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Re: A vexing installation problem


On Mon, 29 Nov 2004, David Hinds wrote:

> On Mon, Nov 29, 2004 at 06:22:35PM -0500, Larry Hall wrote:
> >
> > Yeah, I understand.  This is certainly not your everyday issue, as you've
> > noticed.  I suppose it's worthwhile to look at the settings for the Windows
> > firewall to see if it's being overly restrictive or limiting in some way.
> > Sorry, I don't have any other ideas other than getting down into it with
> > more details...
>
> Ok, this is really odd...
>
> I just noticed that every now and then, when I run a cygwin program
> with the new DLL, it actually does work.  Maybe 10% of the time when I
> invoke a shell, I actually get a working shell, which then appears to
> be fully functional: all its children behave normally.  Also, once I
> have a working shell running, I can also open new shells from the
> desktop and they work 100% of the time.

This suggests some sort of a problem with the Cygwin DLL initialization
code -- something that's very hard to debug.  Try looking at the CVS
history for the Cygwin initialization code between the 1.5.5 and 1.5.6
releases.

As a workaround, you could try adding a Cygwin service that starts
automatically on reboot and would restart indefinitely until it starts up
successfully.  It doesn't have to do anything fancy, a simple 'while true;
do sleep 600; done' should be enough.  If my guess is correct, there's a
10% chance that the service will initialize the Cygwin DLL properly, and
you'll be able to use other Cygwin programs from that point on.

HTH,
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_		pechtcha@cs.nyu.edu
ZZZzz /,`.-'`'    -.  ;-;;,_		igor@watson.ibm.com
     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski, Ph.D.
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

"The Sun will pass between the Earth and the Moon tonight for a total
Lunar eclipse..." -- WCBS Radio Newsbrief, Oct 27 2004, 12:01 pm EDT

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