From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267556AbUHEGBJ (ORCPT ); Thu, 5 Aug 2004 02:01:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267562AbUHEGBJ (ORCPT ); Thu, 5 Aug 2004 02:01:09 -0400 Received: from acheron.informatik.uni-muenchen.de ([129.187.214.135]:58757 "EHLO acheron.informatik.uni-muenchen.de") by vger.kernel.org with ESMTP id S267556AbUHEGAy (ORCPT ); Thu, 5 Aug 2004 02:00:54 -0400 Message-ID: <4111CD14.30601@bio.ifi.lmu.de> Date: Thu, 05 Aug 2004 08:00:52 +0200 From: Frank Steiner User-Agent: Mozilla Thunderbird 0.6 (X11/20040503) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Bernd Schubert Cc: Kernel Mailing List Subject: Re: 3c59x very slow with 2.6.X References: <200408042203.42367.bernd-schubert@web.de> In-Reply-To: <200408042203.42367.bernd-schubert@web.de> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Bernd Schubert wrote: > Hello, > > somehow the network speed is reduced to 14MBit with 2.6.X on my system, with > 2.4.X it has full 100MBit. > As all our systems boot diskless this is really annoying and I will reboot > 2.4.27 soon. > > euklid:~# nttcp -T hamilton2 > Bytes Real s CPU s Real-MBit/s CPU-MBit/s Calls Real-C/s CPU-C/s > l 8388608 4.73 4.60 14.2004 14.5911 2048 433.36 445.3 > 1 8388608 4.73 0.03 14.1984 2236.9621 6145 1300.12 204833.3 No problem here: both machines have a 3com 3c905CX-TX and run kernel 2.6.7. zassenhaus /root# nttcp -T riemann Bytes Real s CPU s Real-MBit/s CPU-MBit/s Calls Real-C/s CPU-C/s l 8388608 0.71 0.01 94.9903 7457.3690 2048 2898.87 227580.8 1 8388608 0.71 0.04 93.9984 1598.0964 5794 8115.57 137975.4 The driver is compiled into the kernel, not as module. Could that make a difference for you? cu, Frank -- Dipl.-Inform. Frank Steiner Web: http://www.bio.ifi.lmu.de/~steiner/ Lehrstuhl f. Bioinformatik Mail: http://www.bio.ifi.lmu.de/~steiner/m/ LMU, Amalienstr. 17 Phone: +49 89 2180-4049 80333 Muenchen, Germany Fax: +49 89 2180-99-4049 * Rekursion kann man erst verstehen, wenn man Rekursion verstanden hat. *