From owner-freebsd-current@FreeBSD.ORG Fri Aug 15 13:51:25 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 24D5C37B401 for ; Fri, 15 Aug 2003 13:51:25 -0700 (PDT) Received: from smtp.web.de (smtp03.web.de [217.72.192.158]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2B07443FD7 for ; Fri, 15 Aug 2003 13:51:24 -0700 (PDT) (envelope-from thorsten.greiner@web.de) Received: from [80.141.11.229] (helo=tybalt) by smtp.web.de with asmtp (WEB.DE 4.99 #448) id 19nlX7-0004GW-00; Fri, 15 Aug 2003 22:50:50 +0200 Date: Fri, 15 Aug 2003 22:50:47 +0200 From: Thorsten Greiner To: Bob Fleck Message-ID: <20030815205047.GA719@tybalt> References: <11229.1060970608@critter.freebsd.dk> <1060978640.603.11.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1060978640.603.11.camel@localhost> User-Agent: Mutt/1.4.1i Sender: thorsten.greiner@web.de cc: Poul-Henning Kamp cc: freebsd-current@FreeBSD.org cc: MATOBA Hirozumi cc: nate@root.org Subject: Re: clock works slowly when I change CPU speed 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: Fri, 15 Aug 2003 20:51:25 -0000 * Bob Fleck [2003-08-15 22:46]: > So, what should be done to restore the proper behavior of the > timekeeping on these systems? $ dmesg | grep counter Timecounter "i8254" frequency 1193182 Hz Timecounter "ACPI-fast" frequency 3579545 Hz Timecounter "TSC" frequency 1595302164 Hz $ sysctl -w kern.timecounter.hardware=i8254 Fixes the problem for me. I suspect you should set this in /etc/sysctl.conf to enable it permanently. Regards -Thorsten -- One good reason why computers can do more work than people is that they never have to stop and answer the phone.