Terminal output after switch BACK to Chrome OS

gistfile1.txt

chronos@localhost ~/Downloads $ sudo startxfce4
Entering /mnt/stateful_partition/crouton/chroots/precise...
/usr/bin/startxfce4: Starting X server


X.Org X Server 1.15.1
Release Date: 2014-04-13
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.42-61-generic x86_64 Ubuntu
Current Operating System: Linux localhost 3.10.18 #1 SMP Wed Nov 5 23:26:34 PST 2014 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 2506752 verity payload=PARTUUID=280f836e-3ea1-e647-b470-8c3dc6b658ca/PARTNROFF=1 hashtree=PARTUUID=280f836e-3ea1-e647-b470-8c3dc6b658ca/PARTNROFF=1 hashstart=2506752 alg=sha1 root_hexdigest=bc20d0e9c47fd97eb55da96a8e4a886d487ed1b5 salt=42c1e795b31373cb95de256dbd895e28349d545e383f655ac4d9b39fd06a6561" noinitrd vt.global_cursor_default=0 kern_guid=280f836e-3ea1-e647-b470-8c3dc6b658ca add_efi_memmap boot=local noresume noswap i915.modeset=1 tpm_tis.force=1 tpm_tis.interrupts=0 nmi_watchdog=panic,lapic 
Build Date: 07 August 2014  11:49:36AM
xorg-server 2:1.15.1-0ubuntu2~precise2 (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: "/var/log/Xorg.1.log", Time: Tue Nov 11 13:25:55 2014
(==) 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
setversion 1.4 failed: Permission denied

(Thunar:18144): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(xfce4-panel:18146): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(xfce4-session:18131): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(xfwm4:18142): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(xfdesktop:18148): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(xfsettingsd:18147): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(xfce4-terminal:18150): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(wrapper:18159): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(wrapper:18167): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(polkit-gnome-authentication-agent-1:18170): GLib-CRITICAL **: g_variant_new_string: assertion `string != NULL' failed

(polkit-gnome-authentication-agent-1:18170): polkit-gnome-1-WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files

(x-www-browser:18188): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",

(xfdesktop:18148): GLib-GIO-CRITICAL **: g_file_get_path: assertion `G_IS_FILE (file)' failed

(xfdesktop:18148): GLib-GIO-CRITICAL **: g_file_get_path: assertion `G_IS_FILE (file)' failed

(xfdesktop:18148): GLib-GIO-CRITICAL **: g_file_get_path: assertion `G_IS_FILE (file)' failed
(II) AIGLX: Suspending AIGLX clients for VT switch