It's a shadow problem. kwin seems to be trying to add a shadow to the mplayer plugin that is running in the browser. I assume as it's not a normal window it gets messed up with the placement.
-- mplayer firefox plug-in problem with Desktop Effects enabled https://bugs.launchpad.net/bugs/194931 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
