After some more fine tuning it was possible to run firefox without modifying apparmor (possibly dangerous), but a similar problem occured. If interested please see bug#667479 (https://bugs.launchpad.net/ubuntu/+source/kubuntu-meta/+bug/667479).
-- As root firefox grey's-out the screen and is very slow starting menu-functions https://bugs.launchpad.net/bugs/643075 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