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X-Authentication-Warning:	slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date:	Wed, 21 Jul 2004 18:12:03 -0400 (EDT)
From:	Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To:	cygwin AT cygwin DOT com
To:	cygwin AT cygwin DOT com
Subject:	Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
In-Reply-To:	<20040721204732.GB26588@cygbert.vinschen.de>
Message-ID:	<Pine.GSO.4.58.0407211802160.22264@slinky.cs.nyu.edu>
References:	<87n01xzci1 DOT fsf AT vzell-de DOT de DOT oracle DOT com> <20040719045351 DOT GA9614 AT trixie DOT casa DOT cgf DOT cx> <878ydgxozc DOT fsf AT vzell-de DOT de DOT oracle DOT com> <20040720114946 DOT GJ11473 AT cygbert DOT vinschen DOT de> <87briass3b DOT fsf AT vzell-de DOT de DOT oracle DOT com> <20040720151642 DOT GL11473 AT cygbert DOT vinschen DOT de> <Pine DOT GSO DOT 4 DOT 58 DOT 0407202057250 DOT 10093 AT slinky DOT cs DOT nyu DOT edu> <20040721082614 DOT GD21800 AT cygbert DOT vinschen DOT de> <Pine DOT GSO DOT 4 DOT 58 DOT 0407211411270 DOT 22264 AT slinky DOT cs DOT nyu DOT edu> <20040721204732 DOT GB26588 AT cygbert DOT vinschen DOT de>
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On Wed, 21 Jul 2004, Corinna Vinschen wrote:

> On Jul 21 14:47, Igor Pechtchanski wrote:
> > On Wed, 21 Jul 2004, Corinna Vinschen wrote:
> > > It makes a difference.  FWIW, Volker's message is printed from a function
> > > which only runs in case a process is using XSI shared memory and forks.
> > > cvs doesn't use XSI shared memory so the message you saw is very likely
> > > emitted by open_shared.
> >
> > Actually, this is what's weird.  The messages from open_shared() and
> > fixup_shms_after_fork() are subtly different, and I don't recall the name
> > of the shared region (or, for that matter, anything in single quotes)
> > being printed, so I guess the message came from fixup_shms_after_fork().
> > I've since tried to reproduce it under strace, and failed.  The three
> > times I saw the message, one was from inside cvs.exe, and two were from
> > inside ssh.exe, if that helps any.  The next time I get this error, I'll
>
> None of these apps use XSI shared memory.  In theory that only can happen
> if sph_list is not all zero in a forked application.  But that should only
> happen if the parent used XSI shared memory...
>
> > copy/paste the exact message and the exact sequence of actions that led to
> > it.  Please let me know what else I can do to help track this down.
>
> Do you have Cygserver running?  If yes, does that also happen if it
> doesn't run or CYGWIN != "server"?
>
> Corinna

Nope, I don't have cygserver running.  My $CYGWIN is "check_case:strict
ntsec notitle binmode nosmbntsec notty".  If you want to put some more
debugging info in all the places the above message can appear, I'll use
the new snapshot and if I trip the error again, I'll post the output.
	Igor
-- 
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to the bathroom is a major career booster."  -- Patrick Naughton

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