[Nouveau] [Bug 68572] shutdown threshold temperature sometimes isn't restored properly after hibernate

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68572

--- Comment #3 from Martin Peres <martin.peres at ensi-bourges.fr> ---
(In reply to comment #2)
> (In reply to comment #1)
> > The various temperature thresholds just take care of setting the fan (in
> > this case it's saying that your card is at 0C so it can shut the fan down).
> Well, that was really what caused this. The card temperature was NOT 0C, it
> was something like 30C+, so I suspect something went awry during restore.

Exactly, there is a real problem here. The card must not be fully posted!
I'll write a patch to check a little more the temperature before rebooting
the computer though.

> 
> > I think the real issue are the INVALID_CMD's that you see...
> I am no expert in this, hence submitting this bug report. If there is
> anything else you'd like to know just ask.

Yeah. Are you aware that Hibernate is not considered as being very stable?
You may want to avoid using it, some people lost their data because of it.

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