Re: Supporting hibernation in Workstation ed., draft 1

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On Sat, 30 May 2020 at 12:57, Dominique Martinet <asmadeus@xxxxxxxxxxxxx> wrote:
>
> Vitaly Zaitsev via devel wrote on Sat, May 30, 2020:
> > On 30.05.2020 11:51, Iñaki Ucar wrote:
> > > What are the issues? I have full-disk encryption and
> > > suspend-then-hibernate enabled (with secure boot disabled, of course),
> > > and it resumes from hibernation without issues.
> >
> > Do you have encrypted by LUKS swap partition?
> >
> > Fedora cannot resume from encrypted by random passphrase (parameter tmp
> > from crypttab) swap partition.
>
> Well, yes, how do you expect that to possibly ever work? You'd need to
> somehow tell the initrd to not regenerate a new luks key but instead
> enter manually the old random one that you would have meticulously
> copied out before going into hibernation.
>
> If your swap is in a luks partition with a static passphrase (and
> secureboot is disabled) then hibernate works just fine.
> (my laptop wakes up on low power from sleep and switches to hibernate
> automatically if it stays on suspend too long, this is quite awesome and
> I think off-the-box behaviour for this machine. Wouldn't need that if
> the battery wouldn't leak so much when in sleep in the first place,
> admitedly, but I haven't had any recent laptop that could stay in sleep
> mode for a week unfortunately :/)

Exactly. Same here.

-- 
Iñaki Úcar
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