25 Sep
2015
25 Sep
'15
11:06 p.m.
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Hello all,
On my test Ubuntu install on a Thinkpad, TDEPowersave offers "Suspend to
RAM"
and "Freeze". The first works well and I understand what it does (I get
the
small "moon crescent" glowing.
However, I dont really understand what "Freeze" is supposed to be. It
seems it
turns the screen, harddisc and WiFi off but Bluetooth stays on... and I
don't
know what else.
Thierry
It's rather poorly explained / understood outside of kernel circles;
here's the documentation on all of the suspend states:
https://www.kernel.org/doc/Documentation/power/states.txt
So "Freeze" means "Suspend to Idle", which is the only power saving
state
available that does not require hardware cooperation. It will give you
the absolute lowest amount of power saving available, and in most cases
won't even be worth the trouble of having to reconnect network services,
etc. when you bring the machine back out of Freeze.
Tim
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