This bg also manifests when downloading a largish (2000 messages) mailbox via Thunderbird. The progress bar in this case, at the bottom of Thunderbird results in pinning of 2 cores, 1 by Thunderbird and 1 by Compiz.
When Thunderbird was minimized the CPU load dropped off. Doing a 'strace' revealed exactly the same behaviour as outlined by marcbowes. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/884387 Title: Compiz is absurdly heavy on CPU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/884387/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
