** (lightdm-gtk-greeter:1506): WARNING **: Failed to load background: Failed to open file '/usr/share/backgrounds/warty-final-ubuntu.png': No such file or directory

(lightdm-gtk-greeter:1506): Gtk-CRITICAL **: gtk_container_foreach: assertion 'GTK_IS_CONTAINER (container)' failed

(lightdm-gtk-greeter:1506): Gtk-CRITICAL **: gtk_container_foreach: assertion 'GTK_IS_CONTAINER (container)' failed

(lightdm-gtk-greeter:1506): Gtk-CRITICAL **: gtk_container_foreach: assertion 'GTK_IS_CONTAINER (container)' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

** (lightdm-gtk-greeter:1506): WARNING **: Failed to load user image: Failed to open file '/home/song/.face': Permission denied

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed

(lightdm-gtk-greeter:1506): Gdk-CRITICAL **: gdk_cairo_set_source_rgba: assertion 'rgba != NULL' failed