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Date: Thu, 2 Jan 2003 16:40:10 +0100
From: Marc Giger <gigerstyle@gmx.ch>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Power off a SMP Box
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On Fri, 3 Jan 2003 02:03:58 +1100
Stephen Rothwell <sfr@canb.auug.org.au> wrote:

> On Thu, 2 Jan 2003 13:53:50 +0100 Marc Giger <gigerstyle@gmx.ch> wrote:
> >
> > My "problem" is that my Dual-Box won't power off itself after a shutdown.
> 
> Has it ever?  What kernel version are you trying this on?

With Linux never! With W....... no problem.

2.2.16, 2.2.18, and most of 2.4.

Now I'm running a 2.4.19 with openmosix patches..

> 
> > I tried with 
> > 
> > apm=smp-power-off	//no effect
> > apm=power-off		//this one oopses on boot
> 
> This second should work on any kernel since early 2000.

As I already said, with the second argument it oopses on boot...

> 
> However, there are many SMP machines that cannot be powered off
> using APM.  APM is not defined for SMP machines, and the result
> you got is why APM is not enabled easily on SMP boxes.

yep...I know it...

> 
> > Has someone a hint for me?
> 
> You could try ACPI in (very) recent kernels.

You mean a 2.5.x kernel? Any Kernel with the newest ACPI patches has never powered off any of my machines:-(
Perhaps I don't know something...
I will try it now again...

Thank you

Marc
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