radeon 0000:02:00.0: GPU lockup CP stall for more than 10000msec

[Markus Trippelsdorf]

On 2012.12.23 at 12:31 +0100, Borislav Petkov wrote:
> On Sun, Dec 23, 2012 at 11:19:00AM +0000, Andy Furniss wrote:
> > modinfo radeon
> > 
> > will give a list assuming you use modules, I think all of them need =<num>.
> 
> Yep, that is one way of getting that info, thanks. I always go and look
> at Documentation/kernel-parameters.txt and forget about modinfo.
> 
> As you say 'radeon' needs to be module but since this is the case with
> the distros, the majority of Linux installations out there have it this
> way so we're fine.

(If you don't use modules:
 git grep MODULE_PARM_DESC -- drivers/gpu/drm/radeon/
)

You may have hit the same issue as I, see:
http://thread.gmane.org/gmane.comp.video.dri.devel/78328

Reverting commit 2d6cc729 fixes the problem for me, setting
radeon.no_wb=1 doesn't help.

-- 
Markus