From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268134AbUHYRB1 (ORCPT ); Wed, 25 Aug 2004 13:01:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268135AbUHYRB1 (ORCPT ); Wed, 25 Aug 2004 13:01:27 -0400 Received: from smtp3.wanadoo.fr ([193.252.22.28]:40571 "EHLO mwinf0312.wanadoo.fr") by vger.kernel.org with ESMTP id S268134AbUHYRBY (ORCPT ); Wed, 25 Aug 2004 13:01:24 -0400 Date: Wed, 25 Aug 2004 19:05:27 +0200 From: Philippe Elie To: Mikael Pettersson Cc: Zarakin , linux-kernel@vger.kernel.org Subject: Re: nmi_watchdog=2 - Oops with 2.6.8 Message-ID: <20040825170527.GB562@zaniah> References: <021101c48a44$c8f846e0$6401a8c0@novustelecom.net> <20040825061248.GB556@zaniah> <16684.23372.311191.218551@alkaid.it.uu.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <16684.23372.311191.218551@alkaid.it.uu.se> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 25 Aug 2004 at 11:26 +0000, Mikael Pettersson wrote: > I figured that too. Strangely enough, perfctr has been run > successfully on two CPUID 0xF3x machines, and it didn't hit > this problem. I have no idea why, yet. Maybe they haven't > removed IQ_ESCR{0,1} from the Nocona? I'm suprised too, w/o more information I'll follow strictly the documentation. > I don't have physical access to either a Prescott or a Nocona, > but it it shouldn't be difficult to test. Just set up IQ_ESCR{0,1} > with a clock-like event and see what happens. loading oprofile driver must segfault w/o IQ_ESCR0/1 but we don't use these MSR in oprofile so it can't be used to check if they are functionnal on nocoma (and no HW to test it too) regards, Phe