Xorg.log for failing "Gnome on Xorg" session

Xorg.log

[ 17023.963] (--) Log file renamed from "/home/USER/.local/share/xorg/Xorg.pid-11696.log" to "/home/USER/.local/share/xorg/Xorg.0.log"
[ 17023.963] 
X.Org X Server 1.20.1
X Protocol Version 11, Revision 0
[ 17023.963] Build Operating System: Linux 4.4.0-134-generic x86_64 Ubuntu
[ 17023.963] Current Operating System: Linux valinor 4.18.0-8-lowlatency #9-Ubuntu SMP PREEMPT Mon Sep 10 22:28:31 UTC 2018 x86_64
[ 17023.963] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.18.0-8-lowlatency root=UUID=06d5f09c-095f-48b5-b863-9932af30cf73 ro quiet splash vt.handoff=1
[ 17023.963] Build Date: 05 September 2018  11:13:19AM
[ 17023.963] xorg-server 2:1.20.1-1ubuntu2 (For technical support please see http://www.ubuntu.com/support) 
[ 17023.963] Current version of pixman: 0.34.0
[ 17023.963] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[ 17023.963] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 17023.964] (==) Log file: "/home/USER/.local/share/xorg/Xorg.0.log", Time: Tue Oct  2 03:29:31 2018
[ 17023.964] (==) Using config file: "/etc/X11/xorg.conf"
[ 17023.964] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 17023.964] (==) ServerLayout "layout"
[ 17023.964] (**) |-->Screen "nvidia" (0)
[ 17023.964] (**) |   |-->Monitor "<default monitor>"
[ 17023.964] (**) |   |-->Device "nvidia"
[ 17023.964] (**) |   |-->GPUDevice "nvidia"
[ 17023.964] (==) No monitor specified for screen "nvidia".
	Using a default monitor configuration.
[ 17023.964] (**) |-->Inactive Device "intel"
[ 17023.964] (==) Automatically adding devices
[ 17023.964] (==) Automatically enabling devices
[ 17023.964] (==) Automatically adding GPU devices
[ 17023.964] (==) Automatically binding GPU devices
[ 17023.964] (==) Max clients allowed: 256, resource mask: 0x1fffff
[ 17023.964] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[ 17023.964] 	Entry deleted from font path.
[ 17023.964] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[ 17023.965] 	Entry deleted from font path.
[ 17023.965] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[ 17023.965] 	Entry deleted from font path.
[ 17023.965] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
[ 17023.965] 	Entry deleted from font path.
[ 17023.965] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[ 17023.965] 	Entry deleted from font path.
[ 17023.965] (==) FontPath set to:
	/usr/share/fonts/X11/misc,
	/usr/share/fonts/X11/Type1,
	built-ins
[ 17023.965] (==) ModulePath set to "/usr/lib/xorg/modules"
[ 17023.965] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 17023.965] (II) Loader magic: 0x55da87c53020
[ 17023.965] (II) Module ABI versions:
[ 17023.965] 	X.Org ANSI C Emulation: 0.4
[ 17023.965] 	X.Org Video Driver: 24.0
[ 17023.965] 	X.Org XInput driver : 24.1
[ 17023.965] 	X.Org Server Extension : 10.0
[ 17023.965] (++) using VT number 2

[ 17023.968] (II) systemd-logind: took control of session /org/freedesktop/login1/session/_349
[ 17023.968] (II) xfree86: Adding drm device (/dev/dri/card0)
[ 17023.969] (II) systemd-logind: got fd for /dev/dri/card0 226:0 fd 12 paused 0
[ 17023.971] (--) PCI:*(0@0:2:0) 8086:0166:1043:2103 rev 9, Mem @ 0xf7400000/4194304, 0xd0000000/268435456, I/O @ 0x0000f000/64, BIOS @ 0x????????/131072
[ 17023.971] (--) PCI: (1@0:0:0) 10de:0fd1:1043:2103 rev 161, Mem @ 0xf6000000/16777216, 0xe0000000/268435456, 0xf0000000/33554432, I/O @ 0x0000e000/128, BIOS @ 0x????????/524288
[ 17023.971] (II) LoadModule: "glx"
[ 17023.971] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 17023.972] (II) Module glx: vendor="X.Org Foundation"
[ 17023.972] 	compiled for 1.20.1, module version = 1.0.0
[ 17023.972] 	ABI class: X.Org Server Extension, version 10.0
[ 17023.972] (==) Matched modesetting as autoconfigured driver 0
[ 17023.972] (==) Matched fbdev as autoconfigured driver 1
[ 17023.972] (==) Matched vesa as autoconfigured driver 2
[ 17023.972] (==) Assigned the driver to the xf86ConfigLayout
[ 17023.972] (II) LoadModule: "modesetting"
[ 17023.972] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 17023.972] (II) Module modesetting: vendor="X.Org Foundation"
[ 17023.972] 	compiled for 1.20.1, module version = 1.20.1
[ 17023.972] 	Module class: X.Org Video Driver
[ 17023.972] 	ABI class: X.Org Video Driver, version 24.0
[ 17023.972] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[ 17023.972] (WW) Falling back to old probe method for modesetting
[ 17023.972] (II) modeset(1): using default device
[ 17023.972] (II) modeset(1): using default device
[ 17023.972] (II) modeset(G0): using drv /dev/dri/card0
[ 17023.972] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
[ 17023.972] (EE) Screen 0 deleted because of no matching config section.
[ 17023.972] (II) UnloadModule: "modesetting"
[ 17023.972] (EE) 
Fatal server error:
[ 17023.972] (EE) Cannot run in framebuffer mode. Please specify busIDs        for all framebuffer devices
[ 17023.972] (EE) 
[ 17023.972] (EE) 
Please consult the The X.Org Foundation support 
	 at http://wiki.x.org
 for help. 
[ 17023.972] (EE) Please also check the log file at "/home/USER/.local/share/xorg/Xorg.0.log" for additional information.
[ 17023.973] (EE) 
[ 17024.003] (EE) Server terminated with error (1). Closing log file.