Comment # 6 on bug 1152120 from Tom Hanker

(In reply to Stefan Dirsch from comment #5)
> Hmm. /var/log/Xorg.0.log should have been the right X logfile with the
> failure. Maybe you can login via the Linux console and start the Xserver
> manually
> 
>   Xorg -retro -logverbose 7 
> 
> and if that fails the logfile should be /var/log/Xorg.0.log.

i did, and failed. they wrote i should look at
/home/thekir/.local/share/xorg/Xorg.0.log" 

there is the same text as iin the konsole:

X.Org X Server 1.20.3
X Protocol Version 11, Revision 0
[    79.511] Build Operating System: openSUSE SUSE LINUX
[    79.512] Current Operating System: Linux localhost
4.12.14-lp151.28.16-default #1 SMP Wed Sep 18 05:32:19 UTC 2019 (3e458e0)
x86_64
[    79.512] Kernel command line:
BOOT_IMAGE=/boot/vmlinuz-4.12.14-lp151.28.16-default
root=UUID=fd2f5d02-cb97-4140-b43d-1b2e9cbfd86c
resume=/dev/disk/by-uuid/eec42edd-081a-45e5-9769-2871a6c7ccd3 splash=silent
quiet showopts
[    79.518] Build Date: 18 January 2019  12:00:00PM
[    79.520]  
[    79.522] Current version of pixman: 0.34.0
[    79.526]     Before reporting problems, check http://wiki.x.org
    to make sure that you have the latest version.
[    79.526] Markers: (--) probed, (**) from config file, (==) default setting,
    (++) from command line, (!!) notice, (II) informational,
    (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    79.534] (==) Log file: "/home/thekir/.local/share/xorg/Xorg.0.log", Time:
Thu Sep 26 16:03:36 2019
[    79.536] (==) Using config file: "/etc/X11/xorg.conf"
[    79.538] (==) Using config directory: "/etc/X11/xorg.conf.d"
[    79.540] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[    79.540] (==) ServerLayout "Layout0"
[    79.540] (**) |-->Screen "Screen0" (0)
[    79.540] (**) |   |-->Monitor "Monitor0"
[    79.540] (**) |   |-->Device "Device0"
[    79.540] (**) |-->Input Device "Keyboard0"
[    79.540] (**) |-->Input Device "Mouse0"
[    79.540] (==) Automatically adding devices
[    79.540] (==) Automatically enabling devices
[    79.540] (==) Automatically adding GPU devices
[    79.540] (==) Max clients allowed: 256, resource mask: 0x1fffff
[    79.540] (WW) The directory "/usr/share/fonts/misc/sgi" does not exist.
[    79.540]     Entry deleted from font path.
[    79.540] (==) FontPath set to:
    /usr/share/fonts/misc:unscaled,
    /usr/share/fonts/Type1/,
    /usr/share/fonts/100dpi:unscaled,
    /usr/share/fonts/75dpi:unscaled,
    /usr/share/fonts/ghostscript/,
    /usr/share/fonts/cyrillic:unscaled,
    /usr/share/fonts/truetype/,
    built-ins
[    79.540] (==) ModulePath set to "/usr/lib64/xorg/modules"
[    79.540] (WW) Ignoring unrecognized extension "XFree86-DGA"
[    79.540] (WW) Hotplugging is on, devices using drivers 'kbd', 'mouse' or
'vmmouse' will be disabled.
[    79.540] (WW) Disabling Keyboard0
[    79.541] (WW) Disabling Mouse0
[    79.541] (II) Loader magic: 0x562bb171fd20
[    79.541] (II) Module ABI versions:
[    79.541]     X.Org ANSI C Emulation: 0.4
[    79.541]     X.Org Video Driver: 24.0
[    79.541]     X.Org XInput driver : 24.1
[    79.541]     X.Org Server Extension : 10.0
[    79.542] (II) systemd-logind: took control of session
/org/freedesktop/login1/session/_31
[    79.542] (II) xfree86: Adding drm device (/dev/dri/card0)
[    79.542] (II) systemd-logind: got fd for /dev/dri/card0 226:0 fd 11 paused
0
[    79.543] (--) PCI:*(1@0:0:0) 10de:1d01:3842:6332 rev 161, Mem @
0xde000000/16777216, 0xc0000000/268435456, 0xd0000000/33554432, I/O @
0x0000e000/128, BIOS @ 0x????????/131072
[    79.543] (II) LoadModule: "glx"
[    79.543] (II) Loading /usr/lib64/xorg/modules/extensions/libglx.so
[    79.546] (II) Module glx: vendor="NVIDIA Corporation"
[    79.546]     compiled for 4.0.2, module version = 1.0.0
[    79.546]     Module class: X.Org Server Extension
[    79.546] (II) NVIDIA GLX Module  390.129  Tue Jul 23 00:23:45 PDT 2019
[    79.546] (II) LoadModule: "nvidia"
[    79.546] (II) Loading /usr/lib64/xorg/modules/drivers/nvidia_drv.so
[    79.546] (II) Module nvidia: vendor="NVIDIA Corporation"
[    79.546]     compiled for 4.0.2, module version = 1.0.0
[    79.546]     Module class: X.Org Video Driver
[    79.546] (II) NVIDIA dlloader X Driver  390.129  Mon Jul 22 23:59:27 PDT
2019
[    79.546] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[    79.546] (II) NVIDIA X compatibility module for ABI 24.0 built from
xorg-server-1.19.99.902
[    79.546] (II) X log verbosity: 7
[    79.546] (EE) 
Fatal server error:
[    79.546] (EE) parse_vt_settings: Cannot open /dev/tty0 (Permission denied)
[    79.546] (EE) 
[    79.546] (EE) 
Please consult the The X.Org Foundation support 
     at http://wiki.x.org
 for help. 
[    79.546] (EE) Please also check the log file at
"/home/thekir/.local/share/xorg/Xorg.0.log" for additional information.
[    79.546] (EE) 
[    79.546] (WW) xf86CloseConsole: KDSETMODE failed: Bad file descriptor
[    79.546] (WW) xf86CloseConsole: VT_GETMODE failed: Bad file descriptor
[    79.551] (EE) Server terminated with error (1). Closing log file.