I reproduced this error with the following steps
* Open <insert video player here> (in this instance smplayer)
* Play a video
* Spam click to keep going from full-screen to windowed mode and vice-versa,
eventually crash occurs
# Environment (Ubuntu 17.10, Gnome 3.26.1)
Linux caleb-whiting 4.13.0-16-generic #19-Ubuntu SMP Wed Oct 11 18:35:14
UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
cpu
product: Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz
vendor: Intel Corp.
slot: LGA1151
size: 800MHz
capacity: 4500MHz
width: 64 bits
clock: 100MHz
gpu
product: GM204 [GeForce GTX 970]
vendor: NVIDIA Corporation
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
configuration: driver=nouveau latency=0
resources: iomemory:2f0-2ef iomemory:2f0-2ef irq:135
memory:de000000-deffffff memory:2fe0000000-2fefffffff
memory:2ff0000000-2ff1ffffff ioport:e000(size=128) memory:c0000-dffff
# syslog
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155366] nouveau 0000:01:00.0: gr:
TRAP ch 5 [103f054000 gnome-shell[1427]]
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155374] nouveau 0000:01:00.0: gr:
GPC0/TPC2/TEX: 80000041
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155380] nouveau 0000:01:00.0: gr:
GPC1/TPC0/TEX: 80000041
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155384] nouveau 0000:01:00.0: gr:
GPC1/TPC1/TEX: 80000041
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155387] nouveau 0000:01:00.0: gr:
GPC1/TPC2/TEX: 80000041
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155393] nouveau 0000:01:00.0: gr:
GPC3/TPC0/TEX: 80000041
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155396] nouveau 0000:01:00.0: gr:
GPC3/TPC1/TEX: 80000041
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155400] nouveau 0000:01:00.0: gr:
GPC3/TPC2/TEX: 80000041
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155403] nouveau 0000:01:00.0: gr:
GPC3/TPC3/TEX: 80000041
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155412] nouveau 0000:01:00.0:
fifo: read fault at 006e241000 engine 00 [GR] client 0a [GPC1/T1_3] reason 0c
[UNSUPPORTED_KIND] on channel 5 [103f054000 gnome-shell[1427]]
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155418] nouveau 0000:01:00.0:
fifo: channel 5: killed
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155420] nouveau 0000:01:00.0:
fifo: runlist 0: scheduled for recovery
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155423] nouveau 0000:01:00.0:
fifo: engine 0: scheduled for recovery
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155429] nouveau 0000:01:00.0:
fifo: engine 7: scheduled for recovery
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155438] nouveau 0000:01:00.0: gr:
TRAP ch 5 [103f054000 gnome-shell[1427]]
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155444] nouveau 0000:01:00.0: gr:
GPC0/TPC0/TEX: 80000041
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155448] nouveau 0000:01:00.0: gr:
GPC0/TPC1/TEX: 80000041
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155453] nouveau 0000:01:00.0: gr:
GPC2/TPC0/TEX: 80000041
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155457] nouveau 0000:01:00.0: gr:
GPC2/TPC1/TEX: 80000041
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155460] nouveau 0000:01:00.0: gr:
GPC2/TPC2/TEX: 80000041
Nov 18 02:31:48 caleb-whiting kernel: [ 408.155467] nouveau 0000:01:00.0:
gnome-shell[1427]: channel 5 killed!
Nov 18 02:31:48 caleb-whiting kernel: [ 408.169147] nouveau 0000:01:00.0:
fifo: write fault at 00007dc000 engine 05 [BAR2] client 08 [HOST_CPU_NB] reason
0d [REGION_VIOLATION] on channel -1 [103fefd000 unknown]
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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:
Confirmed
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)
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