From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759883AbXGISDK (ORCPT ); Mon, 9 Jul 2007 14:03:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753748AbXGISC6 (ORCPT ); Mon, 9 Jul 2007 14:02:58 -0400 Received: from trinity.phys.uwm.edu ([129.89.57.159]:57702 "EHLO trinity.phys.uwm.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752419AbXGISC5 (ORCPT ); Mon, 9 Jul 2007 14:02:57 -0400 Date: Mon, 9 Jul 2007 13:02:28 -0500 (CDT) From: Bruce Allen X-X-Sender: ballen@trinity.phys.uwm.edu To: Jan Dvorak , Klaus Fuerstberger , Linux Kernel Mailing List , Jeff Garzik cc: Mark Lord , David Greaves , Douglas Gilbert , Tejun Heo , Smartmontools Mailing List , Alan Cox , Kai Makisara , Bruce Allen Subject: Re: SMART problems in 2.6.22 In-Reply-To: <469275F5.3050906@garzik.org> Message-ID: References: <469198E4.6000200@garzik.org> <469275F5.3050906@garzik.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Jeff, >>> It's possible that the recent addition of ACPI support will cause disks to >>> be in different modes than previously expected. ACPI supplies ATA >>> taskfiles to be pushed to the disk, and who knows what's in there... >> >> Is there a simple way I can have affected users test this? Is there a >> kernel boot flag or sysctl setting or something else they can use to >> disable the ACPI stuff so see if the problem then goes away? > > The 'noacpi' module option. OK, thanks. Klaus, Jan: could you please see if your problem with 2.6.22 goes away with noacpi passed as a flag to libata? Jeff: I will add the noacpi test suggestion into the Debian bug report here http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=428975 to try to ensure that Klaus sees it. Cheers, Bruce