Hi! I just noticed the same effect after a fresh ubuntu 12.04 installation. It was probably also the case with my previous ubuntu 11.10. In my case, compiz increases from less than 10 to above 70 % when I start thunderbird. Xorg is affected to a lesser extent.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/772737 Title: compiz idle CPU increases when Thunderbird is running To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/772737/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs