Xorg crashed with SIGSEGV

[Michael]

1) Ubuntu 10.04 RC (amd64)
2) Package Versions:

$ apt-cache policy xserver-xorg xserver-xorg-core

xserver-xorg:
  Installed: 1:7.5+5ubuntu1
  Candidate: 1:7.5+5ubuntu1
  Version table:
 *** 1:7.5+5ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ lucid/main Packages
        100 /var/lib/dpkg/status

xserver-xorg-core:
  Installed: 2:1.7.6-2ubuntu7
  Candidate: 2:1.7.6-2ubuntu7
  Version table:
 *** 2:1.7.6-2ubuntu7 0
        500 http://us.archive.ubuntu.com/ubuntu/ lucid/main Packages
        100 /var/lib/dpkg/status

3) Expected: Boot without crash report.

4) Instead: This xorg crash report shows up in my gnome panel. Everything appears to be working fine...

Note:
 - VM: VirtualBox 3.1.6
 - VM (guest): Ubuntu 10.04 RC (amd64)
 - VM (host): Windows 7 x64
 - guest additions are installed in Ubuntu
 - compiz is enabled in Ubuntu, desktop effects set to normal

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: xserver-xorg-core 2:1.7.6-2ubuntu7
ProcVersionSignature: Ubuntu 2.6.32-21.32-preempt 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-preempt x86_64
Architecture: amd64
CrashCounter: 1
Date: Wed Apr 28 19:15:13 2010
Disassembly: => 0x7fd64bdc9de7: Cannot access memory at address 0x7fd64bdc9de7
DkmsStatus:
 vboxvideo, 3.1.6, 2.6.32-21-preempt, x86_64: installed
 vboxvfs, 3.1.6, 2.6.32-21-preempt, x86_64: installed
 vboxguest, 3.1.6, 2.6.32-21-preempt, x86_64: installed
ExecutablePath: /usr/bin/Xorg
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Release Candidate amd64 (20100419.1)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: innotek GmbH VirtualBox
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-preempt root=UUID=4ab69bd7-ce4d-4c6d-89ec-5b1c7217315d ro quiet splash
ProcCmdline: /usr/bin/X :0 -nr -verbose -auth /var/run/gdm/auth-for-gdm-o2a5gc/database -nolisten tcp vt7
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
SegvAnalysis:
 Segfault happened at: 0x7fd64bdc9de7: Cannot access memory at address 0x7fd64bdc9de7
 PC (0x7fd64bdc9de7) ok
 SP (0x7fff837d8320) ok
 Reason could not be automatically determined.
Signal: 11
SourcePackage: xorg-server
Stacktrace:
 #0 0x00007fd64bdc9de7 in ?? ()
 No symbol table info available.
 Cannot access memory at address 0x7fff837d8320
StacktraceTop: ?? ()
ThreadStacktrace:
 .
 Thread 1 (Thread 719):
 #0 0x00007fd64bdc9de7 in ?? ()
 No symbol table info available.
 Cannot access memory at address 0x7fff837d8320
Title: Xorg crashed with SIGSEGV
UserGroups:

dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro: Ubuntu
 codename: lucid
 architecture: x86_64
 kernel: 2.6.32-21-preempt

[Apport retracing service (apport)]

Stacktrace:
 #0 0x00007fd64bdc9de7 in ?? ()
 No symbol table info available.
 Cannot access memory at address 0x7fff837d8320
StacktraceTop: ?? ()
ThreadStacktrace:

[Timo Aaltonen (tjaalton)]

Suspecting it was the vbox video driver failing. Have you seen this on a newer release?

[Launchpad Janitor (janitor)]

[Expired for virtualbox-ose (Ubuntu) because there has been no activity for 60 days.]