GDM3 0-greeter.log

** (gnome-settings-daemon:5699): WARNING **: Ignoring unknown module 'org.gnome.settings-daemon.plugins.gconf'
** (at-spi-registryd:5697): DEBUG: Client registered with session manager: /org/gnome/SessionManager/Client1
Gtk-Message: Failed to load module "atk-bridge"
Gtk-Message: Failed to load module "atk-bridge"
Gtk-Message: Failed to load module "atk-bridge"
** (process:5722): DEBUG: Greeter session pid=5722 display=:0 xauthority=/var/run/gdm3/auth-for-Debian-gdm-W9cUGs/database
The value for the SHELL variable was not found the /etc/shells file

This incident has been reported.
Failed to play sound: File or data not found
gdm-simple-greeter[5722]: Gtk-WARNING: Overriding tab label for notebook
gdm-simple-greeter[5722]: Gtk-WARNING: Overriding tab label for notebook
gdm-simple-greeter[5722]: Gtk-WARNING: Overriding tab label for notebook
gdm-simple-greeter[5722]: Gtk-WARNING: Overriding tab label for notebook
gdm-simple-greeter[5722]: Gtk-WARNING: Overriding tab label for notebook
gdm-simple-greeter[5722]: Gtk-WARNING: /tmp/buildd/gtk+3.0-3.2.2/./gtk/gtkwidget.c:6857: widget not within a GtkWindow
gdm-simple-greeter[5722]: Gtk-CRITICAL: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
gdm-simple-greeter[5722]: Gtk-WARNING: gtk_widget_size_allocate(): attempt to allocate widget with width -3 and height -3
gdm-simple-greeter[5722]: Gtk-CRITICAL: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
gdm-simple-greeter[5722]: Gtk-CRITICAL: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
gdm-simple-greeter[5722]: Gtk-WARNING: gtk_widget_size_allocate(): attempt to allocate widget with width -47 and height -47
Avertissement du gestionnaire de fenêtres : Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x1600007 (Fenêtre d)
Avertissement du gestionnaire de fenêtres : meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.

(gnome-settings-daemon:5699): media-keys-plugin-WARNING **: Unable to get default sink
Avertissement du gestionnaire de fenêtres : Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x1600007 (Fenêtre d)
Avertissement du gestionnaire de fenêtres : meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.
Avertissement du gestionnaire de fenêtres : Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x1600007 (Fenêtre d)
Avertissement du gestionnaire de fenêtres : meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.
Avertissement du gestionnaire de fenêtres : Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x1600007 (Fenêtre d)
Avertissement du gestionnaire de fenêtres : meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.
Avertissement du gestionnaire de fenêtres : Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x1600007 (Fenêtre d)
Avertissement du gestionnaire de fenêtres : meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.
Avertissement du gestionnaire de fenêtres : CurrentTime used to choose focus window; focus window may not be correct.
Avertissement du gestionnaire de fenêtres : Got a request to focus the no_focus_window with a timestamp of 0.  This shouldn't happen!

(gnome-settings-daemon:5699): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
g_dbus_connection_real_closed: Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting.