https://bugs.freedesktop.org/show_bug.cgi?id=33038
--- Comment #4 from Fabio Pedretti fabio.ped@libero.it 2011-02-23 00:28:34 PST --- IIRC there was a similar problem on other radeon drivers that was fixed with the following commits: r200: http://cgit.freedesktop.org/mesa/mesa/commit/?id=603741a86df0e43c0b52e8c202a... r100: http://cgit.freedesktop.org/mesa/mesa/commit/?id=b194b9b23801cd716244047b0b9... r300: http://cgit.freedesktop.org/mesa/mesa/commit/?id=d8eef5196fcd6f51e443d4dfa0f...