Date: Mon, 25 Jan 2010 10:03:46 +0100 From: "Emanuele A. Bagnaschi" <zephyrus.271@gmail.com> To: Pyun YongHyeon <pyunyh@gmail.com> Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: Problematic network performance with Marvell 8072 on HP Probook 4710s Message-ID: <20100125090346.GA2039@polaris> In-Reply-To: <20100124205505.GB1187@michelle.cdnetworks.com> References: <20100124183911.GA2589@polaris> <20100124205505.GB1187@michelle.cdnetworks.com>
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--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--
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