(In reply to comment #18) > Created attachment 93534 [details] > crash dump when using patch from comment #13 > > Tried patch from comment #13 . Apparently it didn't solved the issue,
That's actually reassuring. The crash dump shows that the patch is working and the GPU is awake, so forcewake is definitely not an issue here. > but > there is some notable change: usually I was able to spot the hang because > everything freeze, only the mouse moves. Eventually and often, for some very > weird reason, firefox fonts are corrupted, some latin letter is replaced > with non latin one or anyway some other symbol, the only fix is to restart > firefox. This time just the latter happened. Luckly I checked dmesg and I > saw the "stuck at render ring" notification. That just sounds like the usual dangers with a hung gpu and discarding work before resetting. (We have plans to fix it.) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1274779 Title: [ivb] hang on pageflip (IPEHR: 0x0a000001) Status in X.org xf86-video-intel: Confirmed Status in “xserver-xorg-video-intel” package in Ubuntu: Confirmed Bug description: False GPU lockup IPEHR: 0x0a000001 ProblemType: Crash DistroRelease: Ubuntu 14.04 Package: xserver-xorg-video-intel 2:2.99.907-0ubuntu1 ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0 Uname: Linux 3.13.0-5-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.13.2-0ubuntu2 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Wed Jan 29 23:32:19 2014 DistUpgraded: 2013-12-25 22:45:46,524 DEBUG enabling apt cron job DistroCodename: trusty DistroVariant: ubuntu DuplicateSignature: GPU lockup IPEHR: 0x0a000001 Ubuntu 14.04 ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py ExtraDebuggingInterest: Yes GraphicsCard: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device [17aa:21f4] NVIDIA Corporation GF108M [NVS 5400M] [10de:0def] (rev a1) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device [17aa:21f4] InstallationDate: Installed on 2013-05-30 (245 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) InterpreterPath: /usr/bin/python3.3 MachineType: LENOVO 2342CTO ProcCmdline: /usr/bin/python3 /usr/share/apport/apport-gpu-error-intel.py ProcEnviron: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-5-generic root=UUID=db82f5ed-cf1b-4bea-bcd8-8ec4fb76a850 ro acpi_backlight=vendor acpi_osi=Linux quiet splash i915.i915_enable_rc6=1 pcie_aspm=force vt.handoff=7 RelatedPackageVersions: xserver-xorg 1:7.7+1ubuntu7 libdrm2 2.4.52-1 xserver-xorg-video-intel 2:2.99.907-0ubuntu1 SourcePackage: xserver-xorg-video-intel Title: False GPU lockup IPEHR: 0x0a000001 UpgradeStatus: Upgraded to trusty on 2013-12-26 (35 days ago) UserGroups: dmi.bios.date: 10/19/2012 dmi.bios.vendor: LENOVO dmi.bios.version: G1ET73WW (2.09 ) dmi.board.asset.tag: Not Available dmi.board.name: 2342CTO dmi.board.vendor: LENOVO dmi.board.version: Win8 STD DPK TPG dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrG1ET73WW(2.09):bd10/19/2012:svnLENOVO:pn2342CTO:pvrThinkPadT430:rvnLENOVO:rn2342CTO:rvrWin8STDDPKTPG:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 2342CTO dmi.product.version: ThinkPad T430 dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.52-1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.0.1-1ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.0.1-1ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.14.5-1ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.907-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu1 xserver.bootTime: Thu Jan 30 20:19:46 2014 xserver.configfile: default xserver.errors: Failed to load module "nvidia" (module does not exist, 0) Failed to load module "nvidia" (module does not exist, 0) NOUVEAU(G0): [XvMC] Failed to initialize extension. xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 8510 vendor AUO xserver.version: 2:1.14.5-1ubuntu2 To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1274779/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp