[Nouveau] [Bug 96876] system freeze "fifo: gr engine fault on channel 6" NVIDIA

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96876

--- Comment #4 from Ehsan Azar <dashesy at gmail.com> ---
I finally have time today to try new kernel. But I just got this (no freeze,
just chrome got broken) and thought might be helpful.

[  685.293359] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293368] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 128, format = 0, storage type = 0
[  685.293401] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293408] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 136, format = 0, storage type = 0
[  685.293488] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293494] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 144, format = 0, storage type = 0
[  685.293501] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293506] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 152, format = 0, storage type = 0
[  685.293521] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293526] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 160, format = 0, storage type = 0
[  685.293540] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293545] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 168, format = 0, storage type = 0
[  685.293557] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293563] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 176, format = 0, storage type = 0
[  685.293575] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293581] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 184, format = 0, storage type = 0
[  685.293594] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293620] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 192, format = 0, storage type = 0
[  685.293638] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293645] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 208, format = 0, storage type = 0
[  685.293660] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293666] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 216, format = 0, storage type = 0
[  685.293701] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293707] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 224, format = 0, storage type = 0
[  685.293720] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293726] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 232, format = 0, storage type = 0
[  685.293735] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293741] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 240, format = 0, storage type = 0
[  685.293753] nouveau 0000:01:00.0: gr: TRAP ch 6 [007fb61000
systemd-logind[904]]
[  685.293758] nouveau 0000:01:00.0: gr: GPC0/PROP trap: 00000200 [] x = 896, y
= 248, format = 0, storage type = 0
[127998.748786] perf interrupt took too long (2501 > 2500), lowering
kernel.perf_event_max_sample_rate to 50000

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