VirtualBox

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Ticket Resolution Summary Owner Reporter
#2255 fixed Error VERR_INVALID_HANDLE when saving a snapshot. Christian Elberfeld
Description

When I save the virtual machine state very I get the following error very often. After the error Message the virtual machine keeps running.

Mostly I get this error when more than one virtual machine is running.

I also had this Problem with Virtualbox 2.00 and 1.6.4.

Failed to save the machine state to '/home/chris/.VirtualBox/Machines/
   CON-NBCE-VIRTUAL/Snapshots/{aff381cd-be96-4314-2eac-01def83676ec}.sav' (VERR_INVALID_HANDLE).
Fehlercode: NS_ERROR_FAILURE (0x80004005)
Komponente: Console
Interface:  IConsole {d5a1cbda-f5d7-4824-9afe-d640c94c7dcf}
#2256 duplicate Accessing host documents via vboxsvr share very slow pablo
Description

Hi,

This problem first reared its head after 1.5.6 Yes, I should have logged a bug back then but I had a work-around which wasn't too much pain. I think it's time to fix this issue. :)

Problem

When using the `vboxsvr' share to Open and Save files, especially, Office files, it's very slow compared to using a regular Windows share from the Guest to the Host.

Environment

Guest O/S

Windows X/P; Service Pack 3. Office 2007.

Host O/S

openSUSE 11.0 - 2.6.25.16-0.1-pae

Test Case

o Create a new PowerPoint file and place it on the Host - ensure it is also accessible to the Guest via the Network Neighborhood Browse function
o Create a permanent `vboxsvr' share pointing to where the file is located on the Host o Open the file using the `vboxsvr' share and note the time to perform this function. Add a single word and Save the file; note the time elapsed time to save the file. o Perform a Network Neighborhood Browse in the Guest and navigate to the same location and perform the same functions as above. Note the time difference (I hope you see what I'm seeing! :)

Additional Forensics

I downloaded and installed WinDump (similar to tcpdump) and noted when the vboxsvr' share is used, UDP packets are sent via port 137 (netbios). The first set of packets get through immediately but the subsequent packets timeout (so it seems). One can see in the attached file the problem manifesting after 16:27:37.392216'

I can collect more data if necessary. Just let me know.

#2257 invalid Cannot overwrite files in shared folders anbrs1
Description

Windows XP SP2 guest with Guest Additions 2.0.2r36486, Ubuntu 8.04 host.

If I try to copy a file to a shared folder and it already exists there, and I click "Yes" in the Confirm File Replace dialog, I get an error dialog titled "Error Copying File or Folder" that says "Cannot copy <filename here>: The parameter is incorrect." After that, the file to be overwritten is gone.

However, I am able to open, modify, and save files in the shared folder (usually) without errors.

In what may be a symptom of the same bug, if I use shell redirection to overwrite a file in a shared folder, the old file is not truncated properly. Assuming X: is the shared folder drive, at the command prompt:

x: echo asdf123456789 > trunc.txt more trunc.txt

--> asdf123456789

echo qwer > trunc.txt more trunc.txt

--> qwer

456789

The same thing happens when I overwrite a file using a Python script: if the new version is shorter, the tail of the old one remains.

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