From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758291AbXGIRgH (ORCPT ); Mon, 9 Jul 2007 13:36:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754459AbXGIRf4 (ORCPT ); Mon, 9 Jul 2007 13:35:56 -0400 Received: from trinity.phys.uwm.edu ([129.89.57.159]:39838 "EHLO trinity.phys.uwm.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754368AbXGIRfz (ORCPT ); Mon, 9 Jul 2007 13:35:55 -0400 Date: Mon, 9 Jul 2007 12:35:04 -0500 (CDT) From: Bruce Allen X-X-Sender: ballen@trinity.phys.uwm.edu To: Jeff Garzik cc: Mark Lord , David Greaves , Douglas Gilbert , Tejun Heo , Alan Cox , Kai Makisara , Linux Kernel Mailing List , Jan Dvorak , Smartmontools Mailing List , Klaus Fuerstberger , Bruce Allen Subject: Re: SMART problems in 2.6.22 In-Reply-To: <469198E4.6000200@garzik.org> Message-ID: References: <469198E4.6000200@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 On Sun, 8 Jul 2007, Jeff Garzik wrote: Jeff, thanks for the quick feedback. > On the base point, libata has never enabled SMART on its own. That's > always up to the BIOS, etc. OK, clear. > 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? Cheers, Bruce