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Ticket Resolution Summary Owner Reporter
#8993 obsolete Guru meditation running AROS live CD, Guru Meditation -2301 (VERR_REM_VIRTUAL_CPU_ERROR) Donuts
Description

Hi,

Host: Xubuntu 9.10 32-bit. Core 2 Duo T8100, VT-X enabled, VirtualBox 4.0.8.

Guest: AROS live CD from here.

After doing this:

  • Create a suitable VM to boot from the ISO image.
  • At the boot menu, press return to choose the default mode (VESA 1024x768).
  • After a few seconds the Wanderer screen will appear. Press menu-W or hold the right mouse button down and select Shell from the Wanderer menu at the top of the screen.
  • In the shell window which opens, type
      cd Extras/Demos [return]
      execute StartMesaDemos [return]
    

This happens:

  • Several demo windows will open. Initially the guest mouse pointer stops responding and the CPU is maxed out (but you can e.g. uncapture the mouse or press host-R to reboot). If you wait a while VirtualBox sometimes gives a guru meditation error.

The initial line in the log file reads:

Trying to execute code with memory type
   addr_code=0000000031002020 addend=0000000084d7e000
   at 0000000031002d00! (iHandlerMemType=0x38 iMMIOMemType=0x30
   IOTLB=0000000000000010)
#8997 obsolete Crashed when tried to open a second concurrent Virtual machine Tedzdog
Description

The first virtual machine crashed when tried to start a second (different) concurrent VM. I believe the first VM was midway through booting.

I dont believe it was because of a lack of resources, I have had both working previously at the same time.

Problem signature:

Problem Event Name: APPCRASH Application Name: VirtualBox.exe Application Version: 4.0.8.0 Application Timestamp: 4dd15265 Fault Module Name: QtCoreVBox4.dll Fault Module Version: 4.4.3.0 Fault Module Timestamp: 49d69ee1 Exception Code: 80000001 Exception Offset: 00000000001b1971 OS Version: 6.1.7601.2.1.0.768.3 Locale ID: 3081 Additional Information 1: 2faf Additional Information 2: 2faf35b3c1a0c7a41e8d9e685f35da4f Additional Information 3: d6e5 Additional Information 4: d6e51e6d564152013b0fc66ea811d0db

#8998 obsolete Memory leak in 3d x64 linux addons on windows 7 x64 host when locking screen Wolfram
Description

Systems

  • Windows 7 x64 host
  • Linux (Ubuntu 11.04, x64) guest in a VM with the guest additions installed and 3d turned on. 1 GB of ram, two processors, 128 MB graphics memory allocated to guest. VT/x turned on.

Sympthoms

When locking the Windows 7 (hosts) screen, VM memory consumption gradually and linearly increases by approximately some megabytes every second. After having locked the screen for some minutes (~10-20) the VM takes up 8 GB of ram on my host (having only 8 GB of ram).

Workaround

Turning off 3d acceleration for the guest in VM settings fixes the issue (but guest switches back to Gnome instead of Unity).

Reproducing

  • Boot up with a blank VM with 3d acceleration turned on using the Ubuntu Live CD (and a second disk with the guest addons iso image assigned to the VM)
  • Install guest addons
  • Restart desktop (AltGr+Print+k to restart X, log on using 'ubuntu' username and empty password) (check for active addons by dynamically resizing guest)
  • Check memory consumption
  • Lock screen in Windows 7 host
  • Wait for some minutes, then unlock host
  • Check memory consumption
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