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SubjectRe: [linux-pm] [PATCH] hibernation should work ok with memory hotplug
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Hi.

On Thu, 2008-11-06 at 09:48 -0500, Alan Stern wrote:
> On Thu, 6 Nov 2008, Nigel Cunningham wrote:
>
> > Remember that when we hibernate (assuming we don't then suspend to ram),
> > the power is fully off. Resuming starts off like a fresh boot.
>
> That simply is not true. On ACPI systems, hibernation goes into the S4
> state. Power fully off is S5.

For the purposes of our discussion, it was a good enough description.
Nevertheless, you're right - if we do everything in a fully ACPI spec
compliant way, there will still be some power around. Of course we don't
always do that (can use S4 or S5).

Regards,

Nigel



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