[ltp] iSeries, Hibernation, ACPI

[Rob Mayoff]

| Hibernation:
|   My thinkpad seems to be incapable of entering hibernation (also
|   called "suspend to disk" on many machines) under Linux. Iīve played
|   around with it, but nothing seems to help. Even if I leave the
|   Windows partition pretty much intact (with the activated hibernation
|   file) and run a Linux Kernel with APM support on the rest, the
|   machine will not enter hibernation if I press Fn-F12 as it does
|   under Windoze.

I haven't tried using hibernation.  Is sleep mode unsatisfactory?  I
find that sleep mode (Fn-F4) is acceptable for me.  It uses about 1%
battery per hour on my 770Z, and it's a lot faster than hibernation.

| ACPI:
|   Kind of related to the hibernation problem above. My online manual
|   claims that the iSeries supports ACPI (Advanced Configuration and
|   Power Interface). Is this (as I fear) a proprietary protocol that we
|   have no access to so it canīt be built into the Linux kernel or is
|   there some other reason itīs not included yet?

ACPI is a standard intended to replace APM (power management).  I don't
think Linux supports this yet.  There's probably experimental drivers
available for it, though.

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