From owner-freebsd-questions@FreeBSD.ORG Mon Jul 4 20:49:10 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 176CB16A41C for ; Mon, 4 Jul 2005 20:49:10 +0000 (GMT) (envelope-from juhasaarinen@gmail.com) Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.207]) by mx1.FreeBSD.org (Postfix) with ESMTP id BF82D43D4C for ; Mon, 4 Jul 2005 20:49:09 +0000 (GMT) (envelope-from juhasaarinen@gmail.com) Received: by wproxy.gmail.com with SMTP id i4so792886wra for ; Mon, 04 Jul 2005 13:49:09 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=Gvq0wGtBpCpJ3GnOufjPSSAgDIqQphETfFdc/OTb01YUR/GsceHBKrX0GSu8Plnc874dlLaLhTvTSuU1VHdJn8uzp0nmyJ6dRugr1gT8isaJOlB9pwUWq96190vvVUVkXjLVezw+TvFyzpPAj5iDCT2i1C6twQEjrixqe+Tn9gs= Received: by 10.54.47.41 with SMTP id u41mr3784900wru; Mon, 04 Jul 2005 13:49:09 -0700 (PDT) Received: by 10.54.4.67 with HTTP; Mon, 4 Jul 2005 13:49:08 -0700 (PDT) Message-ID: Date: Tue, 5 Jul 2005 08:49:08 +1200 From: Juha Saarinen To: Ted Mittelstaedt In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: Cc: FreeBSD questions Subject: Re: How to troubleshoot slow network performance with Realtek 8169s? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Juha Saarinen List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Jul 2005 20:49:10 -0000 On 7/4/05, Ted Mittelstaedt wrote: > This isn't weird at all. It is a driver issue. Remember I said the > driver hasn't been optimized. The driver could be letting the card > seize the PCI bus for an inordinate amount of time or some such. This > could also be an interaction with the card, the driver, and some bios > setting of your motherboard. This could be, for example, not allowing > enough cpu time for a higher-overhead program like FTP to run at full > speed, while allowing a lower overhead program like iperf, enough time > to run at full blast. I have seen issues like this before and they > have almost always been solved by swapping hardware. >=20 > I have in fact swapped hardware that acted up in one machine to > a different machine that had a different motherboard, same FreeBSD > versions on both systems, and that hardware became rock-solid in > the new motherboard. >=20 > Frankly it all depends on what you want to do. If this is a production > system you are going to need it online and you can't waste the time > to screw around with it - in that case you know the Intel chipset works > well in that motherboard, so replace the Realtek. If however this is > a fun-n-games system then keep the Realtek in there and file a send-pr > and work it that way. Righto, that, too, makes sense. Will engage in some further investigation (read: hardware swapping and head scratching) to narrow things down. --=20 Juha