From owner-freebsd-stable@FreeBSD.ORG  Mon Feb  7 10:21:41 2005
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 9C61916A4CE
	for <freebsd-stable@freebsd.org>;
	Mon,  7 Feb 2005 10:21:41 +0000 (GMT)
Received: from obsecurity.dyndns.org
	(CPE0050040655c8-CM00111ae02aac.cpe.net.cable.rogers.com [69.199.47.57])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 6106343D45
	for <freebsd-stable@freebsd.org>;
	Mon,  7 Feb 2005 10:21:41 +0000 (GMT)
	(envelope-from kris@obsecurity.org)
Received: by obsecurity.dyndns.org (Postfix, from userid 1000)
	id 655535146E; Mon,  7 Feb 2005 02:21:40 -0800 (PST)
Date: Mon, 7 Feb 2005 02:21:40 -0800
From: Kris Kennaway <kris@obsecurity.org>
To: "Jos? M. Fandi?o" <freebsd4@fadesa.es>
Message-ID: <20050207102140.GA56842@xor.obsecurity.org>
References: <42073FD8.5CCA7EC5@fadesa.es>
Mime-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
	protocol="application/pgp-signature"; boundary="3V7upXqbjpZ4EhLz"
Content-Disposition: inline
In-Reply-To: <42073FD8.5CCA7EC5@fadesa.es>
User-Agent: Mutt/1.4.2.1i
cc: freebsd-stable@freebsd.org
Subject: Re: 50% of packets lost only on local interfaces
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Production branch of FreeBSD source code
	<freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
	<mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
	<mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 07 Feb 2005 10:21:41 -0000


--3V7upXqbjpZ4EhLz
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Mon, Feb 07, 2005 at 11:15:52AM +0100, Jos? M. Fandi?o wrote:
> "Jos? M. Fandi?o" wrote:
> >=20
> > Chris wrote:
> > >
> > > Have tested on 3 boxes.
> >=20
> > yes, it's the intended operation and If I don't see it I don't
> > believe it but it happens. I ever thought it would be possible.
>=20
> Finally, I found the culprit:
>=20
> CFLAGS=3D""     \  100% of the transmited traffic is received
> COPTFLAGS=3D""  /=20
>=20
> CFLAGS=3D -pipe     \  50% of the transmited traffic is received
> COPTFLAGS=3D -pipe  /

That would be exceedingly strange, because the above two options are
supposed to produce *no differences at all* with the code generation.

I'd believe that -O and no -O could behave differently, although I
don't know why you'd want to compile without -O.

Kris


--3V7upXqbjpZ4EhLz
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.0 (FreeBSD)

iD8DBQFCB0EzWry0BWjoQKURAvRwAKCrOZFPO5yl/I8jxI0FOHOFn/7TxgCgknfY
fkxZGLXokZ/P/0jYvWTK87g=
=JSVP
-----END PGP SIGNATURE-----

--3V7upXqbjpZ4EhLz--