pi@gear4-pi:~$ sudo startx
xauth:  file /root/.Xauthority does not exist


X.Org X Server 1.12.4
Release Date: 2012-08-27
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.2.0-2-mx5 armv7l Debian
Current Operating System: Linux gear4-pi 3.6.11+ #474 PREEMPT Thu Jun 13 17:14:42 BST 2013 armv6l
Kernel command line: dma.dmachans=0x7f35 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2708.boardrev=0xd bcm2708.serial=0x922e3610 smsc95xx.macaddr=B8:27:EB:2E:36:10 sdhci-bcm2708.emmc_clock_freq=100000000 vc_mem.mem_base=0x1ec00000 vc_mem.mem_size=0x20000000  dwc_otg.lpm_enable=0 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p6 rootfstype=ext4 elevator=deadline rootwait
Build Date: 20 April 2013  05:19:09AM
xorg-server 2:1.12.4-6 (Julien Cristau <jcristau@debian.org>)
Current version of pixman: 0.29.3
	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: "/var/log/Xorg.0.log", Time: Tue Jul  2 19:48:41 2013
(==) Using system config directory "/usr/share/X11/xorg.conf.d"