[sandybridge-m-gt2] GPU lockup IPEHR: 0xffffe44b IPEHR: 0x0b140001

[Marko]

Reports about this are popping every 5 seconds and I can't get rid of them.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
ProcVersionSignature: Ubuntu 3.5.0-26.42-generic 3.5.7.6
Uname: Linux 3.5.0-26-generic x86_64
ApportVersion: 2.6.1-0ubuntu10
Architecture: amd64
Chipset: sandybridge-m-gt2
Date: Sat Mar 23 14:16:35 2013
DistroCodename: quantal
DistroVariant: ubuntu
DuplicateSignature: [sandybridge-m-gt2] GPU lockup IPEHR: 0xffffe44b IPEHR: 0x0b140001 Ubuntu 12.10
ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py
GpuHangFrequency: Once a week
InstallationDate: Installed on 2012-09-13 (191 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
InterpreterPath: /usr/bin/python3.2mu
MachineType: Acer Aspire 5755G
MarkForUpload: True
ProcCmdline: /usr/bin/python3 /usr/share/apport/apport-gpu-error-intel.py
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-26-generic root=UUID=36c6849a-bcfa-4a5d-9f05-c3011a6453ea ro acpi_osi=Linux quiet splash acpi_backlight=vendor
RelatedPackageVersions:
 xserver-xorg 1:7.7+1ubuntu4
 libdrm2 2.4.39-0ubuntu1
 xserver-xorg-video-intel 2:2.20.9-0ubuntu2
SourcePackage: xserver-xorg-video-intel
Title: [sandybridge-m-gt2] GPU lockup IPEHR: 0xffffe44b IPEHR: 0x0b140001
UdevDb: Error: [Errno 2] No such file or directory: 'udevadm'
UpgradeStatus: Upgraded to quantal on 2012-10-22 (152 days ago)
UserGroups:

dmi.bios.date: 03/16/2012
dmi.bios.vendor: Acer
dmi.bios.version: V1.20
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: JV51_HR
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.20
dmi.modalias: dmi:bvnAcer:bvrV1.20:bd03/16/2012:svnAcer:pnAspire5755G:pvrV1.20:rvnAcer:rnJV51_HR:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.20:
dmi.product.name: Aspire 5755G
dmi.product.version: V1.20
dmi.sys.vendor: Acer

[Chris Wilson (ickle)]

TLB invalidate bug...