For me, I did the 'sudo Xorg -configure' command to get an xorg.conf, then adjusted it to have: Section "Device" ... Driver "radeon" Option "AccelMethod" "EXA" EndSection
-- (EXA and 32MB) certain windows drawn garbled when XAA is used https://bugs.launchpad.net/bugs/426582 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