[Nouveau] [Bug 95520] Error when recovering from suspend mode: fifo: ce0 engine fault on channel 0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95520

--- Comment #1 from Jack Massey <jacknmassey at gmail.com> ---
I am also having this issue.

Environment:
  - Linux kernel 4.4.0-22
  - Desktop encironment: Gnome 3.18.4
  - Xorg 1.18.3
  - Graphics card: NVIDIA Corporation GF119 [NVS 310]

I get a very similar crash error:

Jun  6 08:36:05 jackspc kernel: [235092.854673] nouveau 0000:01:00.0: disp:
outp 00:0006:0342: link training failed
Jun  6 08:36:26 jackspc kernel: [235113.279516] nouveau 0000:01:00.0: fifo:
write fault at 00030b5000 engine 15 [PCE0] client 01 [PCOPY0] reason 02
[PAGE_NOT_PRESENT] on channel 0 [001fe74000 DRM]
Jun  6 08:36:26 jackspc kernel: [235113.279520] nouveau 0000:01:00.0: fifo: ce0
engine fault on channel 0, recovering...

Note that this crash happened immediately after unlocking the screen *not* when
waking from sleep, and I am using a 4.4.x Ubuntu kernel.

This issue started happening after I upgraded my Monitors on Friday. I went
from 3x1080p to 2x1440p. Is it possible that the number of pixels / type of
monitor has an effect?

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