From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266607AbUGKWSU (ORCPT ); Sun, 11 Jul 2004 18:18:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266630AbUGKWSU (ORCPT ); Sun, 11 Jul 2004 18:18:20 -0400 Received: from outpost.ds9a.nl ([213.244.168.210]:28059 "EHLO outpost.ds9a.nl") by vger.kernel.org with ESMTP id S266607AbUGKWST (ORCPT ); Sun, 11 Jul 2004 18:18:19 -0400 Date: Mon, 12 Jul 2004 00:18:18 +0200 From: bert hubert To: Sid Boyce Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.x Scheduler, preemption and responsiveness - puzzlement Message-ID: <20040711221818.GA30704@outpost.ds9a.nl> Mail-Followup-To: bert hubert , Sid Boyce , linux-kernel@vger.kernel.org References: <40F1BA46.9000207@blueyonder.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <40F1BA46.9000207@blueyonder.co.uk> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jul 11, 2004 at 11:08:06PM +0100, Sid Boyce wrote: > With the 2.6 kernel I expected that my boxes would be responsive under > heavy loads such as exacted by updatedb. What I'm finding is that when > updatedb and other heavy hitters are running, I'm often unable to switch > desktops or start other tasks. I'm currently using 2.6.7-mm1, but this Can you run vmstat 1 while this happens? Can you make your .config available? Output of dmesg during boot would also be great. Especially check the output of hdparm /dev/hda - DMA might be off. Good luck! -- http://www.PowerDNS.com Open source, database driven DNS Software http://lartc.org Linux Advanced Routing & Traffic Control HOWTO