[linux-pm] Re: standby to disk transition

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On Po 13-03-06 03:48:11, Adam Belay wrote:
> On Mon, Mar 13, 2006 at 09:30:38AM +0100, Pavel Machek wrote:
> > On Po 13-03-06 07:34:36, Victor Porton,,, wrote:
> > > There should be something such which would cause (after user
> > > specified timeout, e.g. a hour) automatically switch the
> > > system from standby to suspend to disk (or suspend to mem).
> > ....
> > > Or as a possible alternative, we could suspend SIMULTANEOUSLY
> > > to disk and to mem (with switching into suspend-to-disk by
> > > timeout), to have both quick restoration and automatically
> > > fully turning it off.
> > 
> > Yep, it would be nice.
> > 
> > Does that mean you are working on it and will send me a patch? Do you
> > want help coding?
> 
> The simultaneous idea sounds very similar to the idea Nigel had around a year
> ago.  It may have been implemented to some degree.

suspend2 probably supports it. (Of course; suspend2 supports
everything :-).

> The timeout feature could be done using the ACPI alarm interface, but there's
> no reliable way of knowing how long the system can remain in a suspend state
> on the x86 mobile platform, so waking up at the right time would be tricky if
> not impossible.

Make it an hour... System should be able to stay suspended for an
hour. IIRC Apple did something like this? I'd just be slightly worried
about machine waking up itself just when you hit the turbulence in the
airplane, or something like that. 
								Pavel
-- 
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