https://bugs.freedesktop.org/show_bug.cgi?id=34418
--- Comment #3 from Marek Olšák maraeo@gmail.com 2011-02-19 01:42:55 PST --- I can't reproduce this.
Please try:
git clean -fdx
and rebuild Mesa.
Alternatively, you may try and set either of these environment variables and see if it helps:
RADEON_THREAD=0 RADEON_DEBUG=noimmd