VirtualBox

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Ticket Resolution Summary Owner Reporter
#11221 obsolete Unable to compact virtual disk image Rafcio
Description

I ran into a problem compacting virtual disk images. I tested this on several clients with the same result. Here is the scenario. First I use online defragmentation pass in PerfectDisk 12.5, then I follow it with offline (boot time) defragmentation to defragment metadata and other locked files (like pagefile.sys), then again an online defragmentation pass. That makes everything (or pretty much everything) moved to the beginning of virtual disk image. Then I use sdelete utility from SysInternals package to zero out the free space. I confirm with PerfectDisk that all the files are moved to the beginning of the drive, so the virtual drive should be compactable. Unfortunately, after that procedure the VDI file does not compact at all, or very little (like 1%). The virtual drive is less than 50% full, so it should be compactable close to that value. I believe that it is the offline defragmentation pass that prevents the image from being compacted. I'm not 100% sure about that, but when I was using the Windows XP built in defragmenter followed by sdelete pass I was able to compact virtual images quite a lot. For the record the the defrag method is smart placement and the free space seek method is short stroke. This should not matter much if the defrag is followed by sdelete pass, as it touches everything that is free space, actually growing the image to its maximum size. I noticed the same problem with XP guests on Linux host, so it is not a host issue. All the tested guests were running XP.

#11223 obsolete Problems if USB-Serial adapter on host was removed during a session. ziotibia81
Description

Scenario:

Guest system have to interact with a device connected to an USB to RS232 adapter.

Guest OS don't have driver for this adapter. Host OS (Linux) have this driver working fine.

On host was created an udev rule to ensure that the specific adapter always have a symlink with the same name (/dev/ttyUSB.TK):

KERNEL=="ttyUSB[0-9]*", DEVPATH=="/devices/pci0000:00/0000:00:1d.1/usb3/3-2/3-2:1.0/ttyUSB[0-9]*", SYMLINK+="ttyUSB.TK"

VM have thins conf:

 <UART>
        <Port slot="0" enabled="true" IOBase="0x3f8" IRQ="4" path="/dev/ttyUSB.TK" hostMode="HostDevice"/>
      </UART>

Guest use his "hardware" serial device.

So now I attach serial adapter, start virtual machine and all works fine.

If the serial adapter is disconnected and reconnected while VM still running on VBox.log I see:

02:41:55.101588 VM: Raising runtime error 'DrvHostSerialFail' (fFlags=0x0)
02:41:55.101633 Console: VM runtime error: fatal=false, errorID=DrvHostSerialFail message="Ioctl failed for serial host device '/dev/ttyUSB.TK' (VERR_DEV_IO_ERROR). The device will not work properly"
02:41:55.102740 HostSerial#0: Serial Write failed with VERR_DEV_IO_ERROR; terminating send thread
02:41:55.102759 PDMThread: Thread 'SerSend' (00007f76e8461d50) quit unexpectedly with rc=VERR_DEV_IO_ERROR.

and serial port on Guest stop to work. Now I have to Shutdown Guest (no reboot) and restart it.

Summarizing: at the first I/O error on device VBox "disconnect" virtual device, closer real device and ignore it during all the session.

I think that would be better if VBox trying to reopen real device, every X seconds, and restore functionality of virtualized device.

#11224 obsolete VirtualBox crash when running system rating Eyal Tzur
Description

While running the Microsoft Windows 7 Home Premium SP1 64 bit client Microsoft system rating the Oracle VirtualBox application crash with the following error: " Description: Faulting application name: VirtualBox.exe, version: 4.2.4.0, time stamp: 0x508ac1cf Faulting module name: VBoxSharedCrOpenGL.DLL, version: 0.0.0.0, time stamp: 0x508ac1d2 Exception code: 0xc0000005 Fault offset: 0x000000000000722a Faulting process id: 0x744 Faulting application start time: 0x01cdc65439d6480d Faulting application path: C:\Program Files\Oracle\VirtualBox\VirtualBox.exe Faulting module path: C:\Program Files\Oracle\VirtualBox\VBoxSharedCrOpenGL.DLL Report Id: 25448b38-32e3-11e2-b9f8-001167d638c0 "

My host configuration: Asus P8H61-M LX Intel Core I5-3470 Intel HD2500 8GB Kingston Memory OS Host - Windows 7 SP1 Home Primeum 64 bit

Guest Addition 4.2.4r81684 is installed. The amount of memory allocated to the client is 2048MB. The amount of video memory allocated to the client is 256MB. I've allocated 1 CPU for the client. VT-x and Nested Paging are enabled.

It happens when the 2D and 3D accelerations are activated (when the 3D is not activated the Microsoft system rating works fine, but obviously gives a rating of '1' which doesn't allow me to run some applications)

I've updated to the latest Intel Video driver.

I'm attaching the VBox.log file.

Please let me know what other information you require. Thanks for your help!

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