ashishgupta02, it will help immensely if you filed a new report with Ubuntu via a terminal: ubuntu-bug xorg
Please ensure you have the package xdiagnose installed, and that you click the Yes button for attaching additional debugging information. Also, please feel free to subscribe me to 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/1451632 Title: drm:intel_cpu_fifo_underrun_irq_handler [i915] - complete lockups Status in xserver-xorg-video-intel package in Ubuntu: Incomplete Bug description: After updating to vivid, I'm experiencing lockups when visiting certain pages (not sure if it's flash-enabled) with chromium-browser. I see the following in the syslog matching the corresponding time (but don't know whether it's the cause): May 5 11:11:42 michael-acer kernel: [16951.714263] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR* uncleared fifo underrun on pipe A May 5 11:11:42 michael-acer kernel: [16951.714344] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun May 5 11:11:49 michael-acer org.freedesktop.Notifications[1833]: ** (notify-osd:2671): WARNING **: dnd_is_screensaver_active(): Got error "Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, th e reply timeout expired, or the network connection was broken." May 5 11:11:52 michael-acer dbus[759]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop .nm-dispatcher.service' Let me know if I can provide more info. ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2build1 ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3 Uname: Linux 3.19.0-15-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.17.2-0ubuntu1 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: Tue May 5 11:35:03 2015 DistUpgraded: 2015-05-02 09:55:23,389 DEBUG enabling apt cron job DistroCodename: vivid DistroVariant: ubuntu EcryptfsInUse: Yes ExtraDebuggingInterest: Yes GraphicsCard: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a06] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Acer Incorporated [ALI] Device [1025:0a11] InstallationDate: Installed on 2014-09-03 (243 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) MachineType: Acer Peppy ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-15-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash tpm_tis.force=1 vt.handoff=7 SourcePackage: xserver-xorg-video-intel UpgradeStatus: Upgraded to vivid on 2015-05-01 (3 days ago) dmi.bios.date: 10/18/2013 dmi.bios.vendor: coreboot dmi.chassis.type: 3 dmi.chassis.vendor: Acer dmi.modalias: dmi:bvncoreboot:bvr:bd10/18/2013:svnAcer:pnPeppy:pvr1.0:cvnAcer:ct3:cvr: dmi.product.name: Peppy dmi.product.version: 1.0 dmi.sys.vendor: Acer version.compiz: compiz 1:0.9.12.1+15.04.20150410.1-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.60-2 version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.2-0ubuntu1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.2-0ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2build1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1 xserver.bootTime: Tue May 5 11:18:54 2015 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 4402 vendor CMN xserver.version: 2:1.17.1-0ubuntu3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1451632/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
