I'm seeing something similar every time firefox window gets focused. As long as it keeps the focus, all is fine. Is it the same for you? I noticed removing all bookmarks avoided this problem.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/931004 Title: Frequent multi-second UI freezes with 11.0~b1+build1-0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/931004/+subscriptions -- ubuntu-bugs mailing list email@example.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs