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

X.Org X Server 1.17.3
Release Date: 2015-10-26
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.19.0-33-generic x86_64 Ubuntu
Current Operating System: Linux ubuntu-gnome 4.3.0-5-generic #16-Ubuntu SMP Wed Dec 16 23:33:25 UTC 2015 x86_64
Kernel command line: file=/cdrom/preseed/ubuntu-gnome.seed boot=casper initrd=/casper/initrd.lz quiet splash --- maybe-ubiquity
Build Date: 25 November 2015  04:17:13PM
xorg-server 2:1.17.3-2ubuntu2 (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: Sat Jan 16 05:03:22 2016
(==) 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: dbus
ubiquity-dm: dconf-service
ubiquity-dm: start frontend gtk_ui
No such schema 'org.gnome.metacity'
ubiquity-dm: start greeter
Gtk-Message: Failed to load module "overlay-scrollbar"
Activating service name='org.a11y.atspi.Registry'
Successfully activated service 'org.a11y.atspi.Registry'
Gtk-Message: Failed to load module "overlay-scrollbar"
sys:1: 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.

** (gnome-settings-daemon:1458): WARNING **: Unable to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files

** (process:1558): WARNING **: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
current session already has an ibus-daemon.
Gjs-Message: JS LOG: No permission to trigger offline updates: Polkit.Error: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered

(gnome-settings-daemon:1458): color-plugin-WARNING **: failed to get edid: unable to get EDID for output

(gnome-settings-daemon:1458): color-plugin-WARNING **: unable to get EDID for xrandr-default: unable to get EDID for output