Xorg crashed with SIGSEGV in EvdevMBEmuTimer()

[vietanh]

xorg error

ProblemType: Crash
Architecture: i386
CurrentDmesg:
 Error: command ['sh', '-c', 'dmesg | comm -13 /var/log/dmesg -'] failed with exit code 1: [ 161.587014] ondemand governor failed, too long transition latency of HW, fallback to performance governor
 comm: file 2 is not in sorted order
Date: Wed Sep 23 13:35:36 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/Xorg
Lsusb:
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 002: ID 15d9:0a37 Unknown Mouse
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: IBM 2647xxs
Package: xserver-xorg-core 2:1.6.3-1ubuntu6
PccardctlIdent:
 Socket 0:
   no product info available
 Socket 1:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
 Socket 1:
   no card
ProcCmdLine: root=UUID=abc6eac9-bd98-49d3-b3c6-5ebbdd84c052 ro quiet vga=828 splash
ProcCmdline: /usr/bin/X :0 -br -verbose -auth /var/run/gdm/auth-for-gdm-3EIPZo/database -nolisten tcp vt7
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 LANGUAGE=en_US:en
ProcVersionSignature: Ubuntu 2.6.31-10.35-generic
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu5
 libgl1-mesa-glx 7.6.0~git20090817.7c422387-0ubuntu5
 libdrm2 2.4.13-1ubuntu1
 xserver-xorg-video-intel 2:2.8.1-1ubuntu1
 xserver-xorg-video-ati 1:6.12.99+git20090825.fc74e119-0ubuntu2
SegvAnalysis:
 Segfault happened at: 0x967fcf <EvdevMBEmuTimer+63>: movsbl 0xc(%edi,%edx,1),%edx
 PC (0x00967fcf) ok
 source "0xc(%edi,%edx,1)" (0x82d81fff) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: xorg-server
StacktraceTop:
 EvdevMBEmuTimer ()
 EvdevMBEmuWakeupHandler ()
 WakeupHandler ()
 WaitForSomething ()
 Dispatch ()
Title: Xorg crashed with SIGSEGV in EvdevMBEmuTimer()
Uname: Linux 2.6.31-10-generic i686
UserGroups:

dmi.bios.date: 10/18/2006
dmi.bios.vendor: IBM
dmi.bios.version: 1AET64WW (1.20 )
dmi.board.name: 2647xxs
dmi.board.vendor: IBM
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: IBM
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnIBM:bvr1AET64WW(1.20):bd10/18/2006:svnIBM:pn2647xxs:pvrNotAvailable:rvnIBM:rn2647xxs:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
dmi.product.name: 2647xxs
dmi.product.version: Not Available
dmi.sys.vendor: IBM
fglrx: Not loaded
system:
 distro: Ubuntu
 architecture: i686kernel: 2.6.31-10-generic