I think the switch from EXA to XAA fixed this issue. No freezes with Compiz (10hours)
........ xorg.conf Section "Device" Identifier "Configured Video Device" Option "AccelMethod" "XAA" EndSection ........ Xorg.0.log (**) RADEON(0): Option "AccelMethod" "XAA" (II) RADEON(0): Using XFree86 Acceleration Architecture (XAA) (II) RADEON(0): Acceleration enabled ........ -- [RV350] system freeze randomly, need hard reset https://bugs.launchpad.net/bugs/349229 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