I've managed to fix this. Turned out there were two parts for my driver in xorg.conf. One had the Driver "fglrx" line commented out and X was using this and thus loading the rickety radeon driver rather than fglrx.
-- No Direct Acceleration, OpenGL apps don't launch, glxinfo just returns "Segmentation Fault", ATI 5870 https://bugs.launchpad.net/bugs/584895 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs