https://bugs.freedesktop.org/show_bug.cgi?id=33296
--- Comment #5 from Sam Thursfield ssssam@gmail.com 2011-01-20 12:14:11 PST --- (In reply to comment #4)
What 3D driver are you using? I would suggest trying the r300 gallium driver if you are using the r300 classic driver.
I believe xorg-edgers is now shipping the Gallium driver:
sam@haji:/opt/xorg/lib$ glxinfo | grep OpenGL OpenGL vendor string: X.Org R300 Project OpenGL renderer string: Gallium 0.4 on ATI RV370 OpenGL version string: 2.1 Mesa 7.11-devel OpenGL shading language version string: 1.20 OpenGL extensions: