Sorry to add to my own post. My Kernel has had boot param set to nouveau.nofbaccel=1
Based on 711434 I am adding nouveau.noaccel=1 Will report back in 24 hours. -- 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/1675361 Title: Nouveau lockup with Nvidia and Chrome Status in xserver-xorg-video-nouveau package in Ubuntu: New Bug description: Regular lockups under graphics load. Existed since 2013 under previous versions of Ubuntu. Tends to happen when page scrolling or moving quickly through a browser page. Graphics load related? Several previous bugs of a similar nature either considered invalid or abandoned due to being on older versions of kernel or Ubuntu. Log shows. Mar 23 10:00:48 A55M-S2HP kernel: [48512.289189] nouveau 0000:04:00.0: fifo: CACHE_ERROR - ch 4 [compiz[1807]] subc 0 mthd 0060 data 8000000f Mar 23 10:01:52 A55M-S2HP kernel: [48575.936607] nouveau 0000:04:00.0: fifo: CACHE_ERROR - ch 4 [compiz[1807]] subc 0 mthd 0060 data 8000000f Mar 23 10:03:23 A55M-S2HP kernel: [48667.335531] nouveau 0000:04:00.0: fb: trapped read at 0000000000 on channel 5 [277d4000 chromium- browse[2473]] engine 05 [PFIFO] client 08 [PFIFO_READ] subclient 01 [SEMAPHORE] reason 00000006 [NULL_DMAOBJ] Mar 23 10:03:23 A55M-S2HP kernel: [48667.335737] nouveau 0000:04:00.0: fifo: CACHE_ERROR - ch 5 [chromium-browse[2473]] subc 2 mthd 0204 data 00000000 Mar 23 10:03:23 A55M-S2HP kernel: [48667.335758] nouveau 0000:04:00.0: fifo: CACHE_ERROR - ch 5 [chromium-browse[2473]] subc 2 mthd 0208 data 00000040 ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xserver-xorg-video-nouveau 1:1.0.12-1build2 ProcVersionSignature: Ubuntu 4.4.0-66.87-generic 4.4.44 Uname: Linux 4.4.0-66-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 BootLog: 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: Thu Mar 23 10:58:34 2017 DistUpgraded: Fresh install DistroCodename: xenial DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: NVIDIA Corporation G80 [GeForce 8800 GTS] [10de:0193] (rev a2) (prog-if 00 [VGA controller]) Subsystem: NVIDIA Corporation G80 [GeForce 8800 GTS] [10de:0421] InstallationDate: Installed on 2017-02-01 (50 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) MachineType: Gigabyte Technology Co., Ltd. GA-A55M-S2HP ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-66-generic root=UUID=ce1cd9d0-c287-4b57-905a-49943539baa8 ro quiet splash nouveau.nofbaccel=1 vt.handoff=7 SourcePackage: xserver-xorg-video-nouveau UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/12/2012 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F5 dmi.board.name: GA-A55M-S2HP dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF5:bd04/12/2012:svnGigabyteTechnologyCo.,Ltd.:pnGA-A55M-S2HP:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-A55M-S2HP:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: GA-A55M-S2HP dmi.sys.vendor: Gigabyte Technology Co., Ltd. version.compiz: compiz 1:0.9.12.2+16.04.20160823-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.70-1~ubuntu16.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 12.0.6-0ubuntu0.16.04.1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 12.0.6-0ubuntu0.16.04.1 version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1.2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2 xserver.bootTime: Thu Mar 23 10:12:23 2017 xserver.configfile: default xserver.devices: input Power Button KEYBOARD, id 6 input Power Button KEYBOARD, id 7 input USB USB Keykoard KEYBOARD, id 8 input USB USB Keykoard KEYBOARD, id 9 input 2.4G 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: 2:1.18.4-0ubuntu0.2 xserver.video_driver: nouveau To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1675361/+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
