XWin Server fails to start with keymap failure,

["John T. Kerich" <johnkerich2 at hotmail dot com>]

I have google the web and found this type of problem in a number of
locations dating a back to 2011.  However, none of the checks so a problem
and no of the solutions fix the startup problem.  See after log.

The pop up error was:
A fatal error has occurred and Cygwin/X will now exit.
Failed to activate core devices.
Please open /var/log/xwin/XWin.0.log for more information.
Vendor:  The Cygwin/X Project
Release 1.17.1.0
Contact:  Cygwin@cygwin.com
Package: version 1.1.17.1-5 built 201505-01
XWin was started with the following command-line:
/usr/bin/XWin :0 ?multindow ?auth /home/JohnKerich/.serverauth.12262

============

cat /var/log/xwin/XWin.0.log

Could not load crashreporter dll
Welcome to the XWin X Server
Vendor: The Cygwin/X Project
Release: 1.17.1.0
OS: CYGWIN_NT-6.1 JohnKerich-PC 2.0.2(0.287/5/3) 2015-05-08 17:00 x86_64
OS: Windows 7 Service Pack 1 [Windows NT 6.1 build 7601] (Win64)
Package: version 1.17.1-4 built 2015-05-01

XWin was started with the following command line:

/usr/bin/XWin :1 -multiwindow -auth 
 /home/JohnKerich/.serverauth.8036 

ddxProcessArgument - Initializing default screens
winInitializeScreenDefaults - primary monitor w 1680 h 1050
winInitializeScreenDefaults - native DPI x 120 y 120
[  5752.318] Could not load crashreporter dll
[  5752.334] (II) xorg.conf is not supported
[  5752.334] (II) See http://x.cygwin.com/docs/faq/cygwin-x-faq.html for
more information
[  5752.334] LoadPreferences: /home/JohnKerich/.XWinrc not found
[  5752.334] LoadPreferences: Loading /etc/X11/system.XWinrc
[  5752.334] LoadPreferences: Done parsing the configuration file...
[  5752.380] winDetectSupportedEngines - DirectDraw4 installed, allowing
ShadowDDNL
[  5752.380] winDetectSupportedEngines - Returning, supported engines
00000005
[  5752.380] winSetEngine - Multi Window or Rootless => ShadowGDI
[  5752.380] winScreenInit - Using Windows display depth of 32 bits per
pixel
[  5752.380] winAllocateFBShadowGDI - Creating DIB with width: 1680 height:
1050 depth: 32
[  5752.396] winFinishScreenInitFB - Masks: 00ff0000 0000ff00 000000ff
[  5752.396] winInitVisualsShadowGDI - Masks 00ff0000 0000ff00 000000ff
BPRGB 8 d 24 bpp 32
[  5752.396] MIT-SHM extension disabled due to lack of kernel support
[  5752.396] XFree86-Bigfont extension local-client optimization disabled
due to lack of shared memory support in the kernel
[  5752.396] glWinSelectGLimplementation: Loaded 'cygnativeGLthunk.dll'
[  5752.474] (II) AIGLX: Testing pixelFormatIndex 5
[  5752.490] GL_VERSION:     4.5.0 NVIDIA 350.12
[  5752.490] GL_VENDOR:      NVIDIA Corporation
[  5752.490] GL_RENDERER:    GeForce GTX 650 Ti/PCIe/SSE2
[  5752.490] (II) AIGLX: enabled GLX_SGI_make_current_read
[  5752.490] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer
[  5752.490] (II) AIGLX: enabled GLX_SGI_swap_control and
GLX_MESA_swap_control
[  5752.490] (II) AIGLX: enabled GLX_SGIX_pbuffer
[  5752.490] (II) AIGLX: enabled GLX_ARB_multisample and
GLX_SGIS_multisample
[  5752.490] (II) 482 pixel formats reported by wglGetPixelFormatAttribivARB
[  5752.490] (II) AIGLX: Set GLX version to 1.4
[  5752.505] (II) 323 fbConfigs
[  5752.505] (II) ignored pixel formats: 0 not OpenGL, 54 RBGA float, 69
RGBA unsigned float, 0 unknown pixel type, 36 unaccelerated
[  5752.505] (II) GLX: Initialized Win32 native WGL GL provider for screen 0
[  5753.129] (EE) Error compiling keymap (server-1)
[  5753.129] (EE) xkbcomp exit status 32512
[  5753.145] (EE) XKB: Couldn't compile keymap
[  5753.145] (EE) XKB: Failed to load keymap. Loading default keymap
instead.
[  5753.223] (EE) Error compiling keymap (server-1)
[  5753.223] (EE) xkbcomp exit status 32512
[  5753.223] (EE) XKB: Couldn't compile keymap
[  5753.223] XKB: Failed to compile keymap
[  5753.223] Keyboard initialization failed. This could be a missing or
incorrect setup of xkeyboard-config.
[  5753.223] (EE) Fatal server error:
[  5753.223] (EE) Failed to activate core devices.(EE) 
[  5753.223] (EE) Server terminated with error (1). Closing log file.

===========

Things I have tried.
This problem started after I updated Cygwin.  I uninstalled Cygwin, deleted
all directories, and reinstalled.  No change.

Verify /var/tmp is 777.  It is.
$ ls -l
total 0
drwxr-xr-x+ 1 JohnKerich None 0 May 31 18:20 cache
drwxr-xr-x+ 1 JohnKerich None 0 May 31 18:20 lib
drwxrwxrwt+ 1 JohnKerich None 0 May 31 18:25 log
drwxrwxrwt+ 1 JohnKerich None 0 May 31 18:15 run
drwxrwxrwt+ 1 JohnKerich None 0 May 31 18:15 tmp

/var/lib/xkb/, but this directory didn't exist. ? Is does.
$ ls -l
total 0
drwxr-xr-x+ 1 JohnKerich None 0 May 31 18:15 alternatives
drwxr-xr-x+ 1 JohnKerich None 0 May 31 18:20 dbus
drwxr-xr-x+ 1 JohnKerich None 0 May 31 18:15 rebase
drwxr-xr-x+ 1 JohnKerich None 0 May 31 18:19 xkb

ls /usr/share/X11 - /usr/share/X11/xkb/compiled/ is pointing (symbolic link)
to /var/lib/xkb/, - I see no link
$ ls -l
total 80
drwxr-xr-x+ 1 JohnKerich None     0 May 31 18:18 locale
-rw-r--r--  1 JohnKerich None 17315 Jul 28  2013 rgb.txt
-rw-r--r--  1 JohnKerich None  1723 Mar 26 10:18 Xcms.txt
-rw-r--r--  1 JohnKerich None 42077 Mar 26 10:18 XErrorDB
drwxr-xr-x+ 1 JohnKerich None     0 May 31 18:19 xkb

5.1.6. Loading XKB keymaps fails
$ setxkbmap de -model pc105
Cannot open display "default display"

$ mount -b "$(cygpath -m /tmp)" /tmp
mount: unknown option -- b
Try `mount --help' for more information.

$ setxkbmap de -print | xkbcomp -w3 -xkm - :0.0
Cannot open display "default display"
Error:            Cannot open d

?  Check that /usr/bin/xkbcomp can be run from a bash shell. If that fails,
see if cygcheck /usr/bin/xkbcomp reports any missing DLLs.
$ cygcheck /usr/bin/xkbcomp
C:\cygwin64\bin\xkbcomp.exe
  C:\cygwin64\bin\cygwin1.dll
    C:\Windows\system32\KERNEL32.dll
      C:\Windows\system32\API-MS-Win-Core-RtlSupport-L1-1-0.dll
      C:\Windows\system32\ntdll.dll
      C:\Windows\system32\KERNELBASE.dll
      C:\Windows\system32\API-MS-Win-Core-ProcessThreads-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-Heap-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-Memory-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-Handle-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-Synch-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-File-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-IO-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-ThreadPool-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-LibraryLoader-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-NamedPipe-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-Misc-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-SysInfo-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-Localization-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-ProcessEnvironment-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-String-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-Debug-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-ErrorHandling-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-Fibers-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-Util-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Core-Profile-L1-1-0.dll
      C:\Windows\system32\API-MS-Win-Security-Base-L1-1-0.dll
  C:\cygwin64\bin\cygX11-6.dll
    C:\cygwin64\bin\cygxcb-1.dll
      C:\cygwin64\bin\cygXau-6.dll
      C:\cygwin64\bin\cygXdmcp-6.dll
  C:\cygwin64\bin\cygxkbfile-1.dll

9.15. Fatal server error: Failed to activate core devices.
cygcheck -c xkeyboard-config
Cygwin Package Information
Package              Version        Status
xkeyboard-config     2.14-1         OK

$ less /usr/lib/X11/xkb/README.config
/usr/lib/X11/xkb/README.config: No such file or directory

This is all I found googling.  I have no idea on how to proceed.  Any help
would be most appreciated.

John T. Kerich
7203 Morrison Drive
Greenbelt, MD 20770-2445
Johnkerich2@hotmail.com
301-982-0045 (H)
301-982-5138 (w)



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