Well good luck and just to repeat, most all of the previous ways to cause this were fixed w/ the update.
A small possibly related issue that has arisen (before this update), was a possible race in unity-panel-service. Again mostly at random, (though I don't think anything is actually 'random' I thought i'd leave a htop screen and a bit of mpstat if you haven't seen or heard of. (log and screen are separate occurrences If it comes back, hasn't since the update, , probably a new bug is in order ** Attachment added: "Screenshot-doug@doug-alienware: ~-usp.png" https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/709461/+attachment/1839350/+files/Screenshot-doug%40doug-alienware%3A%20%7E-usp.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/709461 Title: semi-random invisible window with x geometry on top layer possible, all viewport only (one ws though) -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
