On Sat, 18 Aug 2012 09:15:33 -0700
Daniel Rudy <dr2...@pacbell.net> wrote:
> I have submitted a project proposal to the community. The full text can
> be found on the FreeBSD forums here:
> The project is to develop a working implementation of
> suspend/resume/hibernate on FreeBSD. Most, if not all, of this work
> will be done in the kernel.
We have to decouple the problems into two categories here:
1. To make more machines to resume properly -
``It BASICALLY WORKS, but NOT on A PARTICULAR machine'' class.
Please note that we already have a number of laptops which can resume
perfectly; though I have to admit there're number of laptops which can't.
To solve this type of problem we basically have to:
a. investigate WHY THINGS DOESN'T WORK for A PARTICULAR MACHINE and
b. fix it, propose a workaround or convince BIOS vendors to fix their
2. Implement OS-driven hibernation. (S4OS in ACPI term)
This will be an infrastructural work because we definitely
LACK THE IMPLEMENTATION at the moment.
S4OS implementation will probably diverge between kernel and loader(8),
that makes it harder to tackle.
Things can be more complicated if we attempt to prepare a generic
framework for hibernation which isn't necessarily tied to ACPI.
(arm thingie comes to my mind)
Sorry for my random thoughts,
-|-__ YAMAMOTO, Taku
| __ < <t...@tackymt.homeip.net>
- A chicken is an egg's way of producing more eggs. -
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