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Hello,

> > useful, because what's really missing is saving the state of a lot
> > of hardware devices that lose all their state when put to
> > sleep. Basically, what is needed is for ~every driver on a macppc
> > laptop to get power hooks, and then for someone to test that our
> > power hook infrastructure is actually sufficent. This is an uphill
> > task, because we don't do it on other platforms, either; the APM
> > sleep on x86 boxes takes care of the relevant state management.
>=20
> Would there be other platforms/ports which might benefit from
> exercising the power hook infrastructure ? Or is the macppc platform
> an exception ?

More the other way around - x86 is the exception ( even thought
they're the vast majority ) with the APM BIOS. Almost any non-x86 laptop
will have the same problems, SPARCbooks for instance.

> If there are a good number of other ports which would benefit, IMHO it
> might be a worthy exercise, at least for a subset of drivers.

It would be useful for generic suspend-to-disk support we might want at
some point or any mobile device that needs some sort of power
management. No idea how the various hpc* ports handle this.

have fun
Michael

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