Received: from malur.postgresql.org ([217.196.149.56])
	by arkaria.postgresql.org with esmtps
 (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1kECEq-0007qS-Ua
	for pgsql-hackers@arkaria.postgresql.org; Fri, 04 Sep 2020 13:58:48 +0000
Received: from localhost ([127.0.0.1] helo=malur.postgresql.org)
	by malur.postgresql.org with esmtp (Exim 4.92)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1kECEo-0004vM-5x
	for pgsql-hackers@arkaria.postgresql.org; Fri, 04 Sep 2020 13:58:46 +0000
Received: from makus.postgresql.org ([2001:4800:3e1:1::229])
	by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <tgl@sss.pgh.pa.us>)
	id 1kECEn-0004vD-Uh
	for pgsql-hackers@lists.postgresql.org; Fri, 04 Sep 2020 13:58:45 +0000
Received: from sss.pgh.pa.us ([66.207.139.130])
	by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <tgl@sss.pgh.pa.us>)
	id 1kECEh-0003sx-M0
	for pgsql-hackers@lists.postgresql.org; Fri, 04 Sep 2020 13:58:44 +0000
Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1])
	by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 084DwZIc872416;
	Fri, 4 Sep 2020 09:58:36 -0400
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Thomas Munro <thomas.munro@gmail.com>
cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>,
        Alvaro Herrera <alvherre@2ndquadrant.com>
Subject: Re: Rare deadlock failure in create_am test
In-reply-to: 
 <CA+hUKGKajpL-SicmWpJfT4b=_Xo2LChO2qH8reL4kOMa_=Ft5A@mail.gmail.com>
References: <839004.1599185607@sss.pgh.pa.us>
 <CA+hUKGKajpL-SicmWpJfT4b=_Xo2LChO2qH8reL4kOMa_=Ft5A@mail.gmail.com>
Comments: In-reply-to Thomas Munro <thomas.munro@gmail.com>
	message dated "Fri, 04 Sep 2020 22:02:08 +1200"
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-ID: <872414.1599227915.1@sss.pgh.pa.us>
Date: Fri, 04 Sep 2020 09:58:35 -0400
Message-ID: <872415.1599227915@sss.pgh.pa.us>
List-Id: <pgsql-hackers.lists.postgresql.org>
List-Help: <https://lists.postgresql.org/manage/>
List-Subscribe: <https://lists.postgresql.org/manage/>
List-Post: <mailto:pgsql-hackers@lists.postgresql.org>
List-Owner: <mailto:pgsql-hackers-owner@lists.postgresql.org>
List-Archive: <https://www.postgresql.org/list/pgsql-hackers>
Precedence: bulk

Thomas Munro <thomas.munro@gmail.com> writes:
> On Fri, Sep 4, 2020 at 2:13 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> I'm inclined to think that the best fix is to put
>> 
>> begin;
>> lock table tenk2;
>> ...
>> commit;

> Makes sense, except s/tenk2/fast_emp4000/, no?

Sorry, thinko ...

			regards, tom lane