Re: Instability of phycodorus in pg_upgrade tests with JIT

From: Alexander Lakhin <exclusion(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Postgres hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Andres Freund <andres(at)anarazel(dot)de>
Subject: Re: Instability of phycodorus in pg_upgrade tests with JIT
Date: 2025-10-16 19:00:00
Message-ID: 2b280c41-236d-4cd3-a7e3-ea86d5c1e257@gmail.com
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Hello Tom and Michael,

16.10.2025 02:39, Tom Lane wrote:
> Michael Paquier<michael(at)paquier(dot)xyz> writes:
>> I have spotted a couple of buildfarm failures for buildfarm member
>> phycodorus on REL_14_STABLE and REL_13_STABLE:
>> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=phycodurus&dt=2025-10-15%2009%3A12%3A36
> phycodorus seems to be running a remarkably ancient LLVM version.
> I wonder if we should just write these off as "probably an LLVM bug".

I collected all of such failures here:
https://wiki.postgresql.org/wiki/Known_Buildfarm_Test_Failures#check-pg_upgrade_fails_on_LLVM-enabled_animals_due_to_double_free_or_corruption

Masao-san was going to dig into that:
https://www.postgresql.org/message-id/CAHGQGwFcjccSYX+Ap8meEbCccUei-B4tmYsBFu4wMEixKi90fQ@mail.gmail.com

Best regards,
Alexander

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