How to analyze a core dump

From: S Bob <sbob(at)quadratum-braccas(dot)com>
To: pgsql-admin <pgsql-admin(at)postgresql(dot)org>
Subject: How to analyze a core dump
Date: 2020-11-02 16:41:29
Message-ID: 328ba050-4a99-d4ea-0f65-6b268c0e8b89@quadratum-braccas.com
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All;

I have this message in the /var/log/message log on a server running
PostgreSQL:

ID 603404 kern.notice] NOTICE: core_log: postgres[20995] core dumped:
/var/coredumps/core_smffnsdb3_postgres_1000_1500_1603426561_20995

and this in the postgresql log:

2020-10-23 04:17:40 GMT [5588]:[21-1]    5df751a6.15d4 >LOG: server
process (PID 20995) was terminated by signal 10

How do I determine the root cause?

Thanks in advance

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