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 ubuntu-mate 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/ubuntu-mate.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: Thu Apr  8 15:55:23 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
ubiquity-dm: start greeter

** (mate-settings-daemon:1805): WARNING **: 15:55:30.400: There was a problem when setting QT_AUTO_SCREEN_SCALE_FACTOR=0: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files

** (mate-settings-daemon:1805): WARNING **: 15:55:30.401: There was a problem when setting QT_SCALE_FACTOR=1: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files

(panel:1807): Gtk-WARNING **: 15:55:30.706: 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:1807): Gtk-WARNING **: 15:55:30.706: 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:1807): WARNING **: 15:55:30.731: unable to open indicator directory: Error opening directory “/usr/share/unity/indicators”: No such file or directory

(panel:1807): libindicator-WARNING **: 15:55:30.731: File '/usr/lib/indicators3/7/libapplication.so' does not exist.

** (panel:1807): CRITICAL **: 15:55:30.731: load_indicator: assertion 'io != NULL' failed

(panel:1807): Gdk-CRITICAL **: 15:55:30.739: gdk_window_set_geometry_hints: assertion 'geometry != NULL || geom_mask == 0' failed