Messages in this thread | | | From | Nigel Cunningham <> | Subject | Re: Hibernation considerations | Date | Mon, 16 Jul 2007 09:38:13 +1000 |
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Hi.
On Monday 16 July 2007 09:15:47 Alan Stern wrote: > On Sun, 15 Jul 2007 david@lang.hm wrote: > > > >> for a pure hibernate mode, you will be powering off the box after saving > > >> the suspend image. why are there any special ACPI modes involved? > > > > > > Because, for example, on my machine the status of power supply (present > > > vs not present) is not updated correctly after the restore if ACPI callbacks > > > aren't used during the hibernation. That's just experience and it's in line > > > with the ACPI spec. > > > > so if a machine is actually powered off the /dev/suspend process won't > > work? > > > > remember that the system may run a different OS between the hibernate and > > the resume, makeing any assumptions about what state the hardware is in > > when you start the resume is a problem. > > As I understand it, running a different OS between the hibernate and > the resume would violate the ACPI spec.
Well then, I know one or two people who would argue that the ACPI spec is faulty. :\
Regards,
Nigel -- Nigel Cunningham Christian Reformed Church of Cobden 103 Curdie Street, Cobden 3266, Victoria, Australia Ph. +61 3 5595 1185 / +61 417 100 574 Communal Worship: 11 am Sunday. [unhandled content-type:application/pgp-signature] | |