GNU bug report logs - #55441
Use of 'primitive-fork' in (guix inferior) leads to hangs in 'cuirass evaluate'

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Message #16 received at 55441 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Mathieu Othacehe <othacehe <at> gnu.org>
Cc: 55441 <at> debbugs.gnu.org, guix-sysadmin <at> gnu.org,
 Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Subject: Re: bug#55441: [cuirass] hang in "In progress..."; runs out of
 pgsql connections
Date: Mon, 16 May 2022 12:32:07 +0200

Ludovic Courtès <ludo <at> gnu.org> skribis:

> A plausible scenario is a synchronization issue: ‘cuirass evaluate’ got
> all the data it asked for from ‘guix repl’, but it’s still waiting on
> read(2) even though there’s nothing left.  (There are two child ‘guix
> repl’ processes and both are waiting on read(0, …).)

This reminds me of:

  https://github.com/UMCUGenetics/hpcguix-web/commit/88b07caaf3084f48b181c3f3f84af27dc9b834ec

I’ve added a missing call to ‘close-inferior’.  It’s a good idea, though
I’m not entirely convinced yet it’ll solve the problem:

  https://git.savannah.gnu.org/cgit/guix/guix-cuirass.git/commit/?id=f087aaf685dbc7cc18f0254895f4a4b0dfaba631

Ludo’.

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