From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aviv Greenberg Subject: Re: Receive side performance issue with multi-10-GigE and NUMA Date: Sat, 15 Aug 2009 00:13:12 +0300 Message-ID: <3000d2e90908141413h3e3eae1dm796f4bf788319561@mail.gmail.com> References: <20090807170600.9a2eff2e.billfink@mindspring.com> <20090808112636.GB18518@localhost.localdomain> <4A7DC230.6060206@myri.com> <20090808183251.GA23300@localhost.localdomain> <20090811033210.6b422ed1.billfink@mindspring.com> <87ws5af0km.fsf@basil.nowhere.org> <20090812003049.185cd52a.billfink@mindspring.com> <4A856781.2080301@myri.com> <20090814123832.a7a27a9d.billfink@mindspring.com> <4A859716.7040904@myri.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Bill Fink , netdev@vger.kernel.org To: Andrew Gallatin Return-path: Received: from mail-bw0-f222.google.com ([209.85.218.222]:47981 "EHLO mail-bw0-f222.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755238AbZHNVNM (ORCPT ); Fri, 14 Aug 2009 17:13:12 -0400 Received: by bwz22 with SMTP id 22so1361528bwz.18 for ; Fri, 14 Aug 2009 14:13:13 -0700 (PDT) In-Reply-To: <4A859716.7040904@myri.com> Sender: netdev-owner@vger.kernel.org List-ID: > There may be something in the chipset shooting in the dark: when you lspci -vvv and check the MaxPayload and MaxReadReq values for the myri devices - what are the values and are they equal? Are they the same on all your platforms?