https://bugs.freedesktop.org/show_bug.cgi?id=40935
--- Comment #5 from Michal Suchanek hramrach@gmail.com 2011-11-18 07:36:11 PST --- hmm, I it looks like the driver resets the card quite a few times over some hours until it locks up permanently (or at least long enough for the next reset to fail) or the driver gives up and the screen stays blank.