I confirm this problem with my Gateway with ATI X600. I solve my problem using:
Section "Device" Driver fglrx Option "VideoOverlay" "on" Option "OpenGLOverlay" "off" -- X freezes when compiz is enabled on ATI X300 https://bugs.launchpad.net/bugs/108527 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