[Nouveau] [Bug 92991] Nouveau module loading regression in 4.4-rc1 on optimus system

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92991

--- Comment #6 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Oliver Neukum from comment #5)
> (In reply to Ilia Mirkin from comment #3)
> 
> > That seems much happier.
> 
> Unfortunately the result does not work. xrandr leads to an instant hard
> lockup with and without the additional parameter.

Can you recover any information when this happens? Perhaps with netconsole? Do
you have anything like bumblebee installed? [If so, try without it.]

Separately, can you try booting with nouveau.runpm=0 (in addition to the other
workaround thing)? That will prevent nouveau from runtime-suspending your GPU
and will increase battery usage, but it's a good debugging step.

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