I managed to trigger it today by removing an external monitor - after the screen changed configuration, the mouse pointer was gone. Restarting unity fixed it.
** Package changed: compiz (Ubuntu) => unity (Ubuntu) -- 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/1525741 Title: No mouse pointer or cursor displayed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1525741/+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