"Can't read lock file" problem: Cygwin/X FAQ solution doesn't work for me

[Jon TURNEY]

Rich Signell wrote:
> Cygwin gurus,
> 
> After happily using cygwin-X for many years, I have just encountered
> my first true frustration.
> 
> After updating my cygwin distribution earlier this week, I found that
> I can no longer start X windows, getting the same "can't read lock
> file" that other users have experienced.
> 
> I tried the solution from the Cygwin FAQ
> (http://x.cygwin.com/docs/faq/cygwin-x-faq.html#q-cant-read-lock-file):
> 
>   $ rm -rf /tmp; mkdir /tmp ; chmod 1777 /tmp;  xinit -nolock
> 
> but this did not help.   Same problem.

xinit -nolock is not the right syntax for starting the server with -nolock. As 
'man xinit' says, server options follow a '--', so try 'xinit -- -nolock'

I did wonder if this is somehow related to running as a user who does not have 
administrator rights.  Is this true in your case?

Can you provide the output of 'strace Xwin' , please.

> Here is some more info that hopefully would help, and I'd be happy to
> work with someone more knowledgeable to try to diagnose and fix the
> issue:
> 
> $ more /var/log/Xwin.0.log
> 
> Welcome to the XWin X Server
> Vendor: The Cygwin/X Project
> Release: 1.5.3.0 (10503000)
> 
> Contact: cygwin-xfree@cygwin.com
> 
> XWin was started with the following command line:
> 
> X :0
> 
> ddxProcessArgument - Initializing default screens
> winInitializeDefaultScreens - w 1440 h 900
> winInitializeDefaultScreens - Returning
> 
> Fatal server error:
> Can't read lock file /tmp/.X0-lock
> 
> $ ls -sail /tmp
> total 0
>  1688849860281053 0 drwxrwxrwt+  3 rsignell Domain Users 0 Dec  4 07:07 .
>   281474976792025 0 drwxrwx---+ 13 rsignell Users        0 Dec  4 06:26 ..
> 37717646879254565 0 drwxrwxrwt+  2 rsignell Domain Users 0 Dec  4 07:07 .X11-unix


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