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 4.4.0-138-generic x86_64 Ubuntu
Current Operating System: Linux ubuntu 4.15.0-112-generic #113~16.04.1-Ubuntu SMP Fri Jul 10 04:37:08 UTC 2020 x86_64
Kernel command line: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd quiet splash --- maybe-ubiquity
Build Date: 25 October 2018  04:13:49PM
xorg-server 2:1.19.6-1ubuntu4.1~16.04.2 (For technical support please see http://www.ubuntu.com/support) 
Current version of pixman: 0.33.6
	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 Sep 23 08:29:04 2020
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
resize called 1366 768
ubiquity-dm: set vars
ubiquity-dm: pam_open_session
ubiquity-dm: dm-scripts
ubiquity-dm: dbus
ubiquity-dm: dconf-service
ubiquity-dm: start frontend gtk_ui
Gtk-Message: Failed to load module "overlay-scrollbar"
resize called 1366 768

** (unity-settings-daemon:1932): WARNING **: Unable to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
Gtk-Message: Failed to load module "overlay-scrollbar"
Gtk-Message: Failed to load module "overlay-scrollbar"
initctl: UPSTART_SESSION isn't set in the environment. Unable to locate the Upstart instance.

(indicator-keyboard-service:2012): IBUS-CRITICAL **: ibus_bus_call_sync: assertion 'ibus_bus_is_connected (bus)' failed
ubiquity-dm: start greeter

(process:1991): indicator-sound-WARNING **: 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
Gtk-Message: Failed to load module "overlay-scrollbar"

(panel:1988): Gdk-CRITICAL **: gdk_window_set_geometry_hints: assertion 'geometry != NULL || geom_mask == 0' failed
/usr/share/ibus-table/engine/main.py:27: PyGIWarning: IBus was imported without specifying a version first. Use gi.require_version('IBus', '1.0') before import to ensure that the right version gets loaded.
  from gi.repository import IBus

(process:1991): indicator-sound-WARNING **: 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
ubiquity-dm: greeter exited with code 1
ubiquity-dm: Failed with an exception:
ubiquity-dm: Traceback (most recent call last):
  File "/usr/bin/ubiquity-dm", line 847, in main
    ret = run(vt, display, username)
  File "/usr/bin/ubiquity-dm", line 822, in run
    ret = dm.run(*sys.argv[4:])
  File "/usr/bin/ubiquity-dm", line 711, in run
    db = DebconfCommunicator('ubiquity', cloexec=True)
  File "/usr/lib/ubiquity/ubiquity/debconfcommunicator.py", line 37, in __init__
    write=self.dccomm.stdin)
  File "/usr/lib/python3/dist-packages/debconf.py", line 50, in __init__
    self.setUp(title)
  File "/usr/lib/python3/dist-packages/debconf.py", line 53, in setUp
    self.version = self.version(2)
  File "/usr/lib/python3/dist-packages/debconf.py", line 62, in <lambda>
    lambda *args, **kw: self.command(command, *args, **kw))
  File "/usr/lib/python3/dist-packages/debconf.py", line 83, in command
    status = int(status)
ValueError: invalid literal for int() with base 10: ''


(unity-settings-daemon:1932): Gdk-WARNING **: unity-settings-daemon: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.


(indicator-keyboard-service:2012): Gdk-WARNING **: indicator-keyboard-service: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.


(process:1991): indicator-sound-WARNING **: Name lost or unable to acquire bus: com.canonical.indicator.sound

(panel:1988): Gdk-WARNING **: panel: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.


(nm-applet:2029): Gdk-WARNING **: nm-applet: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.

Window manager warning: Log level 16: metacity: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.


(process:1989): indicator-application-service-WARNING **: Name Lost

** (process:1992): CRITICAL **: service_on_name_lost: assertion 'connection != NULL' failed

(process:1991): GLib-GObject-CRITICAL **: g_object_ref: assertion 'object->ref_count > 0' failed

(process:1991): GLib-GIO-CRITICAL **: Error while sending AddMatch() message: The connection is closed

(process:1991): GLib-GIO-CRITICAL **: Error while sending AddMatch() message: The connection is closed

(process:1991): GLib-GIO-CRITICAL **: Error while sending AddMatch() message: The connection is closed

(process:1991): GLib-GIO-CRITICAL **: Error while sending AddMatch() message: The connection is closed
(II) Server terminated successfully (0). Closing log file.