Oh - just seen that the issue again (find "xwininfo -all" attached)
** Attachment added: "xwininfo -all" https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/709461/+attachment/1862505/+files/invisible%20window -- 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 ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs