Xorg crashed with SIGSEGV in <signal handler called>()

[Bordi]

Description: Ubuntu karmic (development branch)
Release: 9.10

ProblemType: Crash
Architecture: amd64
CurrentDmesg:

Date: Sun Aug 9 07:01:06 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/Xorg
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: innotek GmbH VirtualBox
Package: xserver-xorg-core 2:1.6.3-1ubuntu1
PciDisplay:
 00:02.0 VGA compatible controller [0300]: InnoTek Systemberatung GmbH VirtualBox Graphics Adapter [80ee:beef]
  Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
  Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
  Latency: 64
  Region 0: Memory at e0000000 (32-bit, prefetchable) [size=128M]
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.29.6-1-rt root=UUID=327da61b-5b47-4d46-bac0-0a95641f0214 ro quiet splash
ProcCmdline: /usr/bin/X :0 -br -verbose -auth /var/run/gdm/auth-for-gdm-gho8vR/database -nolisten tcp vt7
ProcEnviron:
 LANG=de_CH.UTF-8
 PATH=(custom, no user)
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu5
 libgl1-mesa-glx 7.5-1ubuntu1
 libdrm2 2.4.12-1ubuntu1
 xserver-xorg-video-intel 2:2.8.0-0ubuntu2
 xserver-xorg-video-ati 1:6.12.99+git20090629.f39cafc5-0ubuntu5
SegvAnalysis:
 Segfault happened at: 0x7fb4d13bdeef: cmpb $0x48,(%rax)
 PC (0x7fb4d13bdeef) ok
 source "$0x48" ok
 destination "(%rax)" (0x7fb4d39e5eb0) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: xorg-server
StacktraceTop:
 ?? ()
 <signal handler called>
 select () from /lib/libc.so.6
 WaitForSomething ()
 Dispatch ()
Title: Xorg crashed with SIGSEGV in <signal handler called>()
Uname: Linux 2.6.29.6-1-rt x86_64
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
fglrx: Not loaded
system:
 distro: Ubuntu
 architecture: x86_64kernel: 2.6.29.6-1-rt

[Apport retracing service (apport)]

StacktraceTop:?? ()
<signal handler called>
__select_nocancel () from /lib/libc.so.6
WaitForSomething (
Dispatch () at ../../dix/dispatch.c:367