Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759565AbZATHdY (ORCPT ); Tue, 20 Jan 2009 02:33:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753889AbZATHdM (ORCPT ); Tue, 20 Jan 2009 02:33:12 -0500 Received: from fg-out-1718.google.com ([72.14.220.156]:50249 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754521AbZATHdJ (ORCPT ); Tue, 20 Jan 2009 02:33:09 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=N97TdS7ZSxiXxmSAYl8ElcAD32mrDB/HMOVSQ6JvM3mmSTf/UveGK/vpTg3vgj9y3C R8an+vkvUvgUVYbG933HEV5/FnSGfeXo1ynPFjlHYFhvAxQSWC5IXk4aBilzGnxmt9d7 U9WF3P9Txb+75WZJlwk/Ps+WgIoOjjSkaYzuA= Message-ID: <8db1092f0901192333p31d7b924o6a00084851376578@mail.gmail.com> Date: Tue, 20 Jan 2009 08:33:07 +0100 From: "Maciej Rutecki" To: "Rafael J. Wysocki" Subject: Re: [PATCH 6/6] SATA PIIX: Blacklist system that spins off disks during ACPI power off Cc: "Jeff Garzik" , "Frans Pop" , tj@kernel.org, akpm@linux-foundation.org, torvalds@linux-foundation.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <200901192059.23448.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20081104062734.GA4420@havoc.gtf.org> <49739371.5030107@garzik.org> <200901192053.50831.rjw@sisk.pl> <200901192059.23448.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1096 Lines: 31 2009/1/19 Rafael J. Wysocki : > From: Rafael J. Wysocki > > Some notebooks from HP have the problem that their BIOSes attempt to > spin down hard drives before entering ACPI system states S4 and S5. > This leads to a yo-yo effect during system power-off shutdown and the > last phase of hibernation when the disk is first spun down by the > kernel and then almost immediately turned on and off by the BIOS. > This, in turn, may result in shortening the disk's life times. > > To prevent this from happening we can blacklist the affected systems > using DMI information. > > Blacklist HP 2510p that uses the ata_piix driver. > > Signed-off-by: Rafael J. Wysocki Tested-by: Maciej Rutecki Tested on HP Compaq nx6310 Thanks for patches -- Maciej Rutecki http://www.maciek.unixy.pl -- 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/