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[myq <853011@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Happens at random intervals, for no apparent reason. Happens more often
with Compiz using direct rendering. However, using indirect rendering
leads to a memory leak which eventually crashes the system.

indicative log files :
Sep 18 17:34:03 4720z kernel: [104860.304046] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
Sep 18 17:34:03 4720z kernel: [104860.305565] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -11 (awaiting 6553827 at 6553809, next 6553842)
Sep 18 17:34:03 4720z kernel: [104860.306203] [drm:init_ring_common] *ERROR* render ring initialization failed ctl 00000000 head 00000000 tail 00000000 start 00000000
Sep 18 17:34:03 4720z kernel: [104860.467500] [drm:i915_do_wait_request] *ERROR* something (likely vbetool) disabled interrupts, re-enabling
Sep 18 17:34:03 4720z kernel: [104860.469614] [drm:i915_do_wait_request] *ERROR* something (likely vbetool) disabled interrupts, re-enabling
Sep 18 17:34:03 4720z kernel: [104860.473626] [drm:i915_do_wait_request] *ERROR* something (likely vbetool) disabled interrupts, re-enabling
Sep 18 17:34:03 4720z kernel: [104860.483382] [drm:i915_do_wait_request] *ERROR* something (likely vbetool) disabled interrupts, re-enabling
Sep 18 17:34:03 4720z kernel: [104860.493626] [drm:i915_do_wait_request] *ERROR* something (likely vbetool) disabled interrupts, re-enabling
Sep 18 17:34:03 4720z kernel: [104860.495083] [drm:i915_do_wait_request] *ERROR* something (likely vbetool) disabled interrupts, re-enabling
Sep 18 17:34:03 4720z kernel: [104860.506720] [drm:i915_do_wait_request] *ERROR* something (likely vbetool) disabled interrupts, re-enabling
Sep 18 17:34:03 4720z kernel: [104860.513635] [drm:i915_do_wait_request] *ERROR* something (likely vbetool) disabled interrupts, re-enabling

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: xserver-xorg-video-intel 2:2.14.0-4ubuntu7.1
ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic i686
Architecture: i386
Chipset: i965gm
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
Date: Sun Sep 18 17:34:26 2011
DistUpgraded: Log time: 2011-05-02 18:24:17.572475
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus:
 virtualbox-ose, 4.0.4, 2.6.38-8-generic, i686: installed 
 virtualbox-ose, 4.0.4, 2.6.38-11-generic, i686: installed 
 virtualbox-ose, 4.0.4, 2.6.38-10-generic, i686: installed
ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py
GdmLog2: X: /tmp/.X11-unix has suspicious mode (not 1777) or is not a directory, aborting.
GraphicsCard:
 Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (primary) [8086:2a02] (rev 03) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:011d]
   Subsystem: Acer Incorporated [ALI] Device [1025:011d]
InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Release i386 (20100429.4)
InterpreterPath: /usr/bin/python2.7
MachineType: Acer, inc. Aspire 4720Z
ProcCmdline: /usr/bin/python /usr/share/apport/apport-gpu-error-intel.py
ProcEnviron:
 
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-11-generic root=UUID=8fd0ae1b-f68f-46d7-91a9-7fc0a6f0bd1e ro splash vga=789 quiet splash resume=/dev/sda6 vt.handoff=7
ProcKernelCmdLine_: BOOT_IMAGE=/boot/vmlinuz-2.6.38-11-generic root=UUID=8fd0ae1b-f68f-46d7-91a9-7fc0a6f0bd1e ro splash vga=789 quiet splash resume=/dev/sda6 vt.handoff=7
RelatedPackageVersions:
 xserver-xorg             1:7.6+4ubuntu3.1
 libdrm2                  2.4.23-1ubuntu6
 xserver-xorg-video-intel 2:2.14.0-4ubuntu7.1
Renderer: Unknown
SourcePackage: xserver-xorg-video-intel
Title: [i965gm] GPU lockup
UpgradeStatus: Upgraded to natty on 2011-05-02 (138 days ago)
UserGroups:
 
dmi.bios.date: 02/18/2008
dmi.bios.vendor: Acer
dmi.bios.version: v1.3808
dmi.board.name: Nestos
dmi.board.vendor: Acer, Inc.
dmi.board.version: Not Applicable
dmi.chassis.type: 1
dmi.chassis.vendor: Acer, Inc.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAcer:bvrv1.3808:bd02/18/2008:svnAcer,inc.:pnAspire4720Z:pvrNotApplicable:rvnAcer,Inc.:rnNestos:rvrNotApplicable:cvnAcer,Inc.:ct1:cvrN/A:
dmi.product.name: Aspire 4720Z
dmi.product.version: Not Applicable
dmi.sys.vendor: Acer, inc.
version.compiz: compiz 1:0.9.4+bzr20110606-0ubuntu1~natty2
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu2
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3.1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4.1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-crash compiz-0.9 freeze i386 natty ubuntu

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https://bugs.launchpad.net/bugs/853011

Title:
  [i965gm] GPU lockup

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