Re: ACPI power off requires swsusp (was: Re: Power off a SMP Box)

From: Valdis.Kletnieks@vt.edu
Date: Sat Jan 11 2003 - 23:05:24 EST

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In reply to: Tobias Ringstrom: "ACPI power off requires swsusp (was: Re: Power off a SMP Box)"
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On Sat, 11 Jan 2003 13:10:47 +0100, Tobias Ringstrom said:

> I just disovered that in 2.5.56 (at least), ACPI power-off needs
> CONFIG_ACPI_SLEEP which depends on CONFIG_SOFTWARE_SUSPEND. This means
> that without selecting software suspend, your machine cannot power off
> using ACPI. Why is it so?

Well.. I submitted the Kconfig patch that makes it so. However, I only did
that because there's code inside the ACPI_SLEEP that references a variable over
in SOFTWARE_SUSPEND.

A cleaner fix would probably be to move the variable someplace where it will
exist even when SOFTWARE_SUSPEND isn't defined.

-- Valdis Kletnieks Computer Systems Senior Engineer Virginia Tech

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