I have also noticed this issue. Also, a window that is not maximised does not always get put in the right spot, they will move left or right a little bit, but this is more difficult to notice.
** Changed in: compiz (Ubuntu) Status: Unconfirmed => Confirmed -- Incorrect position of maximized windows after moving to another screen https://launchpad.net/bugs/60813 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs