after i su to root /usr/home/ikfb/test# gedit (gedit:5869): EggSMClient-WARNING **: Failed to connect to the session manager: None of the authentication protocols specified are supported ** GLib-GIO:ERROR:gdbusconnection.c:2270:initable_init: assertion failed: (connection->initialization_error == NULL) then Nothing happened How can i solve the problem ? thank you