From: "Ludovic Courtès" <ludo@gnu.org>
To: Mathieu Othacehe <othacehe@gnu.org>
Cc: 55441@debbugs.gnu.org, Maxim Cournoyer <maxim.cournoyer@gmail.com>
Subject: bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections
Date: Wed, 25 May 2022 18:32:05 +0200 [thread overview]
Message-ID: <87bkvlh8u2.fsf@gnu.org> (raw)
In-Reply-To: <87k0aaiqzu.fsf@gnu.org> ("Ludovic Courtès"'s message of "Tue, 24 May 2022 23:02:13 +0200")
Ludovic Courtès <ludo@gnu.org> skribis:
> Notice there’s a single thread: it very much looks like the random
> results one gets when forking a multithreaded process (in this case,
> this one thread is a finalization thread, except it’s running in a
> process that doesn’t actually have the other Guile threads). The
> fork+threads problem is already manifesting, after all.
An update: The ‘with-database’ used by (cuirass scripts evaluate),
creates threads unconditionally and leaves them around when its body has
exited. So there’s currently no way in (cuirass scripts evaluate) to
arrange so that ‘open-inferior’ is called in a single-threaded context
(I tried that in ‘wip-bug-55441’).
Bummer. Looks like we’re left with unpleasant solutions, such as
writing bindings for ‘posix_spawn’ and using that in (guix inferior).
Mathieu, any ideas?
Ludo’.
next prev parent reply other threads:[~2022-05-25 16:33 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <87fslcaznn.fsf@gmail.com>
[not found] ` <87mtfj174l.fsf@gnu.org>
2022-05-16 3:49 ` bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections Maxim Cournoyer
2022-05-16 7:32 ` Mathieu Othacehe
2022-05-16 9:13 ` Ludovic Courtès
2022-05-16 10:32 ` Ludovic Courtès
2022-05-16 12:19 ` Ludovic Courtès
2022-05-16 17:32 ` Maxim Cournoyer
2022-05-17 7:45 ` Ludovic Courtès
2022-05-18 7:44 ` Ludovic Courtès
2022-05-20 18:32 ` Ludovic Courtès
2022-05-24 21:02 ` Ludovic Courtès
2022-05-25 16:32 ` Ludovic Courtès [this message]
2022-05-25 18:21 ` Ludovic Courtès
2022-05-25 23:13 ` Christopher Baines
2022-05-26 9:44 ` Ludovic Courtès
2022-05-26 20:49 ` Josselin Poiret via Bug reports for GNU Guix
2022-05-26 20:50 ` bug#55441: [PATCH] guix: inferior: Make open-bidirectional-pipe use piped-process Josselin Poiret via Bug reports for GNU Guix
2022-05-26 21:02 ` Maxime Devos
2022-05-28 17:15 ` Ludovic Courtès
2022-05-26 20:50 ` bug#55441: [PATCH 1/2] Fix child spawning closing standard fds prematurely Josselin Poiret via Bug reports for GNU Guix
2022-05-26 20:55 ` Maxime Devos
2022-05-26 20:50 ` bug#55441: [PATCH 2/2] Improve thread safety of piped-process Josselin Poiret via Bug reports for GNU Guix
2022-05-26 20:58 ` bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections Maxime Devos
2022-05-28 14:02 ` Josselin Poiret via Bug reports for GNU Guix
2023-01-26 14:39 ` Ludovic Courtès
2022-05-26 12:29 ` Ludovic Courtès
2022-05-16 12:49 ` Maxim Cournoyer
2022-05-17 12:52 ` Ludovic Courtès
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