https://bugs.freedesktop.org/show_bug.cgi?id=35095
--- Comment #8 from Chris Rankin rankincj@googlemail.com 2011-03-08 15:24:28 PST --- (In reply to comment #6)
Please enable HyperZ and try either of these:
RADEON_DEBUG=nozmask
This makes no difference.
RADEON_DEBUG=nohiz
And this removes the corruption.