[Nouveau] [Bug 88946] [NVC1] black screen after resuming from hibernate

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88946

--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Looks like on resume you're getting a ton of

[   75.967312] nouveau E[    PBUS][0000:01:00.0] MMIO read of 0x00000000 FAULT
at 0x610260 [ IBUS ]
[   75.967343] nouveau E[    PBUS][0000:01:00.0] MMIO read of 0x00000000 FAULT
at 0x610260 [ IBUS ]

followed by

[   75.967345] nouveau E[   PDISP][0000:01:00.0][0xc000857b][ffff8803f3954100]
timeout1: 0x00000000
[   75.967346] nouveau E[   PDISP][0000:01:00.0][0xc000857b][ffff8803f3954100]
init failed, -16

and some other init failures. When the card fails to come up, X isn't
particularly happy about that either, hence the black screen and general state
of sadness. So the question is why does the card not come up properly...

By the way, when you say "standby" I assume you mean "suspend to ram", while
when you say "hibernate", I assume you mean "suspend to disk" right?

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