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 kubuntu 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64 Kernel command line: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/kubuntu.seed boot=casper maybe-ubiquity quiet splash --- 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: Wed Jun 13 12:31:51 2018 (==) Using system config directory "/usr/share/X11/xorg.conf.d" resize called 4240 1440 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: nouveau OpenGL renderer string: NV134 OpenGL version string: 3.0 Mesa 18.0.0-rc5 OpenGL shading language version string: 1.30 Driver: Nouveau GPU class: Unknown OpenGL version: 3.0 GLSL version: 1.30 Mesa version: 18.0 X server version: 1.19.6 Linux kernel version: 4.15 Requires strict binding: yes 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" QXcbConnection: XCB error: 3 (BadWindow), sequence: 1071, resource id: 8388627, major code: 3 (GetWindowAttributes), minor code: 0 QXcbConnection: XCB error: 9 (BadDrawable), sequence: 1072, resource id: 8388627, major code: 14 (GetGeometry), minor code: 0 QXcbConnection: XCB error: 3 (BadWindow), sequence: 31879, resource id: 14680069, major code: 15 (QueryTree), minor code: 0 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 881, in main ret = run(vt, display, username) File "/usr/bin/ubiquity-dm", line 856, in run ret = dm.run(*sys.argv[4:]) File "/usr/bin/ubiquity-dm", line 745, 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 71, in __init__ self.setUp(title) File "/usr/lib/python3/dist-packages/debconf.py", line 74, in setUp self.version = self.version(2) File "/usr/lib/python3/dist-packages/debconf.py", line 83, in lambda *args, **kw: self.command(command, *args, **kw)) File "/usr/lib/python3/dist-packages/debconf.py", line 104, in command status = int(status) ValueError: invalid literal for int() with base 10: '' The X11 connection broke (error 1). Did the X11 server die? The X11 connection broke (error 1). Did the X11 server die? (II) Server terminated successfully (0). Closing log file.