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Re: herd stop hangs

From: Ludovic Courtès
Subject: Re: herd stop hangs
Date: Mon, 17 Apr 2023 15:41:38 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux)


Vlad Kozin <> skribis:

>> (I guess the second command is ‘sudo herd stop my-service’.)  If you
>> interrupt the ‘herd’ command, does ‘sudo herd status’ and similar
>> commands still respond?
> ‘sudo herd stop myservice’ exactly. Sorry about that.
> Herd continues to function. Appears that somehow SIGTERM has no effect
> or it never gets sent or it is in fact delivered and acted upon but
> shepherd fails to notice, so /var/log/messages shows subsequent
> SIGKILL. Whichever it is, herd status will show the service has been
> stopped. That’s one issue.

Could you send the relevant /var/log/messages excerpt?

How frequent is it?  If you have a recipe to reproduce the issue, I’m
most interested!

> Another is that the console where ‘sudo herd stop’ was typed required
> a CTRL C to get the prompt.


> Could it be some weird sequence of what appears in the :running slot or smth? 
> I’m using standard process constructors destructors mimicking other services

If this is a service that’s not in Guix proper, could you share the
code?  That way we’ll have everything we need to investigate.


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