Public bug reported:
This was diagnosed by my system. Not sure what to make of it.
Sometimes the screen just remains black after mode changes etc., and I have to
force a reboot.
rc6 is disabled. This is with kernel 3.0 . Some 3.1 package allowed me to boot
with rc6 enabled, 3.2 doesn't switch on the LCD screen at all, regardless of
rc6 and noapic commandlines.
Let me know if I can help to diagnose this stuff further.
ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: xserver-xorg-video-intel 2:2.15.901-1ubuntu4
ProcVersionSignature: Ubuntu 3.0.0-14.23-generic 3.0.9
Uname: Linux 3.0.0-14-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 1.90-0ubuntu1
Architecture: amd64
Chipset: sandybridge-m-gt2+
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Mon Dec 26 15:44:46 2011
DistUpgraded: Log time: 2011-12-17 14:34:01.587197
DistroCodename: precise
DistroVariant: ubuntu
DuplicateSignature: [sandybridge-m-gt2+] GPU lockup render.IPEHR: 0x7a000002
Ubuntu 12.04
ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:21dd]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
InterpreterPath: /usr/bin/python2.7
MachineType: LENOVO 78595BG
ProcCmdline: /usr/bin/python /usr/share/apport/apport-gpu-error-intel.py
ProcEnviron:
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.0.0-14-generic
root=/dev/mapper/vghostname-cwroot ro noapic resume=/dev/mapper/vghostname-swap
i915.i915_enable_rc6=0 bootdegraded=true
RelatedPackageVersions:
xserver-xorg 1:7.6+7ubuntu7
libdrm2 2.4.27-1ubuntu1
xserver-xorg-video-intel 2:2.15.901-1ubuntu4
SourcePackage: xserver-xorg-video-intel
Title: [sandybridge-m-gt2+] False GPU lockup render.IPEHR: 0x7a000002
UpgradeStatus: Upgraded to precise on 2011-12-17 (9 days ago)
UserGroups:
dmi.bios.date: 06/13/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8GET34WW (1.11 )
dmi.board.name: 78595BG
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr8GET34WW(1.11):bd06/13/2011:svnLENOVO:pn78595BG:pvrThinkPadL520:rvnLENOVO:rn78595BG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 78595BG
dmi.product.version: ThinkPad L520
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu8
version.ia32-libs: ia32-libs 20090808ubuntu32
version.libdrm2: libdrm2 2.4.27-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu4
version.xserver-xorg-core: xserver-xorg-core 2:1.10.4-1ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20111201+b5534a1-1
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-crash false-gpu-hang freeze need-duplicate-check precise
ubuntu
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You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/909061
Title:
[sandybridge-m-gt2+] False GPU lockup render.IPEHR: 0x7a000002
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/909061/+subscriptions
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