Seems to me like the session service has crashed and is not restarted for some reason. Could you check if there is a crash file in /var/crash/ called something like usr_lib_indicator_session_indicator_session_service and if so, could you attach it to this bug.
Seems to me like the session service has crashed and is not restarted for some reason. Could you check if there is a crash file in /var/crash/ called something like usr_lib_ indicator_ session_ indicator_ session_ service and if so, could you attach it to this bug.