Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759934AbZATHcX (ORCPT ); Tue, 20 Jan 2009 02:32:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754533AbZATHcA (ORCPT ); Tue, 20 Jan 2009 02:32:00 -0500 Received: from fg-out-1718.google.com ([72.14.220.153]:60859 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753889AbZATHb7 (ORCPT ); Tue, 20 Jan 2009 02:31:59 -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=c+jGgXulP7b7dQ/5FA661zKvSUa/48NG0Q1sqr73Ql4/b5g08D0xyRs8RTUMteCRRU k5gpLtuPp1s1B369Gh//X2pjuLy24w7lU+5iXb0Vq0T5Sot5r3EW58dkFterhsPBl2Wx u2rrNKq8k5pmi0qUU8vSPtwiAG2PuHZRGwp3s= Message-ID: <8db1092f0901192331s7d35a3b8j26f5499fba9c6fb2@mail.gmail.com> Date: Tue, 20 Jan 2009 08:31:57 +0100 From: "Maciej Rutecki" To: "Rafael J. Wysocki" Subject: Re: [PATCH 4/6] SATA AHCI: 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: <200901192057.37643.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> <200901192057.37643.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1094 Lines: 32 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 nx6310 that uses the AHCI 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/