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

X.Org X Server 1.19.6
Release Date: 2017-12-20
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.4.0-119-generic x86_64 Ubuntu
Current Operating System: Linux xubuntu 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:39:52 UTC 2018 x86_64
Kernel command line: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/xubuntu.seed boot=casper only-ubiquity quiet splash ---
Build Date: 13 April 2018  08:07:36PM
xorg-server 2:1.19.6-1ubuntu4 (For technical support please see http://www.ubuntu.com/support) 
Current version of pixman: 0.34.0
	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: Sun Aug 19 18:45:17 2018
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)
ubiquity-dm: set vars
ubiquity-dm: pam_open_session
ubiquity-dm: dm-scripts
ubiquity-dm: dconf-service
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
dbus-daemon[1598]: Activating service name='org.a11y.atspi.Registry' requested by ':1.0' (uid=999 pid=1602 comm="nm-applet " label="unconfined")
dbus-daemon[1598]: Successfully activated service 'org.a11y.atspi.Registry'

(xfwm4:1593): GLib-CRITICAL **: 18:45:20.763: g_str_has_prefix: assertion 'prefix != NULL' failed
SpiRegistry daemon is running with well-known name - org.a11y.atspi.Registry

(xfsettingsd:1606): GLib-CRITICAL **: 18:45:20.795: g_str_has_prefix: assertion 'prefix != NULL' failed

(xfsettingsd:1606): GLib-GObject-CRITICAL **: 18:45:20.803: g_value_get_string: assertion 'G_VALUE_HOLDS_STRING (value)' failed

(xfsettingsd:1606): GLib-GObject-CRITICAL **: 18:45:20.805: g_value_get_string: assertion 'G_VALUE_HOLDS_STRING (value)' failed

(panel:1601): Gtk-WARNING **: 18:45:20.912: Theme parsing error: <data>:6:33: The style property GtkWidget:focus-line-width is deprecated and shouldn't be used anymore. It will be removed in a future version

(panel:1601): Gtk-WARNING **: 18:45:20.912: Theme parsing error: <data>:7:30: The style property GtkWidget:focus-padding is deprecated and shouldn't be used anymore. It will be removed in a future version

(panel:1601): libindicator-WARNING **: 18:45:20.917: File '/usr/lib/indicators3/7/libapplication.so' does not exist.

** (panel:1601): CRITICAL **: 18:45:20.917: load_indicator: assertion 'io != NULL' failed

(panel:1601): Gdk-CRITICAL **: 18:45:20.920: gdk_window_set_geometry_hints: assertion 'geometry != NULL || geom_mask == 0' failed

(nm-applet:1602): Gtk-WARNING **: 18:45:21.219: Can't set a parent on widget which has a parent

(nm-applet:1602): Gtk-CRITICAL **: 18:45:23.808: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:1602): Gtk-CRITICAL **: 18:45:23.808: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:1602): Gtk-WARNING **: 18:45:23.816: Can't set a parent on widget which has a parent

(nm-applet:1602): libnotify-WARNING **: 18:45:51.603: Failed to connect to proxy

(nm-applet:1602): nm-applet-WARNING **: 18:46:16.627: Failed to show notification: Error calling StartServiceByName for org.freedesktop.Notifications: Timeout was reached

(nm-applet:1602): Gtk-CRITICAL **: 18:46:16.643: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:1602): Gtk-CRITICAL **: 18:46:16.644: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:1602): Gtk-WARNING **: 18:46:16.651: Can't set a parent on widget which has a parent

(nm-applet:1602): Gtk-CRITICAL **: 18:46:16.655: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:1602): Gtk-CRITICAL **: 18:46:16.655: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed

(nm-applet:1602): Gtk-WARNING **: 18:46:16.659: Can't set a parent on widget which has a parent