https://bugs.freedesktop.org/show_bug.cgi?id=58033
--- Comment #3 from Chris Rankin rankincj@googlemail.com --- (In reply to comment #2)
Also try reverting the commit e866bd1adea2c3b4971ad68e69c6.
I've tried this, and have also tried RADEON_DEBUG=nohiz,nozmask,nocbzb. However, I'm still seeing the problem. Interestingly, the problem does not happen with Fedora's "stock" Mesa drivers mesa-dri-drivers-8.0.4-1.fc17.i686.