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003fa78000
2017 Jan 05
3
[Bug 99289] New: Display freezes after "gr: TRAP ch 6"
...termittently (a few times a day), my display will completely freeze and
doesn't recover. Although the kernel doesn't hang and I can ssh in, I can't
chvt to a non-graphical VT.
Whenever this occurs, I see a message like this in dmesg:
[12535.260195] nouveau 0000:01:00.0: gr: TRAP ch 6 [007f778000 Xwayland[854]]
[12535.260211] nouveau 0000:01:00.0: gr: GPC0/TPC1/MP trap: global 00000000 []
warp 3d0001 [STACK_ERROR]
[12539.595312] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
[12539.595318] nouveau 0000:01:00.0: fifo: gr engine fault on channel 5,
recovering...
Despite the "...