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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https://bugs.launchpad.net/bugs/1661486
Title:
nouveau write fault, CTXSW_TIMEOUT, hangs the display
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