Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755777AbZGUSc3 (ORCPT ); Tue, 21 Jul 2009 14:32:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755721AbZGUSc2 (ORCPT ); Tue, 21 Jul 2009 14:32:28 -0400 Received: from mail-fx0-f218.google.com ([209.85.220.218]:61638 "EHLO mail-fx0-f218.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755706AbZGUSc1 (ORCPT ); Tue, 21 Jul 2009 14:32:27 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=uMa6o4KSbc074uvsS6unQw3Swe3HMpboY8ZQtKXrkjZHChqJA9E7yUcC9/QA1L+t23 qwdpGH4A0QGprVXgl6HsaJVj0j9hBJ4Qtt6qMWH+iqQsO8JAsjVtTZbxJyPSUCgQPufx BmisYGmonVi2FrzOqCBZ/VHdQfueT2ntw0Bhc= MIME-Version: 1.0 In-Reply-To: <4A647277.4000009@superbug.demon.co.uk> References: <4A647277.4000009@superbug.demon.co.uk> Date: Tue, 21 Jul 2009 20:32:26 +0200 Message-ID: <8db1092f0907211132s1f77b376yadee21a2f60498c@mail.gmail.com> Subject: Re: Disk access just before shutdown power off. From: Maciej Rutecki To: James Courtier-Dutton Cc: kernel list Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1198 Lines: 29 2009/7/20 James Courtier-Dutton : > Hi, > > When I shutdown my Linux laptop, it does an orderly shutdown with quite > a lot of HD activity during shutdown which eventually stops when the > screen goes blank. Then there is some delay (5-10 seconds) and then a > quick flurry of HD access just before it powers itself off. > Why is this last bit of HD access needed? > Surely, if the system is shut down enough to not use the screen any > more, why does it need the HD? > I am asking, because it would be nice to disable this need of the HD > just before it powers itself off. This would allow me to lift up the > laptop just a bit earlier and place it in my backpack when the screen > blanks without having to worry about HD failure due to shock. > I think it would be nicer if the HD would shut itself down just before > the screen goes blank. > It's HP/Compaq laptop? Regards -- Maciej Rutecki http://www.maciek.unixy.pl -- 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/