https://bugs.freedesktop.org/show_bug.cgi?id=38163
--- Comment #4 from Rui Tiago Matos tiagomatos@gmail.com 2011-06-27 14:02:38 PDT --- According to https://bugzilla.gnome.org/show_bug.cgi?id=653523, seems to be happening on Gallium 0.4 on AMD RV635 too.