[Nouveau] [Bug 93629] [NVE6] complete system freeze, PGRAPH engine fault on channel 2, SCHED_ERROR [ CTXSW_TIMEOUT ]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93629

--- Comment #44 from Zéfling <zefling at ikilote.net> ---
Same problem for me, with Kubuntu 18.04 with nouveau and GF770:

~$ journalctl --no-pager -b -2 -p err
-- Logs begin at Thu 2018-05-10 18:08:45 CEST, end at Sun 2018-05-27 11:27:52
CEST. --
mai 27 08:36:29 zefling-1 kernel: [Firmware Bug]: TSC_DEADLINE disabled due to
Errata; please update microcode to version: 0x22 (or later)
mai 27 08:36:29 zefling-1 kernel: ACPI Error: [DSSP] Namespace lookup failure,
AE_NOT_FOUND (20170831/psargs-364)
mai 27 08:36:29 zefling-1 kernel: ACPI Error: Method parse/execution failed
\_SB.PCI0.SAT0.SPT4._GTF, AE_NOT_FOUND (20170831/psparse-550)
mai 27 08:36:29 zefling-1 kernel: ACPI Error: [DSSP] Namespace lookup failure,
AE_NOT_FOUND (20170831/psargs-364)
mai 27 08:36:29 zefling-1 kernel: ACPI Error: Method parse/execution failed
\_SB.PCI0.SAT0.SPT4._GTF, AE_NOT_FOUND (20170831/psparse-550)
mai 27 08:36:35 zefling-1 spice-vdagent[1617]: Cannot access vdagent virtio
channel /dev/virtio-ports/com.redhat.spice.0
mai 27 08:36:35 zefling-1 pulseaudio[1708]: [pulseaudio] pid.c: Daemon already
running.
mai 27 08:36:35 zefling-1 pulseaudio[1710]: [pulseaudio] pid.c: Daemon already
running.
mai 27 08:37:00 zefling-1 pulseaudio[1474]: [pulseaudio] bluez5-util.c:
GetManagedObjects() failed: org.freedesktop.DBus.Error.TimedOut: Failed to
activate service 'org.bluez': timed out (service_start_timeout=25000ms)
mai 27 08:57:30 zefling-1 kernel: nouveau 0000:01:00.0: fifo: write fault at
00002e0000 engine 00 [GR] client 0f [GPC0/PROP_0] reason 02 [PTE] on channel 2
[007f9a2000 Xorg[931]]

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