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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
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Comments: In-reply-to "Heinemann, Manfred (IMS)" <HeinemannM@imsweb.com>
	message dated "Tue, 12 Jun 2018 17:36:16 -0000"
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"Heinemann, Manfred (IMS)" <HeinemannM@imsweb.com> writes:
> We allow some user querying against the database and a user wrote sql th=
at would repeatedly cause a segmentation fault. We can't share the data bu=
t 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