Comment 63 for bug 1547235

From the image it seems like the same rendering issue I am having:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/751828

My graphics card is ATI Radeon Xpress 1250

$ glxinfo | grep -i opengl
OpenGL vendor string: X.Org R300 Project
OpenGL renderer string: Gallium 0.4 on ATI RS600
OpenGL version string: 2.1 Mesa 9.1.1
OpenGL shading language version string: 1.20