From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755271AbYJLXhT (ORCPT ); Sun, 12 Oct 2008 19:37:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754086AbYJLXhG (ORCPT ); Sun, 12 Oct 2008 19:37:06 -0400 Received: from casper.infradead.org ([85.118.1.10]:42282 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754032AbYJLXhE (ORCPT ); Sun, 12 Oct 2008 19:37:04 -0400 Date: Sun, 12 Oct 2008 19:37:03 -0400 From: Arjan van de Ven To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Thomas Gleixner Subject: Re: pull request for range-hrtimer updates Message-ID: <20081012193703.2b45319e@infradead.org> In-Reply-To: <20081010113749.GA21937@elte.hu> References: <20081008083320.41840108@infradead.org> <20081009123345.GC2952@elte.hu> <20081010113749.GA21937@elte.hu> Organization: Intel X-Mailer: Claws Mail 3.5.0 (GTK+ 2.12.12; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 10 Oct 2008 13:37:49 +0200 Ingo Molnar wrote: > > * Ingo Molnar wrote: > > > pulled into tip/timers/range-hrtimers, thanks Arjan! > > i have put these latest bits into tip/master today and -tip testing > found a boot failure on a 32-bit testbox: a boot crash in > hrtimer_interrupt(): > note highres=0 and hpet=disable. You probably need to try these if > you want to trigger the same crash. > > Reverting these updates from tip/master solves the crash. yeah there was an interesting race there. If you go idle the first time it's also the first time you decide to not do hrtimers anymore.. and my code didn't cope with that well. please repull ssh://master.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-hrtimer.git to also get the fix -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org