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: Fri Nov  6 14:22:06 2020
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)
(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:1641): GLib-CRITICAL **: 14:22:10.450: g_str_has_prefix: assertion 'prefix != NULL' failed

(xfsettingsd:1641): GLib-GObject-CRITICAL **: 14:22:10.454: g_value_get_string: assertion 'G_VALUE_HOLDS_STRING (value)' failed

(xfsettingsd:1641): GLib-GObject-CRITICAL **: 14:22:10.468: g_value_get_string: assertion 'G_VALUE_HOLDS_STRING (value)' failed

(xfwm4:1636): GLib-CRITICAL **: 14:22:10.989: g_str_has_prefix: assertion 'prefix != NULL' failed

(nm-applet:1639): libnotify-WARNING **: 14:22:38.935: Failed to connect to proxy

(nm-applet:1639): nm-applet-WARNING **: 14:23:03.961: Failed to show notification: Error calling StartServiceByName for org.freedesktop.Notifications: Timeout was reached
ubiquity-dm: greeter exited with code 0
No such schema “org.gnome.settings-daemon.plugins.background”
No such schema “org.gnome.metacity”
(II) Server terminated successfully (0). Closing log file.
ubiquity-dm: set_locale
Generating locales (this might take a while)...
  en_US.UTF-8... done
Generation complete.
ubiquity-dm: Exiting with code 0

(xfsettingsd:1641): xfsettingsd-WARNING **: 14:27:18.264: Failed to show notification: Sticky keys (Sticky keys are enabled).
Gdk-Message: 14:27:43.294: xfsettingsd: Fatal IO error 25 (Inappropriate ioctl for device) on X server :0.