2D seems to be the cause. When 2D is enabled, it's much severe. But I did get 
crashes when only 3D is enabled (occurs much less).
 
Yes, I installed the OSE edition for the guest additions in safe mode, and 
google earth works fine in DirectX mode in vm. (BTW, another bug is when goolge 
earth running and vm is hiberanted, google earth images become scrambled)
 
Will test PUEL guest addition in a few mins, and will report back soon.


--- On Mon, 11/30/09, Mikhail Sennikovsky <[email protected]> wrote:


From: Mikhail Sennikovsky <[email protected]>
Subject: Re: [vbox-dev] 3.1 final version vm freezes when hibernating
To: "Huihong Luo" <[email protected]>
Cc: [email protected]
Date: Monday, November 30, 2009, 11:04 PM


Unable to reproduce it here. 
What additions version do you have installed? Do you have Guest Additions 3D 
support installed? If yes did you install it in safe mode?
Does this happen both when both 3D & 2D are enabled? Does it crash if you 
enable only one of them?

Huihong Luo wrote: 






I just tested this on the lastest binary 3.1 from VirtualBox.org download, and 
this bug still exists.
 
(1) 
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.d...@basethreadinitthunk@12()  + 0x12 bytes 
  ntdll.dll!___rtluserthreadst...@8()  + 0x27 bytes 
  ntdll.dll!__rtluserthreadst...@8()  + 0x1b bytes 

--- On Mon, 11/23/09, Huihong Luo <[email protected]> wrote:


From: Huihong Luo <[email protected]>
Subject: [vbox-dev] 3.1 beta 2 vm freezes when hibernating
To: [email protected]
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.
 
-----Inline Attachment Follows-----


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