Re: BUG #19369: Not documented that io_uring on kernel versions between 5.1 and below 5.6 does not work

From: Andres Freund <andres(at)anarazel(dot)de>
To: surya poondla <suryapoondla4(at)gmail(dot)com>
Cc: "Si, Evan" <evsi(at)amazon(dot)com>, "pgsql-bugs(at)lists(dot)postgresql(dot)org" <pgsql-bugs(at)lists(dot)postgresql(dot)org>
Subject: Re: BUG #19369: Not documented that io_uring on kernel versions between 5.1 and below 5.6 does not work
Date: 2026-01-13 19:11:04
Message-ID: g6e5ro4b6mcqmwt4d4slgerjphl6wtbc2rckjpjsii4azhzd4h@uxca35qbbxlz
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Hi,

On 2026-01-13 11:06:20 -0800, surya poondla wrote:
> Hi Evan, Andres,
>
> Here is the patch (attached).

I think we ought to not just document the difference, but also emit a useful
error message at startup...

> I believe this change would also be a good candidate for backpatching to
> previous supported versions.

Yes, once we have something mergeable, it should definitely be added to 18
too.

Greetings,

Andres Freund

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