[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 #12 from Pasi Kärkkäinen <pasik at iki.fi> ---

Ok, sorry for not explaining properly. 

With the stock fedora 3.9.9-201 kernel the nouveau dvi outputs are detected OK,
so in the Mate desktop display properties application I can see the external
monitor that is connected with DVI, and I can choose to enable it, which causes
the kernel crash. 

Now with the custom 3.9.9-201.dbg01 kernel that I built, which only has the
warn_on patch added on top of the stock kernel, the nouveau outputs are *not*
detected at all, so I can't see the DVI monitor on the display properties
application, and I can't enable the DVI monitor.. 

I tried rebooting the laptop multiple times, and the behaviour stays the same. 

Maybe I should play with xrandr aswell. And probably rebuild a new kernel, with
that patch removed and see if it really causes the issue.. 

Thanks for your reply!

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