From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754102AbYIENpy (ORCPT ); Fri, 5 Sep 2008 09:45:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753118AbYIENpq (ORCPT ); Fri, 5 Sep 2008 09:45:46 -0400 Received: from rtr.ca ([76.10.145.34]:36785 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752211AbYIENpp (ORCPT ); Fri, 5 Sep 2008 09:45:45 -0400 Message-ID: <48C13807.4080205@rtr.ca> Date: Fri, 05 Sep 2008 09:45:43 -0400 From: Mark Lord Organization: Real-Time Remedies Inc. User-Agent: Thunderbird 2.0.0.16 (X11/20080724) MIME-Version: 1.0 To: Linus Torvalds Cc: Thomas Gleixner , Larry Finger , LKML , "Rafael J. Wysocki" , Alok Kataria , Michael Buesch Subject: Re: Regression in 2.6.27 caused by commit bfc0f59 References: <48BB2116.1060904@lwfinger.net> <48BC2A03.9000104@lwfinger.net> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus Torvalds wrote: > > Additionally doing a min/max comparison to see that the loop is very > _stable_ is of course also a way to validate things, but expecting _too_ > much stability may be wrong too. As mentioned, SMM events can happen for > other reasons than emulation. .. Not to mention that we still have the unsolved regression from when HPET support first went in (2.6.2[01] timeframe), where machines randomly lock up at "Switching to HPET" time during boot. Depending upon kernel .config, phase of the moon, and apparently SMM events. Hopefully this will finally get fixed with this work? Cheers