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

[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?

I'm guessing its either pageflipping or a later kernel allowing some
feature of mesa to be used.

Dave.