I don't really know if this bug could be merged with [Bug 56692] ATI radeon: poor 3D performance
maybe they are very related, though the hi use of cpu is even when not using 3d apps. for instance flash animations -- [r300] Very high CPU usage when refreshing a window https://bugs.launchpad.net/bugs/73473 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs