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

From: Alexey Starikovskiy
Date: Tue Sep 25 2007 - 12:31:54 EST

Torsten Kaiser wrote:
> On 9/25/07, Alexey Starikovskiy <aystarik@xxxxxxxxx> wrote:
>> Torsten Kaiser 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.
>> This is not the reason. SUSPEND is controlled with CONFIG_SUSPEND and
>> But if you want S5 ACPI sleep state you might want to enable ACPI_SLEEP...
> What I meant with SUSPEND and/or HIBERNATION was CONFIG_SUSPEND /
> And the relations where from Kconfig:
> from drivers/acpi/Kconfig:
> config ACPI_SLEEP
> bool
> depends on PM_SLEEP
> default y
> -> no PM_SLEEP means no ACPI_SLEEP
> from kernel/power/Kconfig:
> config PM_SLEEP
> bool
> default y
> -> No SUSPEND and/or HIBERNATION means no PM_SLEEP
> And if I select SUSPEND and/or HIBERNATION I will not only build this
> feature into the kernel, but also HOTPLUG_CPU and I want to avoid
> that.
> It's exactly as Linus said in his mail: Not everybody wants SUSPEND...
> I should have formulated that better in my mail, but that was what I
> wanted to say.
> Back to debugging this:
> fails to apply against 2.6.23-rc7-mm1, but moving that function by
> hand was not to difficult. ;)
> (With only the second patch I got a link error...)
> applied, and a test showed that my system now powers off again.
> Torsten
Understood, patches are available, please test.

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