Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1iICcN-0008Ki-Dl for pgsql-bugs@arkaria.postgresql.org; Wed, 09 Oct 2019 14:07:07 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1iICcL-0003V4-WC for pgsql-bugs@arkaria.postgresql.org; Wed, 09 Oct 2019 14:07:06 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1iICcL-0003Ur-KL for pgsql-bugs@lists.postgresql.org; Wed, 09 Oct 2019 14:07:05 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1iICcJ-0005FG-Ck for pgsql-bugs@lists.postgresql.org; Wed, 09 Oct 2019 14:07:04 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.4/8.14.4) with ESMTP id x99E71QH020544; Wed, 9 Oct 2019 10:07:01 -0400 From: Tom Lane To: Tomas Vondra cc: buschmann@nidsa.net, pgsql-bugs@lists.postgresql.org Subject: Re: BUG #16045: vacuum_db crash and illegal memory alloc after pg_upgrade from PG11 to PG12 In-reply-to: <20191009135907.km2b5nrzflcz6xey@development> References: <16045-673e8fa6b5ace196@postgresql.org> <20191009132436.uugh4r3be6vw6ex4@development> <20191009135907.km2b5nrzflcz6xey@development> Comments: In-reply-to Tomas Vondra message dated "Wed, 09 Oct 2019 15:59:07 +0200" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <20542.1570630021.1@sss.pgh.pa.us> Date: Wed, 09 Oct 2019 10:07:01 -0400 Message-ID: <20543.1570630021@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk Tomas Vondra writes: > FWIW I can reproduce this - it's enough to do this on the 11 cluster I failed to reproduce any problem from your example, but I was trying in C locale on a Linux machine. What environment are you testing? regards, tom lane