Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1duKKB-00048i-Sy for pgsql-admin@arkaria.postgresql.org; Tue, 19 Sep 2017 15:20:35 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.84_2) (envelope-from ) id 1duKKA-0008WT-Jv for pgsql-admin@arkaria.postgresql.org; Tue, 19 Sep 2017 15:20:34 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1duKIL-0005EQ-PC for pgsql-admin@postgresql.org; Tue, 19 Sep 2017 15:18:41 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1duKII-0000dx-5g for pgsql-admin@postgresql.org; Tue, 19 Sep 2017 15:18:41 +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 v8JFIXBr006103; Tue, 19 Sep 2017 11:18:33 -0400 From: Tom Lane To: Scott Whitney cc: "Saeed Ahmed (DB)" , "pgsql-admin@postgresql.org" , Peter Eisentraut Subject: Re: Re: WARNING: terminating connection because of crash of another server process In-reply-to: References: Comments: In-reply-to Scott Whitney message dated "Tue, 19 Sep 2017 14:51:17 -0000" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <6101.1505834313.1@sss.pgh.pa.us> Content-Transfer-Encoding: quoted-printable Date: Tue, 19 Sep 2017 11:18:33 -0400 Message-ID: <6102.1505834313@sss.pgh.pa.us> List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-admin Precedence: bulk Sender: pgsql-admin-owner@postgresql.org Scott Whitney writes: > It looks like maybe your semaphores are getting deleted out from under PG= as a guess. Yeah. See https://www.postgresql.org/docs/devel/static/kernel-resources.html#systemd-= removeipc (Probably we should back-patch that section into older versions of the docs, as it's not at all PG-version-specific.) regards, tom lane --=20 Sent via pgsql-admin mailing list (pgsql-admin@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin