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 0x00001800* which remove pixel flickering for my purpose. 2011/11/18 bugbot <863...@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 > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/863045 > > Title: > [sandybridge-gt1] GPU lockup render.IPEHR: 0xff2c001e > > Status in “xserver-xorg-video-intel” package in Ubuntu: > Expired > > Bug description: > It happens during lunching programs from unity left panel. (Gnome > Terminal for instance) > > ProblemType: Crash > DistroRelease: Ubuntu 11.10 > Package: xserver-xorg-video-intel 2:2.15.901-1ubuntu2 > ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4 > Uname: Linux 3.0.0-11-generic x86_64 > .tmp.unity.support.test.0: > > ApportVersion: 1.23-0ubuntu1 > Architecture: amd64 > Chipset: sandybridge-gt1 > CompizPlugins: > [core,bailer,detection,composite,opengl,compiztoolbox,decor,regex,place,grid,resize,gnomecompat,imgpng,vpswitch,snap,session,animation,move,workarounds,mousepoll,unitymtgrabhandles,wall,expo,fade,ezoom,scale,unityshell] > CompositorRunning: compiz > Date: Fri Sep 30 08:20:36 2011 > DistUpgraded: Log time: 2011-08-08 22:13:56.922130 > DistroCodename: oneiric > DistroVariant: ubuntu > DuplicateSignature: [sandybridge-gt1] GPU lockup render.IPEHR: > 0xff2c001e Ubuntu 11.10 > ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py > ExtraDebuggingInterest: Yes, if not too technical > GpuHangFrequency: Several times a day > GpuHangReproducibility: Seems to happen randomly > GpuHangStarted: Within the last few days > 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: 0xff2c001e > UpgradeStatus: Upgraded to oneiric on 2011-08-15 (45 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+bzr20110919-0ubuntu1 > version.ia32-libs: ia32-libs 20090808ubuntu23 > 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 > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/863045/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/863045 Title: [sandybridge-gt1] GPU lockup render.IPEHR: 0xff2c001e To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/863045/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
