From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755557AbXIWT7w (ORCPT ); Sun, 23 Sep 2007 15:59:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753207AbXIWT7o (ORCPT ); Sun, 23 Sep 2007 15:59:44 -0400 Received: from www.osadl.org ([213.239.205.134]:32774 "EHLO mail.tglx.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752255AbXIWT7n (ORCPT ); Sun, 23 Sep 2007 15:59:43 -0400 Subject: Re: 2.6.23-rc4-mm1 and -rc6-mm1: boot failure on HP nx6325, related to clockevents From: Thomas Gleixner To: "Rafael J. Wysocki" Cc: Andi Kleen , Andrew Morton , LKML In-Reply-To: <200709232208.18797.rjw@sisk.pl> References: <200709231257.12213.rjw@sisk.pl> <1190574641.4035.148.camel@chaos> <200709232208.18797.rjw@sisk.pl> Content-Type: text/plain Date: Sun, 23 Sep 2007 21:59:41 +0200 Message-Id: <1190577581.4035.152.camel@chaos> Mime-Version: 1.0 X-Mailer: Evolution 2.12.0 (2.12.0-3.fc8) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2007-09-23 at 22:08 +0200, Rafael J. Wysocki wrote: > > > Since the boot fails very early, before any messages reach the (VGA) console, > > > I have no idea what to do next, except for digging in the code. > > > > Ok, lets track it down. Is there any difference when you add: > > > > nohz=off > > highres=off > > noapictimer > > > > or any combinations of the above to the kernel command line ? > > First, for now, I build all kernels with NO_HZ and HIGH_RES_TIMERS unset > (.config for 2.6.23-rc6-mm1 is attached). > > Second, noacpitimer added to the command line makes all of the kernels, up to > and including 2.6.23-rc6-mm1, boot (this seems to be 100% reproducible). That's valuable information. Can you please provide a boot log of one of those with an additional "apic=verbose" on the command line ? Thanks, tglx