> Or the sleep system doesn't suspend to disk after an hour of RAM usage so that my battery is flat when I return latter.
This is almost certainly a firmware issue. Did you contact your hardware vendor for support and ask them about it?
This is almost certainly a firmware issue. Did you contact your hardware vendor for support and ask them about it?
Everything I've read suggests that this is just a fiddly config issue and setting up the correct script combination would solve it. I just don't have the time of patience to get to the bottom of it right now.