From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 13 Sep 2002 20:16:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 13 Sep 2002 20:16:38 -0400 Received: from krusty.dt.E-Technik.uni-dortmund.de ([129.217.163.1]:59908 "EHLO mail.dt.e-technik.uni-dortmund.de") by vger.kernel.org with ESMTP id ; Fri, 13 Sep 2002 20:16:37 -0400 Date: Sat, 14 Sep 2002 02:21:26 +0200 From: Matthias Andree To: linux-kernel@vger.kernel.org Subject: Re: Possible bug and question about ide_notify_reboot in drivers/ide/ide.c (2.4.19) Message-ID: <20020914002126.GD26758@merlin.emma.line.org> Mail-Followup-To: linux-kernel@vger.kernel.org References: <20020913023744.78077.qmail@web40510.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020913023744.78077.qmail@web40510.mail.yahoo.com> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 12 Sep 2002, Alex Davis wrote: > Second, why do we need to put the disks on standby before halting? I ask because putting To make the broken ones flush their caches... > the disks on standby puts my hard drives into a coma!! When I power up after a halt, I have hard to believe. IDE drives spin up automatically from standby mode. If not, they're broken. Plus, IDE drives will spin up from any state except "defective" or "power loss" with a soft reset (and only broken drives will lose their write cache over soft reset). > to go into the BIOS and force auto-detect to wake them back up. I've removed the "standby" > code and things seem to be functioning normally. I have an Epox 8K7A motherboard with two > Maxtor Hard drives (model 5T040H4). My Maxtor 4W060H4 behaves well in standby. Workaround: do a reboot :-) -- Matthias Andree