[drm] Could not set DRM device bus ID.

[Michel Dänzer]

On Sun, 2008-08-31 at 00:19 -0700, Chris Collins wrote:
> 
> (EE) [drm] Could not set DRM device bus ID.
> (EE) RADEON(0): [dri] DRIScreenInit failed.  Disabling DRI.

I think this is usually due to something still using the DRM device.
What does

sudo lsof /dev/dri/card0

say? If that doesn't help, please also provide the output of

dmesg|grep drm


-- 
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer