As I suspected, you're running the "radeon" 2D driver with the "fglrx" 3D driver, which don't work together. "fglrx" is commented out in xorg.conf and replaced with "ati". Revert that change, reboot and all should be well.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to fglrx-installer in Ubuntu. https://bugs.launchpad.net/bugs/747576 Title: kwin_opengl_test crashed with SIGSEGV in XF86DRIQueryVersion() _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp