Comment # 7 on bug 74784 from Bruno Jiménez

With mesa at commit 6d1cecb (Friday evening) this problem is fixed.

Thanks!

P.D: Maybe it was related to the hyperz problem of r600g drivers, as I am using
a revision that is after this commit
http://cgit.freedesktop.org/mesa/mesa/commit/?id=01e637114914453451becc0dc8afe60faff48d84