Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261710AbVASMm1 (ORCPT ); Wed, 19 Jan 2005 07:42:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261711AbVASMm1 (ORCPT ); Wed, 19 Jan 2005 07:42:27 -0500 Received: from outpost.ds9a.nl ([213.244.168.210]:15755 "EHLO outpost.ds9a.nl") by vger.kernel.org with ESMTP id S261710AbVASMmZ (ORCPT ); Wed, 19 Jan 2005 07:42:25 -0500 Date: Wed, 19 Jan 2005 13:42:24 +0100 From: bert hubert To: Fabio Coatti Cc: lkml Subject: Re: 2.6.11-rc1-mm1 (and others): heavy disk I/O -> poor performance Message-ID: <20050119124223.GA14981@outpost.ds9a.nl> Mail-Followup-To: bert hubert , Fabio Coatti , lkml References: <200501182239.35992.cova@ferrara.linux.it> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200501182239.35992.cova@ferrara.linux.it> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 840 Lines: 19 On Tue, Jan 18, 2005 at 10:39:35PM +0100, Fabio Coatti wrote: > vmstat under load is the following, and config.gz attached. Of course I can > provide any other needed detail; many thanks for any hint. Looks mightily like DMA is not on, even though you compiled the PIIX driver in, which lists > 0000:00:1f.1 IDE interface: Intel Corp. 82801EB/ER (ICH5/ICH5R) IDE Controller Can you show the output of hdparm /dev/hda ? Can you show dmesg? -- http://www.PowerDNS.com Open source, database driven DNS Software http://lartc.org Linux Advanced Routing & Traffic Control HOWTO - 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/