Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753188AbYATKZX (ORCPT ); Sun, 20 Jan 2008 05:25:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751940AbYATKZK (ORCPT ); Sun, 20 Jan 2008 05:25:10 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:48960 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751920AbYATKY6 (ORCPT ); Sun, 20 Jan 2008 05:24:58 -0500 Date: Sun, 20 Jan 2008 11:24:40 +0100 From: Ingo Molnar To: "Rafael J. Wysocki" Cc: Andrew Morton , linux-kernel@vger.kernel.org, Thomas Gleixner Subject: Re: 2.6.24-rc8-mm1: WARN_ON() in clockevents_register_device() on HP nx6325 Message-ID: <20080120102440.GA507@elte.hu> References: <20080117023514.9df393cf.akpm@linux-foundation.org> <200801200210.38412.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200801200210.38412.rjw@sisk.pl> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 838 Lines: 23 * Rafael J. Wysocki wrote: > Something goes wrong in the timers land. I get this on boot: > > ..MP-BIOS bug: 8254 timer not connected to IO-APIC > Disabling APIC timer > ------------[ cut here ]------------ > WARNING: at /home/rafael/src/mm/linux-2.6.24-rc8-mm1/kernel/time/clockevents.c:1 > 65 clockevents_register_device+0x36/0xc4() ok, since we disable the APIC timer, i suspect this warning can be disregarded - the bootup is otherwise fine, right? Thomas - why do we register it while it's disabled? I have put in that warning to detect APIC miscalibrations. Ingo -- 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/