From mboxrd@z Thu Jan  1 00:00:00 1970
From: Danny Milosavljevic <dannym@scratchpost.org>
Subject: bug#28445: Cannot boot GuixSD after system reconfigure
Date: Fri, 22 Sep 2017 16:23:39 +0200
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To: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Cc: 28445@debbugs.gnu.org, help-guix <help-guix@gnu.org>

On Fri, 22 Sep 2017 16:03:47 +0200
ludo@gnu.org (Ludovic Court=C3=A8s) wrote:

> However, there=E2=80=99s one thing I=E2=80=99d like to double-check with =
Danny, which is
> the word order.  With this patch, I have:
>=20
>   (fat32-uuid->string (string->fat32-uuid "aabb-ccdd"))
>   $7 =3D "CCDD-AABB"
>=20
> Danny: are you sure the most-significant 16-bit word comes last?

See https://github.com/karelzak/util-linux/blob/master/libblkid/src/superbl=
ocks/vfat.c#L48

blkid_probe_sprintf_uuid(pr, vol_serno, 4, "%02X%02X-%02X%02X",
vol_serno[3], vol_serno[2], vol_serno[1], vol_serno[0]);