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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Heinemann, Manfred (IMS) <HeinemannM@imsweb.com>
Cc: pgsql-admin@lists.postgresql.org <pgsql-admin@lists.postgresql.org>
Subject: Re: Segmentation fault with parallelism PG 10.4
Date: Tue, 12 Jun 2018 13:45:15 -0400
Message-ID: <1476.1528825515@sss.pgh.pa.us> (raw)
In-Reply-To: <8577044f0d2f4fe3919c53c2f7a642e5@THALASSA.omni.imsweb.com>
References: <8577044f0d2f4fe3919c53c2f7a642e5@THALASSA.omni.imsweb.com>

"Heinemann, Manfred (IMS)" <HeinemannM@imsweb.com> writes:
> We allow some user querying against the database and a user wrote sql that would repeatedly cause a segmentation fault. We can't share the data but I will show what I can.

The info you've provided is not of much help, but if you could show
a stack trace from the point of the segfault, that might narrow
things down.

https://wiki.postgresql.org/wiki/Generating_a_stack_trace_of_a_PostgreSQL_backend

			regards, tom lane




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