Switching to a terminal and running killall -9 compiz does the trick for me.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1244754 Title: compiz freezes when dragging a window to the top bar after being semi- maximized To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1244754/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs