From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [git patches] libata hibernation fixes Date: Fri, 02 Jan 2009 11:36:57 +0900 Message-ID: <495D7DC9.8070101@kernel.org> References: <20081104062734.GA4420@havoc.gtf.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:49460 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755483AbZABChd (ORCPT ); Thu, 1 Jan 2009 21:37:33 -0500 In-Reply-To: <20081104062734.GA4420@havoc.gtf.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: Andrew Morton , Linus Torvalds , linux-ide@vger.kernel.org, LKML Jeff Garzik wrote: > This adds code at a late stage (heading towards -rc4), but does > eliminate a particular spin-up overcycling behavior associated with > hibernation. > > Rafael's extended description below... Separated to make it easier to > pull-or-not, separate from the other libata fixes. There shouldn't be > any merge trouble between the two. > > SATA: Blacklist systems that spin off disks during ACPI power off Jeff, I think this should be merged into 2.6.29 unless Linus still objects. Linus, as discussed in this thread, this is workaround for a hardware / firmware problem and vanilla windows also suffers the problem, so as ugly as it is, we need this to prevent double spin down on the machine. Thanks and happy new year. -- tejun