From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265081AbUBIMfK (ORCPT ); Mon, 9 Feb 2004 07:35:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265105AbUBIMfK (ORCPT ); Mon, 9 Feb 2004 07:35:10 -0500 Received: from mail.shareable.org ([81.29.64.88]:10624 "EHLO mail.shareable.org") by vger.kernel.org with ESMTP id S265081AbUBIMfF (ORCPT ); Mon, 9 Feb 2004 07:35:05 -0500 Date: Mon, 9 Feb 2004 12:33:55 +0000 From: Jamie Lokier To: Ross Dickson Cc: linux-kernel@vger.kernel.org, Ian Kumlien , Jesse Allen Subject: Re: Nforce2 apic timer ack delay Message-ID: <20040209123355.GB1738@mail.shareable.org> References: <200312211917.05928.ross@datscreative.com.au> <20040207145544.GC17015@mail.shareable.org> <200402082141.09693.ross@datscreative.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200402082141.09693.ross@datscreative.com.au> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ross Dickson wrote: > I was just writing you to tell you how well it prevented lockups > when my system experienced a hard lockup in a slightly different > form. Firstly mplayer bailed complaining about misuse of cpu ram > etc, which is an abnormal failure for this system. I then swapped > desktops back to continue my email and then no mouse or anything > else just like one of the original hard lockups. Well, that's a different form of lockup so it might be a different culprit. What was the mplayer error? > A bit early to draw conclusions but could it be that the bios also > executes a hlt instruction in a System Management Interrupt?? > Perhaps on detecting a hot cpu or something?? Perhaps. Are you using APM or ACPI? I think they override "idle=poll" and call into the BIOS for idling. -- Jamie