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new case for "XWin Server fails to start with keymap failure"


Since a recent massive update of Cygwin, I am not able to run startx (see beyond for complete output).
I have already closely followed the FAQ 9.15 and 9.16. , with no success.
I have, most notably, completely rebased Cygwin .
I have also checked the similar previous case here :, but the special version of strace.exe for diagnosis is no more available here :
Regular strace provide this :
$ strace -o log XWin
0 [main] strace (7872) C:\cygwin\bin\strace.exe: *** fatal error - cygheap base mismatch detected - 0x612FB400/0x26FB400. This problem is probably due to using incompatible versions of the cygwin DLL.
Search for cygwin1.dll using the Windows Start->Find/Search facility
and delete all but the most recent version. The most recent version *should*
reside in x:\cygwin\bin, where 'x' is the drive on which you have
installed the cygwin distribution.  Rebooting is also suggested if you
are unable to find another cygwin DLL.
Segmentation fault

However, I have already checked cygwin1.dll, rebased everything and rebooted many time. startx still does not work.

Any help appreciated.

Benoit THIERRY (a french user)

Original Xwin error :

$ startx

Welcome to the XWin X Server
Vendor: The Cygwin/X Project
OS: CYGWIN_NT-6.1-WOW Nostromo 2.3.1(0.291/5/3) 2015-11-14 12:42 i686
OS: Windows 7 Service Pack 1 [Windows NT 6.1 build 7601] (WoW64)
Package: version 1.17.4-1 built 2015-10-29

XWin was started with the following command line:

/usr/bin/X :0 -auth /home/Dallas/.serverauth.6332

(II) xorg.conf is not supported
(II) See for more information
LoadPreferences: /home/Dallas/.XWinrc not found
LoadPreferences: Loading /etc/X11/system.XWinrc
LoadPreferences: Done parsing the configuration file...
winDetectSupportedEngines - DirectDraw4 installed, allowing ShadowDDNL
winDetectSupportedEngines - Returning, supported engines 00000005
winSetEngine - Using Shadow DirectDraw NonLocking
winScreenInit - Using Windows display depth of 32 bits per pixel
winWindowProc - WM_SIZE - new client area w: 1904 h: 1092
winFinishScreenInitFB - Masks: 00ff0000 0000ff00 000000ff
MIT-SHM extension disabled due to lack of kernel support
XFree86-Bigfont extension local-client optimization disabled due to lack of shared memory support in the kernel
(EE) AIGLX: No native OpenGL in modes with a root window
(II) AIGLX: enabled GLX_MESA_copy_sub_buffer
(II) AIGLX: enabled GLX_EXT_texture_from_pixmap
(II) AIGLX: Loaded and initialized swrast
(II) GLX: Initialized DRISWRAST GL provider for screen 0
(EE) Error compiling keymap (server-0)
(EE) xkbcomp exit status 0x7f00
(EE) XKB: Couldn't compile keymap
(EE) XKB: Failed to load keymap. Loading default keymap instead.
(EE) Error compiling keymap (server-0)
(EE) xkbcomp exit status 0x7f00
(EE) XKB: Couldn't compile keymap
XKB: Failed to compile keymap
Keyboard initialization failed. This could be a missing or incorrect setup of xkeyboard-config.
(EE) Fatal server error:
(EE) Failed to activate core devices.(EE)
(EE) Server terminated with error (1). Closing log file.
winDeinitMultiWindowWM - Noting shutdown in progress
xinit: giving up
xinit: unable to connect to X server: Connection refused
xinit: server error

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