can't use display :1 after cygwin upgrade

Gurpreet Bhullar
Wed Nov 15 21:18:00 GMT 2006

I recently upgraded cygwin and since then I cannot start X with
display set to :1. However display set to :0 works fine.
I invoke X as follows:
startx -- :1 -lesspointer -nodecoration -clipboard
I get error attached below. Note that with :0 X starts up as usual.
(I have to use a display other than :0 due to conflict with another app)
couple of observations:
1. netstat doesn't show 6000 or 6001 in use. When X is started with :0
   netstat does show 6000 in use.
2. I have XP SP1 and don't seem to have any firewall running afaik.
   (I can attach cygcheck log if req'd)
    Windows XP Professional Ver 5.1 Build 2600 Service Pack 1
    Cygwin DLL version info:
        DLL version: 1.5.22
    XFree86-lib-compat   4.3.0-2
3. There is no permissions problem with /tmp/.X11-unix folder
4. I've reinstalled cygwin to no avail...

>>>>>>>>>>>>>> Error Log >>>>>>>>>>>>>>
Welcome to the XWin X Server
Vendor: The Cygwin/X Project


XWin was started with the following command line:

/usr/X11R6/bin/X :1 -lesspointer -nodecoration -clipboard

_XSERVTransSocketINETCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: server already running

Fatal server error:
Cannot establish any listening sockets - Make sure an X server isn't already run
winDeinitMultiWindowWM - Noting shutdown in progress
X connection to localhost:1.0 broken (explicit kill or server shutdown).

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