From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753083Ab0CZT4Q (ORCPT ); Fri, 26 Mar 2010 15:56:16 -0400 Received: from 132.79-246-81.adsl-static.isp.belgacom.be ([81.246.79.132]:40962 "EHLO viper.mind.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752287Ab0CZT4O (ORCPT ); Fri, 26 Mar 2010 15:56:14 -0400 From: Arnout Vandecappelle Organization: Essensium/Mind To: =?iso-8859-1?q?=C1kos_Mar=F3y?= Subject: Re: how to debug a kernel that does not power off? Date: Fri, 26 Mar 2010 20:56:10 +0100 User-Agent: KMail/1.13.1 (Linux/2.6.31-14-generic; KDE/4.4.1; x86_64; ; ) Cc: Kernel development list References: <4BA9525E.9000701@maroy.hu> In-Reply-To: <4BA9525E.9000701@maroy.hu> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit Message-Id: <201003262056.11231.arnout@mind.be> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Take a look at the pm_power_off functions in arch/x86/kernel/apm_32.c Regards, Arnout On Wednesday 24 March 2010 00:44:30, Ákos Maróy wrote: > Hi, > > This might be a lame question, but: how would I debug a kernel that > simply does not power off a machine? When powering off, on the console I > get to the message: [...] Poweroff. > > but then, the machine actually does not power off. This is an HP Envy 15 > laptop using an intel i7 CPU, and kernel 2.6.32.9. > > I tried to read up on all sorts of documentation, but could not get more > debug info out of the kernel :( > > any pointers would be welcome.. > > > Akos > -- > 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/ -- Arnout Vandecappelle arnout at mind be Senior Embedded Software Architect +32-16-286540 Essensium/Mind http://www.mind.be G.Geenslaan 9, 3001 Leuven, Belgium BE 872 984 063 RPR Leuven LinkedIn profile: http://www.linkedin.com/in/arnoutvandecappelle GPG fingerprint: 31BB CF53 8660 6F88 345D 54CC A836 5879 20D7 CF43