(gnome-settings-daemon:1928): Gtk-WARNING **: gtk_window_set_wmclass: shouldn't set wmclass after window is realized! ** (process:1961): DEBUG: Greeter session pid=1961 display=:0 xauthority=/var/run/gdm/auth-for-gdm-B7XXr9/database Failed to play sound: File or data not found gdm-simple-greeter[1961]: Gtk-WARNING: gtkwidget.c:6794: widget not within a GtkWindow gdm-simple-greeter[1961]: Gtk-WARNING: gtk_widget_size_allocate(): attempt to allocate widget with width -47 and height -47 Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x1200007 (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 0x1200007 (Login Wind) Window manager warning: meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed. gdm-simple-greeter[1961]: Gtk-CRITICAL: gtk_widget_get_mapped: assertion `GTK_IS_WIDGET (widget)' failed gdm-simple-greeter[1961]: GLib-GObject-WARNING: invalid (NULL) pointer instance gdm-simple-greeter[1961]: GLib-GObject-CRITICAL: g_signal_connect_data: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed gdm-simple-greeter[1961]: Gtk-CRITICAL: gtk_widget_get_mapped: assertion `GTK_IS_WIDGET (widget)' failed gdm-simple-greeter[1961]: GLib-GObject-WARNING: invalid (NULL) pointer instance gdm-simple-greeter[1961]: GLib-GObject-CRITICAL: g_signal_connect_data: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x1200007 (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: 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! (gnome-settings-daemon:1928): 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.