Re: Potential deadlock in pgaio_io_wait()

From: Alexander Lakhin <exclusion(at)gmail(dot)com>
To: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
Cc: Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Subject: Re: Potential deadlock in pgaio_io_wait()
Date: 2025-10-12 18:00:00
Message-ID: 970b24e8-967e-4012-ad6a-ff7605ebeadd@gmail.com
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Hello Thomas,

10.10.2025 04:44, Thomas Munro wrote:
> I like the second one slightly more, but I'm also happy to be
> outvoted. I'm working on committing the first one, but I ran into a
> couple of CI failures[1] that I haven't understood yet. It could be
> my patch's fault or turn out to be something already in the tree...
> looking into that...
>
> [1]https://cirrus-ci.com/task/4737677834059776

I wonder whether it may be related to the issue we encountered with
OpenBSD?:
https://www.postgresql.org/message-id/flat/db2773a2-aca0-43d0-99c1-060efcd9954e%40gmail.com

(I've found the same hanging "SELECT * FROM writetest;" in my notes from
2024-12...)

Best regards,
Alexander

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