https://bugs.freedesktop.org/show_bug.cgi?id=38800
--- Comment #35 from Mario Kleiner mario.kleiner@tuebingen.mpg.de 2011-07-07 13:39:39 PDT --- Hmm, but V_UPDATE irq is not supported on R500, if i look at the correct manual, which is still in widespread use for many serious applications (and on my main laptop for development and testing).