From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH 1/2] ide: Stop disks on reboot for laptop which cuts power Date: Mon, 20 Apr 2009 17:35:39 +0900 Message-ID: <49EC33DB.5060808@gmail.com> References: <20090418124415.1dc82273@neptune.home> <20090418124558.0426f74c@neptune.home> <49EC299D.5020102@gmail.com> <20090420102826.5184f3fe@pluto.restena.lu> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from ti-out-0910.google.com ([209.85.142.188]:5822 "EHLO ti-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750884AbZDTIfr (ORCPT ); Mon, 20 Apr 2009 04:35:47 -0400 In-Reply-To: <20090420102826.5184f3fe@pluto.restena.lu> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: =?UTF-8?B?QnJ1bm8gUHLDqW1vbnQ=?= Cc: Linux IDE , Bartlomiej Zolnierkiewicz , Jeff Garzik , Linux Kernel , Linux SCSI Hello, Bruno Pr=C3=A9mont wrote: > Possibly it depends very much how the power is connected, > e.g. desktop boxes with ATX power-supply probably never tell the > power-supply to cut the power but laptop may behave differently with > regard to their built-in DC-DC converters (disks connected to > mainboard versus disks directly connected to power supply). I've seen several desktop motherboards which fully power cycle disks on reboot. Dunno where the difference comes from tho. IIRC, some intel boards seem to do things that way. > What I was also wondering whether the list of machines to which to > apply the quirk should be moved to a common location so it exists > only once for ide and scsi/ata instead of once on each side. Having > the list exactly once avoids the risk for content to drift between > ide and scsi/ata. Hmmm.... Thanks. --=20 tejun