This crash is now happening daily, ever since the latest plasma upgrade. -- 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/1661486
Title: nouveau write fault, CTXSW_TIMEOUT, hangs the display Status in xserver-xorg-video-nouveau package in Ubuntu: New Bug description: A few hours after upgrading to the latest kernel and plasma (using apt upgrade) in Xenial 16.04LTS, my computer display hung with: Feb 2 20:36:16 snorkack kernel: [83600.290217] nouveau 0000:01:00.0: fifo: write fault at 000027c000 engine 00 [GR] client 0e [GPC0/GPCCS] reason 02 [PTE] on channel 2 [007f9a3000 Xorg[1501]] Feb 2 20:36:16 snorkack kernel: [83600.290221] nouveau 0000:01:00.0: fifo: gr engine fault on channel 2, recovering... Feb 2 20:33:42 snorkack colord[1394]: (colord:1394): Cd-WARNING **: failed to get session [pid 27934]: No such device or address Feb 2 20:36:19 snorkack vmnet-dhcpd: DHCPREQUEST for 192.168.50.128 from 00:0c:29:d5:2d:15 via vmnet8 Feb 2 20:36:19 snorkack vmnet-dhcpd: DHCPACK on 192.168.50.128 to 00:0c:29:d5:2d:15 via vmnet8 Feb 2 20:36:20 snorkack kernel: [83604.585547] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] Feb 2 20:36:20 snorkack kernel: [83604.585553] nouveau 0000:01:00.0: fifo: sw engine fault on channel 8, recovering... Feb 2 20:36:22 snorkack kernel: [83606.583732] nouveau 0000:01:00.0: fifo: runlist 0 update timeout Feb 2 20:36:24 snorkack kernel: [83608.880576] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] Feb 2 20:36:29 snorkack kernel: [83613.175601] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] Feb 2 20:36:33 snorkack kernel: [83617.470624] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] Feb 2 20:36:37 snorkack kernel: [83621.765648] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] Feb 2 20:36:42 snorkack kernel: [83626.060672] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] ...repeats many times... I could still log in via SSH but could not unhang the system, so I rebooted. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xserver-xorg-video-nouveau 1:1.0.12-1build2 ProcVersionSignature: Ubuntu 4.4.0-62.83-generic 4.4.40 Uname: Linux 4.4.0-62-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 CurrentDesktop: KDE Date: Thu Feb 2 23:20:22 2017 InstallationDate: Installed on 2016-09-25 (131 days ago) InstallationMedia: Kubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) SourcePackage: xserver-xorg-video-nouveau UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1661486/+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
