Re: Random crashes - segmentation fault

Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:

> kjonca(at)fastmail(dot)com (Kamil =?iso-8859-2?Q?Jo=F1ca?=) writes:
>> Michael Paquier <michael(at)paquier(dot)xyz> writes:
>>> Could it be possible to see a backtrace of the crash? There is
>
>> Erm. Only thing I can do is to configure for debug future crashes. Could you
>> tell me what and how to configure to get backtrace?
>
> There's some accumulated wisdom at
>
> https://wiki.postgresql.org/wiki/Generating_a_stack_trace_of_a_PostgreSQL_backend
>
> I'd suggest that before worrying about that, you should install 12.1
> (official release is tomorrow) and see if the crashes go away. There's
> not much info in this report, but it could match any of several
> already-fixed bugs.
>

Today server crashed again.
--8<---------------cut here---------------start------------->8---
2019-12-13 15:41:38 CET DEBUG: starting background worker process "parallel worker for PID 364516"
TRAP: FailedAssertion("!(result->tdrefcount == -1)", File: "/build/postgresql-12-123lrX/postgresql-12-12.1/build/../src/backend/utils/cache/typcache.c", Line: 2621)
--8<---------------cut here---------------end--------------->8---

I have core dump.

KJ

> regards, tom lane
>

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