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From: Tom Lane <tgl@sss.pgh.pa.us>
To: mba.ogolny@gmail.com
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #18334: Segfault when running a query with parallel workers
Date: Mon, 05 Feb 2024 20:51:19 -0500
Message-ID: <316598.1707184279@sss.pgh.pa.us> (raw)
In-Reply-To: <18334-7177be80314f722c@postgresql.org>
References: <18334-7177be80314f722c@postgresql.org>

PG Bug reporting form <noreply@postgresql.org> writes:
> Log messages:

> 2024-02-03 09:16:33.798 EST [3261686-102] app= LOG:  background worker
> "parallel worker" (PID 2387431) was terminated by signal 11: Segmentation
> fault
> 2024-02-03 09:16:33.798 EST [3261686-103] app= DETAIL:  Failed process was
> running: set max_parallel_workers=8; set work_mem='20GB'; 

It's hard to do anything with just the query.  Can you put together a
self-contained test case, including table definitions and some sample
data?  (The data most likely could be dummy generated data.)
It would also be useful to know what non-default settings you are
using.

			regards, tom lane





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