From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261967AbTKCKeR (ORCPT ); Mon, 3 Nov 2003 05:34:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261974AbTKCKeR (ORCPT ); Mon, 3 Nov 2003 05:34:17 -0500 Received: from mail-05.iinet.net.au ([203.59.3.37]:32453 "HELO mail.iinet.net.au") by vger.kernel.org with SMTP id S261967AbTKCKeF (ORCPT ); Mon, 3 Nov 2003 05:34:05 -0500 Message-ID: <3FA62F18.2050500@cyberone.com.au> Date: Mon, 03 Nov 2003 21:34:00 +1100 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030827 Debian/1.4-3 X-Accept-Language: en MIME-Version: 1.0 To: Jan Dittmer CC: linux-kernel@vger.kernel.org Subject: Re: Clock skips (?) with 2.6 and games References: <3FA62DD4.1020202@portrix.net> In-Reply-To: <3FA62DD4.1020202@portrix.net> 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 Jan Dittmer wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi, > > I'm experiencing skips in games like q3demo and enemy territory on a > dual xeon p4. That means, if I'm walking around, about every 2-3 seconds > I'm skipping a bit of the way. It seems that the clock is running too > slow and the games are trying to catch up every x seconds with the > system time. Please ensure that X is running at priority 0. Report back if you still have the problem. > > System is running 2.6.0-test9-mm1. This effect does not show with > 2.4.23pre6aa3, though there are only two processors displayed. Is this > normal? Judging from the temperature sensors that is not just one > processor with its sibling but really the two physical processors. Is > there any way with 2.4 to show all 4 processors? > I've tried booting 2.6 with nosmp, but that results in most interrupts > not working anymore. > What can I try to get test9 working properly? nosmp has been broken for quite a while. If you want to try uniprocessor, you'd have to compile a UP kernel. You should get as good if not better interactivity with SMP enabled, however.