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bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connect
From: |
Mathieu Othacehe |
Subject: |
bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections |
Date: |
Mon, 16 May 2022 09:32:43 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
Hello Maxim,
Thanks for the report, the root cause here is the evaluation
hanging. The Postgres slots starvation is just a symptom caused by
having many concurrent (stuck) evaluation processes using slots.
I noticed this error: https://ci.guix.gnu.org/eval/320682/log/raw.
The following lines can be caused by having a multi-threaded program:
(cuirass scripts evaluate) because of its par-for-each procedure, call
"primitive-fork" in open-bidirectional-pipe of (guix inferior).
--8<---------------cut here---------------start------------->8---
warning: call to primitive-fork while multiple threads are running;
further behavior unspecified. See "Processes" in the
manual, for more information.
--8<---------------cut here---------------end--------------->8---
Not sure that it could cause the observed hang, Ludo what do you think?
Thanks,
Mathieu
- bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections, Maxim Cournoyer, 2022/05/15
- bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections,
Mathieu Othacehe <=
- bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections, Ludovic Courtès, 2022/05/16
- bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections, Ludovic Courtès, 2022/05/16
- bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections, Ludovic Courtès, 2022/05/16
- bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections, Maxim Cournoyer, 2022/05/16
- bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections, Ludovic Courtès, 2022/05/17
- bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections, Ludovic Courtès, 2022/05/18
- bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections, Ludovic Courtès, 2022/05/20
- bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections, Ludovic Courtès, 2022/05/24
- bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections, Ludovic Courtès, 2022/05/25
- bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections, Ludovic Courtès, 2022/05/25