From mboxrd@z Thu Jan 1 00:00:00 1970 From: CaT Subject: Re: strange network slowness in 2.6 unless pingflooding Date: Tue, 28 Sep 2004 08:49:57 +1000 Sender: linux-net-owner@vger.kernel.org Message-ID: <20040927224957.GA1043@zip.com.au> References: <20040927090342.GA1794@zip.com.au> <41587A26.6020606@conectiva.com.br> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-kernel@vger.kernel.org, davem@davemloft.net, jgarzik@pobox.com, linux-net@vger.kernel.org, netdev@oss.sgi.com Return-path: To: Arnaldo Carvalho de Melo Content-Disposition: inline In-Reply-To: <41587A26.6020606@conectiva.com.br> List-Id: netdev.vger.kernel.org On Mon, Sep 27, 2004 at 05:37:58PM -0300, Arnaldo Carvalho de Melo wrote: > 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 It does not help. Same problem as before. -- Red herrings strewn hither and yon.