Tuesday, 11 July 2017

Re: Ubiquity not enabling hibernation in 17.04

On 29 June 2017 at 18:54, Nate Graham <[email protected]> wrote:
> Hello all,
> I've recently installed Kubuntu 17.04 on a bunch of machines and noticed
> that they all got 2 GB swap files (smaller than their RAM) and hibernation
> wasn't enabled.
>
> I filed a bug
> (https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1699336) and was
> told that not enabling hibernation by default was intentional.
>
> Is there any chance we can revisit that decision? Hibernation is a useful
> alternative to suspending, especially given the modern focus on long laptop
> battery life.

At the time we have disabled, hybernation would fail way too often.
There was a very high failure to resume rate, across e.g. 1000
hybernate-resume cycles, on Ubuntu certified laptops in collaboration
with OEMs.

Currently, the state of the art is the deep suspend state, rather than
hybernation states. Thus modern laptops sleep is close to hybernation
in many ways, w.r.t. power usage. However, not the security.

--
Regards,

Dimitri.

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