startx

[    78.131]
X.Org X Server 1.17.2
Release Date: 2015-06-16
[    78.131] X Protocol Version 11, Revision 0
[    78.131] Build Operating System:  3.19.0-0.80.aa7a.aarch64
[    78.131] Current Operating System: Linux localhost.localdomain 4.2.0-3-xgene1 #4 SMP Fri Apr 22 22:19:38 PDT 2016 aarch64
[    78.132] Kernel command line: BOOT_IMAGE=/vmlinuz-4.2.0-3-xgene1 root=/dev/mapper/cla-root ro crashkernel=2048M@0M rd.lvm.lv=cla/root rd.lvm.lv=cla/swap console=ttyS0,115200 LANG=en_US.UTF-8
[    78.132] Build Date: 16 December 2015  10:57:50PM
[    78.132] Build ID: xorg-x11-server 1.17.2-10.el7
[    78.132] Current version of pixman: 0.32.6
[    78.132] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[    78.132] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    78.132] (==) Log file: "/var/log/Xorg.1.log", Time: Sat Apr 23 07:20:12 2016
[    78.133] (==) Using config file: "/etc/X11/xorg.conf"
[    78.133] (==) Using config directory: "/etc/X11/xorg.conf.d"
[    78.133] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[    78.133] (==) No Layout section.  Using the first Screen section.
[    78.133] (**) |-->Screen "Screen" (0)
[    78.133] (**) |   |-->Monitor "<default monitor>"
[    78.134] (**) |   |-->Device "GT70"
[    78.134] (==) No monitor specified for screen "Screen".
	Using a default monitor configuration.
[    78.134] (==) Automatically adding devices
[    78.134] (==) Automatically enabling devices
[    78.134] (==) Automatically adding GPU devices
[    78.134] (==) FontPath set to:
	catalogue:/etc/X11/fontpath.d,
	built-ins
[    78.134] (==) ModulePath set to "/usr/lib64/xorg/modules"
[    78.134] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[    78.134] (II) Loader magic: 0x2aab7820008
[    78.134] (II) Module ABI versions:
[    78.134] 	X.Org ANSI C Emulation: 0.4
[    78.134] 	X.Org Video Driver: 19.0
[    78.134] 	X.Org XInput driver : 21.0
[    78.134] 	X.Org Server Extension : 9.0
[    78.135] (--) PCI: (0:1:0:0) 10de:0092:10de:0052 rev 161, Mem @ 0xe140000000/16777216, 0xf000000000/268435456, 0xe141000000/16777216, I/O @ 0x00001000/128, BIOS @ 0x????????/131072
[    78.135] (--) PCI:*(2:2:0:0) 1a03:2000:1a03:2000 rev 48, Mem @ 0x9030000000/16777216, 0x9031000000/131072, I/O @ 0x00010000/128, BIOS @ 0x????????/65536
[    78.135] (II) LoadModule: "glx"
[    78.136] (II) Loading /usr/lib64/xorg/modules/extensions/libglx.so
[    78.227] (II) Module glx: vendor="X.Org Foundation"
[    78.227] 	compiled for 1.17.2, module version = 1.0.0
[    78.227] 	ABI class: X.Org Server Extension, version 9.0
[    78.227] (==) AIGLX enabled
[    78.227] (II) LoadModule: "nouveau"
[    78.228] (II) Loading /usr/lib64/xorg/modules/drivers/nouveau_drv.so
[    78.228] (II) Module nouveau: vendor="X.Org Foundation"
[    78.228] 	compiled for 1.17.2, module version = 1.0.11
[    78.228] 	Module class: X.Org Video Driver
[    78.228] 	ABI class: X.Org Video Driver, version 19.0
[    78.228] (II) NOUVEAU driver
[    78.228] (II) NOUVEAU driver for NVIDIA chipset families :
[    78.228] 	RIVA TNT        (NV04)
[    78.228] 	RIVA TNT2       (NV05)
[    78.228] 	GeForce 256     (NV10)
[    78.228] 	GeForce 2       (NV11, NV15)
[    78.228] 	GeForce 4MX     (NV17, NV18)
[    78.228] 	GeForce 3       (NV20)
[    78.228] 	GeForce 4Ti     (NV25, NV28)
[    78.228] 	GeForce FX      (NV3x)
[    78.228] 	GeForce 6       (NV4x)
[    78.228] 	GeForce 7       (G7x)
[    78.228] 	GeForce 8       (G8x)
[    78.228] 	GeForce GTX 200 (NVA0)
[    78.228] 	GeForce GTX 400 (NVC0)
[    78.229] (--) using VT number 2

[    78.230] (EE) No devices detected.
[    78.231] (EE)
Fatal server error:
[    78.231] (EE) no screens found(EE)
[    78.231] (EE)
Please consult the The X.Org Foundation support
	 at http://wiki.x.org
 for help.
[    78.231] (EE) Please also check the log file at "/var/log/Xorg.1.log" for additional information.
[    78.231] (EE)