This problem also happens with multiple tabs present, and might be related to bug 483908
-- Firefox Won't Show Video Frame After Using Twitter https://bugs.launchpad.net/bugs/473531 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
