From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261893AbTKCFQK (ORCPT ); Mon, 3 Nov 2003 00:16:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261903AbTKCFQK (ORCPT ); Mon, 3 Nov 2003 00:16:10 -0500 Received: from willy.net1.nerim.net ([62.212.114.60]:52231 "EHLO www.home.local") by vger.kernel.org with ESMTP id S261893AbTKCFQI (ORCPT ); Mon, 3 Nov 2003 00:16:08 -0500 Date: Mon, 3 Nov 2003 06:16:03 +0100 From: Willy Tarreau To: CN Cc: linux-kernel@vger.kernel.org Subject: Re: kernel: i8253 counting too high! resetting.. Message-ID: <20031103051603.GE530@alpha.home.local> References: <20031029075010.596C57A6C6@smtp.us2.messagingengine.com> <20031030171235.GA59683@teraz.cwru.edu> <20031031050439.E03B17E2B8@smtp.us2.messagingengine.com> <200310310040.19519.gene.heskett@verizon.net> <20031031063636.GA61826@teraz.cwru.edu> <20031103044155.8D0067DF67@server2.messagingengine.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20031103044155.8D0067DF67@server2.messagingengine.com> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Sun, Nov 02, 2003 at 08:41:55PM -0800, CN wrote: > As reported in my first message, the box running kernel 2.4.22 and > Fjuitsu HD generated i8253 message while the other box running 2.4.20 and > Maxtor did not. During the past 3 days I wiped out everything from the HD > and reinstalled Debian woody on to the "normal" box (with Maxtor) and > rebuilt the kernel to 2.4.22. This used-to-be normal box started to > generate the i8253 message since then. There's a simple reason for what you see : this message was introduced in 2.4.21 to detect buggy hardware. Before 2.4.21, you only had the luck to see time go backwards without any apparent reason. There was a very long thread about gettimeofday() jumping backwards a few months ago in which you may find detailed informations about this problem. Regards, Willy