error ubuntu precise (lxde) on chromebook using crouton

crouton_precise_lxde

chronos@localhost / $ sudo startlxde
Password: 
Enter encryption passphrase for precise: 
Entering /usr/local/chroots/precise...


X.Org X Server 1.11.3
Release Date: 2011-12-16
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.42-37-generic x86_64 Ubuntu
Current Operating System: Linux localhost 3.8.11 #1 SMP Thu Apr 24 19:23:29 PDT 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 2097152 verity payload=PARTUUID=ae559c4c-371a-1146-9114-47c96acd2a3d/PARTNROFF=1 hashtree=PARTUUID=ae559c4c-371a-1146-9114-47c96acd2a3d/PARTNROFF=1 hashstart=2097152 alg=sha1 root_hexdigest=9950902bff2ace0c230535f419efe8c10243be2b salt=db9c8efd37bb2e86642ddf1bb05336bdc0152e5fb86369475c126b390595028c" noinitrd vt.global_cursor_default=0 kern_guid=ae559c4c-371a-1146-9114-47c96acd2a3d add_efi_memmap boot=local noresume noswap i915.modeset=1 tpm_tis.force=1 tpm_tis.interrupts=0 nmi_watchdog=panic,lapic 
Build Date: 16 October 2013  04:41:23PM
xorg-server 2:1.11.4-0ubuntu10.14 (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: Fri May  9 14:20:47 2014
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
vesa: Ignoring device with a bound kernel driver
Obt-Message: Xinerama extension is not present on the server

(polkit-gnome-authentication-agent-1:26533): GLib-CRITICAL **: g_variant_new_string: assertion `string != NULL' failed

(polkit-gnome-authentication-agent-1:26533): 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
Openbox-Message: Requested key "XF86Terminal" does not exist on the display
Openbox-Message: Requested key "XF86Terminal" does not exist on the display

croutonversion

chronos@localhost /usr/local/chroots $ sudo enter-chroot croutonversion
Enter encryption passphrase for precise: 
Entering /usr/local/chroots/precise...
crouton: version 1-20140421214646~master:b766b319
release: precise
architecture: amd64
targets: lxde
host: version 5500.130.0 (Official Build) stable-channel leon 
Unmounting /usr/local/chroots/precise...