*** This bug is a duplicate of bug 1020393 ***
    https://bugs.launchpad.net/bugs/1020393

I think the underlying bug here is the PGTBL_ER: 0x2 which is an invalid
PTE for host access. Utterly baffling - the only hope is that the
rearrangement of mb() in drm-intel-nightly (ppa:mainline) help. If you
have a reasonably reliable test case, trying drm-intel-nightly would be
of tremendous help.

** This bug has been marked a duplicate of bug 1020393
   [i945gm] GPU lockup  EIR: 0x00000010 PGTBL_ER: 0x00000102

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1131239

Title:
  [945gm] PGTBL_ER: 0x00000102

Status in “xserver-xorg-video-intel” package in Ubuntu:
  Confirmed

Bug description:
  There is no apparent issue. This error message occurs upon reboot or
  login. System performance is not visibly affected.

  Ubuntu Raring Ringtail (development branch)
  Release:      13.04

  There is no software package, tis seems to be a hardware issue.


  [i945gm] False GPU lockup  EIR: 0x00000010 PGTBL_ER: 0x00000102

  ProblemType: Crash
  DistroRelease: Ubuntu 13.04
  Package: xserver-xorg-video-intel 2:2.21.2-0ubuntu1
  ProcVersionSignature: Ubuntu 3.8.0-6.13-generic 3.8.0-rc7
  Uname: Linux 3.8.0-6-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.8-0ubuntu4
  Architecture: amd64
  BootDmesg: (Nothing has been logged yet.)
  Chipset: i945gm
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  Date: Thu Feb 21 00:15:38 2013
  DistUpgraded: Fresh install
  DistroCodename: raring
  DistroVariant: ubuntu
  DuplicateSignature: [i945gm] GPU lockup  EIR: 0x00000010 PGTBL_ER: 0x00000102 
Ubuntu 13.04
  ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics 
Controller [8086:27a2] (rev 03) (prog-if 00 [VGA controller])
     Subsystem: Intel Corporation Device [8086:7270]
     Subsystem: Intel Corporation Device [8086:7270]
  InstallationDate: Installed on 2013-02-21 (0 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64+mac 
(20130220.2)
  InterpreterPath: /usr/bin/python3.3
  MachineType: Apple Inc. MacBook2,1
  MarkForUpload: True
  ProcCmdline: /usr/bin/python3 /usr/share/apport/apport-gpu-error-intel.py
  ProcEnviron:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-6-generic 
root=UUID=6d600dbb-165a-4a99-a3ae-bf517c99ff75 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   xserver-xorg             1:7.7+1ubuntu4
   libdrm2                  2.4.42-0ubuntu1
   xserver-xorg-video-intel 2:2.21.2-0ubuntu1
  SourcePackage: xserver-xorg-video-intel
  Title: [i945gm] False GPU lockup  EIR: 0x00000010 PGTBL_ER: 0x00000102
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 06/27/07
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MB21.88Z.00A5.B07.0706270922
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Mac-F4208CA9
  dmi.board.vendor: Apple Inc.
  dmi.board.version: PVT
  dmi.chassis.asset.tag: Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-F4208CA9
  dmi.modalias: 
dmi:bvnAppleInc.:bvrMB21.88Z.00A5.B07.0706270922:bd06/27/07:svnAppleInc.:pnMacBook2,1:pvr1.0:rvnAppleInc.:rnMac-F4208CA9:rvrPVT:cvnAppleInc.:ct10:cvrMac-F4208CA9:
  dmi.product.name: MacBook2,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.
  version.compiz: compiz 1:0.9.9~daily13.02.19-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.42-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0.2-0ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0.2-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.2-0ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.2-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.6-0ubuntu3
  xserver.bootTime: Thu Feb 21 07:59:08 2013
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.13.2-0ubuntu2
  xserver.video_driver: intel

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