox 6.1.4,Windows,2020-02-29T08:59:56Z,2021-12-01T14:43:32Z,2021-12-01T14:43:32Z,"I have installed Windows 10 2004 64-Bit as guest under Windows 10 64-Bit 1909 as host system. Graphic adapter is VBOXSVGA with 3D acceleration. Actual guest additions are running.
The Windows start menu and the task bar are completely tranparent and not grey transparent, so the text cannot be read. Furthermore the settings dialog seems to freeze, after minimizing and maximizing the windows changes are visible.
When I disable transparency effects in the settings under personalizing, colors, everything works fine.
I observed this problem first time in Windows 10 2004 as guest, in Windows 10 1909 the graphic output was OK.",awhb
19373,VBGL_IOCTL_ACQUIRE_GUEST_CAPABILITIES failed rc=-138 => Fixed in SVN,VirtualBox 6.1.4,Linux,2020-03-03T15:10:22Z,2021-11-05T13:59:40Z,2021-11-05T13:59:40Z,"Since Vbox version 6.1.4 we find the following error on Linux guests with the 6.1.4 GAs installed when the guest modules get loaded during boot.

[  386.591934] VBGL_IOCTL_ACQUIRE_GUEST_CAPABILITIES failed rc=-138[[BR]]
[  390.244395] VBGL_IOCTL_ACQUIRE_GUEST_CAPABILITIES failed rc=-138

I've not yet observed whether or not that has implications and indicates a deeper bug.

",Frank Batschulat (Oracle)
19415,Gust Additions fails to install correctly on Windows 10 when Graphics Controller set to null,VirtualBox 6.1.4,Windows,2020-03-19T07:19:41Z,2020-03-19T07:19:41Z,2020-03-19T07:19:41Z,"If you
 - disable the graphics controller (by setting it to null)
 - install the Guest Additions on Windows 10 Guest
It will
 - look like it finished
   - the untrained eye will not notice
     - gives an error message about missing hardware in the detailed output
After install
 - the tray icon will be there
   - making you think it worked
 - most (if not all) features enabled by guest additions will not work",Cameron Tacklind
19420,mount -t vboxsf Operation not supported by device,VirtualBox 6.1.4,BSD,2020-03-21T21:27:52Z,2020-04-06T17:10:27Z,2020-04-06T17:10:27Z,"When use `mount -t vboxsf ...`as suggested by VB-host SharedFolders hint, it fails, but writes nothing in dmesg. And there is mistake in the hint - it should be vboxVFS not vboxSF. Because vboxSF triggers nothing and vboxVFS triggers kldload of /boot/modules/vboxvfs.ko . [[BR]][[BR]]

When use `mount -t vboxvfs ...` and `mount_vboxvfs ...` it shows:[[BR]]

link_elf_obj: symbol bcmp undefined[[BR]]
linker_load_file: /boot/modules/vboxvfs.ko - unsupported file type  [[BR]][[BR]]

FreeBSD 13-Current[[BR]]
Additions: 5.2.34_2 (installed via pkg, not compiled) [[BR]][[BR]]
",MikhailRokhin
19421,Virtual machine is inaccessible,VirtualBox 6.0.18,Windows,2020-03-22T20:19:42Z,2020-03-22T20:19:42Z,2020-03-22T20:19:42Z,"After updating VirtualBox to version 6.0.18 I used the program for a few hours, I updated the extension packs without being able to use the iMac camera in the guest system. I turned off the virtual machine first and then the VirtualBox program without problems. A day later when I restarted the program, a message warned me that the WIN-10 virtual machine is inaccessible.
Looking forward to your reply, best regards. Giovanni DV

PS: I am attaching the messages received when the program was turned on, and the request to open the file.

",giovanniDV
19438,Resize Screen crashes Everything,VirtualBox 6.1.4,Linux,2020-03-27T13:53:02Z,2020-04-25T14:41:27Z,2020-04-25T14:41:27Z,"I am using Windows 10, VirtualBox Graphical User Interface
Version 6.1.4 r136177 (Qt5.6.2)
 with an Ubuntu 18.04 LTS guest. Once the guest is installed and rebooted, resizing the screen in windows can lock the VM, and eventually the whole PC. 

Steps to reproduce resize the screen and before the guest is refreshed add a little more screen. Different kinds of hangs but the VM guest is always hung. Sometimes VBox host hangs also.",jerry ely
19439,Resize Screen crashes Everything,VirtualBox 6.1.4,Linux,2020-03-27T13:53:09Z,2020-03-27T13:53:09Z,2020-03-27T13:53:09Z,"I am using Windows 10, VirtualBox Graphical User Interface
Version 6.1.4 r136177 (Qt5.6.2)
 with an Ubuntu 18.04 LTS guest. Once the guest is installed and rebooted, resizing the screen in windows can lock the VM, and eventually the whole PC. 

Steps to reproduce resize the screen and before the guest is refreshed add a little more screen. Different kinds of hangs but the VM guest is always hung. Sometimes VBox host hangs also.",jerry ely
19454,Transfer of large files from guest to host causes hang,VirtualBox 6.1.4,Windows,2020-04-01T18:48:28Z,2020-04-01T18:48:28Z,2020-04-01T18:48:28Z,"Host: Windows 10, Guest: Debian
Mount shared folder on from host.
Write large (>10GB) file.
Processes on guest will begin to hang.
Attempt to reboot may hang as well.",eng3
19457,Guest Addition not working with Windows NT 4.0 Guest,VirtualBox 6.1.4,Windows,2020-04-02T12:54:37Z,2022-04-03T15:49:06Z,2022-04-03T15:49:06Z,"Steps to reproduce the issue:

Install VirtualBox 6.1.4

Install Extension_Pack-6.1.4.vbox-extpack

Create a VM and install Win NT 4.0 on the guest. I used a german OEM iso from here: https://archive.org/download/WinNTWKS40DEU/NTWKS40D.iso

Install Service Pack 6a on the guest.

Install Guest Additions on guest. The installation completes without any errors. After installing it requests a reboot.

Now, whenever I boot the VM and login a user, the system freezes for around a minute and then displays an error message.
Translated to english:
""The start of at least one service failed, which should be started at system boot. Check the Event Viewer.""

There are no information in the Event Viewer. But when I look at the services, the only service with automatic start, which is not running is ""VirtualBox Guest Additions Service"". When I manually try to start this service, the following error appears (free translation to english):
""The VirtualBox Guest Additions Service on HOSTNAME could not be started.
Error 2186: The service does not respond to the control function.""

Some functions of the guest additions are working fine, like higher resolutions and True Color mode. But Shared folders or mouse integration are not working at all. When I try the exact same procedure with VirtualBox 5.2.38, I do not get any errors.",Sbf93
19459,VERR_PROC_ELEVATION_REQUIRED when running file with mandatory UAC elevation,VirtualBox 6.1.4,Windows,2020-04-02T20:52:57Z,2020-04-02T20:52:57Z,2020-04-02T20:52:57Z,"Hello.

I am trying to execute file, which requires UAC elevation with VBoxManage, and keep getting 'VERR_PROC_ELEVATION_REQUIRED' with both 'vboxmanage guestcontrol start' and  'vboxmanage guestcontrol run'. 
Disabling UAC on guest OS does not help either.

{{{
$ vboxmanage guestcontrol w10 --username user --password password start C:\\Users\\user\\Desktop\\rufus-3.9.exe
VBoxManage: error: VERR_PROC_ELEVATION_REQUIRED
VBoxManage: error: Details: code VBOX_E_IPRT_ERROR (0x80bb0005), component GuestProcessWrap, interface IGuestProcess, callee nsISupports
VBoxManage: error: Context: ""WaitForArray(ComSafeArrayAsInParam(aWaitStartFlags), gctlRunGetRemainingTime(msStart, cMsTimeout), &waitResult)"" at line 1469 of file VBoxManageGuestCtrl.cpp
}}}
",1ns
19460,Can't show Top Menu bar in Windows XP,VirtualBox 6.1.4,Windows,2020-04-03T00:00:11Z,2020-04-03T00:00:11Z,2020-04-03T00:00:11Z,"My rig: MacBookPro 15-inch (early 2012)
MacOs 10.14.6 (Mojave)
16gb ram
Virtual Box 6.1.4
Installed Windows XP. I want to install XP Guest Additions, but the desktop menu at top is not visible.
Went to vBox to check the flag  in the interface settings. There is no flag for the top menu visible.
See Link:
https://www.dropbox.com/s/2jkpfsql7hcs0nc/Screenshot%202020-04-02%2016.17.25.png?dl=0

BTW, former Apple QA test engineer here. (left just before Jobs came back)",zenmasterb
19480,VirtualBox freezes when Windows 7/10 guests reboot/reset after restoring online snapshots if GA is installed,VirtualBox 6.1.4,Windows,2020-04-12T06:34:06Z,2020-04-12T07:20:54Z,2020-04-12T07:20:54Z,"Host information:

- Arch Linux
- linux 5.6.3.arch1-1
- virtualbox 6.1.4-6
- virtualbox-guest-iso 6.1.4-1

Guest Information (both are reproducible)

- Windows 7 SP1
- Windows 10 LTSC 2019, Build Number 17763.1131

Steps to reproduce:

1. Cold boot the guest VM;
2. Take a online snapshot ""Snapshot 1"";
3. Shutdown the machine and restore to ""Snapshot 1"";
4. Boot the guest VM from ""Snapshot 1"" (directly into the Windows desktop);
5. Reboot/Reset the guest VM;
6. The VM resets, and shows a brief Windows Vista-style loading progress bar, and the VirtualBox (on host machine) freezes before crashing.

Notes:

- I have tried Windows 7 and Windows 10 guests (as decribed above), both are reproducible.
- If Guest Addition is not installed / uninstalled, the bug does not occur.
- If guest VM is cold booted (e.g. after step 4, instead of resetting/rebooting it, just shutdown and boot it), the bug does not occur.

Side note (may not relate to this bug):

After VB freezes/crashes, the RAM for guest VM is simply ""taken away"" from the host and cannot be recovered without a reboot of the host -- My host has 32 GB RAM, and each time a guest with 4 GB RAM crashes, there are 4 GB of RAM taken away from the host. After 7 crashes, 28 GB RAM are taken away from the host. I tried to shutdown Xorg server and there are only a few running processes left (none of them are VirtualBox), the host system still reports there are ~30 GB RAM used (top, htop, free... not cache/buffer, just ""used""). I have to reboot the host system to recover the RAM.",wzyboy
19507,Shared folders in Guest OS (Windows 10) also occupy unused drive letters,VirtualBox 6.1.6,Windows,2020-04-17T17:11:36Z,2020-04-17T17:11:36Z,2020-04-17T17:11:36Z,"Drive letters are occupied even if they are not assigned in Windows 20 Guest OS! The Shared Folder are correctly connected to the designated drive letters in the Guest OS. Unfortunately, the other drive letters are also occupied. This leads for example to problems with other NAS SHARES that should be connected to drive letters. (Letters are occupied!!). 
The problem does not exist in the same environment with Virtualbox 5.2.40.

Shared Folder - Host OS Windows 10 (Build 1909) - Guest OS Windows 10 (Build 1909).  ",RonaldMcDonald
19509,Windows 10 VM crashes after copy/paste text coming from Ubuntu 18.04 browser window,VirtualBox 6.1.6,Windows,2020-04-17T19:08:54Z,2020-06-03T22:59:02Z,2020-06-03T22:59:02Z,"It happened twice: I copied some text in a browser and intended to paste it in a Windows application. The whole VM disappeared and the VBox Manager indicated  ""Aborted"" (or similar). It might be Vbox, it might also be the Guest Additions, I can't tell.",D.Bugger
19529,[feature-request] Making linux setup of shared folder more user-friendly,VirtualBox 6.1.6,Linux,2020-04-26T08:14:30Z,2020-04-27T11:03:18Z,2020-04-27T11:03:18Z,"To use VB shared folders, the user in the guest Linux OS needs to be a member of the vboxsf group.

This makes configuration cumbersome, especially for not too tech savvy people who use VB to discover Linux.

It would be much easier if the VBoxLinux.run script would offer to add the current user to that group (thanks to the SUDO_USER environment variable) and hint that a logout/login cycle is needed for it to take effect.",YannSalmon
19545,"Regression related to shared folders, npm install",VirtualBox 6.1.6,Linux,2020-05-01T04:53:28Z,2020-10-05T09:04:34Z,2020-10-05T09:04:34Z,"After upgrading from 5.x to 6.x, I get the following error related to a shared filesystem when running npm install:

npm ERR! enoent ENOENT: no such file or directory, open '/home/kyle/share/devel/test/node_modules/argparse/node_modules/sprintf-js/package.json.226652263'
npm ERR! enoent This is related to npm not being able to find a file.

Steps to reproduce:

On the linux guest, in a shared folder:
  mkdir test
  cd test
  npm init -y
  npm install grunt --save-dev

On 5.x VB, I would see an error like this when I did not have guest symlinks properly enabled so I think it might be related to a problem with symlinks.  But I can create symlinks in 6.x from within the guest manually and they seem to work, at least from the command line.

I revert to VB 5.x and the problem goes away.  Unfortunately VB 5.x doesn't work on MacOS Catalina so trying to get this working under 6.x now.
",keb
19594,Mouse behaves badly with two screens Guest Additions 6.1.8,VirtualBox 6.1.8,Linux,2020-05-17T17:28:43Z,2020-06-11T15:04:39Z,2020-06-11T15:04:39Z,"My configuration is 
Host: Debian Stretch
Guests: Debian Buster (two screens), Debian Buster (one screen), Ubuntu Focal Fossa Server
Desktop: Gnome classic on host and guests (including Ubuntu server)

When I upgraded from 6.1.6 to 6.1.8 (including an upgrade of the guest additions) the mouse did not behave correctly on the guests with two screens and the secondary screen stays black even though the window for the second screen opens. When I move the mouse over a widget and click, it sometimes does nothing and sometimes activates a different window. Downgrading to VBox 6.0 and installing the 6.0 guest additions fixed the problem.

I recall having a similar or perhaps exactly the same problem with my two screen guests in an earlier upgrade of VBox (I don't remember the versions involved). I think there was a bug report in that previous case as well.",linux_user_1
19614,Enabling Page Fusion cause Windows 10 guests to hang random time after booting,VirtualBox 6.1.8,Windows,2020-05-23T00:41:37Z,2020-05-23T00:41:37Z,2020-05-23T00:41:37Z,"I first posted in the [https://forums.virtualbox.org/viewtopic.php?f=2&t=98123&sid=51fc9f959284400beaac6aadba19f088 forums] and didn't get much direction.

Sometime after upgrading to 6.1.x (don't remember the exact version - .2 or .3 or maybe .4 I think) my Windows 10 guests would randomly freeze shortly after booting.  I built a new from DVD/ISO Windows 10 1909 VM and it didn't/wouldn't freeze.  In comparing the output of ""VBoxManage showvminfo"" I noticed that I had different settings for [https://www.virtualbox.org/manual/UserManual.html#guestadd-balloon Memory Balloning] and [https://www.virtualbox.org/manual/UserManual.html#guestadd-pagefusion Page Fusion].

The freezing behavior didn't change with adjustments to the memory balloning settings, but did for page fusion.  If page fusion was enabled on the ""old"" Windows or the ""new"" Windows guest they would freeze.  Disabling page fusion on the guests and they wouldn't freeze.  I could repeat this Page Fusion '''Enabled''' = Freeze, Page Fusion '''Disabled''' = No Freeze.

The guest additions version of the guest matched the host (6.1.8) when I did the final set of testing.

VirtualBox: 6.1.8 with guest additions[[BR]]
Host: Linux Mint 18.3 Cinnamon 64-bit[[BR]]
Kernel: 4.15.0.n[[BR]]
Memory: 48GB (was 16GB when I initially set up memory balloning and page fusion back in 5.2 days)[[BR]]



",DerekD
19627,Gnome Terminal does not open on Linux guest after installing 6.1.8 GA,VirtualBox 6.1.8,Linux,2020-05-28T09:21:16Z,2020-05-28T09:32:48Z,2020-05-28T09:32:48Z,"This seems to be related to the other x.11 issues reported with 6.1.8.

If I uninstall GA, I can open a gnome-terminal just fine.

However once I install GA, the terminal fails to launch (the mouse pointer turns to animated wait icon but ultimately no terminal window is opened).

I'm running Windows Host on Windows 10, Centos 8 (up-to-date) guest.

My Centos installation has both Wayland and xorg X.11 display servers installed for some reason (not sure if that's standard on Centos) but it's possible to select which one to use at logon.

When selecting Wayland I get the ""Parent seems to be non-X.11"" error message popup, but that error doesn't come up when I select the xorg server, so that's just the x.11 detection that's new in this release.

The problem is that gnome-terminal doesn't launch at all regardless of which x.11 server I select.

If I connect to the Linux guest from a Windows ssh client, that's fine, but running gnome-terminal from that bash shell doesn't work. Other x.11 programs (eg firefox) work fine from both the guest desktop and a remote ssh shell.

This should be easy to replicate.

Let me know if I can help diagnose further.
",qdev
19655,Linux guest crashes if VboxAdditions are installed,VirtualBox 6.1.10,Linux,2020-06-11T03:46:53Z,2020-06-15T07:31:06Z,2020-06-15T07:31:06Z,"Installing guest additions on LinuxMint 19.3 and Debian 10 results in a crash on startup of the VM.
The vboxadd.service will not start.
If the guest additions are removed the guest starts successfully.",S.Pendl
19664,Guest Additions prevent Lubuntu desktop from starting,VirtualBox 6.1.10,Linux,2020-06-14T18:23:45Z,2020-08-04T10:21:05Z,2020-08-04T10:21:05Z,"The guest is a 32 bit Lubuntu 18.04 Linux machine. The host is a 64 bit Ubuntu 18.04 Linux machine.

The guest works great as long as I do not install Guest Additions. After installing Guest Additions, I get the login / greeter screen, but after logging in, the desktop does not start.

To test this, I created the virtual machine and restarted it many times, logging in successfully. After one of these logins, I took a snapshot and installed Guest Additions. After that and a restart, the desktop did not start.

To confirm that the snapshot was not the problem, I restored the snapshot and did not install Guest Additions. I was able to restart and have the desktop start.

I would be happy to provide additional information but I do not know what would be helpful.",Organic_Marble
19753,Guest Additions 6.1.12 don't support screen autosizing anymore on Windows 7 guests,,Windows,2020-07-22T19:30:08Z,2020-07-30T19:13:09Z,2020-07-30T19:13:09Z,"After upgrading VirtualBox to version 6.1.12, I upgraded '''Guest Additions''' (GA) on my virtual machines (VMs), all Windows 10 guests except one, which is Windows 7. I use screen autosizing to get full-screen display on all my VMs.

The upgrade worked properly for all Windows 10 VMs. However, after upgrading GA to version 6.1.12 on the Windows 7 guest, I ran into repeated blue screens. After changing the graphics driver to VBoxSVGA, I could properly start the VM again, but I couldn't get the screen to autosize anymore.

Actually, the behaviour I observed looks like GA are not working at all anymore on Windows 7 guests.

The only way I could get back this feature (and GA to work properly) was to rollback GA to version 6.1.10.

Bottom line: This looks like a '''compatibility issue between Guest Additions 6.1.12 and Windows 7 hosts'''.",jfmorin
19771,Windows 7 Guest Goes BSOD upon rebooting after install of Guest Additions for 6.1.12,VirtualBox 6.1.10,Windows,2020-07-27T04:46:05Z,2020-07-27T04:46:05Z,2020-07-27T04:46:05Z,"Windows 7 Client runs fine under version 6.1.10,  I performed the upgrade to 6.1.12.  After rebooting I installed the guest additions and rebooted as requested.  I could no longer successfully reboot.  I could reboot into safe mode only.  I kept getting the BSOD message.  I rolled back to version 6.1.10 and everything is working again.",Yogi2
19778,Guest additions screen resize detection code fails,VirtualBox 6.1.8,Linux,2020-07-29T16:04:52Z,2020-09-07T22:29:10Z,2020-09-07T22:29:10Z,"Although I have now upgraded to 6.1.12 for Virtualbox itself and the extensions, I am maintaining the VMs at guest additions 6.1.6 because 6.1.8 introduced an error where the screen resize instruction fails (on Linux machines) when using the 3D facility, e.g. Cinnamon. Making it impossible to run them headless and the issue has been carried over into 6.1.10 & 6.1.12 too. A Debian/Cinnamon VM actually reports the failure to the user.
",Sysop
19780,Issue with guest additions on Windows 10 vm,VirtualBox 6.1.10,Windows,2020-07-30T09:45:15Z,2020-07-30T09:45:15Z,2020-07-30T09:45:15Z,"I got an issue with full screen (impossible to get) and with the graphics, almost impossible to use like that, transparent window, strange layout, window who doesnt appear, everything is up to date (windows iso, vb, guest additions, extention vb)",toolhelp
19785,machine is restarted but with the last working snapshoot,VirtualBox 5.2.42,Windows,2020-07-31T06:00:51Z,2020-07-31T06:00:51Z,2020-07-31T06:00:51Z,"Gent.mi,

ho avuto un problema con una macchina virtuale Windows 7 64bit con host Imac, in pratica ha smesso di funzionare non si avviava più l'errore riportava alla disabilitazione della scheda di rete.

Al riavvio la macchina è ripartita ma con l'ultimo snapshoot funzionante del 2016, ho perso 4 anni di lavoro sul desktop, c'è un modo per recuperare i dati.

In attesa di un vostro cortese riscontro saluto cordialmente.

Federico Ales

----------------

Hi

I have a problem with a Windows 7 64bit virtual machine with Imac host, in practice it stopped working it did not start anymore the error reported disabling the network card.

At restart the machine is restarted but with the last working snapshoot of 2016, I lost 4 years of work on the desktop, there is a way to recover the data.

Looking forward to your kind reply.

Best Regards

Federico Ales ",Fred74
19818,Use portable sched_yield() rather than pthread_yield(),VirtualBox 6.1.10,Linux,2020-08-17T18:56:10Z,2020-08-20T18:20:12Z,2020-08-20T18:20:12Z,"The sched_yield() call is the standard and portable routine.  Current calls to pthread_yield() in Virtualbox sources (host and guests) should be replaced by calls to sched_yield().  If sched_yield() is not available on a platform, then the build tools (including those for the Guest Additions) could arrange to use a shim routine that calls pthread_yield().  

This would be helpful in supporting platforms that do provide support for non-portable libraries and routines.",Harry M
19875,Upgrading Guest Additions on NT4/W2000 can't overwrite VBoxService.exe,VirtualBox 6.1.14,Windows,2020-09-09T21:58:32Z,2020-11-21T17:22:26Z,2020-11-21T17:22:26Z,"Host can be anything (though tested only on macOS 10.13 and Windows 10).

Guest: Windows 2000 and Windows NT4 only (no problems on anything newer).

Upgrading the guest additions will always halt with:
Error opening file for writing:
C:\WINNT\system32\VBoxService.exe

Selecting ""Ignore"" will bypass the installation of that file. GA appears to work fine afterwards but is probably still running an older version of that file. Uninstalling GA completely, rebooting and then reinstall GA is how I'm currently getting around this.

This appears to have started from 6.1.x onwards.

",DavidVivaDJ
19920,/bin/ls: reading directory : Protocol error for asian fonts,VirtualBox 6.1.14,Linux,2020-09-26T09:37:26Z,2020-09-26T09:37:26Z,2020-09-26T09:37:26Z,"On my Windows 10 host I am not able to 'ls' a directory with these Asian characters: 

HID_Miniport_Device_￿࿘낖彴.hid

These characters appear in the ProtableApps version of Mixxx.
This is my error message.

neo:~/PortableApps/MixxxPortable/Data/MixxxSettings$ ls controller
/bin/ls: reading directory 'controller': Protocol error

After I delete such files 'ls' works well again.",Frank Breitling
19960,Screen distorted Windows7 guest on Kubuntu 18.04 host,VirtualBox 6.1.14,Windows,2020-10-12T04:10:31Z,2020-10-12T04:10:31Z,2020-10-12T04:10:31Z,"After upgrading to 6.1.12 found guest display distorted. Had to downgrade back to 6.1.10.
However, have now also found the same problem in 6.1.14 and 6.1.15.  --> see attached screenshots.
This is on Lenovo T430s running Kubuntu 18.04 as the host.
Guest: Windows7 Home Premium

The interesting thing is even after downgrading back to 6.1.10 the problem still appeared until Extension pack 6.1.10 was re-installed. - During installation screen flickered and reverted back to normal operation.",KarlS
20061,"""Permission denied"" error at linux-guest on Windows10-host when execute a file on a shared folders immediately after creation or 'chmod +x'",VirtualBox 6.1.14,Linux,2020-11-24T10:45:10Z,2020-11-24T10:45:10Z,2020-11-24T10:45:10Z,"
Following script reproduces the error on my virtual linux-machine when working on a share folder (in my case the '/vagrant'):

Script:


{{{

set -x

# switch to shared folder
cd /vagrant/ || exit 1

# create simple script
echo ""echo 'Hello World'"">PrintHelloWorld.sh
cat PrintHelloWorld.sh || exit 1
ls -l PrintHelloWorld.sh || exit 1

echo ""start failing tests...""
touch PrintHelloWorld.sh
./PrintHelloWorld.sh

chmod +x PrintHelloWorld.sh
./PrintHelloWorld.sh

chmod +r PrintHelloWorld.sh
./PrintHelloWorld.sh
}}}


Output:


{{{
++ cd /vagrant/
++ echo 'echo '\''Hello World'\'''
++ cat PrintHelloWorld.sh
echo 'Hello World'
++ ls -l PrintHelloWorld.sh
-rwxrwxrwx 1 vagrant vagrant 19 Nov 24  2020 PrintHelloWorld.sh
++ echo 'start failing tests...'
start failing tests...
++ touch PrintHelloWorld.sh
++ ./PrintHelloWorld.sh
/vagrant/RunCommands.sh: line 14: ./PrintHelloWorld.sh: Permission denied
++ chmod +x PrintHelloWorld.sh
++ ./PrintHelloWorld.sh
/vagrant/RunCommands.sh: line 17: ./PrintHelloWorld.sh: Permission denied
++ chmod +r PrintHelloWorld.sh
++ ./PrintHelloWorld.sh
/vagrant/RunCommands.sh: line 20: ./PrintHelloWorld.sh: Permission denied
}}}


The second part of the script shows some 'workarounds' to the problem:


{{{
echo ""start successful tests...""
touch PrintHelloWorld.sh
sleep 1
./PrintHelloWorld.sh

touch PrintHelloWorld.sh
cat PrintHelloWorld.sh
./PrintHelloWorld.sh

echo ""echo 'Hello World'"">PrintHelloWorld2.sh
./PrintHelloWorld2.sh

echo ""cleanup...""
rm PrintHelloWorld.sh
rm PrintHelloWorld2.sh

}}}


and creates following output:


{{{
++ echo 'start successful tests...'
start successful tests...
++ touch PrintHelloWorld.sh
++ sleep 1
++ ./PrintHelloWorld.sh
Hello World
++ touch PrintHelloWorld.sh
++ cat PrintHelloWorld.sh
echo 'Hello World'
++ ./PrintHelloWorld.sh
Hello World
++ echo 'echo '\''Hello World'\'''
++ ./PrintHelloWorld2.sh
Hello World
++ echo cleanup...
cleanup...
++ rm PrintHelloWorld.sh
++ rm PrintHelloWorld2.sh
}}}

The complete repro-environment including script and logs are attached.



",progger98
20102,Unable to compile Guest Additions on Linux Kernel 5.4.80.,VirtualBox 6.1.16,Linux,2020-12-26T22:21:43Z,2021-01-22T15:47:46Z,2021-01-22T15:47:46Z,"I am trying to install the guest additions for Linux, and I'm encountering a problem. I have Gentoo Linux with the 5.4.80 kernel, and I get MANY missing symbols. They are:

{{{
ERROR: ""ttm_bo_eviction_valuable"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_tt_fini"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_put"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_move_to_lru_tail"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_validate"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_init"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_add_to_lru"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_kmap"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_tt_init"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_dma_acc_size"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_init_mm"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_device_init"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_del_sub_from_lru"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_kunmap"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_device_release"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_manager_func"" [/tmp/vbox.0/vboxvideo.ko] undefined!
ERROR: ""ttm_bo_mmap"" [/tmp/vbox.0/vboxvideo.ko] undefined! 
}}}

Notice that all are in the vboxvideo.ko module.

Any tips are most appreciated.
",TheStudent
20124,Unable to add Guest Addition in macOS Big Sur 11.1,VirtualBox 6.1.16,other,2021-01-12T09:45:29Z,2021-01-12T09:45:29Z,2021-01-12T09:45:29Z,"Host - Windows 10 20H2
Guest - macOS Big Sur 11.1

Unable to add Guest Addition. After double-clicking VBoxDarwinAdditions.pkg installer fails with the message - The installation failed. The installation encountered an error that caused the installation to fail. Contact the software manufacturer for assistance.",hrk
20139,stealing focus while installing extension pack,VirtualBox 6.1.16,other,2021-01-20T09:39:22Z,2021-01-20T09:39:22Z,2021-01-20T09:39:22Z,"When installing new version of VirtualBox and updating Extension Pack, then appropriate dialog will appear. After accepting licence conditions, password input dialog will appear and AFTER that also another dialog box with big yellow star, that is telling about current process: title is ""Extensions: installing extension..."" and content is also ""Installing extension pack..."". That lastly appeared dialog with big yellow star will steal the focus from password input dialog and additional password field dialog window activation is required to proceed. It makes quite often additional hassle and is quite disturbing. Don't see any benefit to show that additional window.",Edmund Laugasson
20154,Segmentation fault when running 5.10.x kernel as guest,VirtualBox 6.1.18,Linux,2021-01-25T14:22:00Z,2021-04-30T15:42:33Z,2021-04-30T15:42:33Z,"Running an up to date Ubuntu 20.04 as a guest upgraded to use the 5.10.9 Linux kernel using the instructions contained here as a guide.

Installed  VBoxGuestAdditions-6.1.18 which installed successfully.

Rebooted. Reboot fails  with segmentation fault.

",Alex Kempshall
20167,Mouse pointer in MS Office is not working correctly.,VirtualBox 6.1.18,Windows,2021-02-01T03:36:59Z,2021-09-18T02:53:27Z,2021-09-18T02:53:27Z,"Microsoft uses special mouse pointers in MS Office (Excel, Word, Access). These mouse pointers don't work since VirtualBox 6.1.x. It has worked in VB 5.2 and maybe in 6.0 (not sure).
I assume it is a problem of the guest additions for Windows.
I am using Windows 10 on the host and Windows XP with Office 2003 in the VB guest with a scale factor of 1.2.",PeterE
20168,Linux guest / Mac host - uid option stopped working,VirtualBox 6.1.18,Linux,2021-02-02T17:35:41Z,2021-02-02T17:35:41Z,2021-02-02T17:35:41Z,"MacOS Catalina host, OpenSUSE Tumbleweed guest.

With Virtualbox 6.1.14, manually mounting a shared folder worked correctly with the ""uid"" option (owner of directories and files being set to the specified user).

After upgrading VBox, this parameter stopped working - mounted data is now owned by root.
Latest test done with VBox 6.1.18 host and 6.1.18 guest tools.

{{{
> sudo mount -t vboxsf -o uid=$UID,gid=100 macroot ~/files/macroot
> ls -ld /home/rich/files/macroot/Users/
drwxr-xr-x 1 root root 192 sep 22 00:27 /home/rich/files/macroot/Users/
}}}

This was discussed in SUSE bug https://bugzilla.suse.com/show_bug.cgi?id=1180761, with a working fix for Linux host in place - but apparently not working as expected on a Mac host.",Richlv
20232,Cannot exec files on vboxsf on newer kernels,VirtualBox 6.1.18,Linux,2021-03-04T00:22:23Z,2021-04-30T13:45:08Z,2021-04-30T13:45:08Z,"Reference: https://www.spinics.net/lists/reiserfs-devel/msg06411.html
Patch was introduced on https://lkml.org/lkml/2020/8/17/174 

Trying to execute a shell script from a shared mount fails on newer kernels (i.e. debian testing 5.10) with the error:

""kernel read not supported for file /test-exec""

Older kernels (i.e. 4.19 from stable) work. 

This suggests vboxsf needs patches for the new APIs.

",jisakielkiel
20272,Windows 10 guest freezes randomly on Windows 10 host when accessing files on shared folders,VirtualBox 6.1.18,Windows,2021-03-24T12:53:05Z,2021-03-24T12:53:05Z,2021-03-24T12:53:05Z,"Weeks ago, after updating from 6.1.12 to 6.1.16 my VM started freezing when I accessed files from a shared host folder. It mostly happens when I trie to browse the shared folder from an application's open file dialog. Reverting back to 6.1.12 did not resolve the issue. This started to happened more frequently, so that I finally could no longer work with that VM and had to recover an older state from a backup. 
Now that some weeks have passed, the issues start again. I upgraded to 6.1.18 without success. Note that I already had issues with shared folders (e.g. can't start executables because they don't exist, copying several files will only copy some files etc) 
But now the issue completly freezes the client each time with increasing frequency.
",bartislartfass
20298,VBox Additions on Linux = Blackscreen after Boot,VirtualBox 6.1.18,Linux,2021-04-10T20:06:08Z,2021-04-10T20:06:08Z,2021-04-10T20:06:08Z,"I have a problem with VirtualBox on Windows 10 Professional 20H2. I want to run XFCE, KDE and other desktops on VirtualBox, but when I install the additions and I reboot, i just get a blackscreen. I can't provide logs from Linux (because the blackscreen happens), and in the VirtualBox logs is nothing special.",JeremyStarTM
20308,vboxsf module (GA 6.0.24) fails to compile on latest ubuntu-16.04 kernel,VirtualBox 6.0.22,Linux,2021-04-20T17:48:10Z,2021-04-20T18:32:33Z,2021-04-20T18:32:33Z,"Attempting to build the vboxsf module for Guest Additions 6.0.24 fails on the latest ubuntu-16.04 kernel (`4.4.0-209-generic #241`).
{{{
vagrant@ubuntu-16:~$ uname -a
Linux ubuntu-16 4.4.0-209-generic #241-Ubuntu SMP Tue Apr 13 01:06:06 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
}}}

Snipped output from attempting to build the module manually with `build_in_tmp` (full log attached):
{{{
=== Building 'vboxsf' module ===
make[1]: Entering directory '/tmp/vbox.0/vboxsf'
make V= CONFIG_MODULE_SIG= CONFIG_MODULE_SIG_ALL= -C /lib/modules/4.4.0-209-generic/build M=/tmp/vbox.0/vboxsf SRCROOT=/tmp/vbox.0/vboxsf -j2 modules
make[2]: Entering directory '/tmp/vbox.0/vboxsf'
make[2]: warning: -jN forced in submake: disabling jobserver mode.
  CC [M]  /tmp/vbox.0/vboxsf/vfsmod.o
  CC [M]  /tmp/vbox.0/vboxsf/dirops.o
  CC [M]  /tmp/vbox.0/vboxsf/lnkops.o
  CC [M]  /tmp/vbox.0/vboxsf/regops.o
  CC [M]  /tmp/vbox.0/vboxsf/utils.o
/tmp/vbox.0/vboxsf/utils.c: In function 'vbsf_inode_setattr':
/tmp/vbox.0/vboxsf/utils.c:812:10: error: implicit declaration of function 'inode_change_ok' [-Werror=implicit-function-declaration]
     rc = inode_change_ok(pInode, iattr);
          ^
cc1: some warnings being treated as errors
scripts/Makefile.build:288: recipe for target '/tmp/vbox.0/vboxsf/utils.o' failed
make[3]: *** [/tmp/vbox.0/vboxsf/utils.o] Error 1
make[3]: *** Waiting for unfinished jobs....
Makefile:1472: recipe for target '_module_/tmp/vbox.0/vboxsf' failed
make[2]: *** [_module_/tmp/vbox.0/vboxsf] Error 2
make[2]: Leaving directory '/usr/src/linux-headers-4.4.0-209-generic'
/tmp/vbox.0/vboxsf/Makefile-footer.gmk:117: recipe for target 'vboxsf' failed
make[1]: *** [vboxsf] Error 2
make[1]: Leaving directory '/tmp/vbox.0/vboxsf'
Makefile:48: recipe for target 'vboxsf' failed
make: *** [vboxsf] Error 1
}}}

It looks like a recent kernel update (https://ubuntu.com/security/notices/USN-4916-1) involving some CVE fixes also backported the migration from `inode_change_ok` to `setattr_prepare`.
That migration has previously broken Guest Addition compilation at least a couple times for other distros (https://www.virtualbox.org/ticket/17299, https://www.virtualbox.org/ticket/18697).
There are some existing IFDEFs in `VBox/Additions/linux/sharedfolders/utils.c` related to those previous issues:
{{{
#if (RTLNX_VER_RANGE(3,16,39,  3,17,0)) || RTLNX_VER_MIN(4,9,0) || (RTLNX_VER_RANGE(4,1,37,  4,2,0))
# if RTLNX_VER_MIN(5,12,0)
    rc = setattr_prepare(ns, dentry, iattr);
# else
    rc = setattr_prepare(dentry, iattr);
# endif
#else
    rc = inode_change_ok(pInode, iattr);
#endif
}}}
but they don't cover this case yet since it's a 4.4.0 series kernel.
",jonahbull
20378,Virtualbox Extension makes Windows Startmenue unusable,VirtualBox 6.1.22,Windows,2021-05-25T09:46:30Z,2021-05-25T09:46:30Z,2021-05-25T09:46:30Z,When I install the Guest Additions the Windows Start Menue stopps working correct,Temaktor
20500,V6.1.26 with Windows 10 2019 LTSC as guest,VirtualBox 6.1.26,Windows,2021-08-12T09:23:54Z,2021-08-12T09:45:13Z,2021-08-12T09:45:13Z,"With last version 6.1.26 ""Auto-resize Guest Display"" doesn't work anymore.",-RedHead-
20505,Wrong System Time in OS/2 Guest,VirtualBox 6.1.24,other,2021-08-18T16:23:17Z,2021-08-18T16:23:17Z,2021-08-18T16:23:17Z,"There is a problem with the ""Guest Additions TimeSync Service"" for OS/2 when using the long format for the TZ environment variable on the guest like

TZ=MET-1DST,3,-1,0,7200,10,-1,0,10800,3600

I've posted a detailed description to the forum, please see [https://forums.virtualbox.org/viewtopic.php?f=4&t=103491 this thread].

The problem seems to be an issue in the underlying libc, see the replies from user LewisR in the same thread and especially [https://github.com/bitwiseworks/libc/issues/109 here] and [https://github.com/bitwiseworks/libc/issues/109#issuecomment-882764025 there].

A workaround is to start vboxservice.exe with the ""Guest Additions TimeSync Service"" disabled.

Probably the Guest Additons for OS/2 should be liked against a fixed version of libc once it gets available.


Thank you,

Michael
",mipri
20529,VM crashes on copy text to clipboard,VirtualBox 6.1.26,Windows,2021-08-31T05:24:45Z,2021-09-28T11:19:56Z,2021-09-28T11:19:56Z,"VM crashes frequently on x64 Windows (Win7 & Win10) guest running on x64 Windows 10 host on copy text to clipboard
x86 guest never crashes.",Alex_Locarus
20543,macOS Guest Additions do not include mount.vboxsf,VirtualBox 6.1.26,OSX Server,2021-09-11T17:47:16Z,2021-09-13T10:47:16Z,2021-09-13T10:47:16Z,"When successfully installing the Darwin guest additions, the mount.vboxsf tool is not included, while there is a source tree available and seemingly being built.

Steps to reproduce:
- Disable all security on macOS Catalina guest
- Insert the Guest Additions ISO
- Install Guest Additions
- `mount -t vboxsf VboxShared /Users/Shared/Host` result in a File Not Found error because /Library/Filesystems/vboxsf.fs does not exist

I also checked the contents of the .pkg and as far as I can tell, it does not contain any tools for mounting file systems. The source tree on the other hand does contain some kind of implementation in src/Vbox/Additions/darwin/VboxSF, which I unfortunately can't seem to manage to build because the build system does not seem to be compatible with Xcode 12.

As for some context:
I am trying to set up a macOS Catalina build system to build Unreal Engine games on a Big Sur (and Windows) host. The VM should have a minimally sized main disk and should share the actual build tree with the host. I already have all this set up, using SMBFS to share the build tree and it is working ok, but network performance is only about 30MB/s, so builds take forever.

Therefore I am trying to mount shared folders in the macOS 10.15 Catalina guest in hopes they will give me better performance, somewhere in the range of the 400MB/s, the virtual disk in the VM provides. I already installed the guest additions successfully, but as far as I can see, they are missing the mount.vboxsf tool to actually mount the shared folders. I also tried to unpack the VboxDarwinAdditions.pkg, contained on the additions iso of multiple VirtualBox version, but the tool simply isn't there and is not being created. As per the source tree, there should be a tool available to mount the shared folders though, so I am guessing this is a bug in the build environment.
",HI_Paul
20590,Guest window size decreases on login (Linux),VirtualBox 6.1.26,Linux,2021-10-01T20:18:32Z,2021-10-04T19:23:20Z,2021-10-04T19:23:20Z,"I had one OpenSuSE 15.2 guest machine unexpectedly go back to a resolution of 1024X768 after rebooting and logging in. I was able to click and drag the window to increase the display size to fix the issue.

Things that didn't work were:
using the display settings within the OS to set a resolution
Using the View menu to set Auto-resize Guest Display and then use the View menu to set the display size for Virtual Screen 1.
In both cases the screen would resize as expected but, after a reboot and logging in again the screen size would jump back to 2014X768. When 3D acceleration was turned off I could see that the screen size was initially at the selected size before jumping back to 1025X763. With 3D acceleration turned on I cannot see the jump.

3D acceleration was initially turned off. Turning it on didn't change the symptoms.
Using VMSVGA ",Patrick Headley
20628,Windows: Guest Additions installation might fail due to missing certificate,VirtualBox 6.1.28,Windows,2021-10-24T01:27:33Z,2022-07-01T18:35:31Z,2022-07-01T18:35:31Z,"When I tried to install the Guest Additions on a Windows Server 2022 guest that couldn’t reach the Internet, the installation failed with the following messages in the ”Oracle VM VirtualBox Guest Additions 6.1.28 Setup” window:

{{{
Installing guest driver ...
Executing: ""C:\Program Files\Oracle\VirtualBox Guest Additions\VBoxDrvInst.exe"" dri...
Installing driver ...
INF-File: C:\Program Files\Oracle\VirtualBox Guest Additions\VBoxGuest.inf
(1) ENTER:  DriverPackageInstallW
(1) RETURN: DriverPackageInstallW  (0xE0000247)
ERROR: Adding driver to the driver store failed!!
Execution returned exit code:  2
Error excuting """"C:\Program Files\Oracle\VirtualBox Guest Additions\VBoxDrvInst.exe...
}}}

I found that the Oracle certificate that had been used to sign the Guest Additions device drivers, security catalog files, and so on, has a certification path for which the only trusted root certificate, in a new installation of Windows Server 2022, is a DigiCert Assured ID Root CA certificate signed by Microsoft. That root certificate expired on April 15, 2021, as described in this Microsoft document:

https://docs.microsoft.com/en-us/windows-hardware/drivers/install/deprecation-of-software-publisher-certificates-and-commercial-release-certificates

If the guest had been able to reach the Internet, I think the Automatic Root Certificates Update feature of Windows would have installed a better root certificate automatically. This guest had to remain offline, so I worked around the problem by installing an unexpired version of the DigiCert CA certificate into the Local Machine/Trusted Root Certification Authorities store, as I described in the forum:

https://forums.virtualbox.org/viewtopic.php?f=1&t=104204

The certificate I installed is:

https://cacerts.digicert.com/DigiCertAssuredIDRootCA.crt

After this, when I ran the Guest Additions installation again, it was successful.

For reference, I installed Windows Server 2022 from the following image, published on visualstudio.com: en-us_windows_server_version_2022_updated_october_2021_x64_dvd_b6e25591.iso

If it’s not feasible to fix this problem by signing the Guest Additions using a certificate for which a trusted, unexpired root certificate exists by default in all Windows installations, then I’d suggest including a copy of the DigiCert certificate with the Guest Additions and prompting the user to install it, if needed.

This shouldn’t be done silently, by the way: I’ve used VirtualBox to investigate other certificate-related problems like this one, and having any non-default certificate appear on its own would be unfortunate.",w16r
20673,Machine hang,VirtualBox 6.1.28,Windows,2021-11-17T16:23:43Z,2022-01-20T01:04:01Z,2022-01-20T01:04:01Z,"I have Windows 11 host and VirtualBox 6.1.28. After install Guest Additions in Windows NT 4.0 Server, the machine go to Guru Meditation.

Please resolve my problem. I was attached log files and the screenshoot.",19Barto89
20697,Guest Additions 6.1.28 and 6.1.30 cannot install Windows Server 2012 R2,VirtualBox 6.1.30,Windows,2021-11-28T07:19:38Z,2021-12-13T21:26:41Z,2021-12-13T21:26:41Z,"I've been running Windows Server 2012 R2, along with Windows 7, Windows Server 2016 and Windows Server 2019 guest virtual machines, on my  VirtualBox host, for several months now. 

Up until Guest Additions 6.1.26 (on VirtualBox 6.1.26) there was no serious problems installing those older Guest Additions from the applicable mounted *.ISO files, onto any of those aforementioned operating systems.

However as of Guest Additions 6.1.28 (on VirtualBox 6.1.28) and also now Guest Additions 6.1.30 (on VirtualBox 6.1.30), I am constantly getting an error which prevents Guest Additions to properly install on Windows Server 2012. The error is as follows (FYI I am only showing error for latest Guest Additions version):

-----------------------------------------------
Stopped logging into separate file
Output folder: C:\Program Files\Oracle\VirtualBox Guest Additions
Version: 6.1.30 (Rev 148432)
Previous version: 6.1.26 (Rev 145957)
Detected OS: Windows 8_1 (64-bit)
System Directory: C:\Windows\system32
Checking for installation requirements for Vista / Windows 7 / Windows 8 ...
Output folder: C:\Program Files\Oracle\VirtualBox Guest Additions
Extract: DIFxAPI.dll... 100%
Extract: VBoxDrvInst.exe... 100%
Extract: VBoxVideo.inf... 100%
Extract: VBoxVideo.cat... 100%
Extract: iexplore.ico... 100%
Output folder: C:\Program Files\Oracle\VirtualBox Guest Additions
Stopping VBoxService ...
Stopping VBoxService via SCM ...
Stopping VBoxService done
Stopping VBoxTray ...
Stopping VBoxTray done
Output folder: C:\Program Files\Oracle\VirtualBox Guest Additions
Extract: VBoxVideo.sys... 100%
Extract: vboxdisp.dll... 100%
Extract: VBoxMouse.sys... 100%
Extract: VBoxMouse.inf... 100%
Extract: vboxmouse.cat... 100%
Extract: VBoxGuest.sys... 100%
Extract: VBoxGuest.inf... 100%
Extract: vboxguest.cat... 100%
Extract: VBoxTray.exe... 100%
Extract: VBoxControl.exe... 100%
Extract: VBoxWHQLFake.exe... 100%
Output folder: C:\Windows\system32
Extract: VBoxService.exe... 100%
Output folder: C:\Program Files\Oracle\VirtualBox Guest Additions
Extract: vboxwddm.cat... 100%
Extract: VBoxWddm.sys... 100%
Extract: VBoxWddm.inf... 100%
Extract: vboxdispd3d.dll... 100%
Extract: vboxnine.dll... 100%
Extract: vboxsvga.dll... 100%
Extract: vboxicd.dll... 100%
Extract: vboxgl.dll... 100%
Extract: vboxdispd3d-x86.dll... 100%
Extract: vboxnine-x86.dll... 100%
Extract: vboxsvga-x86.dll... 100%
Extract: vboxicd-x86.dll... 100%
Extract: vboxgl-x86.dll... 100%
Extract: C:\Windows\system32\drivers\VBoxSF.sys... 100%
Skipped: C:\Windows\system32\VBoxMRXNP.dll
Extract: C:\Program Files\Oracle\VirtualBox Guest Additions\nseCA4C.tmp... 100%
Rename on reboot: C:\Program Files\Oracle\VirtualBox Guest Additions\nseCA4C.tmp->C:\Windows\system32\VBoxMRXNP.dll
Extract: C:\Windows\SysWOW64\VBoxMRXNP.dll... 100%
Extract: C:\Windows\system32\VBoxHook.dll... 100%
Installing drivers ...
Output folder: C:\Program Files\Oracle\VirtualBox Guest Additions
Installing guest driver ...
Executing: ""C:\Program Files\Oracle\VirtualBox Guest Additions\VBoxDrvInst.exe"" driver install ""C:\Program Files\Oracle\VirtualBox Guest Additions\VBoxGuest.inf"" ""C:\Program Files\Oracle\VirtualBox Guest Additions\install_drivers.log""
Installing driver ...
INF-File: C:\Program Files\Oracle\VirtualBox Guest Additions\VBoxGuest.inf
(1) ENTER:  DriverPackageInstallW
(1) RETURN: DriverPackageInstallW  (0xE0000244)
ERROR (e0000244): Unknown error!

Execution returned exit code: 2
Error excuting """"C:\Program Files\Oracle\VirtualBox Guest Additions\VBoxDrvInst.exe"" driver install ""C:\Program Files\Oracle\VirtualBox Guest Additions\VBoxGuest.inf"" ""C:\Program Files\Oracle\VirtualBox Guest Additions\install_drivers.log"""" (exit code: 2) -- aborting installation
Error excuting """"C:\Program Files\Oracle\VirtualBox Guest Additions\VBoxDrvInst.exe"" driver install ""C:\Program Files\Oracle\VirtualBox Guest Additions\VBoxGuest.inf"" ""C:\Program Files\Oracle\VirtualBox Guest Additions\install_drivers.log"""" (exit code: 2) -- aborting installation
-----------------------------------------------

When I then click on the [Cancel] button, an error popup appears as per the attached file ""VBox Guest Additions (6.1.30) - Pop Up Screen (20211128).jpg"". According to that popup there should be a log file named ""install_ui.log"" in the directory shown. However no such log file is written to the drive. I searched the entire guest operating system drive to be sure it was not written to some other location but no such file exists.

I am including ""VBox Guest (6.1.30) - Operating System Version (20211128).jpg"" to show the version of the VirtualBox Guest that I have the bug on.

Although I am showing only the latest 6.1.30 addition error, I was receiving a similar error for Guest Additions 6.1.28. 

I was hoping 6.1.30 Guest Additions would resolve the problem, but it did not.

I have gone to the trouble of installing a brand new VirtualBox Guest OS running Windows Server 2012 R2, and applying all Microsoft security & critical patches applicable to the operating system, before I then tested Guest Additions 6.1.30. Alas I got the same error.

Just to clarify: Guest Additions 6.1.28 and 6.1.30 installed perfectly on Windows 7, Windows 2016 and Windows 2019 without a problem. I am only experiencing the problem with Windows Server 2012 R2.

END",CuriousPaul
20702,"Execution of "".exe"" fails in shared folders, with Windows 10 or 11",VirtualBox 6.1.30,Windows,2021-12-01T14:42:25Z,2021-12-01T14:42:25Z,2021-12-01T14:42:25Z,"Host Windows 10. Guest Windows 10 or 11.
(Windows XP x32 and Windows 7 x64, work fine)

When an "".exe"" is run inside a shared folder, it gives the error ""The specified path does not exist"" depending on the number of characters in the path + the file name, and the text entered in ""Folder name"" (sharename).

Examples with mountpoint = ""X:"":

sharename = ""1"":
  OK    X:\1234567.exe

  NOK  X:\12345678.exe
sharename = ""12"":
  OK    X:\12345678.exe

  NOK  X:\123456789.exe
sharename = ""123"":
  OK    X:\123456789.exe

  NOK  X:\1234567890.exe
...
sharename = ""12345678"":
  OK    X:\12345678901234.exe

  NOK  X:\123456789012345.exe

Interestingly, the more characters sharename has, the more characters the "".exe"" file name allows.",FelixG
20704,VirtualBox Guest Additions 6.1.30 error during install,VirtualBox 6.1.30,Windows,2021-12-02T05:19:08Z,2022-02-21T22:16:51Z,2022-02-21T22:16:51Z,"Hello
I got an error during the install of the VirtualBox Guest Additions.
Host = Linux Mageia 64 bits
Guest = windows XP 32 bits
The error is:
2148081673 - Failed to calculate strong name from 'C:\Program Files\Oracle\VirtualBox Guest Additions\VBoxGuest.cat'. Check if catalog is valid and if file is in the same directory as the INF.

It occurs since the 6.1.28 release.
6.1.26 is ok

Attached is the install_drivers.log

",courgette
20716,Impossible to use VirtualBox Guest Addition on Linux Preempt RT Kernel,VirtualBox 6.1.30,Linux,2021-12-07T11:30:59Z,2021-12-07T11:30:59Z,2021-12-07T11:30:59Z,"I'm using Xubuntu 18.04 LTS as VM Guest (VirtualBox 6.1.28, I've tried with 6.1.30 also, Windows 10 Host).

If I'm using standard Linux kernels (4.x or 5.x), I'm able to install VirtualBox Guest Addition using the sudo ./autorun.sh command from the ISO mounted folder. No issue, working perfectly.

But If I'm using Linux Preempt RT Kernel, impossible to install VirtualBox Guest Addition. I've tried with Kernel 4.16.12-RT5, 5.14-RT19, 5.15.2-RT9. As a result, no shared folder, no mouse...
I've correctly compiled and installed linux-headers and linux-image corresponding to each Preempt RT kernel which are working correctly in standard PC.
The linux distribution is up to date using the sudo apt-get update, sudo apt-get upgrade, sudo apt-get dist-upgrade commands.
I've tried also to install virtualbox-dkms, dkms and virtualbox-guest-utils without any better result

It seems that the Virtualbox Guest Addition is not able to use to dedicated Preempt RT headers, even if they are set in linux kernel installation.

Please see the attached log for explanation.",oartigues
20770,Guest Additions: Drag and Drop Fails to Work / Register,VirtualBox 6.1.30,all,2022-01-12T17:13:20Z,2022-01-12T17:13:20Z,2022-01-12T17:13:20Z,"While the copy and paste works just as expected, I can not get drag and drop to work. I have re-installed (right before posting this) virtualbox 6.1.30 along with the appropriate 6.1.30 guest additions to double check.

To ensure I am not messing up installation, I have tried all different ways of installing the guest additions (GUI, terminal, etc).

To give you some visual, it shows a red circle with a slash through it when hovering the file over a virtualbox machine.

",metalfirefox
20816,Installing VirtualBox Guest Additions Causes All Mouse/Pointer Drivers to Experience a Code 52 Error,VirtualBox 6.1.32,all,2022-02-08T16:13:12Z,2022-02-08T16:13:12Z,2022-02-08T16:13:12Z,"After installing VirtualBox Guest Additions on both Windows 10 and Windows 11, the mouse/pointer immediately disappears from the screen (even before the reboot) and displays error code 52 in the device manager for all mouse/pointer drivers currently installed on the host. Currently, the only workaround to this is to disable device driver signature checks in Windows.",1Poseidon3
20827,VBox Guest Additions to prompt Linux users to install development modules,VirtualBox 6.1.32,Linux,2022-02-14T09:25:31Z,2022-02-14T09:25:31Z,2022-02-14T09:25:31Z,"Note : Below is not a bug, but a user experience enhancement.

'''Scenario :'''
- During Oracle Linux 8 (OL8) VM creation, only 'Server with GUI' selected in installation software selection
- Post OL installation, Insert guest addition image, which will in most cases automatically popup an installation 
- Installation fails with error 'Kernel headers not found' or 'Kernel driver not installed (rc=-1908)'

'''Available Solutions :''' 
It's already well documented in [https://www.virtualbox.org/manual/ch04.html#additions-linux-install ch04] and [https://www.virtualbox.org/manual/ch02.html#externalkernelmodules ch02] of Virtualbox manuals that : Required packages may include GNU compiler (GCC), GNU Make (make), Kernel header files. So incase of OL with UEK, running below and installing vbox extension works perfectly:
{{{
sudo dnf install kernel-uek-devel-$(uname -r)
}}} 


'''Practical Scenario :'''
For users (which may include non-technical users), after a successful Linux installation, generally vbox extensions is next step. The installation of extension fails with below characteristics
- The 'Kernel headers not found' is logged between other info logs and is not necessarily the final text in the console output.
- Many first time users, including tech folks, may not spot the error initially or may not understand them at all
- The log copy-paste function cannot be enabled until the extensions are installed successfully
Users may eventually get it working by searching amongst several other fixes around the web with same generic message, but let's say it does not do that out of the box. 

'''Sample solution :'''
I'll leave the solution part to the experts, but typically for a seamless installation, perhaps something like below should be fine?[[BR]]

If kernel headers not found, then vbox extension scripts (src/VBox/Additions/linux/installer/vboxadd.sh) can prompt users : [[BR]]
`Your system is not configured for building modules needed by vbox. You may run <$install_kernel_headers> as a super user. Alternately, if you would like vbox-extensions to do this for you, press 'y' now`.

where : $install_kernel_headers = 

* `IF (UEK) THEN $install_kernel_headers = dnf install kernel-uek-devel-$(uname -r)`
* `IF (Non-UEK/RHEL/Fedora) THEN $install_kernel_headers = dnf install kernel-devel-$(uname -r)`
* `IF (UBUNTU/DEBIAN) THEN $install_kernel_headers = apt install linux-headers-$(uname -r)`
* `IF (SUSE) Install kernel-source and kernel-syms?`

and so on.. 

I also understand making a standardized approach for all distros may not be possible. But if most major ones are handled that should make one last tiny step closer to a seamless experience.

'''Error log 1:'''

{{{
VirtualBox Guest Additions: Starting
VirtualBox Guest Additions: Building the VirtualBox Guest Additions kernel modules.  This may take a while.
VirtualBox Guest Additions: To build modules for other installed kernels, run
VirtualBox Guest Additions:  /sbin/rcvboxadd quicksetup <version>
VirtualBox Guest Additions: or
VirtualBox Guest Additions:  /sbin/rcvboxadd quicksetup all
VirtualBox Guest Additions: Kernel headers not found for target kernel
5.4.17-2136.302.7.2.el8uek.x86_64. Please install them and execute
  /sbin/rcvboxadd setup
ValueError: File context for /opt/VBoxGuestAdditions-6.1.32/other/mount.vboxsf already defined
modprobe vboxguest failed
The log file /var/log/vboxadd-setup.log may contain further information.
}}}


'''Error log 2: ''' Secure boot turned off. (The aspect of why official vbox modules are unsigned is not being highlighted here, since this also gets solved just by installing kernel-headers)

{{{
Kernel driver not installed (rc=-1908)
The VirtualBox Linux kernel driver is either not loaded or not set up correctly. Please try setting it up again by executing
'/sbin/vboxconfig'
as root.
If your system has EFI Secure Boot enabled you may also need to sign the kernel modules (vboxdrv, vboxnetflt, vboxnetadp, vboxpci) before you can load them. Please see your Linux system's documentation for more information.
where: suplibOsInit what: 3 VERR_VM_DRIVER_NOT_INSTALLED (-1908) - The support driver is not installed. On linux, open returned ENOENT.
}}}

",Rajeev Sreedharan
20828,Virtualbox test build 7 Gest addition didn't install for W11 Linux host,VirtualBox 6.1.32,Windows,2022-02-14T19:18:15Z,2022-03-30T16:37:06Z,2022-03-30T16:37:06Z,"It follows this tread : https://forums.virtualbox.org/viewtopic.php?f=2&t=105264&p=513634#p513634
I had to install 6.1.32's Guest Additions instead the one included in Virtualbox Version 6.1.97 r149824 (Qt5.15.2)
How to debug it ?",Alberto789
20848,Time-consuming Guest Addition installation on Windows XP Pro SP3 32-bit.,VirtualBox 6.1.32,other,2022-02-24T22:17:23Z,2022-02-24T22:17:23Z,2022-02-24T22:17:23Z,"Regards, sorry me for my bad english.
I opened a post in the forum about a problem with the Guest Addition installation on Windows XP Pro SP3 32-bit.
After a series of tests and comparisons with other users, they advised me to open a Bugtracker.
Using VirtualBox and Guest Addition version 6.1.32, when I try to install Guest Additions, I initially thought the installation would hang.
Speaking with other users we understood that the installation does not crash, but it takes a long time to complete.
I personally take about 15 minutes to finish it.
Searching the forum, I found another user who opened a post, where he writes that he too takes 15 minutes to install.
Another user writes that he takes 10 minutes to install.
It's not just me who has this problem.
To overcome this ""bug"", after many tests the only way to overcome it is:
Or start the Guest PC in safe mode;
Or disable the Network card;
Or wait 15 minutes;
Or at the end of the Guest PC installation, set up the optical reader, turn off the Guest PC, turn on the Guest PC and the Guest Addition installation is completed quickly.
I have tested many solutions and I am available to retest your suggestions.
Thank you.",ermete74
20855,Windows Vista Ultimate 64 Bit Guest Additions not working,VirtualBox 6.1.32,Windows,2022-03-05T13:20:20Z,2022-03-05T13:20:20Z,2022-03-05T13:20:20Z,I am using Windows Vista Ultimate 64 Bit and I wanted to install Guest Additions so I can use Windows Aero Theme but I get an error when installing Guest Additions.,Aremon
20856,Windows Vista Ultimate 64 Bit Guest Additions not working,VirtualBox 6.1.32,Windows,2022-03-05T13:24:59Z,2022-08-19T03:55:41Z,2022-08-19T03:55:41Z,"I am using Windows Vista Ultimate 64 Bit and I wanted to install Guest Additions so I can use Windows Aero Theme but I get an error when installing Guest Additions. The error says Error excuting (Yes spelled exactly like dat) C:\Program Files\Oracle\VirtualBox Guest Additions\VboxDrvInst.exe 
And I allowed whatever prompt I got.",Aremon
20857,Windows 10 21H2 - Menu Start Issue,VirtualBox 6.1.32,Windows,2022-03-05T13:56:45Z,2022-03-18T07:41:03Z,2022-03-18T07:41:03Z,"After installing the latest VM VBox Extension Pack version 6.1.32 and checking 3d acceleration (Screen -> Acceleration -> Mark enable 3d acceleration) on a guest system (windows 10 21H2) the windows 10 start menu is unusable. 
It becomes transparent, does not scale and crashes the whole system. 
After disabling 3D acceleration - everything works fine. 

The error remains regardless of the screen parameters i.e. Video memory, number of monitors etc.



",ReconX2
20867,Kernel modules not re-built on updating guest additions on Linux,VirtualBox 6.1.32,Linux,2022-03-14T15:49:43Z,2022-03-14T15:49:43Z,2022-03-14T15:49:43Z,"Calling ./VBoxLinuxAdditions.run to install a new version of guest additions (here: 6.1.32) installs everything but does not re-build kernel-modules like vboxguest, vboxsf - and neither does rcvboxadd setup. The reason is that in the latter, specifically in the function setup_modules, a check is made whether vboxguest.*o* exists for the current kernel and gives up if it does - without checking the module-version. I worked around this by deleting vboxguest.ko ... ",MAnantharaman
20881,Guest additions on Linux(Artix) with dinit init system,VirtualBox 6.1.32,Linux,2022-03-25T13:35:55Z,2022-03-25T13:35:55Z,2022-03-25T13:35:55Z,"
Tried to install Guest Additions by runnung ""VBoxLinuxAdditions.run"".

Install fails due to an error in ""routines.sh"".

{{{
./routines.sh: Zeile 236: systemctl: Kommando nicht gefunden
}}}

Artix Linux guest (artix-plasma-dinit-20220123-x86_64.iso) on Win10 host.
",JAMxWA
20959,Unable To Insert Guest Additional CD Image,VirtualBox 6.1.34,Windows,2022-05-28T11:41:34Z,2022-06-03T13:38:45Z,2022-06-03T13:38:45Z,"I Can't Insert Guest Additional CD Image I Need To Do It '''Manually'''
From The Folder, I'm Windows 10 64 Bit Virtualbox 6.1.34 Please Fix It",Miniblox Gaming
20979,machine folder share corrupts data,VirtualBox 6.1.34,Linux,2022-06-11T01:27:45Z,2022-06-11T01:27:45Z,2022-06-11T01:27:45Z,"After upgrading to 6.1.32, machine folder shares started showing corruption when being written to. Also happens in 6.1.34. Happens on new install of ubuntu 22.04 as guest on ubuntu 22.04 host.",illk
20984,Windows 10 remote desktop connection problem,VirtualBox 6.1.34,Windows,2022-06-13T22:51:28Z,2022-06-13T23:08:39Z,2022-06-13T23:08:39Z,"After installing Windows 10 in a virtual machine
with VBoxWindowsAdditions installed, the remote desktop client in Windows does not want to establish a connection

when VBoxWindowsAdditions is removed from the system in the virtual machine, it connects to the remote desktop


Tested on 2 Windows PCs and both Windows 10 PCs


The problem is with VBoxWindowsAdditions on windows 10 in a virtual machine",Mateusz Woźniakowski
20986,Windows Guest Additions cause Linux host to crash,VirtualBox 6.1.34,Windows,2022-06-14T15:05:50Z,2022-06-28T19:47:36Z,2022-06-28T19:47:36Z,"When I install Guest Additions on my clean-build Windows 10 guest, the host crashes when the guest boots (approx. 5s after the windows logon screen appears).

Host OS: Oracle Linux 8.5, kernel: 5.4.17-2136.306.1.3.el8uek.x86_64
Guest OS: Windows 10 Pro 21H2 (19044.1708)

The guest is stable without GA installed and the host also runs a number of Linux guests with GA installed with no issue. Neither the host nor Linux guests have X installed.

I have tried the following config changes for the Windows guest but these do not resolve the problem:
* Use graphicscontroller VBoxVGA
* Use graphicscontroller VBoxSVGA
* Use mouse ps2
* Use BIOS firmware
* Disable USB
* Disable audio
* Disable hpet
* Disable vrde

Configuration below, log of post-install boot attached:

{{{
#!div style=""font-size: 80%""
Code highlighting:
  {{{#!python
  Name:                        WindowsTest
  Groups:                      /Test
  Guest OS:                    Windows 10 (64-bit)
  UUID:                        86d3768a-e344-4edd-b21c-3fb816ebe87d
  Config file:                 /vm/Test/WindowsTest/WindowsTest.vbox
  Snapshot folder:             /vm/Test/WindowsTest/Snapshots
  Log folder:                  /vm/Test/WindowsTest/Logs
  Hardware UUID:               86d3768a-e344-4edd-b21c-3fb816ebe87d
  Memory size:                 8192MB
  Page Fusion:                 enabled
  VRAM size:                   128MB
  CPU exec cap:                100%
  HPET:                        enabled
  CPUProfile:                  host
  Chipset:                     piix3
  Firmware:                    EFI
  Number of CPUs:              2
  PAE:                         enabled
  Long Mode:                   enabled
  Triple Fault Reset:          disabled
  APIC:                        enabled
  X2APIC:                      enabled
  Nested VT-x/AMD-V:           disabled
  CPUID Portability Level:     0
  CPUID overrides:             None
  Boot menu mode:              message and menu
  Boot Device 1:               HardDisk
  Boot Device 2:               DVD
  Boot Device 3:               Not Assigned
  Boot Device 4:               Not Assigned
  ACPI:                        enabled
  IOAPIC:                      enabled
  BIOS APIC mode:              APIC
  Time offset:                 0ms
  BIOS NVRAM File:             /vm/Test/WindowsTest/WindowsTest.nvram
  RTC:                         local time
  Hardware Virtualization:     enabled
  Nested Paging:               enabled
  Large Pages:                 enabled
  VT-x VPID:                   enabled
  VT-x Unrestricted Exec.:     enabled
  Paravirt. Provider:          Default
  Effective Paravirt. Prov.:   HyperV
  State:                       running (since 2022-06-14T10:49:28.498000000)
  Graphics Controller:         VBoxSVGA
  Monitor count:               1
  3D Acceleration:             disabled
  2D Video Acceleration:       disabled
  Teleporter Enabled:          disabled
  Teleporter Port:             0
  Teleporter Address:
  Teleporter Password:
  Tracing Enabled:             disabled
  Allow Tracing to Access VM:  disabled
  Tracing Configuration:
  Autostart Enabled:           disabled
  Autostart Delay:             0
  Default Frontend:            headless
  VM process priority:         default
  Storage Controller Name (0):            SATA
  Storage Controller Type (0):            IntelAhci
  Storage Controller Instance Number (0): 0
  Storage Controller Max Port Count (0):  30
  Storage Controller Port Count (0):      4
  Storage Controller Bootable (0):        on
  SATA (0, 0): /vm/Test/WindowsTest/Snapshots/{3169be53-ec9e-418e-b4bc-dca229bb8816}.vdi (UUID: 3169be53-ec9e-418e-b4bc-dca229bb8816)
  SATA (3, 0): Empty
  NIC 1:                       MAC: 08002727E34F, Attachment: Bridged Interface 'enp10s0f0', Cable connected: on, Trace: off (file: none), Type: 82540EM, Reported speed: 0 Mbps, Boot priority: 0, Promisc Policy: deny, Bandwidth group: none
  NIC 2:                       disabled
  NIC 3:                       disabled
  NIC 4:                       disabled
  NIC 5:                       disabled
  NIC 6:                       disabled
  NIC 7:                       disabled
  NIC 8:                       disabled
  Pointing Device:             USB Tablet
  Keyboard Device:             PS/2 Keyboard
  UART 1:                      disabled
  UART 2:                      disabled
  UART 3:                      disabled
  UART 4:                      disabled
  LPT 1:                       disabled
  LPT 2:                       disabled
  Audio:                       enabled (Driver: ALSA, Controller: HDA, Codec: STAC9221)
  Audio playback:              enabled
  Audio capture:               disabled
  Clipboard Mode:              disabled
  Drag and drop Mode:          disabled
  Session name:                headless
  Video mode:                  1024x768x32 at 0,0 enabled
  VRDE:                        enabled (Address 192.168.1.1, Ports 3389, MultiConn: off, ReuseSingleConn: off, Authentication type: null)
  VRDE port:                   3389
  Video redirection:           disabled
  VRDE property               : TCP/Ports  = ""3389""
  VRDE property               : TCP/Address = ""192.168.1.1""
  VRDE property               : VideoChannel/Enabled = <not set>
  VRDE property               : VideoChannel/Quality = <not set>
  VRDE property               : VideoChannel/DownscaleProtection = <not set>
  VRDE property               : Client/DisableDisplay = <not set>
  VRDE property               : Client/DisableInput = <not set>
  VRDE property               : Client/DisableAudio = <not set>
  VRDE property               : Client/DisableUSB = <not set>
  VRDE property               : Client/DisableClipboard = <not set>
  VRDE property               : Client/DisableUpstreamAudio = <not set>
  VRDE property               : Client/DisableRDPDR = <not set>
  VRDE property               : H3DRedirect/Enabled = <not set>
  VRDE property               : Security/Method = <not set>
  VRDE property               : Security/ServerCertificate = <not set>
  VRDE property               : Security/ServerPrivateKey = <not set>
  VRDE property               : Security/CACertificate = <not set>
  VRDE property               : Audio/RateCorrectionMode = <not set>
  VRDE property               : Audio/LogPath = <not set>
  OHCI USB:                    disabled
  EHCI USB:                    disabled
  xHCI USB:                    enabled

  USB Device Filters:

  <none>

  Available remote USB devices:

  <none>

  Currently Attached USB Devices:

  <none>

  Bandwidth groups:  <none>

  Shared folders:<none>

  VRDE Connection:             not active
  Clients so far:              0

  Capturing:                   not active
  Capture audio:               not active
  Capture screens:             0
  Capture file:                /vm/Test/WindowsTest/WindowsTest.webm
  Capture dimensions:          1024x768
  Capture rate:                512kbps
  Capture FPS:                 25kbps
  Capture options:             ac_enabled=false

  Guest:

  Configured memory balloon size: 0MB
  OS type:                     Windows10_64
  Additions run level:         0

  Guest Facilities:

  No active facilities.

  Snapshots:

   Name: 220613 Clean (UUID: 0f5525d8-e007-47f4-8669-1925a2d396ac) *
  }}}
}}}",techpost
20987,Drag and Drop not working windows host and windows guest,VirtualBox 6.1.34,Windows,2022-06-14T17:02:47Z,2022-06-14T17:02:47Z,2022-06-14T17:02:47Z,"Drag and drop isn't working. Checked for Guest Addition installed, DnD is enabled. Looks like it wants to work from guest to host but file isn't transferred. DnD isn't even attempted or allowed from Host to Guest.",Lost_Developer
20991,Unable To Insert Guest Additional CD Image,VirtualBox 6.1.34,Windows,2022-06-16T16:24:50Z,2022-06-16T20:28:48Z,2022-06-16T20:28:48Z,"1. I have checked the ""Bidirectional"" for clipboard and drag, but neither of them work.
2. Unable To Insert Guest Additional CD Image
3. When I checked the ""share folder settings"" , it comes to this:
""The Virtua Box Guest Additions do not appear to be available on this virtual machine, and
shared folders cannot be used without them. To use shared folders inside the virtual
machine, please install the Guest Additions if they are not installed, or re-install them if
they are not working correctly, by selecting Insert Guest Additions CD image from the
Devices menu. If they are installed but the machine is not yet fully started then shared
folders will be available once it is.""",HerrHuang
21021,VBoxTray *crash* on virtual screen resize.,VirtualBox 6.1.34,Windows,2022-07-10T18:00:15Z,2022-07-10T18:00:15Z,2022-07-10T18:00:15Z,"'''Error:''' VBoxTray.exe access violation (0xc0000005), Address: 0x004123aa

'''Guest:''' Windows NT 4.0 SP6a

'''Configuration:'''
* virtual screen: 1152×864, true color
* VM: View | Auto-resize guest display = disabled

'''Steps to reproduce:'''
* VM: View | Virtual screen 1 | Resize to 800×600",drwtsn32
21059,Virtualbox VM crashed while installing Virtualbox Guest Additions in win8.1 guests,VirtualBox 6.1.36,Windows,2022-08-12T03:48:32Z,2022-08-12T03:48:32Z,2022-08-12T03:48:32Z,"I was installing VB Guest Additions in a Windows 8.1 guest. After a few seconds, when I was prompted to install a video driver in the guest and I clicked ""Yes"", the virtual machine stopped responding and the host prompted a memory error.  Then,I could never again boot the VM using the hard disk because the same error pops up every time.

'''Reproduce'''
1. Create a win8.1 VM
2. Install win8.1.
3. Try to install VBAdditions.

'''Environment'''
Version: VB 6.1.36
Host OS: Windows 11 22H2
Guest OS: Windows 8.1

",fyc
21061,Shared folder Automount not working properly Linux Mint 21 Cinnamon,VirtualBox 6.1.36,Linux,2022-08-13T09:15:34Z,2023-02-04T08:53:42Z,2023-02-04T08:53:42Z,"Automount works perfectly in my older Linux Mint 20.3 Cinnamon VM.
I installed Linux Mint 21 Cinnamon. But automount does not work properly.
It mounts the folder and I gave permissions to my user to vboxsf
But the sub folders or files are randomly locked without permissions to read/write. It seems some files/folder are owned by root, those works and some are unknown owner those don't work.
Rebooting will randomly change which file/folder have root or unknown owner.

Latest VBox and guest additions is installed.

I tried disabling automount and doing a manual mount or adding to /etc/fstab and both work perfectly.
",Munch
21150,"Some programs see no files in shared folders (Host: W10, Guest: XP)",VirtualBox 7.0.0,Windows,2022-10-14T15:19:57Z,2022-10-14T15:19:57Z,2022-10-14T15:19:57Z,"In order to reproduce, you will need Norton Commander (I have version 3) or Alpha4 (a database manager; I have version 8).

In the guest VM (XP), Windows Explorer and CMD are able to see and list all the files in a shared folder mounted in the guest.

In some cases, alpha4 shows no files at all, and in others, it shows only files with .set extension (it's supposed to show .set and .dbf files always).

Norton Commander shows no files at all in shared folders mounted in the guest.

When issuing a DIR command when Norton Commander is running, I get ""Extended Error 234"" and no files listed at all (the DIR command should list files normally).

Norton Commander 3.0 can be downloaded from here: [https://winworldpc.com/product/norton-commander/3x]",ArneS
21187,Draw issues with 3d acceleration enabled on Windows Server 2016,VirtualBox-7.0.2,Windows,2022-10-21T22:26:29Z,2022-10-21T22:28:36Z,2022-10-21T22:28:36Z,"On Windows 2016 Server, with 3D acceleration enabled I'm seeing draw issues with Direct2D.
There are no issues when 3D acceleration is disabled.",euclid
21197,Make Shared Folder accessible by default in at least certain Linux variants,VirtualBox-7.0.2,Linux,2022-10-23T22:35:12Z,2022-10-23T22:35:12Z,2022-10-23T22:35:12Z,"As explained [https://forums.virtualbox.org/viewtopic.php?t=103322 here], it takes a running special command line in order to be able to enter shared folders instead of only getting ""permission denied"" messages.

It's explained there it might be different for each flavor of Linux, but how about giving solutions to at least popular packages like Ubuntu and Lubuntu?

As seen [https://unix.stackexchange.com/a/400137 here] in Lubunto the command (that also saved the day for me) is:

{{{
sudo usermod -a -G vboxsf $(whoami)
}}}

If not, then maybe at least produce a message after installing Guest Additions in Linux to invite the user to look up how to make shared folders work.",l-w-c
21261,Microsoft Office 2013 not working if Guest Additions are installed,VirtualBox-7.0.2,Linux,2022-11-10T16:57:30Z,2022-11-10T16:57:30Z,2022-11-10T16:57:30Z,"I have Ubuntu Linux 22.10 as a host and VirtualBox version 7.0.2 r154219 (Qt5.15.6).

I craeted a Windows 10 virtual machine. Windows 10 in virtual machine are fully updated. I also have installed Microsoft Office 2013.

When I run MS Word 2013 and have latest Guest Additions installed, this application runs, but the application window is black. I can right-click on the area of the application window and can get some menus open, but that is all. I can not see anything. The same is with MS Excel 2013.

If I uninstall Guest Additions, MS Word opens normally and the content of the application window is normally visible (the same with Excel). So it seems that Guest Additions are somehow affecting those two applications.

I have tested some other applications (Firefox, Chrome, Adobe Reader, Malwarebytes,...) and those work normally.

Also, I thought that the problem is with Microsoft Office 2013, so I run the installer and select Repair installation. Repair was not successful, because installed said that LYNC.LYNCDESKTOPRESOUR.DLL.x64.1033 cannot be installed. I don't know if this is somehow connected, but I believe it is worth mentioning.",MatejKovacic
21294,Windows 11 freezes shortly after startup on VBox7 MacOS,VirtualBox-7.0.2,Windows,2022-11-22T21:15:42Z,2022-11-22T21:15:42Z,2022-11-22T21:15:42Z,"MacOS Vbox 7 hangs eventually running Windows 11. Downgrading guest additions to v6.x avoids the issue, but can't stay that way.

Details of issue posted here:

https://forums.virtualbox.org/viewtopic.php?f=2&t=107616

Other users can reproduce the issue...also appears to affect linux as well.",h00die
21303,exception in module VBoxMRXNP.dll => Fixed in SVN,VirtualBox-7.0.4,Windows,2022-11-23T13:10:14Z,2022-12-23T17:12:29Z,2022-12-23T17:12:29Z,"application running in MS Visual Studio 2019 crashes if it tries to access the file system (retrieve folder structure). In VirtualBox 6.1 it works fine.

windows Event log:
Faulting application name: EstiCon.Client.exe, version: 22.3.4.100, time stamp: 0x637e116c
Faulting module name: VBoxMRXNP.dll, version: 7.0.4.4605, time stamp: 0x6375102d
Exception code: 0x4000001f
Fault offset: 0x000132b0
Faulting process id: 0x448c
Faulting application start time: 0x01d8ff37dd906849
Faulting application path: c:\projekty\EstDevTest\Client\EstiCon.Client\bin\Debug\EstiCon.Client.exe
Faulting module path: C:\WINDOWS\system32\VBoxMRXNP.dll
Report Id: 7eb1303a-fddb-4eb3-a7ef-848370c48846
Faulting package full name: 
Faulting package-relative application ID: ",medved
21340,VM crashes while upgrading GuestAdditions to 7.0.4,VirtualBox-7.0.4,Windows,2022-12-15T09:05:34Z,2022-12-15T09:05:34Z,2022-12-15T09:05:34Z,What the title says. Attaching logs...,Wand
21351,GetFileInformationByHandleExfor VBoxSharedFolderFS  works incorrectly,VirtualBox-7.0.4,other,2022-12-21T13:12:21Z,2023-01-04T12:13:46Z,2023-01-04T12:13:46Z,"it returns ERROR_FILE_NOT_FOUND, while there are files in a directory

details:


https://github.com/boostorg/filesystem/issues/261#issuecomment-1335574338",basiliscos
21356,Guest addtions update issue in WIN 7,VirtualBox-7.0.4,other,2022-12-29T10:06:27Z,2022-12-29T10:06:27Z,2022-12-29T10:06:27Z,"Name: C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso

Could not open guest session: VERR_NOT_FOUND.
Result Code:
VBOX_E_IPRT_ERROR (0X80BB0005)
Component:
GuestWrap
Interface:
IGuest {00892186-a4af-4627-b21f-fc561ce4473c}
",iRabbit_Jimmy
21357,Guest addtions update issue in WIN 7,VirtualBox-7.0.4,Windows,2022-12-29T10:06:31Z,2022-12-29T10:06:31Z,2022-12-29T10:06:31Z,"Name: C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso

Could not open guest session: VERR_NOT_FOUND.
Result Code:
VBOX_E_IPRT_ERROR (0X80BB0005)
Component:
GuestWrap
Interface:
IGuest {00892186-a4af-4627-b21f-fc561ce4473c}
",iRabbit_Jimmy
21390,Installation of Additions not finishing on WinXP64 (VB 7.0.4),VirtualBox-7.0.4,Windows,2023-01-03T10:32:51Z,2023-01-03T10:32:51Z,2023-01-03T10:32:51Z,"I have a WinXP64bit. I installed old guest-additions. Now I migrate to Virtualbox7. I installed the new guest-additions https://download.virtualbox.org/virtualbox/7.0.0/Oracle_VM_VirtualBox_Extension_Pack-7.0.0.vbox-extpack

Then I try to install the guest-additions in the guest-vm. Unfortunately the installation does not finish and remains at coping VBoxControl.exe.",grim
21391,Installation of Additions not finishing on WinXP64 (VB 7.0.4),VirtualBox-7.0.4,Windows,2023-01-03T10:32:52Z,2023-01-03T10:41:38Z,2023-01-03T10:41:38Z,"I have a WinXP64bit. I installed old guest-additions. Now I migrate to Virtualbox7. I installed the new guest-additions https://download.virtualbox.org/virtualbox/7.0.0/Oracle_VM_VirtualBox_Extension_Pack-7.0.0.vbox-extpack

Then I try to install the guest-additions in the guest-vm. Unfortunately the installation does not finish and remains at coping VBoxControl.exe.",grim
21403,Broken Display Arrangement Configuration w/ VirtualBox Additions 7.0.4.,VirtualBox-7.0.4,Linux,2023-01-10T19:48:41Z,2023-01-10T19:48:41Z,2023-01-10T19:48:41Z,"Hello, the issue in which I will try to describe occurs when you have more than 1 display associated with the Linux Guest, in my case Ubuntu Mate 22.04 LTS running under a Windows Host.

The issue occurs when you try to switch the default display arrangement so that it matches the physical arrangement of the displays. For example, if your 2 displays need to be switched so that when you move a window from 1 display to the other, it understands that the display is on the left opposed to on the right.

The behavior that occurs when you attempt to switch the arrangement is this:

- The Guest displays a confirmation dialog.
- When you try to click on ""Keep this Configuration"" there is no way to interact with the dialog.
- However if you move the mouse to the display the dialog is not on, and try clicking where the window would be if it was on that display, you can interact with the dialog in a very difficult way.

The Guest moves the window to the correct display but the the window is rendered on the wrong display.

When I downgraded to VirtualBox v6.1.40, the issue still occurred. I then downgraded to the VirtualBox Additions that come with v6.1.40, and once that was complete, the issue no longer occurred worked correctly.

Therefore it is my conclusion that the VirtualBox Additions that are packaged with VirtualBox v7.0.4 are causing this annoying and unfortunate behavior in regards to display arrangement.

I can provide more information if needed however I cannot easily provide a video capture of the behavior I am experiencing.

Thanks,

-
Rick",agilis
21410,RIP: 0010:vbsf_inode_revalidate_worker+0x542/0x580 [vboxsf],VirtualBox-7.0.4,Linux,2023-01-16T09:54:46Z,2023-01-19T08:30:56Z,2023-01-19T08:30:56Z,"Hi,

I am seeing below error with kernel 6.1.5-200.fc37.x86_64.
{{{
------------[ cut here ]------------
memcpy: detected field-spanning write (size 14) of single field ""&pReq->StrPath"" at /tmp/vbox.0/utils.c:591 (size 6)
WARNING: CPU: 0 PID: 2470 at /tmp/vbox.0/utils.c:591 vbsf_inode_revalidate_worker+0x542/0x580 [vboxsf]
Modules linked in: vboxsf(OE) snd_seq_dummy snd_hrtimer vboxvideo(OE) nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set rfkill nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter ip_tables qrtr sunrpc snd_intel8x0 snd_ac97_codec ac97_bus snd_seq snd_seq_device snd_pcm intel_rapl_msr snd_timer intel_rapl_common pktcdvd pcspkr snd soundcore i2c_piix4 joydev zram crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic virtio_net ghash_clmulni_intel vmwgfx net_failover sha512_ssse3 drm_ttm_helper video serio_raw failover vboxguest(OE) ttm wmi ata_generic pata_acpi scsi_dh_rdac scsi_dh_emc scsi_dh_alua fuse dm_multipath
CPU: 0 PID: 2470 Comm: ls Tainted: G        W  OE      6.1.5-200.fc37.x86_64 #1
Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
RIP: 0010:vbsf_inode_revalidate_worker+0x542/0x580 [vboxsf]
Code: cf fd ff ff b9 06 00 00 00 4c 89 fe 4c 89 14 24 48 c7 c2 e0 a8 a5 c0 48 c7 c7 90 a8 a5 c0 c6 05 04 a6 00 00 01 e8 42 4c 31 d7 <0f> 0b 4c 8b 14 24 e9 9e fd ff ff 83 f8 98 41 bb b9 ff ff ff b8 fe
RSP: 0018:ffffb046852bbb58 EFLAGS: 00010282
RAX: 0000000000000074 RBX: ffff986681154e00 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff9874a863 RDI: 00000000ffffffff
RBP: ffff9866874a0144 R08: 0000000000000000 R09: ffffb046852bb9f8
R10: 0000000000000003 R11: ffffffff99146488 R12: ffff98667f8b6f00
R13: ffff98668100d6c0 R14: ffff986682574c00 R15: 000000000000000e
FS:  00007f85aafd3c40(0000) GS:ffff98675bc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056279ce6f718 CR3: 00000000011ce000 CR4: 00000000000506f0
Call Trace:
 <TASK>
 vbsf_dentry_revalidate+0x4f/0xb0 [vboxsf]
 lookup_fast+0x74/0xe0
 walk_component+0x1f/0x150
 path_lookupat+0x67/0x190
 filename_lookup+0xd3/0x1c0
 vfs_statx+0x8e/0x150
 do_statx+0x50/0x80
 __x64_sys_statx+0x62/0x80
 do_syscall_64+0x5b/0x80
 ? do_syscall_64+0x67/0x80
 ? fpregs_restore_userregs+0x12/0xe0
 ? exit_to_user_mode_prepare+0x18f/0x1f0
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? do_syscall_64+0x67/0x80
 ? exc_page_fault+0x70/0x170
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f85ab16ca5e
Code: 83 0d 00 ba ff ff ff ff 64 c7 00 16 00 00 00 e9 a5 fd ff ff e8 d3 0f 02 00 0f 1f 00 f3 0f 1e fa 41 89 ca b8 4c 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2a 89 c1 85 c0 74 0f 48 8b 05 9d 83 0d 00 64
RSP: 002b:00007ffda585f578 EFLAGS: 00000246 ORIG_RAX: 000000000000014c
RAX: ffffffffffffffda RBX: 000056279ce5fee8 RCX: 00007f85ab16ca5e
RDX: 0000000000000900 RSI: 00007ffda585f6b0 RDI: 00000000ffffff9c
RBP: 000000000000025e R08: 00007ffda585f580 R09: 0000000000000020
R10: 000000000000025e R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 000056279ce5fed0 R15: 0000000000000000
 </TASK>
---[ end trace 0000000000000000 ]---
}}}",Srini8987
21422,Ciao a tutti sono un principiante di Virtualbox. problema: DnD e appunti condivisi non funzionano. Host Win 10 e Guest Ubuntu. Guest installate.,VirtualBox 6.1.40,Linux,2023-01-21T17:29:50Z,2023-01-21T17:29:50Z,2023-01-21T17:29:50Z,"Codice di uscita:
VBOX_E_IPRT_ERROR (0x80BB0005)
Componente: GuestWrap
Interfaccia: IGuest {13a11514-402e-022e-6180-c3944de3f9c8}
",Dave78
21441,Drag and drop not working,VirtualBox-7.0.6,Linux,2023-01-28T14:49:43Z,2023-01-30T12:40:13Z,2023-01-30T12:40:13Z,"DnD not working between host (Win 11) and guest Ubuntu 22.04. 

Operazione di trascinamento e rilascio dal guest all'host non riuscita.

DnD: Error: Requesting pending data from guest failed (VERR_TIMEOUT).

Codice uscita:VBOX_E_DND_ERROR (0X80BB0011)
Componente:GuestDnDSourceWrap
Interfaccia:IGuestDnDSource {dedfb5d9-4c1b-edf7-fdf3-c1be6827dc28}
Chiamante:IDnDSource {d23a9ca3-42da-c94b-8aec-21968e08355d}

",Dave78
21446,Linux guest additions 7.0.6: vbox_drv.c compile error with (RH)EL 8.7 kernel: implicit declaration of function ‘vgacon_text_force’ => fixed in svn,VirtualBox-7.0.6,Linux,2023-01-30T12:57:55Z,2023-02-14T11:36:42Z,2023-02-14T11:36:42Z,"Host:
- Microsoft Windows [Version 10.0.19044.2486]
- VirtualBox 7.0.6 r155176 (Qt5.15.2)

Guest (as updated to latest 8.7):
- RockyLinux 8.7
- kernel: 4.18.0-425.10.1.el8_7.x86_64

Guest additions kernel module will fail to build on:

{{{
/tmp/vbox.0/vbox_drv.c: In function ‘vbox_init’:
/tmp/vbox.0/vbox_drv.c:54:34: error: implicit declaration of function ‘vgacon_text_force’ [-Werror=implicit-function-declaration]
 #  define VBOX_VIDEO_NOMODESET() vgacon_text_force() && vbox_modeset == -1
                                  ^~~~~~~~~~~~~~~~~
}}}
(see attached log)

Same build error w/ VBoxGuestAdditions_7.0.7-155247 (latest testing available)

I've seen in RHEL kernel changelog that nomodeset changes might have been backported into -425, not sure if this is the cause though?

{{{
* Fri Dec  9 13:00:00 2022 Jarod Wilson <jarod@redhat.com> [4.18.0-425.9.1.el8_7]
- Documentation/admin-guide: Document nomodeset kernel parameter (Jocelyn Falempe) [2145218 2143952]
- drm: Move nomodeset kernel parameter to the DRM subsystem (Jocelyn Falempe) [2145218 2143952]
}}}


Changing
{{{
#  define VBOX_VIDEO_NOMODESET() vgacon_text_force() && vbox_modeset == -1
}}}
to
{{{
#  define VBOX_VIDEO_NOMODESET() drm_firmware_drivers_only() && vbox_modeset == -1
}}}
seems to fix the build, although I have no idea whether this produces working driver module.",mareks
21450,Cannot build Guest Additions 7.0.6 for CentOS Stream 9 kernel 5.14.0-239.el9.x86_64 => fixed in svn,VirtualBox-7.0.6,Linux,2023-01-31T23:04:39Z,2023-02-14T11:37:32Z,2023-02-14T11:37:32Z,"{{{
In file included from /tmp/vbox.1/vboxvideo_guest.h:34,
                 from /tmp/vbox.1/modesetting.c:27:
/tmp/vbox.1/vbox_drv.h:378:32: error: field ‘base’ has incomplete type
  378 |         struct drm_framebuffer base;
      |                                ^~~~
In file included from /tmp/vbox.1/hgsmi_base.c:27:
/tmp/vbox.1/vbox_drv.h:378:32: error: field ‘base’ has incomplete type
  378 |         struct drm_framebuffer base;
      |                                ^~~~
make[2]: *** [scripts/Makefile.build:321: /tmp/vbox.1/hgsmi_base.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: *** [scripts/Makefile.build:321: /tmp/vbox.1/modesetting.o] Error 1
make[1]: *** [Makefile:1915: /tmp/vbox.1] Error 2
make: *** [/tmp/vbox.1/Makefile-footer.gmk:133: vboxvideo] Error 2
}}}
",Steven Barre
