bug#63678: Can't restart/halt system with shepherd 0.9.3 after upgrading

[Christopher Baines <mail@cbaines.net>]

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Ludovic Courtès <ludo@gnu.org> writes:

> Hi,
>
> Christopher Baines <mail@cbaines.net> skribis:
>
>> On a system running shepherd 0.9.3 [1], I've reconfigured, but now can't
>> reboot or halt.
>>
>> root@hamal ~# halt
>> Service root is not running.
>
> Hey, why halt it if it’s not running?
>
> Seriously though, any insight from /var/log/messages?  I upgraded a
> bunch of machines and didn’t hit this particular problem.  Bruno
> reported a similar problem with 0.9.3, but this had nothing to do with
> the upgrade:
>
>   https://issues.guix.gnu.org/62619
>
> Could it be the same problem?  Do you see:
>
>   Assertion (eq? (canonical-name new) (canonical-name old)) failed.
>
> in /var/log/messages?

I don't see that, but I think these are the relevant log messages:

May 24 11:17:02 localhost shepherd[1]: Evaluating user expression (and (defined? (quote transient?)) (map (# ?) ?)).
May 24 11:17:02 localhost shepherd[1]: Evaluating user expression (register-services (primitive-load "/gnu/st?") ?).
May 24 11:17:03 localhost shepherd[1]: Service host-name has been started.
May 24 11:17:03 localhost shepherd[1]: Service user-homes has been started.
May 24 11:17:03 localhost shepherd[1]: [sysctl] fs.protected_hardlinks = 1
May 24 11:17:03 localhost shepherd[1]: [sysctl] fs.protected_symlinks = 1
May 24 11:18:41 localhost shepherd[1]: Exiting shepherd...
May 24 11:18:46 localhost shepherd[1]: Grace period of 5 seconds is over; sending -337 SIGKILL.
May 24 11:23:55 localhost shepherd[1]: Service root is not running.
May 24 11:24:16 localhost last message repeated 2 times
May 24 11:30:49 localhost syslogd (GNU inetutils 2.3): restart
May 24 11:30:49 localhost vmunix: [    0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd083]
May 24 11:30:49 localhost vmunix: [    0.000000] Linux version 6.3.3-arm64-generic (guix@guix) (gcc (GCC) 11.3.0, GNU ld (GNU Binutils) 2.38) #1 SMP PREEMPT 1

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