Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934725AbXHGUcA (ORCPT ); Tue, 7 Aug 2007 16:32:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758697AbXHGUbv (ORCPT ); Tue, 7 Aug 2007 16:31:51 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:34356 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757986AbXHGUbu (ORCPT ); Tue, 7 Aug 2007 16:31:50 -0400 From: "Rafael J. Wysocki" To: "Maciej Rutecki" Subject: Re: Disk spin down issue on shut down/suspend to disk Date: Tue, 7 Aug 2007 22:41:23 +0200 User-Agent: KMail/1.9.5 Cc: "Michael Sedkowski" , trenn@suse.de, "Tejun Heo" , "Robert Hancock" , "Henrique de Moraes Holschuh" , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, linux-acpi@vger.kernel.org References: <8db1092f0708071309h5cf6f68bo80b44d9a2fbeabeb@mail.gmail.com> <200708072233.52500.rjw@sisk.pl> In-Reply-To: <200708072233.52500.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200708072241.24091.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1433 Lines: 28 On Tuesday, 7 August 2007 22:33, Rafael J. Wysocki wrote: > On Tuesday, 7 August 2007 22:09, Maciej Rutecki wrote: > > 2007/8/7, Michael Sedkowski : > > > I did some additional checking today... > > > On kernels prior to 2.6.22 line, the bug exists and manifests itself > > > exactly the same way. However, when I removed the "-h" flag > > > from /etc/init.d/halt, the drive spins down only once on "Power down" > > > message and there is no sign of the bug and the emergency unload count > > > remains constant. I've verified this on kernels 2.6.21.6; 2.6.20.4; > > > 2.6.18-4-686-Etch. > > > The obvious conclusion is that something must have changed it the 2.6.22 > > > kernels, so that removing the "-h" has no effect. > > > I dunno if my observations are of any value, but I thought You should > > > know... > > > > I confirm this. First 2.6.21-rcx works OK (if I remember). In > > 2.6.22(.1) remove -h option doesn't help - only warning message > > dissapear, and double spin down also exists in suspend to disk. > > Well, on my box (nx6325) with the appended (experimental) patch applied > on top of 2.6.23-rc1 with the patchset from s/2.6.23-rc1/2.6.23-rc2/ - 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/