From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764041AbXIXQto (ORCPT ); Mon, 24 Sep 2007 12:49:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763877AbXIXQqY (ORCPT ); Mon, 24 Sep 2007 12:46:24 -0400 Received: from www.osadl.org ([213.239.205.134]:39432 "EHLO mail.tglx.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1763417AbXIXQqX (ORCPT ); Mon, 24 Sep 2007 12:46:23 -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 , Ingo Molnar In-Reply-To: <200709241718.23526.rjw@sisk.pl> References: <200709231257.12213.rjw@sisk.pl> <200709241552.32567.rjw@sisk.pl> <1190643831.4035.209.camel@chaos> <200709241718.23526.rjw@sisk.pl> Content-Type: text/plain Date: Mon, 24 Sep 2007 18:46:20 +0200 Message-Id: <1190652380.4035.236.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 Mon, 2007-09-24 at 17:18 +0200, Rafael J. Wysocki wrote: > > > Well, "noacpi" seems to be a synonym for "pci=noacpi". > > > > > > Anyway, it causes acpi_disable_pci() to be executed, which according to > > > Documentation/kernel-parameters.txt means "Do not use ACPI for IRQ routing or > > > for PCI scanning" (it works like this on x86_64 too, although the doc says it's > > > x86_32-specific). > > > > Hrm. The local apic timer calibration does not use anything which is > > related to interrupts, but if we use the local APIC timer we switch off > > PIT. > > > > Can you boot Linus latest (w/o hrt patches) and add "apicmaintimer" to > > the kernel command line please ? > > Works, dmesg attached. /me scratches head We know, that - disabling local apic timers work - local apic timers (which turn off PIT) work. when noacpiFSCKEDPARSING is given on the kernel command line. I have no clue, what might be the difference of noacpiFSCKEDPARSING. The boot log is not giving any hint at all. acpi_disable_pci() sets acpi_pci_disabled and acpi_noirq to 1. What happens, if you set "acpi=noirq" instead ? tglx