From owner-freebsd-current@FreeBSD.ORG Tue May 27 06:12:37 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CE43B37B401 for ; Tue, 27 May 2003 06:12:37 -0700 (PDT) Received: from mail.die.supsi.ch (mail.die.supsi.ch [193.5.153.13]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3645343F85 for ; Tue, 27 May 2003 06:12:32 -0700 (PDT) (envelope-from nunnari@die.supsi.ch) Received: from die.supsi.ch (pcm2022.die.supsi.ch [193.5.152.22]) by mail.die.supsi.ch (8.11.6/8.11.6) with ESMTP id h4RDCMU09118; Tue, 27 May 2003 15:12:22 +0200 Message-ID: <3ED36435.8090502@die.supsi.ch> Date: Tue, 27 May 2003 15:12:21 +0200 From: Roberto Nunnari User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Dag-Erling Smorgrav References: <3ED32141.3080608@die.supsi.ch> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: current@freebsd.org Subject: Re: Timecounter "TSC" frequency 451024462 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 May 2003 13:12:38 -0000 Hello Dag, thanks for your answer. Dag-Erling Smorgrav wrote: > [moved from -stable to -current] > > Roberto Nunnari writes: > >>I just upgraded my server from 4.7-Stable to 5.0-Release by a full >>install. > > > You shouldn't have. At the very least, you should have waited for 5.1 > (which is only a week away now). > no problem.. I'll cvsup and make world as soon as 5.1 is released. It's not a production server, so that's not a problem. What is interesting is that with 4.7-Stable the faulty timer was handled correctly (or correctly ignored).. so I'd suggest to fix in software the hardware bug in 5.1-Release, or at least in -current. > >>Now I hit a problem with the date.. the time goes much faster >>than normal.. maybe twice as normal... > > > You have a broken ACPI timer (Asus motherboard with Aladdin chipset?). Yes! You're right! > The simplest solution is to disable the ACPI timer in loader.conf: > > debug.acpi.disable="timer" > > Alternatively, you can leave the ACPI timer in but use the > kern.timecounter.hardware sysctl to select the TSC or i8254 timer > instead (the TSC has less overhead but doesn't always work on SMP > systems) > > DES I already had fixed it with sysctl, but I'll give a try to the loader.conf solution as well. Best regards. -- Roberto Nunnari -software engineer- mailto:nunnari@die.supsi.ch Scuola Universitaria Professionale della Svizzera Italiana Dipartimento di Informatica e Elettronica http://www.die.supsi.ch SUPSI-DIE Via Cantonale tel: +41-91-6108561 6928 Manno """ fax: +41-91-6108570 Switzerland (o o) =======================oOO==(_)==OOo========================