Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758422AbXH1JMt (ORCPT ); Tue, 28 Aug 2007 05:12:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753310AbXH1JMm (ORCPT ); Tue, 28 Aug 2007 05:12:42 -0400 Received: from madara.hpl.hp.com ([192.6.19.124]:56992 "EHLO madara.hpl.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752934AbXH1JMl (ORCPT ); Tue, 28 Aug 2007 05:12:41 -0400 Date: Tue, 28 Aug 2007 02:12:17 -0700 From: Stephane Eranian To: Daniel Walker Cc: =?iso-8859-1?Q?Bj=F6rn?= Steinbrink , ak@suse.de, linux-kernel@vger.kernel.org, akpm@linux-foundation.org Subject: Re: nmi_watchdog=2 regression in 2.6.21 Message-ID: <20070828091217.GA1645@frankl.hpl.hp.com> Reply-To: eranian@hpl.hp.com References: <1186531609.22044.50.camel@imap.mvista.com> <20070808142059.GF30805@atjola.homenet> <20070827175431.GD784@frankl.hpl.hp.com> <1188237331.2435.255.camel@dhcp193.mvista.com> <20070827225555.GI784@frankl.hpl.hp.com> <1188256074.2435.272.camel@dhcp193.mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1188256074.2435.272.camel@dhcp193.mvista.com> User-Agent: Mutt/1.4.1i Organisation: HP Labs Palo Alto Address: HP Labs, 1U-17, 1501 Page Mill road, Palo Alto, CA 94304, USA. E-mail: eranian@hpl.hp.com X-HPL-MailScanner: Found to be clean X-HPL-MailScanner-From: eranian@hpl.hp.com Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 989 Lines: 28 Daniel, On Mon, Aug 27, 2007 at 04:07:54PM -0700, Daniel Walker wrote: > On Mon, 2007-08-27 at 15:55 -0700, Stephane Eranian wrote: > > > Yet the model name looks strange. So we need to run one more test, > > as the fam/model is not enough. What we need to check is whether or > > not this processor implements architectural perfmon or not. > > > > Could you please compile and run the attached program and send me > > the output? > > The output below is all the output .. > > eax=0x7280201: version=1 num_cnt=2 > Then you have a Core Duo processor and the commit from Bjorn should fix the problem. If it does not, then there is something else wrong. Unfortunately, I do not have a Core Duo machine to try and reproduce. -- -Stephane - 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/