ubiquity-dm: starting
ubiquity-dm: plymouth
ubiquity-dm: start X ['X', '-br', '-ac', '-noreset', '-nolisten', 'tcp', '-background', 'none', 'vt1', ':0']

X.Org X Server 1.20.8
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.4.0-184-generic x86_64 Ubuntu
Current Operating System: Linux xubuntu 5.4.0-42-generic #46-Ubuntu SMP Fri Jul 10 00:24:02 UTC 2020 x86_64
Kernel command line: file=/cdrom/preseed/xubuntu.seed initrd=/casper/initrd quiet splash --- maybe-ubiquity
Build Date: 24 June 2020  06:00:21AM
xorg-server 2:1.20.8-2ubuntu2.2 (For technical support please see http://www.ubuntu.com/support) 
Current version of pixman: 0.38.4
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Thu Oct 29 11:14:32 2020
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(II) modeset(0): Initializing kms color map for depth 24, 8 bpc.
ubiquity-dm: set vars
ubiquity-dm: pam_open_session
ubiquity-dm: dm-scripts
ubiquity-dm: start frontend gtk_ui
No such schema “org.gnome.settings-daemon.plugins.background”
No such schema “org.gnome.metacity”
ubiquity-dm: start greeter

(nm-applet:2651): Gtk-WARNING **: 11:14:34.712: Can't set a parent on widget which has a parent

(xfsettingsd:2653): GLib-CRITICAL **: 11:14:34.861: g_str_has_prefix: assertion 'prefix != NULL' failed

(xfsettingsd:2653): GLib-GObject-CRITICAL **: 11:14:34.866: g_value_get_string: assertion 'G_VALUE_HOLDS_STRING (value)' failed

(xfsettingsd:2653): GLib-GObject-CRITICAL **: 11:14:34.883: g_value_get_string: assertion 'G_VALUE_HOLDS_STRING (value)' failed

(xfwm4:2648): GLib-CRITICAL **: 11:14:35.162: g_str_has_prefix: assertion 'prefix != NULL' failed

(nm-applet:2651): Gtk-CRITICAL **: 11:14:37.085: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-CRITICAL **: 11:14:37.085: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-WARNING **: 11:14:37.086: Can't set a parent on widget which has a parent

(nm-applet:2651): libnotify-WARNING **: 11:15:02.131: Failed to connect to proxy

(nm-applet:2651): nm-applet-WARNING **: 11:15:27.153: Failed to show notification: Error calling StartServiceByName for org.freedesktop.Notifications: Timeout was reached

(nm-applet:2651): Gtk-CRITICAL **: 11:15:27.159: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-CRITICAL **: 11:15:27.159: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-WARNING **: 11:15:27.161: Can't set a parent on widget which has a parent

(nm-applet:2651): Gtk-CRITICAL **: 11:16:00.752: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-CRITICAL **: 11:16:00.752: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-WARNING **: 11:16:00.754: Can't set a parent on widget which has a parent

(nm-applet:2651): Gtk-CRITICAL **: 11:16:00.782: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-CRITICAL **: 11:16:00.782: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-WARNING **: 11:16:00.784: Can't set a parent on widget which has a parent

(nm-applet:2651): Gtk-CRITICAL **: 11:16:00.819: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-CRITICAL **: 11:16:00.820: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-WARNING **: 11:16:00.821: Can't set a parent on widget which has a parent

(nm-applet:2651): Gtk-CRITICAL **: 11:16:02.813: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-CRITICAL **: 11:16:02.813: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-WARNING **: 11:16:02.834: Can't set a parent on widget which has a parent

(nm-applet:2651): Gtk-CRITICAL **: 11:16:02.837: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-CRITICAL **: 11:16:02.837: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:2651): Gtk-WARNING **: 11:16:02.842: Can't set a parent on widget which has a parent