Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267352AbUI0Un6 (ORCPT ); Mon, 27 Sep 2004 16:43:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267345AbUI0Umh (ORCPT ); Mon, 27 Sep 2004 16:42:37 -0400 Received: from perninha.conectiva.com.br ([200.140.247.100]:46217 "EHLO perninha.conectiva.com.br") by vger.kernel.org with ESMTP id S267358AbUI0Uhd (ORCPT ); Mon, 27 Sep 2004 16:37:33 -0400 Message-ID: <41587A26.6020606@conectiva.com.br> Date: Mon, 27 Sep 2004 17:37:58 -0300 From: Arnaldo Carvalho de Melo Organization: Conectiva S.A. User-Agent: Mozilla Thunderbird 0.8 (X11/20040913) X-Accept-Language: en-us, en MIME-Version: 1.0 To: CaT Cc: linux-kernel@vger.kernel.org, davem@davemloft.net, jgarzik@pobox.com, linux-net@vger.kernel.org, netdev@oss.sgi.com Subject: Re: strange network slowness in 2.6 unless pingflooding References: <20040927090342.GA1794@zip.com.au> In-Reply-To: <20040927090342.GA1794@zip.com.au> X-Enigmail-Version: 0.86.1.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Bogosity: No, tests=bogofilter, spamicity=0.005206, version=0.16.3 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 841 Lines: 26 CaT wrote: > Hi, > > This is still happening. I ran the same set of tests on a totally > different network, with my xircom realport ethernet card (tulip > driver - 16bit) and from linux to linux and windows to linux. Scrolling > through a message in mutt eventually slows down and if I lift my finger > off the enter key whilst it's slow the scrolling keeps going, as if it > was all bufferd. If I do a pingflood (ping -f) from a machine to my > laptop it's all fine. > > I am also now running 2.6.9-rc1-mm4. > Have you tried FAQ: echo 0 > /proc/sys/net/ipv4/tcp_window_scaling - Arnaldo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/