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 4.4.0-101-generic x86_64 Ubuntu
Current Operating System: Linux kubuntu 4.15.0-10-generic #11-Ubuntu SMP Tue Feb 13 18:23:35 UTC 2018 x86_64
Kernel command line: file=/cdrom/preseed/kubuntu.seed boot=casper maybe-ubiquity initrd=/casper/initrd.lz quiet splash --- maybe-ubiquity
Build Date: 26 January 2018  03:33:09PM
xorg-server 2:1.19.6-1ubuntu1 (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: Fri Mar  2 13:34:40 2018
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(II) [KMS] Kernel modesetting enabled.
ubiquity-dm: set vars
ubiquity-dm: pam_open_session
ubiquity-dm: dm-scripts
ubiquity-dm: dbus
ubiquity-dm: dconf-service
ubiquity-dm: start frontend kde_ui
ubiquity-dm: paint background
ubiquity-dm: add_ubiquity_kdedir
ubiquity-dm: start kde4breeze
setting widget style: "Breeze" true
ubiquity-dm: kde4breeze exited with code 0
ubiquity-dm: start kwin
ubiquity-dm: start greeter
OpenGL vendor string:                   X.Org
OpenGL renderer string:                 AMD PALM (DRM 2.50.0 / 4.15.0-10-generic, LLVM 5.0.1)
OpenGL version string:                  3.0 Mesa 17.3.3
OpenGL shading language version string: 1.30
Driver:                                 R600G
GPU class:                              Unknown
OpenGL version:                         3.0
GLSL version:                           1.30
Mesa version:                           17.3.3
X server version:                       1.19.6
Linux kernel version:                   4.15
Requires strict binding:                no
GLSL shaders:                           yes
Texture NPOT support:                   yes
Virtual Machine:                        no
kf5.kcoreaddons.desktopparser: Property type "Url" is not a known QVariant type. Found while parsing property definition for "X-KWin-Video-Url" in "/usr/share/kservicetypes5/kwineffect.desktop"
ubiquity-dm: greeter exited with code 1
(II) Server terminated successfully (0). Closing log file.
ubiquity-dm: Exiting with code 1