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 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64
Kernel command line: BOOT_IMAGE=/ubuntu/install/boot/vmlinuz debian-installer/custom-installation=/ubuntu/install/custom-installation iso-scan/filename=/ubuntu/install/installation.iso automatic-ubiquity noprompt quiet splash boot=casper ro debian-installer/locale=en_US.UTF-8 keyboard-configuration/layoutcode=us keyboard-configuration/variantcode= -- rootflags=sync
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 Aug 11 09:59:07 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
dbus-update-activation-environment: setting XDG_CURRENT_DESKTOP=ubuntu:GNOME
No such schema “org.gnome.metacity”

(gsd-a11y-settings:3512): a11y-settings-plugin-WARNING **: 09:59:10.200: 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

(gsd-clipboard:3513): clipboard-plugin-WARNING **: 09:59:11.824: 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:3514): media-keys-plugin-WARNING **: 09:59:11.834: 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:3519): xsettings-plugin-WARNING **: 09:59:11.838: Failed to get current display configuration state: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Name "org.gnome.Mutter.DisplayConfig" does not exist

(gsd-power:3518): power-plugin-WARNING **: 09:59:12.013: 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:3519): xsettings-plugin-WARNING **: 09:59:12.105: Unable to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
randr: falling back to unsynchronized pixmap sharing
resize called 1920 1080

(gsd-media-keys:3514): GLib-CRITICAL **: 09:59:14.516: g_variant_get_va: assertion 'value != NULL' failed

(gsd-media-keys:3514): GLib-CRITICAL **: 09:59:14.516: g_variant_unref: assertion 'value != NULL' failed
Gjs-Message: 09:59:15.121: JS WARNING: [resource:///org/gnome/shell/ui/main.js 340]: reference to undefined property "MetaStage"
Gjs-Message: 09:59:15.129: JS WARNING: [resource:///org/gnome/shell/ui/layout.js 220]: reference to undefined property "MetaWindowGroup"
Gjs-Message: 09:59:15.165: JS WARNING: [resource:///org/gnome/shell/ui/osdMonitorLabeler.js 59]: reference to undefined property "MetaDBusDisplayConfigSkeleton"
current session already has an ibus-daemon.
Gjs-Message: 09:59:15.581: JS WARNING: [resource:///org/gnome/shell/ui/slider.js 38]: reference to undefined property "CallyActor"

(gsd-media-keys:3514): GLib-CRITICAL **: 09:59:15.739: g_variant_get_va: assertion 'value != NULL' failed

(gsd-media-keys:3514): GLib-CRITICAL **: 09:59:15.739: g_variant_unref: assertion 'value != NULL' failed

(gnome-shell:3520): GLib-CRITICAL **: 09:59:19.682: g_array_unref: assertion 'array' failed

(gnome-shell:3520): GLib-CRITICAL **: 09:59:19.683: g_array_unref: assertion 'array' failed

(gnome-shell:3520): GLib-CRITICAL **: 09:59:19.701: g_array_unref: assertion 'array' failed

(gnome-shell:3520): GLib-CRITICAL **: 09:59:19.714: g_array_unref: assertion 'array' failed

(gnome-shell:3520): GLib-CRITICAL **: 09:59:19.734: g_array_unref: assertion 'array' failed

(gnome-shell:3520): GLib-CRITICAL **: 09:59:19.747: g_array_unref: assertion 'array' failed

(gnome-shell:3520): GLib-CRITICAL **: 09:59:19.763: g_array_unref: assertion 'array' failed

(gnome-shell:3520): GLib-CRITICAL **: 09:59:19.777: g_array_unref: assertion 'array' failed

(gnome-shell:3520): GLib-CRITICAL **: 09:59:19.789: g_array_unref: assertion 'array' failed

(gnome-shell:3520): GLib-CRITICAL **: 09:59:19.791: g_array_unref: assertion 'array' failed

(gnome-shell:3520): GLib-CRITICAL **: 09:59:19.792: g_array_unref: assertion 'array' failed

(gnome-shell:3520): GLib-CRITICAL **: 09:59:19.810: g_array_unref: assertion 'array' failed
Gjs-Message: 09:59:20.144: JS WARNING: [resource:///org/gnome/shell/ui/layout.js 29]: reference to undefined property "MetaWindowX11"
GNOME Shell-Message: 09:59:20.402: Error looking up permission: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.impl.portal.PermissionStore was not provided by any .service files
Gjs-Message: 15:40:02.947: JS WARNING: [resource:///org/gnome/shell/ui/status/network.js 97]: reference to undefined property 0

(gnome-shell:3520): Gjs-WARNING **: 15:40:02.947: JS ERROR: TypeError: active.get_devices(...)[0] is undefined
ensureActiveConnectionProps@resource:///org/gnome/shell/ui/status/network.js:97:22
_getMainConnection@resource:///org/gnome/shell/ui/status/network.js:1814:13
wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22
_syncMainConnection@resource:///org/gnome/shell/ui/status/network.js:1832:32
wrapper@resource:///org/gnome/gjs/modules/_legacy.js:82:22


(gnome-shell:3520): Gjs-CRITICAL **: 15:40:03.043: Object St.Widget (0x55eb78cdf7d0), has been already deallocated - impossible to access to it. This might be caused by the fact that the object has been destroyed from C code using something such as destroy(), dispose(), or remove() vfuncs
== Stack trace for context 0x55eb770704d0 ==
#0 0x55eb774166f8 i   resource:///org/gnome/shell/ui/modalDialog.js:93 (0x7f0bc44f14d8 @ 22)
#1 0x7ffdfffdeb10 b   resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f0bc44b5de0 @ 71)
#2 0x55eb77416640 i   resource:///org/gnome/gjs/modules/_legacy.js:39 (0x7f0bc44b5b38 @ 215)
#3 0x55eb774165b0 i   resource:///org/gnome/shell/ui/status/network.js:781 (0x7f0b76c0ce68 @ 409)
#4 0x7ffdfffe0620 b   resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f0bc44b5de0 @ 71)
#5 0x55eb77416528 i   resource:///org/gnome/shell/ui/modalDialog.js:168 (0x7f0bc44f1a28 @ 92)
#6 0x55eb77416480 i   resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f0bc44b5de0 @ 71)
#7 0x55eb774163c0 i   self-hosted:913 (0x7f0bc44f12b8 @ 346)
#8 0x55eb77416320 i   resource:///org/gnome/gjs/modules/tweener/tweener.js:208 (0x7f0bc44d3b38 @ 54)
#9 0x55eb77416200 i   resource:///org/gnome/gjs/modules/tweener/tweener.js:337 (0x7f0bc44d3bc0 @ 1626)
#10 0x55eb77416170 i   resource:///org/gnome/gjs/modules/tweener/tweener.js:350 (0x7f0bc44d3c48 @ 100)
#11 0x55eb774160f8 i   resource:///org/gnome/gjs/modules/tweener/tweener.js:365 (0x7f0bc44d3cd0 @ 10)
#12 0x55eb77416028 i   resource:///org/gnome/gjs/modules/signals.js:128 (0x7f0bc44d3230 @ 386)
#13 0x55eb77415f98 i   resource:///org/gnome/shell/ui/tweener.js:245 (0x7f0bc44cf808 @ 159)
#14 0x55eb77415ef0 i   resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7f0bc44b5de0 @ 71)
#15 0x55eb77415e70 i   resource:///org/gnome/shell/ui/tweener.js:220 (0x7f0bc44cf780 @ 15)
GNOME Shell-Message: 10:11:00.942: Ignored exception from dbus method: Gio.DBusError: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
GNOME Shell-Message: 10:11:04.614: Ignored exception from dbus method: Gio.DBusError: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
GNOME Shell-Message: 10:11:08.473: Ignored exception from dbus method: Gio.DBusError: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files