From owner-freebsd-hackers Sat Dec 29 10: 8: 1 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from tao.org.uk (genius.tao.org.uk [212.135.162.51]) by hub.freebsd.org (Postfix) with ESMTP id 1AA8D37B41A for ; Sat, 29 Dec 2001 10:07:56 -0800 (PST) Received: by tao.org.uk (Postfix, from userid 100) id 67B8E371; Sat, 29 Dec 2001 18:07:47 +0000 (GMT) Date: Sat, 29 Dec 2001 18:07:47 +0000 From: Josef Karthauser To: Mike Silbersack Cc: Tomas Svensson , freebsd-hackers@FreeBSD.ORG Subject: Re: FreeBSD performing worse than Linux? Message-ID: <20011229180747.A68666@tao.org.uk> Mail-Followup-To: Josef Karthauser , Mike Silbersack , Tomas Svensson , freebsd-hackers@FreeBSD.ORG References: <20011229174133.A98245@tao.org.uk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="Q68bSM7Ycu6FN28Q" Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from silby@silby.com on Sat, Dec 29, 2001 at 12:49:02PM -0500 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG --Q68bSM7Ycu6FN28Q Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Dec 29, 2001 at 12:49:02PM -0500, Mike Silbersack wrote: > > > You are right that switching TCP_NODELAY off does fix it, but it's not > > caused by congestion I can assure you. > >=20 > Whether the packet loss is random or not, there is packet loss occuring. > What's the exact network setup between the two machines? Perhaps it's a > collision occuring each time. genius(laptop)/aue0 usb ethernet. (-current) | 10 base half duplex hub | 10 base half duplex hub | transwarp(dual processor server)/fxp0 onboard ethernet. (-stable). =20 > I guess you could try running netstat -i on each computer before and after > to see if you can see the problem occur at that layer. I wish that I had an ether-crosser cable so I could plug the two machines directly together. I've had this problem for several weeks now. I would imagine that it would be slightly random if it was the network infrastructure, but it's not. Joe --Q68bSM7Ycu6FN28Q Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iEYEARECAAYFAjwuBnIACgkQXVIcjOaxUBb4LgCfd/AJf6vRj31qMQ1G4KJAZWmc 31sAoMGaLOrpZutmU2UXbLYCCScjIxkl =CBth -----END PGP SIGNATURE----- --Q68bSM7Ycu6FN28Q-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message