I guess Metacity is your "non-accelerated desktop", also called "Ubuntu without any effects" (But you can also launch this command from the Alt+F2 menu: metacity --replace)
> Is there anything I can do to provide more info? Yes I think you can upload some info by using this command launched from a terminal: $ apport-collect 776204 -- 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/776204 Title: hang freeze _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp