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From: Thomas Munro <[email protected]>
To: Mark Dilger <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Melanie Plageman <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: Unstable tests for recovery conflict handling
Date: Wed, 11 May 2022 17:28:15 +1200
Message-ID: <CA+hUKGLDA-GuQKRvDF3abHadDrrYZ33N9e4DEOGwKH3JqdYSCQ@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
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On Thu, Apr 28, 2022 at 5:50 AM Mark Dilger
<[email protected]> wrote:
> psql:<stdin>:1: ERROR:  prepared transaction with identifier "xact_012_1" does not exist
> [10:26:16.314](1.215s) not ok 11 - Rollback of PGPROC_MAX_CACHED_SUBXIDS+ prepared transaction on promoted standby
> [10:26:16.314](0.000s)
> [10:26:16.314](0.000s) #   Failed test 'Rollback of PGPROC_MAX_CACHED_SUBXIDS+ prepared transaction on promoted standby'
> [10:26:16.314](0.000s) #   at t/012_subtransactions.pl line 208.
> [10:26:16.314](0.000s) #          got: '3'
> #     expected: '0'

FWIW I see that on my FBSD/clang system when I build with
-fsanitize=undefined -fno-sanitize-recover=all.  It's something to do
with our stack depth detection and tricks being used by -fsanitize,
because there's a stack depth exceeded message in the log.

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