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

X.Org X Server 1.20.10
X Protocol Version 11, Revision 0
Build Operating System: linux Ubuntu
Current Operating System: Linux xubuntu 5.11.0-13-generic #14-Ubuntu SMP Fri Mar 19 16:55:27 UTC 2021 x86_64
Kernel command line: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/xubuntu.seed maybe-ubiquity quiet splash ---
Build Date: 26 March 2021  01:16:17PM
xorg-server 2:1.20.10-3ubuntu5 (For technical support please see http://www.ubuntu.com/support) 
Current version of pixman: 0.40.0
	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: Wed Mar 31 15:04:11 2021
(==) 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

(xfsettingsd:1906): GLib-CRITICAL **: 15:04:22.293: g_str_has_prefix: assertion 'prefix != NULL' failed

(xfsettingsd:1906): GLib-GObject-CRITICAL **: 15:04:22.342: g_value_get_string: assertion 'G_VALUE_HOLDS_STRING (value)' failed

(xfsettingsd:1906): GLib-GObject-CRITICAL **: 15:04:22.404: g_value_get_string: assertion 'G_VALUE_HOLDS_STRING (value)' failed

(xfsettingsd:1906): GLib-GObject-CRITICAL **: 15:04:22.419: g_value_get_string: assertion 'G_VALUE_HOLDS_STRING (value)' failed

(xfwm4:1904): GLib-CRITICAL **: 15:04:28.581: g_str_has_prefix: assertion 'prefix != NULL' failed

(nm-applet:1909): libnotify-WARNING **: 15:04:53.317: Failed to connect to proxy

(nm-applet:1909): nm-applet-WARNING **: 15:05:18.342: Failed to show notification: Error calling StartServiceByName for org.freedesktop.Notifications: Timeout was reached

(nm-applet:1909): nm-applet-WARNING **: 15:06:28.312: Failed to show notification: Error calling StartServiceByName for org.freedesktop.Notifications: Failed to activate service 'org.freedesktop.Notifications': timed out (service_start_timeout=120000ms)