The bug is fixed in
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-next/current/.
However notice there is no 32-bit kernel version.
One-shot fix is:
*sudo intel_reg_write 0x9404 0x1800*
which remove pixel flickering for my purpose.
2011/11/18 bugbot 856...@bugs.launchpad.net
We're closing this bug since it is has been some time with no response
from the original reporter. However, if the issue still exists please feel
free to reopen with the requested information. Also, if you could, please
test against the latest development version of Ubuntu, since this confirms
the bug is one we may be able to pass upstream for help.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = Expired
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You received this bug notification because you are subscribed to the bug
report.
https://bugs.launchpad.net/bugs/856741
Title:
[sandybridge-gt1] GPU lockup render.IPEHR: 0xff000720
Status in “xserver-xorg-video-intel” package in Ubuntu:
Expired
Bug description:
artifacts and hungs when gpu is used a little bit
ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-11.17-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 1.22.1-0ubuntu2
Architecture: amd64
Chipset: sandybridge-gt1
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Thu Sep 22 21:07:47 2011
DistUpgraded: Log time: 2011-08-08 22:13:56.922130
DistroCodename: oneiric
DistroVariant: ubuntu
DuplicateSignature: [sandybridge-gt1] GPU lockup render.IPEHR:
0xff000720 Ubuntu 11.10
ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GpuHangFrequency: Several times a day
GpuHangReproducibility: Yes, I can easily reproduce it
GpuHangStarted: Immediately after installing this version of Ubuntu
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated
Graphics Controller [8086:0102] (rev 09) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:844d]
InstallationMedia: Ubuntu 11.10 Oneiric Ocelot - Alpha amd64 (20110730)
InterpreterPath: /usr/bin/python2.7
MachineType: System manufacturer System Product Name
ProcCmdline: /usr/bin/python /usr/share/apport/apport-gpu-error-intel.py
ProcEnviron:
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.0.0-11-generic
root=UUID=0cf1bfb3-c920-4510-9e00-3643388b7f40 ro quiet splash vt.handoff=7
RelatedPackageVersions:
xserver-xorg 1:7.6+7ubuntu7
libdrm2 2.4.26-1ubuntu1
xserver-xorg-video-intel 2:2.15.901-1ubuntu2
SourcePackage: xserver-xorg-video-intel
Title: [sandybridge-gt1] GPU lockup render.IPEHR: 0xff000720
UpgradeStatus: Upgraded to oneiric on 2011-08-15 (38 days ago)
UserGroups:
dmi.bios.date: 02/11/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0806
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8H67-M PRO
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0806:bd02/11/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8H67-MPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
version.compiz: compiz 1:0.9.5.94+bzr2803-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu20
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
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
2:2.15.901-1ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20110411+8378443-1
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https://bugs.launchpad.net/bugs/856741
Title:
[sandybridge-gt1] GPU lockup render.IPEHR: 0xff000720
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