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Mail Archives: cygwin-developers/2002/06/30/08:15:06

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X-WM-Posted-At: avacado.atomice.net; Sun, 30 Jun 02 13:17:39 +0100
Message-ID: <007801c22030$2060f7a0$0100a8c0@advent02>
From: "Chris January" <chris AT atomice DOT net>
To: <cygwin-developers AT cygwin DOT com>
References: <3D1B4043 DOT EF2CA37A AT ieee DOT org> <3D1B4043 DOT EF2CA37A AT ieee DOT org> <3 DOT 0 DOT 5 DOT 32 DOT 20020627224059 DOT 0080d5b0 AT mail DOT attbi DOT com> <20020629031639 DOT GA14536 AT redhat DOT com> <005801c21f59$e116e680$0100a8c0 AT advent02> <20020629172702 DOT GA29746 AT redhat DOT com> <003301c2202a$61f9c7b0$0100a8c0 AT advent02>
Subject: Re: Slowdown
Date: Sun, 30 Jun 2002 13:17:39 +0100
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> > >>If this still happens to you after today's checkin, then I'd really
> > >>appreciate if you could track the problem down.
> > >
> > >I'm doing so now.  I have already provided a full stack backtrace, but
> > >I will attempt to track the error done myself.
> >
> > I saw the full stack backtrace.  It made no sense to me or I would have
> > investigated further.  If I was reading it correctly, cygwin was trying
> > to free some memory during initialization that should have been NULL.
> > AFAICT, it was trying to allocate the fd table during startup.  The fd
> > table should have been NULL at that point.
> It seems to be heap corruption as far as I can tell. The problem moved
> around when I inserted some printf's to see what where it was failing. So
> far I've seen it fail in cfree, _close, and fork_child.
> My CYGWIN environment variable is set to ntsec check_case:adjust ntea
> glob:noignorecase tty binmode.
> I will try to investigate further, but it might be better if someone more
> familiar with the recent changes has a look.
Ok - turns out I needed to type make clean... Doh!

Chris


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