Chromebook Plus crouton error log

Xorg.crouton.1.log

[  2623.408] _XSERVTransmkdir: Owner of /tmp/.X11-unix should be set to root
[  2623.412] 
X.Org X Server 1.15.1
Release Date: 2014-04-13
[  2623.412] X Protocol Version 11, Revision 0
[  2623.412] Build Operating System: Linux 3.2.0-67-highbank armv7l Ubuntu
[  2623.412] Current Operating System: Linux localhost 4.4.21-06459-ge91c124 #1 SMP PREEMPT Thu Feb 16 21:44:33 PST 2017 aarch64
[  2623.413] 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 3334144 verity payload=PARTUUID=12a8c470-5762-934e-adb4-39c1a1843329/PARTNROFF=1 hashtree=PARTUUID=12a8c470-5762-934e-adb4-39c1a1843329/PARTNROFF=1 hashstart=3334144 alg=sha1 root_hexdigest=e3e53317ec954498262bc23247e1d0a9952b1acf salt=202cffe272c3df43a1e5493b640bd893970a059823ea7fd76a30d42f355942aa" noinitrd vt.global_cursor_default=0 kern_guid=12a8c470-5762-934e-adb4-39c1a1843329  
[  2623.413] Build Date: 12 February 2015  02:55:07PM
[  2623.413] xorg-server 2:1.15.1-0ubuntu2.7 (For technical support please see http://www.ubuntu.com/support) 
[  2623.413] Current version of pixman: 0.30.2
[  2623.413]    Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
[  2623.414] Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[  2623.419] (++) Log file: "/tmp/Xorg.crouton.1.log", Time: Mon Feb 20 12:44:01 2017
[  2623.420] (++) Using config file: "/etc/X11/xorg-dummy.conf"
[  2623.420] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[  2623.423] (==) ServerLayout "Layout0"
[  2623.423] (**) |-->Screen "Screen0" (0)
[  2623.423] (**) |   |-->Monitor "Monitor0"
[  2623.424] (**) |   |-->Device "Card0"
[  2623.424] (**) Option "DontVTSwitch" "true"
[  2623.424] (**) Option "AllowMouseOpenFail" "true"
[  2623.424] (**) Option "AutoAddDevices" "false"
[  2623.424] (**) Option "AutoEnableDevices" "false"
[  2623.424] (**) Option "AutoAddGPU" "false"
[  2623.424] (**) Not automatically adding devices
[  2623.424] (**) Not automatically enabling devices
[  2623.424] (**) Not automatically adding GPU devices
[  2623.425] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[  2623.425]    Entry deleted from font path.
[  2623.425] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[  2623.425]    Entry deleted from font path.
[  2623.425] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[  2623.425]    Entry deleted from font path.
[  2623.425] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
[  2623.425]    Entry deleted from font path.
[  2623.425] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[  2623.425]    Entry deleted from font path.
[  2623.425] (==) FontPath set to:
        /usr/share/fonts/X11/misc,
        /usr/share/fonts/X11/Type1,
        built-ins
[  2623.425] (==) ModulePath set to "/usr/lib/arm-linux-gnueabihf/xorg/extra-modules,/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
[  2623.425] (==) |-->Input Device "<default pointer>"
[  2623.425] (==) |-->Input Device "<default keyboard>"
[  2623.425] (==) The core pointer device wasn't specified explicitly in the layout.
        Using the default mouse configuration.
[  2623.425] (==) The core keyboard device wasn't specified explicitly in the layout.
        Using the default keyboard configuration.
[  2623.425] (II) Loader magic: 0xab259f10
[  2623.425] (II) Module ABI versions:
[  2623.425]    X.Org ANSI C Emulation: 0.4
[  2623.425]    X.Org Video Driver: 15.0
[  2623.425]    X.Org XInput driver : 20.0
[  2623.425]    X.Org Server Extension : 8.0
[  2623.426] (II) xfree86: Adding drm device (/dev/dri/card1)
[  2623.431] (EE) 
[  2623.433] (EE) Backtrace:
[  2623.433] (EE) 
[  2623.433] (EE) Segmentation fault at address 0x0
[  2623.433] (EE) 
Fatal server error:
[  2623.434] (EE) Caught signal 11 (Segmentation fault). Server aborting
[  2623.434] (EE) 
[  2623.434] (EE) 
Please consult the The X.Org Foundation support 
         at http://wiki.x.org
 for help. 
[  2623.434] (EE) Please also check the log file at "/tmp/Xorg.crouton.1.log" for additional information.
[  2623.434] (EE)