Date: Tue, 12 Feb 2008 12:56:22 -0800
From: Greg KH <gregkh@suse.de>
To: Frans Pop <elendil@planet.nl>
Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: [2.6.25-rc1] System no longer powers off after shutdown
Message-ID: <20080212205622.GA21986@suse.de>
References: <200802111623.38478.elendil@planet.nl> <200802122139.14840.elendil@planet.nl>
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On Tue, Feb 12, 2008 at 09:39:14PM +0100, Frans Pop wrote:
> (Resending full details as I can't find my previous mail in the archives.)
> 
> On Monday 11 February 2008, Frans Pop wrote:
> > In general 2.6.25 if looking quite good on my desktop, but there's one
> > important issue: the system no longer powers off after shutdown.
> > This works fine with 2.6.24.
> 
> Don't ask me why, but bisection shows this commit to be the cause of the
> failure to power off:
> commit c10997f6575f476ff38442fa18fd4a0d80345f9d
> Author: Greg Kroah-Hartman <gregkh@suse.de>
> Date:   Thu Dec 20 08:13:05 2007 -0800
> 
>     Kobject: convert drivers/* from kobject_unregister() to kobject_put()
> 
> Because it seemed somewhat unlikely, I have double checked this by doing an
> extra compilation for this commit and its predecessor.

What is the symptom of not powering off?

Can you press SysRq-T and see a task list running and waiting when
things should be shut down?

Do you happen to have a USB storage stick plugged into the system?

thanks,

greg k-h
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