[regression] 2.6.37-post-rc7 with radeon kms: reproducably locks up hard when using desktop cube of kwin

[Michel Dänzer]

On Die, 2011-03-08 at 19:40 +1000, Dave Airlie wrote: 
> On Tue, Mar 8, 2011 at 7:35 PM, Martin Steigerwald <Martin at lichtvoll.de> wrote:
> > Its rainy again in Sevilla...
> >
> > Am Sunday 06 March 2011 schrieb Dave Airlie:
> >> > I verified this. Lockup happens with 2.6.38, last one tested
> >> > rc8-gfb62c00, but not with 2.6.37 with exactly same userspace.
> >> > Needed to try the effect several times, as this time the lockup with
> >> > 2.6.38 only happened shortly after the second activation of the
> >> > effect.
> >>
> >> Hmm, can you attach Xorg logs from both?
> >
> > Attached. I have dmesgs available as well. Both kernels are mainly
> > upstream. The 2.6.37 contains some recursive mtime patches from Jan for
> > Ext3/4 that are very likely unrelated. For 2.6.38 I am testing too
> > hibernation patches from Raphael, but the lockup also happened with a
> > plain vanilla 2.6.38 one before.
> >
> >> I'm guessing its either pageflipping or a later kernel allowing some
> >> feature of mesa to be used.
> 
> Okay can you try using an xorg.conf with Option "pageflip" "false" set
> in it for the radeon.

That should be

Option "EnablePageFlip" "false"


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