Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755300Ab0A1UbN (ORCPT ); Thu, 28 Jan 2010 15:31:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753098Ab0A1UbM (ORCPT ); Thu, 28 Jan 2010 15:31:12 -0500 Received: from g1t0026.austin.hp.com ([15.216.28.33]:7290 "EHLO g1t0026.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751526Ab0A1UbK (ORCPT ); Thu, 28 Jan 2010 15:31:10 -0500 From: Bjorn Helgaas To: Yinghai Lu Subject: Re: [Bug #15124] PCI host bridge windows ignored (works with pci=use_crs) Date: Thu, 28 Jan 2010 13:31:05 -0700 User-Agent: KMail/1.9.10 Cc: Linus Torvalds , Jesse Barnes , Jeff Garrett , "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Linux PCI , Myron Stowe , Matthew Garrett , Ingo Molnar References: <201001280909.46043.bjorn.helgaas@hp.com> <4B61D554.9000003@kernel.org> In-Reply-To: <4B61D554.9000003@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <201001281331.06218.bjorn.helgaas@hp.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1207 Lines: 26 On Thursday 28 January 2010 11:20:04 am Yinghai Lu wrote: > On 01/28/2010 08:09 AM, Bjorn Helgaas wrote: > > On Wednesday 27 January 2010 10:53:51 pm Yinghai Lu wrote: > > We should fix that problem rather than just covering it up by > > disabling ACPI. Can you provide any details? > that is not covering problem. acpi just cause too many problems. > > systems using acpi hotplug support, and use acpi aml code to monitor the hotplug status instead of HW > and after one or two days will have interrupt storm with sci/acpi interrupt aka 9. > ... > check many systems have broken acpi? > some system acpi code even clear pci bar when just enable acpi at the first point. Sorry, let me try to be more constructive. You mention some things above that might be issues with Linux. I am eager to help fix them. However, to make progress, I need information, not just rumors. Can you point me to bug reports? Bugzillas? Ways to reproduce the problems? Bjorn -- 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/