Same problem here, ehile working, usualy in web browser, system freezes for couple of seconds, and after it unfreezes fonts are corrupt and most letters are replaced by some sort of symbols. It can be fixed by rebooting the system. Error occurs on a daily basis.
I use a Haswell Pentium G3420 and integratet graphics card. -- 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/1330385 Title: Intel GPU crash corrupts fonts Status in xserver-xorg-video-intel package in Ubuntu: Confirmed Bug description: The bug occurs regularly, without any special action. I'm just working in gnome-terminal und using Firefox. Symptoms: * While working, the system suddenly freezes for a few seconds (like a typical crash in the X system) * Then I can continue work, but with corrupted fonts and views * New windows are sometimes readable again Don't know if the package is correct. Dmesg shows: [ 3647.214489] [drm] stuck on render ring [ 3647.214499] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ 3647.214500] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 3647.214501] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 3647.214502] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 3647.214502] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: xorg 1:7.7+1ubuntu8 ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2 Uname: Linux 3.13.0-29-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.14.1-0ubuntu3.2 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 CurrentDesktop: Unity Date: Mon Jun 16 10:22:11 2014 DistUpgraded: Fresh install DistroCodename: trusty DistroVariant: ubuntu DkmsStatus: virtualbox, 4.3.10, 3.13.0-24-generic, x86_64: installed virtualbox, 4.3.10, 3.13.0-27-generic, x86_64: installed virtualbox, 4.3.10, 3.13.0-29-generic, x86_64: installed ExtraDebuggingInterest: Yes GraphicsCard: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device [17aa:21fb] InstallationDate: Installed on 2014-05-12 (34 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: LENOVO 2356LQG ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-29-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/30/2013 dmi.bios.vendor: LENOVO dmi.bios.version: G7ET94WW (2.54 ) dmi.board.asset.tag: Not Available dmi.board.name: 2356LQG dmi.board.vendor: LENOVO dmi.board.version: Win8 Pro 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:bvrG7ET94WW(2.54):bd04/30/2013:svnLENOVO:pn2356LQG:pvrThinkPadT430s:rvnLENOVO:rn2356LQG:rvrWin8ProDPKTPG:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 2356LQG dmi.product.version: ThinkPad T430s dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.11+14.04.20140423-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.52-1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.1 version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2 xserver.bootTime: Mon Jun 16 09:15:09 2014 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 8510 vendor AUO xserver.version: 2:1.15.1-0ubuntu2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1330385/+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
