From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 25 May 2001 21:07:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 25 May 2001 21:07:17 -0400 Received: from edtn006530.hs.telusplanet.net ([161.184.137.180]:23300 "EHLO mail.harddata.com") by vger.kernel.org with ESMTP id ; Fri, 25 May 2001 21:07:03 -0400 Date: Fri, 25 May 2001 19:06:58 -0600 From: Michal Jaegermann To: Jay Thorne Cc: linux-kernel@vger.kernel.org Subject: Re: PROBLEM: Alpha SMP Low Outbound Bandwidth Message-ID: <20010525190658.A7913@mail.harddata.com> In-Reply-To: <990827407.27355.2.camel@gracie.userfriendly.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <990827407.27355.2.camel@gracie.userfriendly.org>; from Yohimbe@userfriendly.org on Fri, May 25, 2001 at 02:50:07PM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 25, 2001 at 02:50:07PM -0700, Jay Thorne wrote: > [1.] One line summary of the problem: > Kernel 2.4.4 ac15 .... > Using a quad 400Mhz Dodge/Rawhide machine with Tulip or VIARhine cards, .... [ description of a slowdown skipped ]. Well, it looks that you have at least something to slow down. I could not get a single packet through my tulip on Alpha from at least 2.4.4-ac11 and up. You can consider that an ultimate slowdown. I tried also a driver from http://sourceforge.net/projects/tulip/ and results are the same. This NIC, Digital DS21143 Tulip rev 65, works just fine with various earlier kernels, including assorted 2.4.3 variants. It is on 10baseT netwok - which may, or may not, be relevant here. Michal