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Date: Sat, 28 Sep 2013 16:25:33 +0200
From: Roland Smith <rsmith@xs4all.nl>
To: yudi v <yudi.tux@gmail.com>
Subject: Re: Is it possible to suspend to disk with geli+Root on ZFS
 installation
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On Fri, Sep 27, 2013 at 05:37:55PM +1000, yudi v wrote:
> Hi all,
>=20
> Is it possible to suspend to disk (hibernate) when using geli for full di=
sk
> encryption.=20

As far as I can tell, FreeBSD doesn't support suspend to disk on all
architectures. On amd64 the necessary infrastructure doesn't exist, and on
i386 FPU state is lost, there is no multiprocessor support and some MSRs are
not restored [1].

[1]: https://wiki.freebsd.org/SuspendResume

And even suspend to RAM doesn't work on every machine [2].

[2]: https://wiki.freebsd.org/IdeasPage#Suspend_to_disk


Roland
--=20
R.F.Smith                                   http://rsmith.home.xs4all.nl/
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