[Nouveau] [Bug 21273] Driver can't detect video output and xserver doesn't start

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=21273

--- Comment #58 from Francisco Jerez <currojerez at riseup.net> 2010-12-07 04:28:36 PST ---
(In reply to comment #57)
> Created an attachment (id=40858)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=40858)
> dmesg wiith second patch parameter video=offb:off
> 
> Both patches doesn't change anything. After booting kernel tried to set video
> mode, but it is failed and monitor suspended. I could make a blind input in
> console. (At least with second patch).
> Additional, I tried to remove nouveau driver and boot without parameter video.
> (xserver uses frame buffer driver). But all is same. As I understand, driver
> doesn't take control from kernel.

This monitor works with offb, right? Can you get a register dump from it?
(while you're in text mode, don't start X) You can use "video=ofonly
nouveau.modeset=0" to make sure no other framebuffer driver takes over.

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