From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266209AbUHSOMX (ORCPT ); Thu, 19 Aug 2004 10:12:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266216AbUHSOMX (ORCPT ); Thu, 19 Aug 2004 10:12:23 -0400 Received: from host-ip82-243.crowley.pl ([62.111.243.82]:57860 "HELO software.com.pl") by vger.kernel.org with SMTP id S266209AbUHSOMT (ORCPT ); Thu, 19 Aug 2004 10:12:19 -0400 From: Karol Kozimor Organization: Aurox Sp. z o.o. To: linux-kernel@vger.kernel.org Subject: Re: [ACPI] Re: 2.6.8.1-mm1 hangs on boot with ACPI Date: Thu, 19 Aug 2004 16:12:47 +0200 User-Agent: KMail/1.6.2 Cc: "Li, Shaohua" , , "Brown, Len" , "Pontus Fuchs" , "Greg KH" , References: In-Reply-To: MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200408191612.48033.kkozimor@aurox.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 19 of August 2004 15:54, Li, Shaohua wrote: > Why this breaks ACPI? ACPI just try to reserve the IO port declared in > DSDT (ACPI itself doesn't use the io ports), but if the attempt failed, _TMP indirectly tries (and fails) to access HSTS field which is in the reserved region. Furthermore, the loop in the HBSY method that gets referenced keeps kacpid very busy during (possibly) thermal interrupt handling, thus increasing the system load and temperature, and in turn, the frequency of thermal notifies. Best regards, -- Karol 'sziwan' Kozimor sziwan@hell.org.pl