I am affected by this as well. I use Firefox and Thunderbird extensively so this is a really serious problem. I thought I'd wait a few weeks before upgrading to Raring in the hopes that bugs like this would have been squelched. That plan worked out well...
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/963736 Title: thunderbird and firefox freeze at random : must be killed and restarted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/963736/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs