**Hi Daniel, This bug has already been reported at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=407601 and is fixed in Mesa 6.5.3. Mesa 6.5.3-rc3 is currently in experimental. The final 6.5.3 will be uploaded very soon. I merged those bug reports, which means yours is now marked as fixed with Mesa 6.5.3-rc3 too. Brice