Xorg "XKB: Could not invoke xkbcomp" error

[ 17033.910]
X.Org X Server 1.20.1
X Protocol Version 11, Revision 0
[ 17033.911] Build Operating System: Linux 4.4.0-138-generic x86_64 Ubuntu
[ 17033.911] Current Operating System: Linux google-cloud-vm 4.18.0-1007-gcp #8-Ubuntu SMP Thu Feb 14 08:55:26 UTC 2019 x86_64
[ 17033.911] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.18.0-1007-gcp root=PARTUUID=f9cf6b3d-523b-4bf3-bf36-8b67674a34fb ro scsi_mod.u$
[ 17033.911] Build Date: 25 October 2018  02:53:34PM
[ 17033.911] xorg-server 2:1.20.1-3ubuntu2.1 (For technical support please see http://www.ubuntu.com/support)
[ 17033.911] Current version of pixman: 0.34.0
[ 17033.911]    Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
[ 17033.911] Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 17033.912] (++) Log file: "/tmp/Xlog0", Time: Fri Mar 15 21:54:05 2019
[ 17034.071] (++) Using config file: "/etc/xpra/xorg.conf"
[ 17034.071] (==) Using config directory: "/etc/X11/xorg.conf.d"
[ 17034.071] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 17034.140] (==) ServerLayout "dummy_layout"
[ 17034.140] (**) |-->Screen "dummy_screen" (0)
[ 17034.140] (**) |   |-->Monitor "dummy_monitor"
[ 17034.143] (**) |   |-->Device "dummy_videocard"
[ 17034.143] (**) Option "DontVTSwitch" "true"
[ 17034.143] (**) Option "AllowMouseOpenFail" "true"
[ 17034.143] (**) Option "AutoAddDevices" "false"
[ 17034.143] (**) Option "AutoEnableDevices" "false"
[ 17034.143] (**) Not automatically adding devices
[ 17034.143] (**) Not automatically enabling devices
[ 17034.143] (==) Automatically adding GPU devices
[ 17034.143] (==) Automatically binding GPU devices
[ 17034.146] (==) Max clients allowed: 256, resource mask: 0x1fffff
[ 17034.285] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[ 17034.285]    Entry deleted from font path.
[ 17034.285] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[ 17034.285]    Entry deleted from font path.
[ 17034.285] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[ 17034.285]    Entry deleted from font path.
[ 17034.285] (WW) The directory "/usr/share/fonts/X11/Type1" does not exist.
[ 17034.285]    Entry deleted from font path.
[ 17034.285] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
[ 17034.285]    Entry deleted from font path.
[ 17034.285] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[ 17034.285]    Entry deleted from font path.
[ 17034.286] (==) FontPath set to:
        /usr/share/fonts/X11/misc,
        built-ins
[ 17034.286] (==) ModulePath set to "/usr/lib/xorg/modules"
[ 17034.286] (==) |-->Input Device "<default pointer>"
[ 17034.286] (==) |-->Input Device "<default keyboard>"
[ 17034.286] (==) The core pointer device wasn't specified explicitly in the layout.
        Using the default mouse configuration.
[ 17034.286] (==) The core keyboard device wasn't specified explicitly in the layout.
        Using the default keyboard configuration.
[ 17034.286] (II) Loader magic: 0x5651b055e020
[ 17034.286] (II) Module ABI versions:
[ 17034.286]    X.Org ANSI C Emulation: 0.4
[ 17034.286]    X.Org Video Driver: 24.0
[ 17034.286]    X.Org XInput driver : 24.1
[ 17034.286]    X.Org Server Extension : 10.0
[ 17034.313] (II) systemd-logind: took control of session /org/freedesktop/login1/session/_32
[ 17034.315] (II) LoadModule: "glx"
[ 17034.332] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 17034.585] (II) Module glx: vendor="X.Org Foundation"
[ 17034.585]    compiled for 1.20.1, module version = 1.0.0
[ 17034.585]    ABI class: X.Org Server Extension, version 10.0
[ 17034.586] (II) LoadModule: "dummy"
[ 17034.595] (II) Loading /usr/lib/xorg/modules/drivers/dummy_drv.so
[ 17034.622] (II) Module dummy: vendor="X.Org Foundation"
[ 17034.622]    compiled for 1.20.1, module version = 0.3.8
[ 17034.622]    Module class: X.Org Video Driver
[ 17034.622]    ABI class: X.Org Video Driver, version 24.0
[ 17034.622] (II) LoadModule: "mouse"
[ 17034.622] (II) Loading /usr/lib/xorg/modules/input/mouse_drv.so
[ 17034.622] (II) Module mouse: vendor="X.Org Foundation"
[ 17034.622]    compiled for 1.20.0, module version = 1.9.3
[ 17034.622]    Module class: X.Org XInput Driver
[ 17034.622]    ABI class: X.Org XInput driver, version 24.1
[ 17034.622] (II) LoadModule: "kbd"
[ 17034.622] (II) Loading /usr/lib/xorg/modules/input/kbd_drv.so
[ 17034.622] (II) Module kbd: vendor="X.Org Foundation"
[ 17034.622]    compiled for 1.19.3, module version = 1.9.0
[ 17034.622]    Module class: X.Org XInput Driver
[ 17034.622]    ABI class: X.Org XInput driver, version 24.1
[ 17034.622] (II) DUMMY: Driver for Dummy chipsets: dummy
[ 17034.622] (WW) Falling back to old probe method for dummy
[ 17034.622] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
[ 17034.622] (II) DUMMY(0): Chipset is a DUMMY
[ 17034.622] (**) DUMMY(0): Depth 24, (--) framebuffer bpp 32
[ 17034.622] (==) DUMMY(0): RGB weight 888
[ 17034.622] (==) DUMMY(0): Default visual is TrueColor
[ 17034.622] (==) DUMMY(0): Using gamma correction (1.0, 1.0, 1.0)
[ 17034.622] (DB) xf86MergeOutputClassOptions unsupported bus type 0
[ 17034.622] (**) DUMMY(0): Option "ConstantDPI" "true"
[ 17034.622] (**) DUMMY(0): VideoRAM: 256000 kByte
[ 17034.622] (**) DUMMY(0): Max Clock: 600000 kHz
[ 17034.622] (II) DUMMY(0): dummy_monitor: Using hsync range of 1.00-2000.00 kHz
[ 17034.622] (II) DUMMY(0): dummy_monitor: Using vrefresh range of 1.00-200.00 Hz
[ 17034.622] (II) DUMMY(0): Clock range:  11.00 to 600.00 MHz
[ 17034.622] (II) DUMMY(0): Not using mode "7680x4320" (height too large for virtual size)
[ 17034.623] (II) DUMMY(0): Not using default mode "320x180" (bad mode clock/interlace/doublescan)
[ 17034.623] (II) DUMMY(0): Not using default mode "320x180" (bad mode clock/interlace/doublescan)
[ 17034.623] (II) DUMMY(0): Not using default mode "360x202" (bad mode clock/interlace/doublescan)
[ 17034.623] (II) DUMMY(0): Not using default mode "1368x768" (monitor doesn't support reduced blanking)
[ 17034.623] (II) DUMMY(0): Not using default mode "15360x8640" (insufficient memory for mode)
[ 17034.623] (II) DUMMY(0): Not using default mode "15360x8640" (insufficient memory for mode)
[ 17039.089] (II) DUMMY(0): Virtual size is 8192x4096 (pitch 8192)
[ 17039.089] (**) DUMMY(0): *Mode "8192x4096": 193.3 MHz, 21.5 kHz, 5.0 Hz
[ 17039.089] (II) DUMMY(0): Modeline "8192x4096"x5.0  193.35  8192 8224 8952 8984  4096 4196 4200 4301 (21.5 kHz z)
    <snip long sequence of "Mode" and "Modeline"lines>
[ 17039.107] (==) DUMMY(0): DPI set to (96, 96)
[ 17039.107] (II) Loading sub module "fb"
[ 17039.107] (II) LoadModule: "fb"
[ 17039.107] (II) Loading /usr/lib/xorg/modules/libfb.so
[ 17039.138] (II) Module fb: vendor="X.Org Foundation"
[ 17039.138]    compiled for 1.20.1, module version = 1.0.0
[ 17039.138]    ABI class: X.Org ANSI C Emulation, version 0.4
[ 17039.138] (II) Loading sub module "ramdac"
[ 17039.138] (II) LoadModule: "ramdac"
[ 17039.138] (II) Module "ramdac" already built-in
[ 17039.161] (II) DUMMY(0): Using 3904 scanlines of offscreen memory
[ 17039.161] (==) DUMMY(0): Backing store enabled
[ 17039.161] (==) DUMMY(0): Silken mouse enabled
[ 17039.164] (II) Initializing extension Generic Event Extension
[ 17039.165] (II) Initializing extension SHAPE
[ 17039.165] (II) Initializing extension MIT-SHM
[ 17039.165] (II) Initializing extension XInputExtension
[ 17039.167] (II) Initializing extension XTEST
[ 17039.167] (II) Initializing extension BIG-REQUESTS
[ 17039.167] (II) Initializing extension SYNC
[ 17039.167] (II) Initializing extension XKEYBOARD
[ 17039.167] (II) Initializing extension XC-MISC
[ 17039.167] (II) Initializing extension SECURITY
[ 17039.168] (II) Initializing extension XFIXES
[ 17039.168] (II) Initializing extension RENDER
[ 17039.168] (II) Initializing extension RANDR
[ 17039.168] (II) Initializing extension COMPOSITE
[ 17039.168] (II) Initializing extension DAMAGE
[ 17039.168] (II) Initializing extension MIT-SCREEN-SAVER
[ 17039.168] (II) Initializing extension DOUBLE-BUFFER
[ 17039.168] (II) Initializing extension RECORD
[ 17039.168] (II) Initializing extension DPMS
[ 17039.168] (II) Initializing extension Present
[ 17039.168] (II) Initializing extension DRI3
[ 17039.169] (II) Initializing extension X-Resource
[ 17039.169] (II) Initializing extension XVideo
[ 17039.169] (II) Initializing extension XVideo-MotionCompensation
[ 17039.169] (II) Initializing extension SELinux
[ 17039.169] (II) SELinux: Disabled on system
[ 17039.169] (II) Initializing extension GLX
[ 17039.170] (II) AIGLX: Screen 0 is not DRI2 capable
[ 17041.103] (II) IGLX: Loaded and initialized swrast
[ 17041.103] (II) GLX: Initialized DRISWRAST GL provider for screen 0
[ 17041.103] (II) Initializing extension XFree86-VidModeExtension
[ 17041.103] (II) Initializing extension XFree86-DGA
[ 17041.103] (II) Initializing extension XFree86-DRI
[ 17041.103] (II) Initializing extension DRI2
[ 17041.467] (EE) XKB: Could not invoke xkbcomp
[ 17041.472] (EE) XKB: Couldn't compile keymap
[ 17041.472] (EE) XKB: Failed to load keymap. Loading default keymap instead.
[ 17041.474] (EE) XKB: Could not invoke xkbcomp
[ 17041.474] (EE) XKB: Couldn't compile keymap
[ 17041.474] XKB: Failed to compile keymap
[ 17041.474] Keyboard initialization failed. This could be a missing or incorrect setup of xkeyboard-config.
[ 17041.474] (EE)
Fatal server error:
[ 17041.474] (EE) Failed to activate virtual core keyboard: 2(EE)
[ 17041.475] (EE)
Please consult the The X.Org Foundation support
         at http://wiki.x.org
 for help.
[ 17041.475] (EE) Please also check the log file at "/tmp/Xlog0" for additional information.
[ 17041.475] (EE)
[ 17041.476] (EE) Server terminated with error (1). Closing log file.