linux-kernel - Re: ACPI power off regression in 2.6.23-rc8 (NOT in rc7)

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Message-ID: <46F909E0.4020000@suse.de>
Date:	Tue, 25 Sep 2007 17:15:12 +0400
From:	Alexey Starikovskiy <astarikovskiy@...e.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Alexey Starikovskiy <aystarik@...il.com>,
	Damien Wyart <damien.wyart@...e.fr>,
	Torsten Kaiser <just.for.lkml@...glemail.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Len Brown <len.brown@...el.com>, Frans Pop <elendil@...net.nl>,
	linux-acpi@...r.kernel.org
Subject: Re: ACPI power off regression in 2.6.23-rc8 (NOT in rc7)

Rafael J. Wysocki wrote:
> On Tuesday, 25 September 2007 14:53, Alexey Starikovskiy wrote:
>> Rafael J. Wysocki wrote:
>>> On Tuesday, 25 September 2007 14:05, Alexey Starikovskiy wrote:
>>>> Rafael J. Wysocki wrote:
>>>>> On Tuesday, 25 September 2007 13:45, Rafael J. Wysocki wrote:
>>>>>> On Tuesday, 25 September 2007 11:58, Damien Wyart wrote:
>>>>>>>>> No, I do not have CONFIG_ACPI_SLEEP set,
>>>>>>>>> because I do not have CONFIG_PM_SLEEP set,
>>>>>>>>> because I do not want SUSPEND and/or HIBERNATION.
>>>>>>>> Same answer from my side: I do not have CONFIG_ACPI_SLEEP for the same
>>>>>>>> reason (and this worked fine without them in rc7). I do not think
>>>>>>>> these settings should have changed between rc7 and rc8.
>>>>>> Well, we haven't changed much.
>>>>>>
>>>>>>> Also, another test I just did: on another computer, rc8 is fine
>>>>>>> regarding ACPI power off, even if CONFIG_ACPI_SLEEP is not set. I can
>>>>>>> provide config if needed.
>>>>>> On the box that fails to power off, can you please test -rc8 with these two
>>>>>> commits reverted:
>>>>>>
>>>>>> commit 5a50fe709d527f31169263e36601dd83446d5744
>>>>>> ACPI: suspend: consolidate handling of Sx states addendum
>>>>>>
>>>>>> commit f216cc3748a3a22c2b99390fddcdafa0583791a2
>>>>>> ACPI: suspend: consolidate handling of Sx states.
>>>>>>
>>>>>> and see if it works?
>>>>> If it does, please test the patch from this message
>>>>>
>>>>> http://marc.info/?l=linux-kernel&m=119052978117735&w=4
>>>>>
>>>>> on top of vanilla 2.6.23-rc8.
>>>> You will need one more patch on top of just mentioned one.
>>> Hm, why did you put acpi_target_sleep_state under CONFIG_SUSPEND?
>>>
>>> CONFIG_HIBERNATION needs acpi_target_sleep_state  too.
>> Agree, attaching updated patch.
> 
> Well, please use "ifdef CONFIG_PM_SLEEP" instead of
> "if defined(CONFIG_SUSPEND)||defined(CONFIG_HIBERNATION)",
> as you did with the second block.
I was thinking about that, but it seem to be less clear... 
We need this variable only for suspend or hibernation, nothing else.
with pm_sleep it is not visible at all.

Thoughts?
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