Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264855AbUASLe4 (ORCPT ); Mon, 19 Jan 2004 06:34:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264575AbUASLeR (ORCPT ); Mon, 19 Jan 2004 06:34:17 -0500 Received: from mout1.freenet.de ([194.97.50.132]:33959 "EHLO mout1.freenet.de") by vger.kernel.org with ESMTP id S264594AbUASLcl (ORCPT ); Mon, 19 Jan 2004 06:32:41 -0500 From: Andreas Hartmann X-Newsgroups: fa.linux.kernel Subject: Re: TG3: very high CPU usage Date: Mon, 19 Jan 2004 12:32:24 +0100 Organization: privat Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@fu.berlin.de User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040116 X-Accept-Language: de, en-us, en In-Reply-To: X-Enigmail-Version: 0.82.5.0 X-Enigmail-Supports: pgp-inline, pgp-mime To: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 960 Lines: 18 Mark Williams (MWP) wrote: [...] > However, when using Apache or any FTP client/daemon, the TG3 driver appears to be VERY slow maxing out CPU usage at 100% while only transfering at around 12MB/sec. > This applies for both incoming or outgoing data. [...] > Ive tried other NICs, etc and confirmed that it is a problem with the TG3 driver. I saw the same problem with the bcm-driver (Kernel 2.4.x) shipped with SuSE 9 / SLES 8. Testcase was the initial mirror of a 10 GB partition on a raid5 serveraid / XSeries 235 (2 way) to the same hardware on the remote machine using both times the onboard NIC (Broadcom GBit Ethernet) via drbd: 100% CPU usage, 12 MB/s, machine is nearly death. Regards, Andreas Hartmann - 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/