Re: Assertion failure in base backup code path

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: Antonin Houska <antonin(dot)houska(at)gmail(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>
Cc: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Assertion failure in base backup code path
Date: 2013-12-18 23:03:59
Message-ID: 20131218230359.GH26481@alap2.anarazel.de
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Hi Magnus,

It looks to me like the path to do_pg_start_backup() outside of a
transaction context comes from your initial commit of the base backup
facility.
The problem is that you're not allowed to do anything leading to a
syscache/catcache lookup in those contexts.

Greetings,

Andres Freund

--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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