From owner-freebsd-bugs@FreeBSD.ORG Sun Aug 5 20:05:47 2007 Return-Path: Delivered-To: freebsd-bugs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 26E7F16A417 for ; Sun, 5 Aug 2007 20:05:47 +0000 (UTC) (envelope-from netslists@gmail.com) Received: from wx-out-0506.google.com (wx-out-0506.google.com [66.249.82.231]) by mx1.freebsd.org (Postfix) with ESMTP id D97CE13C45E for ; Sun, 5 Aug 2007 20:05:46 +0000 (UTC) (envelope-from netslists@gmail.com) Received: by wx-out-0506.google.com with SMTP id i29so974190wxd for ; Sun, 05 Aug 2007 13:05:46 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:user-agent:mime-version:to:subject:references:in-reply-to:content-type:content-transfer-encoding; b=FmXKzSDIQLbxZ/g6htr7x7njMhv4y7cJ6mGv8JLnXXwHlrmnkW+0CGyhy5Nh1kkwZZGZU9bNsgtCfPByv0yFpuoEHJ1/meleHzYNEzfMkmwYMZYCnAGsY+imdTZktLIZ0WD5xjbuGj4IXArpeOuPwAX/BioUR+Z8BKLxGE6iWXI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:user-agent:mime-version:to:subject:references:in-reply-to:content-type:content-transfer-encoding; b=Qivua3+RnlJ5z1X5RESCQvTS9MsIkmJ5SxPcwBlEQrkpKIxfkCYvBlfUBugn9ESL42b15fOufFjQgFQBakYNdtbqrZ/n5HbmV+DWt1cyM8iUKJFLRx6+PrDOVNC4KwDPWbf6X+MaxNopxarg7/PTiws92kSd1/PIvXI0upUzXOg= Received: by 10.70.65.5 with SMTP id n5mr8614444wxa.1186342836169; Sun, 05 Aug 2007 12:40:36 -0700 (PDT) Received: from ?192.168.12.8? ( [72.189.172.75]) by mx.google.com with ESMTPS id t26sm6213507ele.2007.08.05.12.40.34 (version=SSLv3 cipher=RC4-MD5); Sun, 05 Aug 2007 12:40:35 -0700 (PDT) Message-ID: <46B627AD.1040304@gmail.com> Date: Sun, 05 Aug 2007 15:40:29 -0400 From: Sten Daniel Soersdal User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: Gleb Smirnoff , daniel@dgnetwork.com.br, freebsd-bugs@freebsd.org, freebsd-net@freebsd.org References: <200512270905.jBR95qod022904@freefall.freebsd.org> <46B212A3.7040603@yan.com.br> <20070803082622.GZ21312@glebius.int.ru> In-Reply-To: <20070803082622.GZ21312@glebius.int.ru> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Subject: Re: kern/78791: [xl] xl(4) input errors and speed problem X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 05 Aug 2007 20:05:47 -0000 Gleb Smirnoff wrote: > On Thu, Aug 02, 2007 at 02:21:39PM -0300, Daniel Dias Gon?alves wrote: > D> > State-Changed-From-To: open->feedback > D> > State-Changed-By: glebius > D> > State-Changed-When: Tue Dec 27 09:03:50 UTC 2005 > D> > State-Changed-Why: Please provide the following information. Is this one > D> > particular card > D> > that experiences errors, or you have tested several 3Com cards and all > D> > fail? > D> > > D> I have same problem, and is not only with card 3com (xl), also with Intel > D> card (fxp). > D> In my servers running FreeBSD 6.1, have constant traffic of +-80mbps and > D> "input errors" (netstat - ni) always increases, use crossover cables and the > D> interfaces fixed "100baseTX-FDX". > D> Frequently with Intel card (fxp), i have that to make ifconfig DOWN/UP in > D> the interface to come back to work. > D> > D> Which the solution for these problems ? > > I think the problem, you've described isn't the same problem as in kern/78791. > I haven't used this card in a long time and i don't know if TX/RX checksum offloading is supported in the FreeBSD driver. Just to sum up my findings. Checksum offloading is bugged, even on windows drivers. Disabling checksum offloading has always resulted in much better performance. Also, when you say using "100baseTX-FDX" you mean between the servers and not via a switch, right? -- Sten Daniel Soersdal