Just hit this. Using the proceedure below I was able to get an xwininfo on the window, which was xchat:
ctrl-alt-T to get a terminal run xwininfo and click where the problem area is ** Attachment added: "XCHAT" https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/709461/+attachment/1824411/+files/XCHAT -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in 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) _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : [email protected] Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp
