X startup hangs

["electa" <electabuzz at katamail dot com>]

When i try to start X with command:
$ startx

it hangs after a few lines of output:

Welcome to the XWin X Server
Vendor: The Cygwin/X Project
Release: 6.7.0.0-10

Contact: cygwin-xfree@cygwin.com

XWin was started with the following command line:

X :0 -multiwindow -clipboard

_XSERVTransmkdir: Owner of /tmp/.X11-unix should be set to root
winValidateArgs - g_iNumScreens: 1 iMaxConsecutiveScreen: 1
(II) XF86Config is not supported
(II) See http://x.cygwin.com/docs/faq/cygwin-x-faq.html for more information
winDetectSupportedEngines - Windows NT/2000/XP
winDetectSupportedEngines - DirectDraw installed
winDetectSupportedEngines - DirectDraw4 installed
winDetectSupportedEngines - Returning, supported engines 00000007
winSetEngine - Multi Window or Rootless => ShadowGDI
winAdjustVideoModeShadowGDI - Using Windows display depth of 16 bits per
pixel
winAllocateFBShadowGDI - Creating DIB with width: 1024 height: 734 depth: 16
winFinishScreenInitFB - Masks: 0000f800 000007e0 0000001f
winInitVisualsShadowGDI - Masks 0000f800 000007e0 0000001f BPRGB 6 d 16 bpp
16
null screen fn ReparentWindow
null screen fn RestackWindow
InitQueue - Calling pthread_mutex_init
InitQueue - pthread_mutex_init returned
InitQueue - Calling pthread_cond_init
InitQueue - pthread_cond_init returned
winInitMultiWindowWM - Hello
winInitMultiWindowWM - Calling pthread_mutex_lock ()
winMultiWindowXMsgProc - Hello
winMultiWindowXMsgProc - Calling pthread_mutex_lock ()
MIT-SHM extension disabled due to lack of kernel support
XFree86-Bigfont extension local-client optimization disabled due to lack of
shar
ed memory support in the kernel
(--) Setting autorepeat to delay=500, rate=31
(--) winConfigKeyboard - Layout: "00000410" (00000410)
(--) Using preset keyboard for "Italian" (410), type "4"
Rules = "xorg" Model = "pc105" Layout = "it" Variant = "(null)" Options =
"(null
)"

at this point output stops, and no window appear.
with 'ps' I can see that Xwin.exe and xinit.exe are both running (in winXp
task manager too)

trying with startxwin.bat, I get the same output and again no window.