From: Robert Hancock <hancockrwd@gmail.com>
To: Arnout Vandecappelle <arnout@mind.be>
Cc: "Ákos Maróy" <akos@maroy.hu>,
"Kernel development list" <linux-kernel@vger.kernel.org>,
linux-acpi <linux-acpi@vger.kernel.org>
Subject: Re: how to debug a kernel that does not power off?
Date: Fri, 26 Mar 2010 19:47:52 -0600 [thread overview]
Message-ID: <4BAD63C8.6070401@gmail.com> (raw)
In-Reply-To: <201003262056.11231.arnout@mind.be>
On 03/26/2010 01:56 PM, Arnout Vandecappelle wrote:
> Take a look at the pm_power_off functions in arch/x86/kernel/apm_32.c
>
> Regards,
> Arnout
Any modern machine will be using ACPI functions to power off, not APM..
CCing the linux-acpi list.
>
> 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"
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>
prev parent reply other threads:[~2010-03-27 1:48 UTC|newest]
Thread overview: 3+ 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
2010-03-27 1:47 ` Robert Hancock [this message]
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