Re: Regression tests failures due to concurrent grants

From: Andres Freund <andres(at)anarazel(dot)de>
To: Jacob Champion <jacob(dot)champion(at)enterprisedb(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org, Jeff Davis <jdavis(at)postgresql(dot)org>, Alexander Lakhin <exclusion(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>, Robert Haas <robertmhaas(at)gmail(dot)com>, Peter Eisentraut <peter(at)eisentraut(dot)org>, Noah Misch <noah(at)leadboat(dot)com>
Subject: Re: Regression tests failures due to concurrent grants
Date: 2026-09-18 17:11:46
Message-ID: gg253txyyg7pkrptnliccadrjedoy4j6wp6b4n4cpqnwsgp2oz@wke7wpmka65l
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Hi,

On 2026-09-18 10:05:21 -0700, Jacob Champion wrote:
> On Fri, Sep 18, 2026 at 9:56 AM Andres Freund <andres(at)anarazel(dot)de> wrote:
> > I don't quite know what could have made it more likely, but I've never
> > encountered it before the last few weeks and since then a few times. Any
> > theories?
>
> I hit this two days ago, also on Windows. Have you seen it pop up on
> other platforms?

I hit it locally, on linux, and in CI (mingw, linux). I don't really see a
reason why this could be OS dependent, other than timing effects?

Greetings,

Andres Freund

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