** Message: Starting lightdm-gtk-greeter 2.0.1 (Aug  7 2015, 01:24:18)
** Message: [Configuration] Reading file: /etc/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
** Message: [Configuration] Reading file: /etc/lightdm/lightdm-gtk-greeter.conf.d/99_ubuntu-mate.conf
** Message: [Configuration] Reading file: /etc/lightdm/lightdm-gtk-greeter.conf

** (lightdm-gtk-greeter:2921): WARNING **: [PIDs] Failed to execute command: upstart