Thank you for reporting this bug to Ubuntu. Ubuntu 15.04 (vivid) reached end-of-life on February 4, 2016. Ubuntu 14.10 (utopic) reached end-of-life on July 23, 2015.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in and change the bug status to Confirmed. ** Changed in: xorg (Ubuntu) Status: Triaged => Won't Fix -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1444268 Title: [Lenovo ThinkPad T400] Screen corruption Status in xorg package in Ubuntu: Won't Fix Bug description: I often perceive massive screen corruption, most prominently in Firefox / GMail, but it may happen with any application, including terminals. Sometimes oversized letters appear. I run video stress tests, but they run without errors. I suspect the problem presents when many text needs to be rendered on-screen, as odd as it sounds. I will attach screenshots. ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: xorg 1:7.7+7ubuntu2 ProcVersionSignature: Ubuntu 3.16.0-34.45-generic 3.16.7-ckt8 Uname: Linux 3.16.0-34-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.14.7-0ubuntu8.2 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: Wed Apr 15 07:23:31 2015 DistUpgraded: 2014-11-11 12:36:03,224 DEBUG enabling apt cron job DistroCodename: utopic DistroVariant: ubuntu ExtraDebuggingInterest: Yes, including running git bisection searches GraphicsCard: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device [17aa:20e4] Subsystem: Lenovo Device [17aa:20e4] InstallationDate: Installed on 2014-06-10 (308 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: LENOVO 6474B84 PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-34-generic root=/dev/mapper/thinkvg-rootlv ro rootflags=subvol=@ SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to utopic on 2014-11-11 (154 days ago) dmi.bios.date: 10/17/2012 dmi.bios.vendor: LENOVO dmi.bios.version: 7UET94WW (3.24 ) dmi.board.name: 6474B84 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:bvr7UET94WW(3.24):bd10/17/2012:svnLENOVO:pn6474B84:pvrThinkPadT400:rvnLENOVO:rn6474B84:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 6474B84 dmi.product.version: ThinkPad T400 dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.56-1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.2-0ubuntu0.1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.2-0ubuntu0.1 version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1.3 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu4.2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2 xserver.bootTime: Sat Apr 11 00:20:40 2015 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 16435 vendor LEN xserver.version: 2:1.16.0-1ubuntu1.3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1444268/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
