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bug#57844: Shepherd fails to start in user session ~50% of the time
From: |
Tom Willemse |
Subject: |
bug#57844: Shepherd fails to start in user session ~50% of the time |
Date: |
Sat, 29 Oct 2022 23:22:42 -0700 |
Hey!
Thanks for getting back to me on this! :)
Andrew Tropin <andrew@trop.in> writes:
> On 2022-10-19 18:21, Ludovic Courtès wrote:
>
>>> It looks like it starts twice and then exits both, but I'm not sure why.
>>> I'm guessing it's the ~/.guix-home/activate and
>>> ~/.guix-home/on-first-login that are trying to start it.
>
> ~/.guix-home/activate should be launched only by guix home reconfigure,
> so it shouldn't be touched during startup of the session at all, also
> they both have a condition, which must prevent the start of shepherd if
> socket exists.
Yeah I know that they both have a check for the pid file, I remember
finding your bug report and patch earlier and hoping that it would fix
my issues, although now I understand that this would never have helped.
I thought that they might still both try to start shepherd, since
neither check nor execution of shepherd is atomic, so I figured they
might end up both starting shepherd, one creating the pid and starting,
the other failing to create it and crashing, but I couldn't think of why
the first one would stop as well then. Anyway, I guess that is
completely wrong if they don't actually ever get run at the same time :)
> https://git.savannah.gnu.org/cgit/guix.git/tree/gnu/home/services/shepherd.scm?h=883fb8f41b08a8455f16c736a83fb1ae8a3df0a1#n105
> https://git.savannah.gnu.org/cgit/guix.git/tree/gnu/home/services/shepherd.scm?h=883fb8f41b08a8455f16c736a83fb1ae8a3df0a1#n131
>
> Tom, can you show your startup scripts, please (like xsession or
> whatever you use for starting graphical environment)? Sharing home
> environment config can be useful as well. Do you use some display/login
> manager?
My ~/.xinitrc is literally just:
exec
/gnu/store/rl6f55i52lldzmbgg6z0ywr41ni4kbjg-herbstluftwm-0.9.4/bin/herbstluftwm
--autostart /gnu/store/lqif0y90y7ipvf9aakdjisygnffk4999-autostart
I use the lightdm display manager installed with the Archlinux package
manager.
My home configuration on my laptop should be based on this:
https://git.sr.ht/~ryuslash/dotfiles/tree/7771b3e1fd16a30bee09b11ecbaf2b1b69b3921b/item/oni/home/data/config.scm
It's spread across a few files, so if there's anything specific you want
to know please tell me, or if you need it in a different format I can
provide that too, I figured this would be the easiest way.
Thanks for your help!
Cheers,
Tom