From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
cc: Robert Haas <robertmhaas@gmail.com>, pgsql-hackers@postgresql.org,
        Thomas Munro <thomas.munro@gmail.com>
Subject: Re: failures in t/031_recovery_conflict.pl on CI
In-reply-to: <20220503182025.wvbebs2ojk6vpi5f@alap3.anarazel.de>
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Comments: In-reply-to Andres Freund <andres@anarazel.de>
	message dated "Tue, 03 May 2022 11:20:25 -0700"
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Date: Tue, 03 May 2022 14:23:23 -0400
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Andres Freund <andres@anarazel.de> writes:
> On 2022-05-03 01:16:46 -0400, Tom Lane wrote:
>> Irritatingly, it doesn't reproduce (at least not easily) in a manual
>> build on the same box.

> Odd, given how readily it seem to reproduce on the bf. I assume you buil=
t with
>> Uses -fsanitize=3Dalignment -DWRITE_READ_PARSE_PLAN_TREES -DSTRESS_SORT=
_INT_MIN -DENFORCE_REGRESSION_TEST_NAME_RESTRICTIONS

Yeah, I copied all that stuff ...

>> So it's almost surely a timing issue, and your theory here seems plausi=
ble.

> Unfortunately I don't think my theory holds, because I actually had adde=
d a
> defense against this into the test that I forgot about momentarily...

Oh, hm.  I can try harder to repro it.

			regards, tom lane