it happen by surfing on Firefox and Chrome, often when i use Chrome!
ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: xserver-xorg-video-intel 2:2.20.6-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-14.15-generic 3.5.3
Uname: Linux 3.5.0-14-generic x86_64
ApportVersion: 2.5.1-0ubuntu7
Architecture: amd64
Chipset: gm45
Date: Sat Sep 8 14:22:34 2012
DistroCodename: quantal
DistroVariant: ubuntu
DuplicateSignature: [gm45] GPU lockup IPEHR: 0x0bd4a001 Ubuntu 12.10
ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py
GpuHangFrequency: Very infrequently
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
InterpreterPath: /usr/bin/python3.2mu
MachineType: Acer Aspire 5735
ProcCmdline: /usr/bin/python3 /usr/share/apport/apport-gpu-error-intel.py
ProcEnviron:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-14-generic root=UUID=36a4ebbd-c0bc-4bf0-9358-ae3be1177327 ro quiet splash vt.handoff=7
RelatedPackageVersions:
xserver-xorg 1:7.7+1ubuntu3
libdrm2 2.4.39-0ubuntu1
xserver-xorg-video-intel 2:2.20.6-0ubuntu1
SourcePackage: xserver-xorg-video-intel
Title: [gm45] GPU lockup IPEHR: 0x0bd4a001
UdevDb: Error: [Errno 2] No such file or directory: 'udevadm'
UpgradeStatus: Upgraded to quantal on 2012-09-07 (0 days ago)
UserGroups:
dmi.bios.date: 12/04/2008
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.10
dmi.board.name: CathedralPeak
dmi.board.vendor: Acer
dmi.board.version: Rev
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.10:bd12/04/2008:svnAcer:pnAspire5735:pvr0100:rvnAcer:rnCathedralPeak:rvrRev:cvnAcer:ct10:cvrN/A:
dmi.product.name: Aspire 5735
dmi.product.version: 0100
dmi.sys.vendor: Acer
This might be the same as bug 1043562, which is a common known issue upstream. See that bug for workarounds and next steps for analysis.