[Nouveau] [Bug 64774] nouveau GF108 kernel crash in optimus mode when enabling external display output

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=64774

--- Comment #8 from Pasi Kärkkäinen <pasik at iki.fi> ---

I tested the most recent Fedora 18 kernel update (3.9.9-201.fc18.x86_64), and
the bug is still there. I enabled Optimus in the BIOS, booted to Linux, tried
to enable nouveau DVI output, and the kernel crashed immediately.

Then I built a custom kernel based on 3.9.9-201.fc18.x86_64 with the attached
patch included (as suggested above), and booted with that. Now there's a
problem.. nouveau outputs are not detected, and cannot be enabled, so I don't
know if the patch fixes or works around the problem. At least it breaks
something :) 

There are no obvious nouveau related errors in the dmesg.. attached aswell.

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