I've noticed similar problem. When my pc is idle with only firefox running, the console top command shows 27% cpu utilization from Compiz.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/830324 Title: compiz uses 40 percent cpu after login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/830324/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs