https://bugs.freedesktop.org/show_bug.cgi?id=27457

--- Comment #3 from Willem Swart waswart@hotmail.com --- (In reply to comment #2)

Note: classic r600 driver has been abandoned. Please use r600g (gallium driver) instead.

Is this still an issue with a newer driver/kernel?

Have not been able to reproduce the bug with current setup:

Radeon HD6950 Blender 2.64a-5 xf86-video-ati 1:6.14.6-2 ati-dri 9.0-1