From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#29881: guix system reconfigure fails if config.scm contains LUKS
	mapped-devices
Date: Mon, 05 Mar 2018 10:58:54 +0100
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To: Mark H Weaver <mhw@netris.org>
Cc: 29881-done@debbugs.gnu.org, Diego Nicola Barbato <dnbarbato@posteo.de>

ludo@gnu.org (Ludovic Court=C3=A8s) skribis:

> Mark H Weaver <mhw@netris.org> skribis:
>
>> ludo@gnu.org (Ludovic Court=C3=A8s) writes:
>>
>>> Diego Nicola Barbato <dnbarbato@posteo.de> skribis:
>>>
>>>> When running `guix system reconfigure /etc/config.scm' as root I get t=
he
>>>> following error:
>>>>
>>>> guix system: error: failed to load '/etc/config.scm':
>>>> /etc/config.scm:24:9: /etc/config.scm:24:9: In procedure allocate-stru=
ct: Wrong type argument in position 2: 3
>>>
>>> I=E2=80=99m afraid you=E2=80=99ll have to =E2=80=9Crm -rf ~/.cache/guil=
e/ccache=E2=80=9D (Guile=E2=80=99s
>>> auto-compilation cache) to work around
>>> e2721a05e7d778bdf845b7cb7a42fd9f76095b69.
>>
>> FYI, more recently there has been another change that caused "guix
>> system build" to fail for me, and once again it was fixed by clearing
>> the auto-compilation cache for my system configuration.
>
> For now, in commit 92423868bc451600f8f3d93b638091d12b14b7aa, I=E2=80=99ve
> arranged so that auto-compilation is turned off for Guile 2.2.3 only.

[...]

> I=E2=80=99m not sure we can do much better for 2.2.3, or perhaps we should
> always use (compile-file file #:to 'value) in =E2=80=98load*=E2=80=99?

In commit f44c7aaccd1942b8bf7916e4c8bb0f8f1abfcb58 I added an explicit
=E2=80=98compile-file=E2=80=99 call to update the cached .go file for the u=
ser=E2=80=99s config,
when on 2.2.3.

This should solve the problem most of the time.  The only remaining
issue is if you=E2=80=99re using 2.2.3 and your config spans several module=
s:
only the main .scm file is rebuilt, so there could be ABI issues in the
other modules.

I=E2=80=99m closing the bug now.

Ludo=E2=80=99.