# cat /var/log/Xorg.0.log
[  2216.778] 
X.Org X Server 1.19.5
Release Date: 2017-10-12
[  2216.778] X Protocol Version 11, Revision 0
[  2216.778] Build Operating System: Linux 4.12.12-gentoo x86_64 Gentoo
[  2216.778] Current Operating System: Linux tux 4.12.12-gentoo #4 SMP Fri Dec 22 18:57:54 MSK 2017 x86_64
[  2216.778] Kernel command line: BOOT_IMAGE=/vmlinuz-4.12.12-gentoo root=/dev/sdb3 ro nomodeset
[  2216.778] Build Date: 24 December 2017  08:09:52PM
[  2216.778]  
[  2216.778] Current version of pixman: 0.34.0
[  2216.778] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[  2216.778] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[  2216.778] (==) Log file: "/var/log/Xorg.0.log", Time: Sun Dec 24 20:18:26 2017
[  2216.778] (==) Using config directory: "/etc/X11/xorg.conf.d"
[  2216.778] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[  2216.778] (==) No Layout section.  Using the first Screen section.
[  2216.778] (==) No screen section available. Using defaults.
[  2216.778] (**) |-->Screen "Default Screen Section" (0)
[  2216.778] (**) |   |-->Monitor "<default monitor>"
[  2216.778] (==) No monitor specified for screen "Default Screen Section".
	Using a default monitor configuration.
[  2216.778] (==) Automatically adding devices
[  2216.778] (==) Automatically enabling devices
[  2216.778] (==) Automatically adding GPU devices
[  2216.778] (==) Max clients allowed: 256, resource mask: 0x1fffff
[  2216.778] (WW) The directory "/usr/share/fonts/misc/" does not exist.
[  2216.778] 	Entry deleted from font path.
[  2216.778] (WW) The directory "/usr/share/fonts/TTF/" does not exist.
[  2216.778] 	Entry deleted from font path.
[  2216.778] (WW) The directory "/usr/share/fonts/OTF/" does not exist.
[  2216.778] 	Entry deleted from font path.
[  2216.778] (WW) The directory "/usr/share/fonts/Type1/" does not exist.
[  2216.778] 	Entry deleted from font path.
[  2216.778] (WW) The directory "/usr/share/fonts/100dpi/" does not exist.
[  2216.778] 	Entry deleted from font path.
[  2216.778] (WW) The directory "/usr/share/fonts/75dpi/" does not exist.
[  2216.778] 	Entry deleted from font path.
[  2216.778] (==) FontPath set to:
	
[  2216.778] (==) ModulePath set to "/usr/lib64/xorg/modules"
[  2216.778] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[  2216.778] (II) Loader magic: 0x81cc60
[  2216.778] (II) Module ABI versions:
[  2216.778] 	X.Org ANSI C Emulation: 0.4
[  2216.778] 	X.Org Video Driver: 23.0
[  2216.778] 	X.Org XInput driver : 24.1
[  2216.778] 	X.Org Server Extension : 10.0
[  2216.779] (--) PCI:*(0:0:2:0) 8086:5916:103c:8363 rev 2, Mem @ 0xb2000000/16777216, 0xc0000000/268435456, I/O @ 0x00006000/64, BIOS @ 0x????????/131072
[  2216.779] (--) PCI: (0:1:0:0) 10de:134d:103c:8363 rev 162, Mem @ 0xb3000000/16777216, 0xa0000000/268435456, 0xb0000000/33554432, I/O @ 0x00005000/128
[  2216.779] (II) LoadModule: "glx"
[  2216.779] (II) Loading /usr/lib64/xorg/modules/extensions/libglx.so
[  2216.780] (II) Module glx: vendor="X.Org Foundation"
[  2216.780] 	compiled for 1.19.5, module version = 1.0.0
[  2216.780] 	ABI class: X.Org Server Extension, version 10.0
[  2216.780] (==) Matched intel as autoconfigured driver 0
[  2216.780] (==) Matched modesetting as autoconfigured driver 1
[  2216.780] (==) Matched fbdev as autoconfigured driver 2
[  2216.780] (==) Matched vesa as autoconfigured driver 3
[  2216.780] (==) Assigned the driver to the xf86ConfigLayout
[  2216.780] (II) LoadModule: "intel"
[  2216.780] (WW) Warning, couldn't open module intel
[  2216.780] (II) UnloadModule: "intel"
[  2216.780] (II) Unloading intel
[  2216.780] (EE) Failed to load module "intel" (module does not exist, 0)
[  2216.780] (II) LoadModule: "modesetting"
[  2216.780] (II) Loading /usr/lib64/xorg/modules/drivers/modesetting_drv.so
[  2216.780] (II) Module modesetting: vendor="X.Org Foundation"
[  2216.780] 	compiled for 1.19.5, module version = 1.19.5
[  2216.780] 	Module class: X.Org Video Driver
[  2216.780] 	ABI class: X.Org Video Driver, version 23.0
[  2216.780] (II) LoadModule: "fbdev"
[  2216.780] (WW) Warning, couldn't open module fbdev
[  2216.780] (II) UnloadModule: "fbdev"
[  2216.780] (II) Unloading fbdev
[  2216.780] (EE) Failed to load module "fbdev" (module does not exist, 0)
[  2216.780] (II) LoadModule: "vesa"
[  2216.780] (WW) Warning, couldn't open module vesa
[  2216.780] (II) UnloadModule: "vesa"
[  2216.780] (II) Unloading vesa
[  2216.780] (EE) Failed to load module "vesa" (module does not exist, 0)
[  2216.780] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[  2216.780] (--) using VT number 7

[  2216.783] (EE) open /dev/dri/card0: No such file or directory
[  2216.783] (WW) Falling back to old probe method for modesetting
[  2216.783] (EE) open /dev/dri/card0: No such file or directory
[  2216.783] (EE) Screen 0 deleted because of no matching config section.
[  2216.783] (II) UnloadModule: "modesetting"
[  2216.783] (EE) Device(s) detected, but none match those in the config file.
[  2216.783] (EE) 
Fatal server error:
[  2216.783] (EE) no screens found(EE) 
[  2216.783] (EE) 
Please consult the The X.Org Foundation support 
	 at http://wiki.x.org
 for help. 
[  2216.783] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[  2216.783] (EE) 
[  2216.789] (EE) Server terminated with error (1). Closing log file.