crosh> shell
chronos@localhost / $ sudo startunity
Password:
Entering /mnt/stateful_partition/crouton/chroots/precise...
Failed to start message bus: Failed to open "/etc/selinux/targeted/contexts/dbus_contexts": No such file or directory
WARNING: starting chroot system dbus daemon failed with code 1

_XSERVTransmkdir: ERROR: euid != 0,directory /tmp/.X11-unix will not be created.

X.Org X Server 1.15.1
Release Date: 2014-04-13
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.42-75-generic x86_64 Ubuntu
Current Operating System: Linux localhost 3.18.0-13437-g2bea612c #1 SMP PREEMPT Fri Jan 6 23:51:36 PST 2017 x86_64
Kernel command line: cros_secure console= loglevel=7 init=/sbin/init cros_secure oops=panic panic=-1 root=/dev/dm-0 rootwait ro dm_verity.error_behavior=3 dm_verity.max_bios=-1 dm_verity.dev_wait=1 dm="1 vroot none ro 1,0 3584000 verity payload=PARTUUID=37a48586-4522-0341-afc2-e07a88425af2/PARTNROFF=1 hashtree=PARTUUID=37a48586-4522-0341-afc2-e07a88425af2/PARTNROFF=1 hashstart=3584000 alg=sha1 root_hexdigest=038a78fc7ba4311eac66dda369f23104f96646d7 salt=5725c7173c8a8e0af88e67020c543187be115c8643cdcef7b356b56ad9df0776" noinitrd vt.global_cursor_default=0 kern_guid=37a48586-4522-0341-afc2-e07a88425af2 add_efi_memmap boot=local noresume noswap i915.modeset=1 tpm_tis.force=1 tpm_tis.interrupts=0 nmi_watchdog=panic,lapic
Build Date: 12 February 2015  03:37:52PM
xorg-server 2:1.15.1-0ubuntu2~precise5 (For technical support please see http://www.ubuntu.com/support)
Current version of pixman: 0.30.2
        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: "/tmp/Xorg.crouton.1.log", Time: Wed Feb 22 20:50:12 2017
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
setversion 1.4 failed: Permission denied
Initializing built-in extension Generic Event Extension
Initializing built-in extension SHAPE
Initializing built-in extension MIT-SHM
Initializing built-in extension XInputExtension
Initializing built-in extension XTEST
Initializing built-in extension BIG-REQUESTS
Initializing built-in extension SYNC
Initializing built-in extension XKEYBOARD
Initializing built-in extension XC-MISC
Initializing built-in extension SECURITY
Initializing built-in extension XINERAMA
Initializing built-in extension XFIXES
Initializing built-in extension RENDER
Initializing built-in extension RANDR
Initializing built-in extension COMPOSITE
Initializing built-in extension DAMAGE
Initializing built-in extension MIT-SCREEN-SAVER
Initializing built-in extension DOUBLE-BUFFER
Initializing built-in extension RECORD
Initializing built-in extension DPMS
Initializing built-in extension X-Resource
Initializing built-in extension XVideo
Initializing built-in extension XVideo-MotionCompensation
Initializing built-in extension XFree86-VidModeExtension
Initializing built-in extension XFree86-DGA
Initializing built-in extension XFree86-DRI
Initializing built-in extension DRI2
Loading extension GLX
xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)
[intel_init_bufmgr:1069] Error initializing buffer manager.
setversion 1.4 failed: Permission denied
crouton: version 1-20170221154705~master:2b92f2b8
release: precise
architecture: amd64
xmethod: xorg
targets: unity
host: version 8872.76.0 (Official Build) stable-channel cyan
kernel: Linux localhost 3.18.0-13437-g2bea612c #1 SMP PREEMPT Fri Jan 6 23:51:36 PST 2017 x86_64 x86_64 x86_64 GNU/Linux
freon: yes
Running exit commands...
/usr/bin/xinit: connection to X server lost

waiting for X server to shut down Hangup
(EE) Server terminated successfully (0). Closing log file.

Not unmounting /mnt/stateful_partition/crouton/chroots/precise as another instance is using it.