Comment # 30 on bug 86720 from a.t.martens@gmail.com

(In reply to noga.dany from comment #29)
> Created attachment 117697 [details]
> screenshot with R600_DEBUG=nosb on Mesa 10.6.4 and AMD HD 6870

I think the graphics glitches that appear with nosb can be fixed if you disable
some of the effects. I can't remember which at the moment. I was able to run
with no apparent issues on my HD 6850 after turning on nosb.