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

X.Org X Server 1.20.1
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.4.0-135-generic x86_64 Ubuntu
Current Operating System: Linux ubuntu 4.18.0-10-generic #11-Ubuntu SMP Thu Oct 11 15:13:55 UTC 2018 x86_64
Kernel command line: file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid initrd=/casper/initrd quiet splash --- BOOT_IMAGE=/casper/vmlinuz 
Build Date: 02 October 2018  06:40:03PM
xorg-server 2:1.20.1-3ubuntu2 (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: Tue Apr 16 21:07:57 2019
(==) 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: dconf-service
ubiquity-dm: start frontend gtk_ui
dbus-update-activation-environment: setting XDG_CURRENT_DESKTOP=ubuntu:GNOME
No such schema “org.gnome.metacity”

(gsd-a11y-settings:1583): a11y-settings-plugin-WARNING **: 21:08:01.800: Unable to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
ubiquity-dm: start greeter
dbus-daemon[1598]: Activating service name='org.a11y.atspi.Registry' requested by ':1.0' (uid=999 pid=1584 comm="/usr/lib/gnome-settings-daemon/gsd-clipboard " label="unconfined")

(gsd-clipboard:1584): clipboard-plugin-WARNING **: 21:08:04.376: Unable to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
dbus-daemon[1598]: Successfully activated service 'org.a11y.atspi.Registry'
SpiRegistry daemon is running with well-known name - org.a11y.atspi.Registry

(gsd-xsettings:1590): xsettings-plugin-WARNING **: 21:08:04.425: Failed to get current display configuration state: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Name "org.gnome.Mutter.DisplayConfig" does not exist

(gsd-media-keys:1585): media-keys-plugin-WARNING **: 21:08:04.789: Unable to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files

(gsd-power:1589): power-plugin-WARNING **: 21:08:04.795: Unable to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files

(gsd-xsettings:1590): xsettings-plugin-WARNING **: 21:08:05.850: Unable to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files

(gsd-media-keys:1585): GLib-CRITICAL **: 21:08:06.613: g_variant_get_va: assertion 'value != NULL' failed

(gsd-media-keys:1585): GLib-CRITICAL **: 21:08:06.613: g_variant_unref: assertion 'value != NULL' failed

(gsd-media-keys:1585): GLib-CRITICAL **: 21:08:08.045: g_variant_get_va: assertion 'value != NULL' failed

(gsd-media-keys:1585): GLib-CRITICAL **: 21:08:08.045: g_variant_unref: assertion 'value != NULL' failed
current session already has an ibus-daemon.

(gnome-shell:1592): GLib-CRITICAL **: 21:08:08.948: g_dir_open_with_errno: assertion 'path != NULL' failed

(gnome-shell:1592): GLib-CRITICAL **: 21:08:08.948: g_filename_to_utf8: assertion 'opsysstring != NULL' failed

(gnome-shell:1592): GLib-CRITICAL **: 21:08:08.950: g_dir_open_with_errno: assertion 'path != NULL' failed

(gnome-shell:1592): GLib-CRITICAL **: 21:08:08.950: g_filename_to_utf8: assertion 'opsysstring != NULL' failed

(gsd-media-keys:1585): GLib-CRITICAL **: 21:08:09.042: g_variant_get_va: assertion 'value != NULL' failed

(gsd-media-keys:1585): GLib-CRITICAL **: 21:08:09.042: g_variant_unref: assertion 'value != NULL' failed
Gjs-Message: 21:08:10.126: JS WARNING: [resource:///org/gnome/shell/ui/layout.js 29]: reference to undefined property "MetaWindowX11"
GNOME Shell-Message: 21:08:10.310: Error looking up permission: GDBus.Error:org.freedesktop.portal.Error.NotFound: No entry for geolocation
Gjs-Message: 21:08:48.124: JS WARNING: [resource:///org/gnome/shell/ui/status/network.js 81]: reference to undefined property 0

(gnome-shell:1592): Gjs-WARNING **: 21:08:48.125: JS ERROR: TypeError: active.get_devices(...)[0] is undefined
ensureActiveConnectionProps@resource:///org/gnome/shell/ui/status/network.js:81:22
_getMainConnection@resource:///org/gnome/shell/ui/status/network.js:1813:13
wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22
_syncMainConnection@resource:///org/gnome/shell/ui/status/network.js:1831:32
wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22