From owner-freebsd-stable@FreeBSD.ORG Mon Jan 25 09:03:55 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4B614106568F for ; Mon, 25 Jan 2010 09:03:55 +0000 (UTC) (envelope-from zephyrus.271@gmail.com) Received: from mail-fx0-f226.google.com (mail-fx0-f226.google.com [209.85.220.226]) by mx1.freebsd.org (Postfix) with ESMTP id C7E1F8FC18 for ; Mon, 25 Jan 2010 09:03:54 +0000 (UTC) Received: by fxm26 with SMTP id 26so758437fxm.13 for ; Mon, 25 Jan 2010 01:03:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:received:date:from:to:cc :subject:message-id:references:mime-version:content-type :content-disposition:in-reply-to:user-agent; bh=EgXeHIVVVsNSxSU0coEDRfknU7G1b+z8TAY+zN0B/iU=; b=V1gYhlvxy/zHK+Zo6/R4+1Aaqp3YnBDkaZquRHJrw16FoEfadXsatGZkfWMN7ZuRrI 6A7d/7wU85IFFZe/PUOrNxhb37wEylPzncFs9dF9gJJGXoJZ/hioCsGqoQxpY5/IjXh3 vqCfcGZJdg8DG2k46zgd15aFfON7Ip4FC/X88= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=CkFGA1rifCcaMXBHpwICpc0mAtMjt6EsFA/JcaU0tt2Vmzkw0jGvuFkWmHwNpO5H4r tfjzVJMRqhWc/O9/SWg5rEp5xcVkTSJcmgNkzEmi1nJynBrZAxa0bjhg+gtaGUtsPacL 7HdLPbvyIdQ7cdbpLixh/p5pBRGlcs+w5UuVg= Received: by 10.223.16.72 with SMTP id n8mr5801886faa.26.1264410233392; Mon, 25 Jan 2010 01:03:53 -0800 (PST) Received: from polaris.localdomain (81-174-11-81.static.ngi.it [81.174.11.81]) by mx.google.com with ESMTPS id 22sm6318120fkq.54.2010.01.25.01.03.51 (version=TLSv1/SSLv3 cipher=RC4-MD5); Mon, 25 Jan 2010 01:03:51 -0800 (PST) Received: by polaris.localdomain (Postfix, from userid 1000) id 248202A; Mon, 25 Jan 2010 10:03:46 +0100 (CET) Date: Mon, 25 Jan 2010 10:03:46 +0100 From: "Emanuele A. Bagnaschi" To: Pyun YongHyeon Message-ID: <20100125090346.GA2039@polaris> References: <20100124183911.GA2589@polaris> <20100124205505.GB1187@michelle.cdnetworks.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="wRRV7LY7NUeQGEoC" Content-Disposition: inline In-Reply-To: <20100124205505.GB1187@michelle.cdnetworks.com> User-Agent: Mutt/1.5.20 (2009-06-14) Cc: FreeBSD-STABLE Mailing List Subject: Re: Problematic network performance with Marvell 8072 on HP Probook 4710s X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jan 2010 09:03:55 -0000 --wRRV7LY7NUeQGEoC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 12:55 Sun 24 Jan , Pyun YongHyeon wrote: > Last time I checked ttcp, it was broken with threading. So you have > to build ttcp without threading support or use netperf to check > performance numbers. That's bad, this evening I will try with netperf. > It seems you have Yukon Extreme controller and its revision is B0 > which is known to have various silicon bug. How about disabling TX=20 > related offloading?(e.g. ifconfig msk0 -txcsum -tso) Does that make > any difference? It seems that there are no differences. > Given that high rates of silicon bug of Yukon having a detailed > errata information would be great help to analyze the issue. But we > still have no access to the information as well as datasheet. And I bet that there's no specific release date for that information, isn't there? Should I take a look at the other BDSs (or even Linux) to check, for example, if they use specific workarounds for my NIC? Actually=20 I am sure that on Linux it works. Would be any problems with the GPL2 in th= is case? Best regards --=20 Emanuele A. Bagnaschi --wRRV7LY7NUeQGEoC Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAktdXnIACgkQrwnEPevYb9WT7wCffy6hu+u8VlBKw1fU2IfJWmVg Qw8AoKKcTU70CLmjXH3yTyrH7pqf6+Yl =pjfZ -----END PGP SIGNATURE----- --wRRV7LY7NUeQGEoC--