(let me add that I think the reason that it also happened to me by
suspending in windows too, is that I disabled/uninstalled samsung's
optimized power plan and intel rapid start, as I usually disable or
uninstall the "extras").
I think that there is something in the bios that expects to be able to
go to deep sleep, and its state is corrupted somehow if it doesn't.
Here is some excerpt from some "Intel Rapid Start" literature:
--------
Power Manager refers to Intel Rapid Start Technology as "30 Day
Standby". The "30 Day Standby" uses a special Hibernation partition on the SSD
to capture the contents of system memory.
The benefit is a longer battery life (compared to standard Sleep mode)
and shorter resume time (compared to standard Hibernate mode).
To enable "30 Day Standby", the user will need to create a special
Hibernation partition on the SSD and also to install Power Manager.
--------
I guess that the laptop first goes into normal sleep, keeping the RAM powered.
And then wakes up briefly to serialize the RAM to an SSD partition if it was
sleeping for a while, or with lower battery, to be able to remove power to the
RAM.
Either that, or maybe it expects the OS to have serialized the RAM to the
internal SSD to already have the RAM,, and a hook to wake up. IDK. It's my best
guess.
PS: I dual boot win7 and Kubuntu 13.10. I have the Samsung NP530U3C running
bios P14AAJ.
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https://bugs.launchpad.net/bugs/971061
Title:
acpi reports battery state incorrectly
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