From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758054AbYDKViv (ORCPT ); Fri, 11 Apr 2008 17:38:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755593AbYDKVio (ORCPT ); Fri, 11 Apr 2008 17:38:44 -0400 Received: from caffeine.csclub.uwaterloo.ca ([129.97.134.17]:35205 "EHLO caffeine.csclub.uwaterloo.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755020AbYDKVio (ORCPT ); Fri, 11 Apr 2008 17:38:44 -0400 Date: Fri, 11 Apr 2008 17:38:43 -0400 To: Marc Perkel Cc: Chris Snook , linux-kernel@vger.kernel.org Subject: Re: AMD Quad Core clock problem? Message-ID: <20080411213843.GH2160@csclub.uwaterloo.ca> References: <47FFD3F3.50107@redhat.com> <821384.64293.qm@web52504.mail.re2.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <821384.64293.qm@web52504.mail.re2.yahoo.com> User-Agent: Mutt/1.5.13 (2006-08-11) From: lsorense@csclub.uwaterloo.ca (Lennart Sorensen) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 11, 2008 at 02:36:31PM -0700, Marc Perkel wrote: > No - it's not wild like it was back in the early X2 > days and I think you're right about the drift being > normal. Interesting thing though I am running ntpd and > it's not working. I am fairly sure the ntp.conf file > is exactly as it was installed by fedora. I'm now > looking into that. > > Thanks for your help. Sorry for the false alarm. But > if thee was an issue I thought you would want to know > it. I have found that ntp tends to fail to work on any machine with spread spectrum clocking enabled. On those machines disabling spread specturm in the BIOS seems to fix it. I had to update the BIOS on one machine to even get the option to disable it though. -- Len Sorensen