can not startx at cygwin on my xp, dell-inspiron 8600,laptop

[eric lin]

this is my /var/log/XWin.0.log
where I think problm cause, fail startx, please help, eric
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2010-01-05 14:39:20 MIT-SHM extension disabled due to lack of kernel support
2010-01-05 14:39:20 XFree86-Bigfont extension local-client optimization disabled due to lack of shared memory support in the kernel
2010-01-05 14:39:20 (II) AIGLX: Loaded and initialized /usr/lib/dri/swrast_dri.so
2010-01-05 14:39:20 (II) GLX: Initialized DRISWRAST GL provider for screen 0
2010-01-05 14:39:21 (EE) XKB: Could not invoke xkbcomp
2010-01-05 14:39:21 (EE) XKB: Couldn't compile keymap
2010-01-05 14:39:21 XKB: Failed to compile keymap
2010-01-05 14:39:21 Keyboard initialization failed. This could be a missing or incorrect setup of xkeyboard-config.
2010-01-05 14:39:21 
Fatal server error:
2010-01-05 14:39:21 Failed to activate core devices.
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after that I resintall xkb packages and install all packages in X11
 from cygwin's mirror soureware's http
it stll not work, ericlin at fsshl.zzn.com