From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Failed to start service 'device-mapping
Date: Sun, 26 Jun 2016 23:00:15 +0200
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References: <3ced718a-b8d0-3eb0-6c3b-ea9cd5513214@ninthfloor.org>
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In-Reply-To: <3ced718a-b8d0-3eb0-6c3b-ea9cd5513214@ninthfloor.org> (Kete Foy's
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To: Kete Foy <kete@ninthfloor.org>
Cc: help-guix@gnu.org

Kete Foy <kete@ninthfloor.org> skribis:

> I checked my config.scm (attached), but I don't see any missing parens
> or any discrepancy from Ludo's example
> <https://lists.gnu.org/archive/html/guix-devel/2016-04/msg00964.html>. I
> also based the rest on rain1's github wiki:
> https://gitlab.com/rain1/guix-wiki/wikis/encrypted-home-config.scm.
>
> I booted the computer, and Grub loaded the kernel. Then, the device
> mapper failed to start, and apparently, every service afterward also
> failed to start: user-processes, guix-daemon, term-tty6, dbus-system,
> xorg-server, etc. I'm trying to run with an encrypted partition mounted
> at /home.
>
> Do I need to correct my config.scm and run the herd and guix system init
> commands again?

>   (mapped-devices (list (mapped-device
>                          (source (uuid "ea0f857c-038b-4dda-b81f-39ad76210=
cfa"))
>                          (target "crypthome")
>                          (type luks-device-mapping))))

Are you sure the UUID is correct?  It must be a LUKS UUID, as returned
by =E2=80=9Ccryptsetup luksUUID /dev/sdXXYY=E2=80=9D, not an ext2 UUID.

Also, the ability to use LUKS UUIDs like this was not available in
0.10.0.  So if you=E2=80=99re installing from the 0.10.0 USB image, you must
first =E2=80=98guix pull=E2=80=99.

Apart from that the config looks OK.

HTH!

Ludo=E2=80=99.