(gnome-settings-daemon:2164): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed

(gnome-settings-daemon:2164): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
Window manager warning: Failed to read saved session file /var/lib/gdm/.config/metacity/sessions/105a3a64323787f34b125719977089857700000021580007.ms: Failed to open file '/var/lib/gdm/.config/metacity/sessions/105a3a64323787f34b125719977089857700000021580007.ms': No such file or directory
** (process:2180): DEBUG: Greeter session pid=2180 display=:0.0 xauthority=/var/run/gdm/auth-for-gdm-q0VAY5/database
Failed to play sound: Invalid state
Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x1600027 (Login Wind)
Window manager warning: meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.
Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x1600027 (Login Wind)
Window manager warning: meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.
gnome-settings-daemon: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
Window manager warning: CurrentTime used to choose focus window; focus window may not be correct.
Window manager warning: Got a request to focus the no_focus_window with a timestamp of 0.  This shouldn't happen!
Window manager warning: Fatal IO error 11 (Resource temporarily unavailable) on display ':0.0'.
gnome-session: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
gdm-simple-greeter: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.