From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Frequent head unload cycle - WD1600BEVE Date: Wed, 01 Oct 2008 02:35:33 +0900 Message-ID: <48E26365.5010905@kernel.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:34561 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752759AbYI3Rgy (ORCPT ); Tue, 30 Sep 2008 13:36:54 -0400 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Carlos Bessa Cc: linux-ide@vger.kernel.org Hello, Carlos. Carlos Bessa wrote: > Hi, > I have installed a new hard drive to my laptop and noticed i have this > problem. Didn't have any problem with the previous/original drive. > > Laptop: Targa Traveller 826T (clone of MSI M635 - MS1029) > Hard Drive: Western Digital 2.5" WD1600BEVE > OS: OpenSuSE 11.0 64bit > > Western Digital has an utility on their website to resolve this, but > it does nothing as it notifies that the hard drive already has the > latest firmware: > http://wdc.custhelp.com/cgi-bin/wdc.cfg/php/enduser/popup_adp.php?p_sid=undefined&p_lva=undefined&p_li=undefined&p_faqid=1414&p_created=1138984716&p_sp=undefined > > I have noticed this problem for a while now, and have used this > information and laptop-mode-tools to work around it: > http://en.opensuse.org/Reduce_laptop_APM_loadcycle > But i have only found this webpage a few days ago. > The value 254 seems to work fine. I'm not sure I should be adding cases where the drive has been replaced. Hmm.. we definitely need something more dynamic. I'll keep you informed on progress. Thanks. -- tejun