Confirm that the problem exists after 12.04 release. I've noticed that sometimes it works if there are no any windows under the mouse cursor at the edge. Looks like the applications intercept mouse actions instead of being processed by compiz.
Confirm that the problem exists after 12.04 release. I've noticed that sometimes it works if there are no any windows under the mouse cursor at the edge. Looks like the applications intercept mouse actions instead of being processed by compiz.