Im experiencing this as well, and it used to be only unity (compiz) that had this issue so I had switched to gnome shell and that fixed it for me, but recently on 14.04 ubuntu gnome it is starting to have the same issue as compiz.
-- 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/1079731 Title: Minecraft can't go fullscreen To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1079731/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp