bug#54779: closed (guix home reconfigure throw error after Shepherd updata)

[GNU bug Tracking System]

Your message dated Thu, 21 Apr 2022 00:11:04 +0200
with message-id <874k2nmmmf.fsf@gnu.org>
and subject line Re: bug#54779: guix home reconfigure throw error after 
Shepherd updata
has caused the debbugs.gnu.org bug report #54779,
regarding guix home reconfigure throw error after Shepherd updata
to be marked as done.

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54779: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=54779
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--- Begin Message --- Subject: guix home reconfigure throw error after Shepherd updata Date: Thu, 07 Apr 2022 23:27:31 +0000

Hi,

guix home reconfigure config.scm [1], throw error and freezes even
ctrl-c doesn't help

Uncaught exception in task:
In fibers.scm
  150:0 9 (_)
In ice-9/boot-9.scm
  1747:15 8 (with-exception-handler #<procedure 7c9c7efe1c60> at ic..>
  ...)
In shepherd.scm
  439:9 7 (_)
In ice-9/boot-9.scm
  1747:15 8 (with-exception-handler #<procedure 7f9c7efe1ba0> at ic..>
  ...)
In ice-9/exceptions.scm:
  406:15 5 (_)
In ice-9/boot-9.scm:
  1752:10 4 (with-exception-handler _ _ #:unwind? _ # _)
In shepherd.scm
 502:23 3 (_)
In srfi/srfi-1.scm:
 586:17 2 (map1 (#<<service> 7f9c80e0df30>))
In ice-9/boot-9.scm:
 1685:16 1 (raise-exception _ #:continuable? _)
 1683:16 0 (raise-exception _ #:continuable? _)
ice-9/boot-9.scm:1683:16 In procedure raise-exception:
Zero values returned to single-valued continuation


[1] 

confgi.scm
Description: config.scm

--      
Best regards,
Aleksandr Vityazev

--- End Message ---

> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#54779: guix home reconfigure throw error after Shepherd updata
>
>
>
>
> Date: 
>
> Thu, 21 Apr 2022 00:11:04 +0200
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux)
>
>
>
>
> Hi,
>
> Aleksandr Vityazev <avityazev@posteo.org> skribis:
>
> > guix home reconfigure config.scm [1], throw error and freezes even
> > ctrl-c doesn't help
>
> Indeed, this can be reproduced like so:
>
> --8<---------------cut here---------------start------------->8---
> $ herd load root /gnu/store/1xx98q22c6ijr0p5pjbq3wnxd5yyxlmy-shepherd.conf
> WARNING: Use of `load' in declarative module (#{ g139}#).  Add #:declarative? 
> #f to your define-module invocation.
> Uncaught exception in task:
> In fibers.scm:
>     150:8  9 (_)
> In ice-9/boot-9.scm:
>   1747:15  8 (with-exception-handler #<procedure 7f52c6b31390 at ic…> …)
> In shepherd.scm:
>     432:9  7 (_)
> In ice-9/boot-9.scm:
>   1747:15  6 (with-exception-handler #<procedure 7f52c6b312d0 at ic…> …)
> In ice-9/exceptions.scm:
>    406:15  5 (_)
> In ice-9/boot-9.scm:
>   1752:10  4 (with-exception-handler _ _ #:unwind? _ # _)
> In shepherd.scm:
>    502:23  3 (_)
> In srfi/srfi-1.scm:
>    586:17  2 (map1 (#<<service> 7f52c8f77f30>))
> In ice-9/boot-9.scm:
>   1685:16  1 (raise-exception _ #:continuable? _)
>   1683:16  0 (raise-exception _ #:continuable? _)
> ice-9/boot-9.scm:1683:16: In procedure raise-exception:
> Zero values returned to single-valued continuation
> --8<---------------cut here---------------end--------------->8---
>
> (‘guix home reconfigure’ invokes the same command as above.)
>
> The problem is that ‘start-in-the-background’ returns zero values, as
> indicated above, but shepherd expects user commands to return one value.
>
> So the fix, as you suggest, is to return one value at the end of
> shepherd.conf.
>
> You suggested redirecting stdin, which is also a good idea, but for a
> different reason.  :-)  Anyway I’ve done both.
>
>   dd2ab92d9d home: shepherd: Redirect input port to /dev/null.
>   bc867b2ab0 home: shepherd: "shepherd.conf" returns one value.
>
> Thank you!
>
> Ludo’.
>
>
> --- End Message ---