linux-kernel - Re: [PATCH] (repost) Fix SMP poweroff hangs

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Date:	Sun, 30 Sep 2007 13:21:45 -0400
From:	Mark Lord <lkml@....ca>
To:	Santiago Garcia Mantinan <manty@...ty.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] (repost) Fix SMP poweroff hangs

Santiago Garcia Mantinan wrote:
> Doesn't fix for me!
> 
> I have an Athlon x2 running on a Asus A8N-E mobo which has an NForce 4
> chipset, I thought this patch would fix poweroff for me too, but it doesn't.
> 
> I'm seing this on 2.6.23-rc8 with and without your patch, here is what I get
> on the console:
> 
> Shutdown: hdd
> Shutdown: hda
> System halted.
> 
> Nothing else pops up.

I'd say your problem is more of a distro issue,
in that the method you are using to shutdown
is not actually requesting "poweroff".

That last mess above ("System halted.") comes from kernel_halt(),
rather than the expected message ("Power down.") from kernel_power_off().

So, try using the "poweroff" command instead of "halt",
or try using "halt -p".  If neither of those work,
then edit /etc/init.d/halt and hardcode the "-p" parameter
inside there onto the "halt" command line(s).

I had to do that frequently back in the Redhat/Fedora days.
I'm sure they have a nice GUI for it somewhere,
but at the time it was simpler to just edit the script.

Cheers
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