[Nouveau] [Bug 111044] Resume up from suspend sometimes freezes system (Optimus/Nouveau)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111044

--- Comment #6 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to JM9 from comment #5)
> I believe all screens (Display Ports) are wired to intel. If you think this
> is an intel issue, I can file a bug there, but the nouveau message threw me.

The error messages suggest that there's something attached to a DP port on the
nvidia chip. Perhaps it's a phantom connection though.

You can easily check to see where things are connected by doing

grep . /sys/class/drm/card*-*/status

which should show you the current state of each port, as well as what card it's
on. (Then it's a matter of determining which card is which...)

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