On Saturday 26 September 2015 01.06:52 Timothy Pearson wrote:
> 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

Thank you Tim for the explanation. Interrestingly, TDE on openSUSE has both 
suspend to disc and suspend to RAM (and both work, even if the machine seems 
stuck a while when comming out of suspend to disc), but TDE on Ubuntu proses 
suspend to RAM and Freeze.

Thierry