Curious... This is a problem with some other part of your system, possibly gnome- power-manager or your video card driver. What video card do you use?
** Changed in: compiz (Ubuntu) Status: Unconfirmed => Needs Info -- [feisty] Compiz is slow when connected to AC https://launchpad.net/bugs/98954 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs