Comment 64 for bug 686388

Forwarding this bug from Ubuntu reporter pschonmann:
http://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/686388

[Problem]
One-time crash occurred while using firefox. Steps to reproduce are unknown.

[i965gm] GPU lockup - Invalid GTT entry during Display B Fetch

[Original Description]
Crashed, when i was reporting https://bugs.launchpad.net/ubuntu/+source/apt-xapian-index/+bug/686386

This bug appear only one time... yet
No changes in HW / SW, just updating to latest nattys packages
I did not make any unusual things, just run update manager and update packages.

---
Time: 1291713055 s 678993 us
PCI ID: 0x2a02
EIR: 0x00000010
  PGTBL_ER: 0x00000100
    Invalid GTT entry during Display B Fetch
  INSTPM: 0x00000000
  IPEIR: 0x00000000
  IPEHR: 0x00000000
  INSTDONE: 0xffe5fafe
    busy: Projection and LOD
    busy: Bypass FIFO
    busy: Color calculator
  ACTHD: 0x00000000
  INSTPS: 0x00100000
  INSTDONE1: 0x000fffff
---

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: xserver-xorg-video-intel 2:2.13.901-2ubuntu1
ProcVersionSignature: Ubuntu 2.6.37-7.19-generic 2.6.37-rc3
Uname: Linux 2.6.37-7-generic x86_64
Architecture: amd64
Chipset: i965gm
DRM.card0.DVI.D.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1440x900 1440x900 1024x768 800x600 640x480
 edid-base64: AP///////wAwrjNAAAAAAAAPAQOAHhN46s11kVVPiyYhUFQhCAABAQEBAQEBAQEBAQEBAQEBMiagQFGEGjAwIDYAL74QAAAZ1R+gQFGEGjAwIDYAL74QAAAZAAAADwCQCjKQCigUAQBMo1dEAAAA/gBMVE4xNDFXRC1MMDUKAKY=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Tue Dec 7 10:10:58 2010
DumpSignature: 94ada031 (EIR: 0x00000010)
ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
InterpreterPath: /usr/bin/python2.6
MachineType: LENOVO 7661CH8
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdline: /usr/bin/python /usr/share/apport/apport-gpu-error-intel.py
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.37-7-generic root=UUID=a3d37e1f-bbf7-4766-b8cb-22b445b6e7e0 ro quiet splash
ProcKernelCmdLine_: BOOT_IMAGE=/boot/vmlinuz-2.6.37-7-generic root=UUID=a3d37e1f-bbf7-4766-b8cb-22b445b6e7e0 ro quiet splash
SourcePackage: xserver-xorg-video-intel
Title: [i965gm] GPU lockup 94ada031 (EIR: 0x00000010)
UserGroups:

dmi.bios.date: 04/08/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 7LETC7WW (2.27 )
dmi.board.name: 7661CH8
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: BB70301820
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7LETC7WW(2.27):bd04/08/2010:svnLENOVO:pn7661CH8:pvrThinkPadT61:rvnLENOVO:rn7661CH8:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 7661CH8
dmi.product.version: ThinkPad T61
dmi.sys.vendor: LENOVO
glxinfo: Error: [Errno 2] No such file or directory
system:
  codename: natty
 architecture: x86_64
 kernel: 2.6.37-7-generic