From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754731AbYIRMM6 (ORCPT ); Thu, 18 Sep 2008 08:12:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752106AbYIRMMv (ORCPT ); Thu, 18 Sep 2008 08:12:51 -0400 Received: from elasmtp-dupuy.atl.sa.earthlink.net ([209.86.89.62]:43785 "EHLO elasmtp-dupuy.atl.sa.earthlink.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751588AbYIRMMu (ORCPT ); Thu, 18 Sep 2008 08:12:50 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=J0Xnm/fqrRuk2r5JGGQccA+UfgHwK4AnE4jrmMmBYUf0fFq3n2GZZD4l9DV/VwXT; h=Received:Message-ID:Date:From:Reply-To:User-Agent:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding:X-ELNK-Trace:X-Originating-IP; Message-ID: <48D245BF.7060902@earthlink.net> Date: Thu, 18 Sep 2008 08:12:47 -0400 From: Stephen Clark Reply-To: sclark46@earthlink.net User-Agent: Thunderbird 2.0.0.16 (X11/20080723) MIME-Version: 1.0 To: Pavel Machek CC: Andrew Paprocki , LKML Subject: Re: ACPI "Soft-off" power button only rebooting system, not powering off References: <76366b180809162150o51701a1fk209af4e84ffc5674@mail.gmail.com> <20080917101809.GA4771@elf.ucw.cz> <76366b180809170533t6962f3d0qf67278b2e9ff6bd0@mail.gmail.com> <20080918110635.GF27832@elf.ucw.cz> In-Reply-To: <20080918110635.GF27832@elf.ucw.cz> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-ELNK-Trace: a437fbc6971e80f61aa676d7e74259b7b3291a7d08dfec79e48d08d2c02203866b4590f645bbb448350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 24.144.77.185 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Pavel Machek wrote: > On Wed 2008-09-17 08:33:50, Andrew Paprocki wrote: >> On Wed, Sep 17, 2008 at 6:18 AM, Pavel Machek wrote: >>> On Wed 2008-09-17 00:50:03, Andrew Paprocki wrote: >>>> I have an AMD / Award BIOS based system which does not properly shut >>>> off when I hold down the power button for 4 seconds. The BIOS is >>>> configured to have "Soft-off" set to "Delay for 4 seconds" which is >>>> supposed to power the machine off if the button is held that long. >>>> >>>> I first thought this could be a BIOS bug, but this *only* appears to >>>> happen while Linux is running. If the computer is running WinXP, it >>> Well, so the BIOS is broken. 4second hold should power down the >>> machine regardless of the operating system. >> Yes, I agree.. I just find it strange that it works on the BIOS screen >> as well as in GRUB, but as soon as Linux boots, it no longer works. >> Since it works under WinXP, there must be some way to get it to work >> properly from the OS side even it if means working around the bug >> somehow. > > Try noapic/nolapic/nosmp etc... and ask your vendor to fix the bios ;-). > Why do you say it is the BIOS when it shuts down properly from the GRUB prompt or from in WINXP? -- "They that give up essential liberty to obtain temporary safety, deserve neither liberty nor safety." (Ben Franklin) "The course of history shows that as a government grows, liberty decreases." (Thomas Jefferson)