Messages in this thread | | | Subject | Re: [linux-pm] [PATCH] hibernation should work ok with memory hotplug | From | Nigel Cunningham <> | Date | Fri, 07 Nov 2008 07:46:46 +1100 |
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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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