[Nouveau] [Bug 103780] Nouveau causes lockup - fifo: read fault at 00005ac000 engine 00 [GR] client 02 [GPC1/PE_0] reason 02 [PTE] on channel 24 [103b5b2000 Xwayland[1507]]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103780

--- Comment #1 from Arnaud Lacombe <lacombar at gmail.com> ---
Happened randomly 2 days after updating to Fedora 27.

Environment detail:

CPU: i3
GPU: GeForce GTX 750 + Intel Xeon E3-1200 v3/4th IGC


/% rpm -qa xorg-x11-drv-nouveau
xorg-x11-drv-nouveau-1.0.15-3.fc27.x86_64

~/% uname -a
Linux hanoli 4.14.8-300.fc27.x86_64 #1 SMP Wed Dec 20 19:00:18 UTC 2017 x86_64
x86_64 x86_64 GNU/Linux

dmesg:

[271587.979780] nouveau 0000:01:00.0: gr: TRAP ch 2 [007f955000 Xorg[1473]]
[271587.979789] nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000041
[271587.979794] nouveau 0000:01:00.0: gr: GPC0/TPC1/TEX: 80000041
[271587.979797] nouveau 0000:01:00.0: gr: GPC0/TPC2/TEX: 80000041
[271587.979801] nouveau 0000:01:00.0: gr: GPC0/TPC3/TEX: 80000041
[271587.979804] nouveau 0000:01:00.0: gr: GPC0/TPC4/TEX: 80000041
[271587.979814] nouveau 0000:01:00.0: fifo: read fault at 0001af4000 engine 00
[GR] client 07 [GPC0/T1_2] reason 02 [PTE] on channel 2 [007f955000 Xorg[1473]]
[271587.979819] nouveau 0000:01:00.0: fifo: channel 2: killed
[271587.979821] nouveau 0000:01:00.0: fifo: runlist 0: scheduled for recovery
[271587.979824] nouveau 0000:01:00.0: fifo: engine 0: scheduled for recovery
[271587.979830] nouveau 0000:01:00.0: fifo: engine 5: scheduled for recovery
[271587.979859] nouveau 0000:01:00.0: Xorg[1473]: channel 2 killed!
[271638.386491] asynchronous wait on fence nouveau:Xorg[1473]:284f8b timed out
[271688.050038] asynchronous wait on fence nouveau:Xorg[1473]:284f90 timed out
[271737.201617] asynchronous wait on fence nouveau:Xorg[1473]:284fa2 timed out
[271787.377169] asynchronous wait on fence nouveau:Xorg[1473]:284fa6 timed out

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