From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753557Ab0EQPKu (ORCPT ); Mon, 17 May 2010 11:10:50 -0400 Received: from snt0-omc3-s11.snt0.hotmail.com ([65.55.90.150]:5715 "EHLO snt0-omc3-s11.snt0.hotmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752394Ab0EQPKt convert rfc822-to-8bit (ORCPT ); Mon, 17 May 2010 11:10:49 -0400 Message-ID: X-Originating-IP: [164.116.126.146] From: Yuhong Bao To: CC: , , , , , , Subject: RE: [PATCH] x86: Disable HPET MSI on ATI SB700/SB800 Date: Mon, 17 May 2010 08:10:48 -0700 Importance: Normal In-Reply-To: <20100517145943.GV5888@alberich.amd.com> References: <87bphpd4rt.fsf@basil.nowhere.org>,<4B32565E.6000501@compro.net>,<20091223191806.GA3336@linux-os.sc.intel.com>,<4B3270FE.5090607@compro.net>,<1261600243.16916.56.camel@localhost.localdomain>,<4B476E8D.1030308@compro.net>,<20100121190952.GA32523@linux-os.sc.intel.com>,,<20100125171059.GB5041@alberich.amd.com>,<20100517145943.GV5888@alberich.amd.com> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT MIME-Version: 1.0 X-OriginalArrivalTime: 17 May 2010 15:10:48.0868 (UTC) FILETIME=[21DF7E40:01CAF5D3] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > The suggested workaround for this is to disable HPET MSI if LPC > devices are used. I doubt that there is a convenient way for Linux to > find out whether LPC devices are used.And don't forget that the Super I/O chip in most motherboards is an LPC device!(In fact, that was what LPC was invented for) > Thus I think the only solution > to safely avoid the problem is the currently implemented quirk to > disable HPET MSI on this chipset. Yuhong Bao _________________________________________________________________ The New Busy is not the too busy. Combine all your e-mail accounts with Hotmail. http://www.windowslive.com/campaign/thenewbusy?tile=multiaccount&ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_4