Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S275421AbTHNR3l (ORCPT ); Thu, 14 Aug 2003 13:29:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S275422AbTHNR3l (ORCPT ); Thu, 14 Aug 2003 13:29:41 -0400 Received: from e3.ny.us.ibm.com ([32.97.182.103]:65227 "EHLO e3.ny.us.ibm.com") by vger.kernel.org with ESMTP id S275421AbTHNR3i (ORCPT ); Thu, 14 Aug 2003 13:29:38 -0400 Subject: Re: 2.6.0-test3 "loosing ticks" From: john stultz To: Jamie Lokier Cc: timothy parkinson , lkml In-Reply-To: <20030814171703.GA10889@mail.jlokier.co.uk> References: <20030813014735.GA225@timothyparkinson.com> <1060793667.10731.1437.camel@cog.beaverton.ibm.com> <20030814171703.GA10889@mail.jlokier.co.uk> Content-Type: text/plain Organization: Message-Id: <1060882084.10732.1588.camel@cog.beaverton.ibm.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.4 Date: 14 Aug 2003 10:28:04 -0700 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1154 Lines: 30 On Thu, 2003-08-14 at 10:17, Jamie Lokier wrote: > john stultz wrote: > > Sounds like either your PIT is running slowly or something is > > consistently keeping the timer interrupt from being handled. In 2.4 do > > you have any time related issues at all? Does the "Loosing too many > > ticks!" message correlate to any event on the system (boot, heavy load)? > > > > Also listing system type, motherboard, any sort of funky devices you've > > got might be helpful. > > I am seeing something similar on my dual Athlon MP 1800 box. > > It is running NTP to synchronise with another machine over the LAN, > but ntpdc reports that it develops a larger and larger offset relative > to the server - ntpd clearly is not managing to regulate the clock. Approximately at what rate does it skew? Does ntpdate -b set it properly? Are you also seeing the "Loosing too many ticks!" message? thanks -john - 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/