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 ubuntu-mate 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64
Kernel command line: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu-mate.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: Sat Apr 28 15:02:10 2018
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
ubiquity-dm: set vars
ubiquity-dm: pam_open_session
ubiquity-dm: dm-scripts
ubiquity-dm: dconf-service
ubiquity-dm: start frontend gtk_ui
ubiquity-dm: start greeter

(process:1858): indicator-sound-WARNING **: 15:02:15.955: volume-control-pulse.vala:735: unable to get pulse unix socket: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.PulseAudio1 was not provided by any .service files
dbus-daemon[1854]: Activating service name='org.a11y.atspi.Registry' requested by ':1.0' (uid=999 pid=1847 comm="/usr/bin/mate-settings-daemon " label="unconfined")
dbus-daemon[1854]: Successfully activated service 'org.a11y.atspi.Registry'
SpiRegistry daemon is running with well-known name - org.a11y.atspi.Registry

** (mate-settings-daemon:1847): WARNING **: 15:02:17.114: 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:1847): WARNING **: 15:02:17.115: 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:1855): Gtk-WARNING **: 15:02:17.250: 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:1855): Gtk-WARNING **: 15:02:17.250: 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:1855): Gdk-CRITICAL **: 15:02:17.363: gdk_window_set_geometry_hints: assertion 'geometry != NULL || geom_mask == 0' failed

(nm-applet:1867): Gtk-WARNING **: 15:02:18.571: Can't set a parent on widget which has a parent

(process:1858): indicator-sound-WARNING **: 15:02:18.779: accounts-service-access.vala:125: unable to find Accounts path for user null: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name com.canonical.UnityGreeter was not provided by any .service files
Window manager warning: Log level 16: XPresent is not compatible with your current system configuration.