Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dz7lv-00058H-E1 for pgsql-hackers@arkaria.postgresql.org; Mon, 02 Oct 2017 20:57:03 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.84_2) (envelope-from ) id 1dz7lu-0002wc-EK for pgsql-hackers@arkaria.postgresql.org; Mon, 02 Oct 2017 20:57:02 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1dz7ls-0002wQ-Qp for pgsql-hackers@postgresql.org; Mon, 02 Oct 2017 20:57:00 +0000 Received: from mout.gmx.net ([212.227.17.21]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.84_2) (envelope-from ) id 1dz7ll-0004FL-NE for pgsql-hackers@postgresql.org; Mon, 02 Oct 2017 20:56:59 +0000 Received: from moll ([80.187.99.71]) by mail.gmx.com (mrgmx102 [212.227.17.174]) with ESMTPSA (Nemesis) id 0MTeVY-1dqMMM1aWO-00QSH9 for ; Mon, 02 Oct 2017 22:56:50 +0200 From: Andreas Seltenreich To: pgsql-hackers@postgresql.org Subject: [sqlsmith] stuck spinlock in pg_stat_get_wal_receiver after OOM X-PGP-Key: 4096R/803D1FFF 2015-02-04 Key fingerprint = 4758 81DC 8539 494D 29B4 692D F587 0601 803D 1FFF X-Now-Playing: Substantial Drift - Sekundenschlaf - Krill Minima Date: Mon, 02 Oct 2017 22:56:49 +0200 Message-ID: <87h8vhtgj2.fsf@ansel.ydns.eu> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Provags-ID: V03:K0:YYR3QIWu7Va9v8/rtu5chWetcTAWxea0tZb1pbiqffcyEWQmIHp dX7pfLSLO5sZf6vcQ5eNcdKMtP0nQ3nU0heX8tdWxiIRfupd3OzCV5zo7eroyy0fd9ij2yu TaIDmwpTDqb2ccMcsaLMBiN4FP6lB0LP4Cc2ybVdK+zhqH+8ww6kzmbeUXzv8glpYbaDHP7 gdWk2JkUXEvFjvq8kVR8A== X-UI-Out-Filterresults: notjunk:1;V01:K0:41phPxmYaYo=:+9vjFCmhCz++N9b9l9X93z 3/uMmqXbD1QyiXQRTT2SUl2iOt1m7ATbXbORc9/mcDCAhGdt1tTzbdNsV64dTS/QrmFhmXknH b1FV3UR2rM2EebaZ+DIZnTTYD0XvLOsEDZxocKNvqqEPAo4RnJQbM1tgZdfOv1VPp8HjMgEL+ UXkDqB1kLpYqQEGuJnDx59iPwzG1zB4HWe3VXQd/OnW7YB3vICoNtiglEhw1yU4b2RR33k4Cm hT8xib6MdxuJb3AoK+7+idAKnNKwa6OJuxd57nL4VDAYa4h04pQjVq7lZFpRjgtMW0lnh8IrN El/DaAU1JCYTu2bsvlTXQkJpemDIhcUqxZIEgctZuHf8nRpgshQdrE1YkR24KIVzUJuz3DzCO NMBu4JYz2kUG/QJIC0F1sJ6DLWrbUN/HmlWh8LXATEFsTrD6VAiuh51i+1+sXofyiy+ASOARt 5AzFlBl7PR+FxJJVw8PAyPImQHTF2SkW3SJnj7ULvNjaZD78YAVuXUJ9rsE8REaYZd5Td9X9a OwN8wveznIarca4qBeqBjFAG8Yl8d7uzJHte7f16hpgKM0YEHWrAei7hu92fvAK2xj0dckUr9 Cbq3avonuFGdIRxrU64OT7GjVUTdnTb0pxBa/baQmmH5hK9sxEXN33Rm02U1mH+nimvpWGWre FJnNKp5qPE0m8k3DCGnu4dmquFl0lQVZN9uDZD9C64zIWxyeu4rmv1AhAF7CpPq55LJ04prlc tFuIBZOqvFkDBGspk+UPyQPh1u2smQDGeUy4jUfXAXiJUXhXxbyerLIdOs4hrj7JGuiSpkJgs Hn5BscVj2MQRPbLC2MMk7LVUBpbINVAYHXWyNFldHoIV+urYVk= List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-hackers Precedence: bulk Sender: pgsql-hackers-owner@postgresql.org Hi, low-memory testing with REL_10_STABLE at 1f19550a87 produced the following PANIC: stuck spinlock detected at pg_stat_get_wal_receiver, walreceiver.c:1397 I was about to wrap the pstrdup()s with a PG_TRY block, but I can't find a spinlock being released in a PG_CATCH block anywhere, so maybe that's a bad idea? regards, Andreas -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers