ubiquity-dm: starting ubiquity-dm: plymouth ubiquity-dm: start X ['X', '-br', '-ac', '-noreset', '-nolisten', 'tcp', '-background', 'none', 'vt1', ':0'] X.Org X Server 1.20.9 X Protocol Version 11, Revision 0 Build Operating System: Linux 4.4.0-197-generic x86_64 Ubuntu Current Operating System: Linux kubuntu 5.8.0-36-generic #40+21.04.1-Ubuntu SMP Thu Jan 7 11:35:09 UTC 2021 x86_64 Kernel command line: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/kubuntu.seed maybe-ubiquity quiet splash --- Build Date: 02 December 2020 02:16:47PM xorg-server 2:1.20.9-2ubuntu3 (For technical support please see http://www.ubuntu.com/support) Current version of pixman: 0.40.0 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 Feb 12 18:04:37 2021 (==) Using system config directory "/usr/share/X11/xorg.conf.d" xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted) (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: start frontend kde_ui ubiquity-dm: paint background ubiquity-dm: add_ubiquity_kdedir ubiquity-dm: start kde4breeze dbus-update-activation-environment: setting DISPLAY=:0 setting widget style: "Breeze" true QDBusConnection: error: could not send signal to service "" path "//home/kubuntu/.kde/share/config/kdeglobals" interface "org.kde.kconfig.notify" member "ConfigChanged": Invalid object path: //home/kubuntu/.kde/share/config/kdeglobals ubiquity-dm: kde4breeze exited with code 0 ubiquity-dm: start kwin ubiquity-dm: start greeter OpenGL vendor string: Intel OpenGL renderer string: Mesa Intel(R) UHD Graphics (ICL GT1) OpenGL version string: 4.6 (Compatibility Profile) Mesa 20.3.4 OpenGL shading language version string: 4.60 Driver: Intel GPU class: Unknown OpenGL version: 4.6 GLSL version: 4.60 Mesa version: 20.3.4 X server version: 1.20.9 Linux kernel version: 5.8 Requires strict binding: yes GLSL shaders: yes Texture NPOT support: yes Virtual Machine: no qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 9782, resource id: 10485911, major code: 18 (ChangeProperty), minor code: 0 ubiquity-dm: greeter exited with code 1 qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 10778, resource id: 10485776, major code: 18 (ChangeProperty), minor code: 0 (II) Server terminated successfully (0). Closing log file. ubiquity-dm: Exiting with code 1