On Feb 11, 2006, at 11:36, Jan Merka wrote:
On Friday 10 February 2006 18:35, Pavel Machek wrote:
Anyway, it means that suspend is still quite a hot topic, and that
is good. (Linus said that suspend-to-disk is basically for people
that can't get suspend-to-RAM to work, and after I got suspend-to-
RAM to work reliably here, I can see his point).
I strongly disagree. I got suspend-to-RAM to work but its utility
is seriously limited by battery capacity. For example, on my laptop
(Sony VGN-B100B) with 1.5GB of RAM, a fully charged battery is
drained in about 18 hours if the laptop was suspended to RAM.
Ick, that's kind of sucky hardware then. My PowerBook with 1GB RAM
easily gets a week of sleep time off a fully charged battery; I don't
think I've rebooted it _once_ in the last 2 months, I just leave it
sleeping in my bag the whole time. Sony must be doing something
wrong, because there's easily enough power in a single battery to
keep RAM refreshed for a _long_ time.
Yes, for a few hours suspend-to-RAM is convenient but suspend-to-
disk is _reliable_ and _safe_.
As to the safety issue, I have my Apple Powerbook configured to
suspend to RAM, and if it gets critically low on battery I have the
firmware set to resume it automatically and my scripts shut it down
so I don't lose data. Suspend-to-RAM when implemented properly _is_
reliable and safe, but it seems like a lot of hardware manufacturers
get it wrong.
Cheers,
Kyle Moffett
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