On Sun, 15 Jul 2007 david@xxxxxxx 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. Alan Stern _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm