From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267377AbUHDUDv (ORCPT ); Wed, 4 Aug 2004 16:03:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267397AbUHDUDv (ORCPT ); Wed, 4 Aug 2004 16:03:51 -0400 Received: from relay.uni-heidelberg.de ([129.206.100.212]:53959 "EHLO relay.uni-heidelberg.de") by vger.kernel.org with ESMTP id S267377AbUHDUDr convert rfc822-to-8bit (ORCPT ); Wed, 4 Aug 2004 16:03:47 -0400 From: Bernd Schubert To: Kernel Mailing List Subject: 3c59x very slow with 2.6.X Date: Wed, 4 Aug 2004 22:03:41 +0200 User-Agent: KMail/1.6.2 MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Message-Id: <200408042203.42367.bernd-schubert@web.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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 from dmesg: 3c59x: Donald Becker and others. www.scyld.com/network/vortex.html 0000:00:0a.0: 3Com PCI 3c905B Cyclone 100baseTx at 0xb800. Vers LK1.1.19 euklid:~# mii-tool eth0: 100 Mbit, full duplex, link ok Any ideas whats going on? Please tell me if you need further information. Cheers, Bernd PS: Happens with 2.6.7 and 2.6.8-rc2-mm2 -- Bernd Schubert Physikalisch Chemisches Institut / Theoretische Chemie Universität Heidelberg INF 229 69120 Heidelberg e-mail: bernd.schubert@pci.uni-heidelberg.de