[vbox-dev] 3.1 final version vm freezes when hibernating

Huihong Luo huisinro at yahoo.com
Tue Dec 1 04:55:27 GMT 2009

I just tested this on the lastest binary 3.1 from VirtualBox.org download, and this bug still exists.
It's very easy to reproduce. Just enable 3D/2D, create a XP vm (I am using 32-bit Vista host), then start the vm, and hiberante it from command line:
VBoxManager controlvm "testvm1" savestate
you will get the crash. Try a few times if not getting it 1st time.
(2) another hard way is to shutdown the xp vm from Windows Start menu, Shutdown
After many tries, you will get the crash. Make sure to enable 2D/3D.
I spent quite some time to track down the bug, still not yet find it. It's to do with some thread starting, judged from following crash call stack.

Unhandled exception at 0x038734b2 in VirtualBox.exe: 0xC0000005: Access violation reading location 0x038734b2.
038734AF ??? 
038734B0 ??? 
038734B1 ??? 
038734B2 ???  <===
038734B3 ??? 
038734B4 ??? 
038734B5 ??? 
>  038734b2()   <=== 0xC0000005 error
> kernel32.dll!@BaseThreadInitThunk at 12()  + 0x12 bytes 
  ntdll.dll!___RtlUserThreadStart at 8()  + 0x27 bytes 
  ntdll.dll!__RtlUserThreadStart at 8()  + 0x1b bytes 

--- On Mon, 11/23/09, Huihong Luo <huisinro at yahoo.com> wrote:

From: Huihong Luo <huisinro at yahoo.com>
Subject: [vbox-dev] 3.1 beta 2 vm freezes when hibernating
To: vbox-dev at virtualbox.org
Date: Monday, November 23, 2009, 10:18 PM

sometimes, vm console becomes non responding when closing with Saving state. It's XP guest on Vista host, 32-bit.
It seems to do with 3D/2D enbling. The problem occurs much often when 3D/2D is enabled. If 3D/2D is off, the problem seldom occurs.
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