linux-kernel - Re: halt does not shut the system down

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Message-ID: <4713733F.7060408@gmail.com>
Date:	Mon, 15 Oct 2007 18:03:43 +0400
From:	Alexey Starikovskiy <aystarik@...il.com>
To:	John Sigler <linux.kernel@...e.fr>
CC:	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	robert.moore@...el.com, len.brown@...el.com
Subject: Re: halt does not shut the system down

John Sigler wrote:
> Alexey Starikovskiy wrote:
> 
>> John Sigler wrote:
>>
>>> Alexey Starikovskiy wrote:
>>>
>>>> Could you please open bug at bugzilla.kernel.org and put all
>>>> these files there?
>>>
>>> http://bugzilla.kernel.org/show_bug.cgi?id=9148
>>>
>>> Writing 15361 (i.e. 0x3C01) to ACPI_REGISTER_PM1A_CONTROL appears
>>> to hang my system in acpi_os_write_port(). What can I do about that?
>>
>> That is supposed to turn your machine off. At least we now know that
>> ACPI did try to turn it off. You could also try different kernel or
>> defconfig.
> 
> What's defconfig? .config? Which option(s) might have an impact?

This is an option to make. It creates .config file with some default settings,
appropriate to most computers.

>>> Is it a BIOS issue? a kernel issue? a hardware issue?
>>
>> I think _other_ OS could turn your machine off just fine, so the
>> issue is not HW, not BIOS. Probably, first thing to try is 2.6.23.1
>> as it was just released and has some changes in power management
>> section...
> 
> I have the same problem in 2.6.23.1 (cf. my bug report in the database)
> 
> I'll ask the manufacturer whether they could get poweroff to work.
> 
> Regards.
> 

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