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

X.Org X Server 1.20.9
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.15.0-118-generic x86_64 Ubuntu
Current Operating System: Linux xubuntu 5.8.0-25-generic #26-Ubuntu SMP Thu Oct 15 10:30:38 UTC 2020 x86_64
Kernel command line: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/xubuntu.seed maybe-ubiquity quiet splash ---
Build Date: 07 October 2020  05:46:52AM
xorg-server 2:1.20.9-2ubuntu1 (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: Sun Mar 14 12:24:17 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:1675): GLib-CRITICAL **: 12:24:27.243: g_str_has_prefix: assertion 'prefix != NULL' failed

(xfsettingsd:1675): GLib-GObject-CRITICAL **: 12:24:27.257: g_value_get_string: assertion 'G_VALUE_HOLDS_STRING (value)' failed

(xfsettingsd:1675): GLib-GObject-CRITICAL **: 12:24:27.297: g_value_get_string: assertion 'G_VALUE_HOLDS_STRING (value)' failed

(xfwm4:1668): GLib-CRITICAL **: 12:24:28.227: g_str_has_prefix: assertion 'prefix != NULL' failed

(nm-applet:1671): libnotify-WARNING **: 12:24:55.235: Failed to connect to proxy

(nm-applet:1671): nm-applet-WARNING **: 12:25:20.262: Failed to show notification: Error calling StartServiceByName for org.freedesktop.Notifications: Timeout was reached

(nm-applet:1671): nm-applet-WARNING **: 19:26:01.542: Failed to show notification: Error calling StartServiceByName for org.freedesktop.Notifications: Timeout was reached