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From: Arnout Vandecappelle <arnout@mind.be>
To: "Ákos Maróy" <akos@maroy.hu>
Cc: Kernel development list <linux-kernel@vger.kernel.org>
Subject: Re: how to debug a kernel that does not power off?
Date: Fri, 26 Mar 2010 20:56:10 +0100	[thread overview]
Message-ID: <201003262056.11231.arnout@mind.be> (raw)
In-Reply-To: <4BA9525E.9000701@maroy.hu>

 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
> --
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-- 
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

  reply	other threads:[~2010-03-26 19:56 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-23 23:44 how to debug a kernel that does not power off? Ákos Maróy
2010-03-26 19:56 ` Arnout Vandecappelle [this message]
2010-03-27  1:47   ` Robert Hancock
2010-03-27  1:47     ` Robert Hancock
  -- strict thread matches above, loose matches on Subject: below --
2010-03-25  4:32 Ákos Maróy
2010-03-25  8:39 ` Alexey Starikovskiy
2010-03-25 16:45   ` Ákos Maróy

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