This seems to be happening to me also on 14.04, GeForce 6600 AGP, Nouveau. I'm now going to try and add "nomodeset" to my kernel options and see if that helps (as suggested here: http://askubuntu.com/questions/205021/how-to-solve-gpu-lockup-switching- to-software-fbcon-on-new-install-of-12-10)
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1291574 Title: nouveau DRM GPU lockup, PFIFO unhandled status 0x00800000 Status in xserver-xorg-video-nouveau package in Ubuntu: Confirmed Bug description: Usually seen on large screen transitions, often in browser windows. Display freezes, and processes disappear. klog starts with nouveau ![ PFIFO][0000:01:00.0] unhandled status 0x00800000 nouveau E[ DRM] GPU lockup - switching to software fbcon and thereafter fills with nouveau E[Xorg[1868]] failed to idle channel 0xcccc0001 [Xorg[1868]] nouveau E[Xorg[1868]] failed to idle channel 0xcccc0001 [Xorg[1868]] nouveau E[ PFIFO][0000:01:00.0] playlist 0 update timeout nouveau E[Xorg[1868]] failed to idle channel 0xcccc0000 [Xorg[1868]] nouveau E[Xorg[1868]] failed to idle channel 0xcccc0000 [Xorg[1868]] nouveau E[ PFIFO][0000:01:00.0] channel 2 [Xorg[1868]] kick timeout nouveau E[ PFIFO][0000:01:00.0] channel 2 [Xorg[1868]] kick timeout nouveau E[ PFIFO][0000:01:00.0] playlist 0 update timeout repeated about every 150 seconds. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2 ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5 Uname: Linux 3.13.0-16-generic i686 .tmp.unity.support.test.1: ApportVersion: 2.13.3-0ubuntu1 Architecture: i386 CompizPlugins: [core,bailer,detection,composite,opengl,decor,regex,snap,imgpng,move,animation,mousepoll,compiztoolbox,resize,grid,unitymtgrabhandles,workarounds,gnomecompat,vpswitch,place,expo,wall,fade,ezoom,session,scale,unityshell] CompositorRunning: None Date: Wed Mar 12 15:10:37 2014 DistUpgraded: 2010-09-09 17:07:06,366 DEBUG enabling apt cron job DistroCodename: trusty DistroVariant: ubuntu ExtraDebuggingInterest: Yes, including running git bisection searches GraphicsCard: NVIDIA Corporation GK107 [GeForce GTX 650] [10de:0fc6] (rev a1) (prog-if 00 [VGA controller]) Subsystem: eVga.com. Corp. Device [3842:2650] LightdmGreeterLog: (lightdm-gtk-greeter:5159): Gtk-CRITICAL **: gtk_container_foreach: assertion 'GTK_IS_CONTAINER (container)' failed (lightdm-gtk-greeter:5159): Gtk-CRITICAL **: gtk_container_foreach: assertion 'GTK_IS_CONTAINER (container)' failed (lightdm-gtk-greeter:5159): Gtk-CRITICAL **: gtk_container_foreach: assertion 'GTK_IS_CONTAINER (container)' failed MachineType: MSI MS-7673 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-16-generic root=UUID=44b47c66-6a6d-465d-a0b6-e03e703616cb ro nomdmonddf nomdmonisw nomdmonddf nomdmonisw SourcePackage: xserver-xorg-video-nouveau UpgradeStatus: Upgraded to trusty on 2010-09-09 (1279 days ago) dmi.bios.date: 03/31/2011 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: V1.10 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: P67A-C43 (MS-7673) dmi.board.vendor: MSI dmi.board.version: 1.0 dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: MSI dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.10:bd03/31/2011:svnMSI:pnMS-7673:pvr1.0:rvnMSI:rnP67A-C43(MS-7673):rvr1.0:cvnMSI:ct3:cvr1.0: dmi.product.name: MS-7673 dmi.product.version: 1.0 dmi.sys.vendor: MSI version.compiz: compiz 1:0.9.11+14.04.20140305-0ubuntu1 version.libdrm2: libdrm2 2.4.52-1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0~rc3-0ubuntu3 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0~rc3-0ubuntu3 version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu6 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 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: Wed Mar 12 15:10:05 2014 xserver.configfile: default xserver.devices: input Power Button KEYBOARD, id 6 input Power Button KEYBOARD, id 7 input daskeyboard KEYBOARD, id 8 input daskeyboard KEYBOARD, id 9 input Logitech USB-PS/2 Optical Mouse MOUSE, id 10 xserver.errors: Failed to load module "nvidia" (module does not exist, 0) Failed to load module "nvidia" (module does not exist, 0) xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.15.0-1ubuntu6 xserver.video_driver: nouveau To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1291574/+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