From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#22548: Kernel panic after system reconfiguration
Date: Wed, 03 Feb 2016 23:05:18 +0100
Message-ID: <87io254fhd.fsf@gnu.org>
References: <56B22F15.8050207@fripost.org> <56B24481.40009@fripost.org>
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To: Albin <albin@fripost.org>
Cc: 22548@debbugs.gnu.org

Albin <albin@fripost.org> skribis:

> With no other changes I just ran guix pull and guix system reconfigure
> on my MacBook2,1 which created an unbootable system.
>
> After having completed the reconfiguration I tried to halt and reboot
> the system but got this error message each time :
>
>> error: connect: /var/run/shepherd/socket: file or directory does not exi=
st
>
> I did a hard shutdown and rebooted.

Apologies, that=E2=80=99s the aftermath of the dmd =E2=86=92 shepherd trans=
ition.

The solution was to run /run/booted-system/profile/sbin/reboot, which
would have been able to the running dmd (whereas after reconfiguration,
=E2=80=98reboot=E2=80=99 was the new Shepherd client, which cannot talk to =
the old dmd.)

> Here is a picture of the kernel panic screen:
> https://lut.im/h3kmF9hN8D/pnbWoVVQWj7QYPkr.jpg
>
> This is my system configuration:
> http://paste.lisp.org/display/306452
>
> The OS was quite bootable after my last reconfiguration on January 26.

I don=E2=80=99t see anything immediately obvious.  I tried your config in =
=E2=80=98guix
system vm=E2=80=99 and it works fine, so perhaps the problem has to do with
device mapping or similar.

How did you set up the encrypted root partition?  Did you use =E2=80=98guix
system reconfigure --no-grub=E2=80=99 and a hand-made grub.cfg?

Thanks,
Ludo=E2=80=99.