This is logged into journalctl: org.gnome.ScreenSaver[1755]: ** (gnome-screensaver:1868): WARNING **: Couldn't get presence status: The name org.gnome.SessionManager was not provided by any .service files ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: dbus 1.10.6-1ubuntu2 ProcVersionSigna…