$ startx
xauth:  file /home/grom/.serverauth.5759 does not exist


X.Org X Server 1.20.3
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.17.6-gentoo x86_64 Gentoo
Current Operating System: Linux keeshta 4.17.6-gentoo #1 SMP Sun Jul 15 07:30:57 CEST 2018 x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.17.6-gentoo root=/dev/sda4 ro
Build Date: 11 November 2018  09:47:45PM

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: "/home/grom/.local/share/xorg/Xorg.0.log", Time: Mon Nov 12 17:47:34 2018
				(==) Using config directory: "/etc/X11/xorg.conf.d"
				(==) Using system config directory "/usr/share/X11/xorg.conf.d"
				(EE)
				Fatal server error:
				(EE) parse_vt_settings: Cannot open /dev/tty0 (Permission denied)
				(EE)
				(EE)
				Please consult the The X.Org Foundation support
				         at http://wiki.x.org
					  for help.
					  (EE) Please also check the log file at "/home/grom/.local/share/xorg/Xorg.0.log" for additional information.
					  (EE)
					  (EE) Server terminated with error (1). Closing log file.
					  xinit: giving up
					  xinit: unable to connect to X server: Cannot assign requested address
					  xinit: server error
					  Couldn't get a file descriptor referring to the console