Received: from localhost (unknown [200.46.204.183]) by developer.postgresql.org (Postfix) with ESMTP id 10D142E007E for ; Wed, 23 Apr 2008 11:55:24 -0300 (ADT) Received: from developer.postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 61179-05 for ; Wed, 23 Apr 2008 11:55:17 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from lists.commandprompt.com (host-159.commandprompt.net [207.173.203.159]) by developer.postgresql.org (Postfix) with ESMTP id EDC372E0074 for ; Wed, 23 Apr 2008 11:55:14 -0300 (ADT) Received: from perhan.alvh.no-ip.org (200-126-123-196.bk8-dsl.surnet.cl [200.126.123.196]) (authenticated bits=0) by lists.commandprompt.com (8.13.8/8.13.8) with ESMTP id m3NEtqgg004471 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 23 Apr 2008 07:55:54 -0700 Received: by perhan.alvh.no-ip.org (Postfix, from userid 1000) id 5ECB547C59; Wed, 23 Apr 2008 10:55:10 -0400 (CLT) Date: Wed, 23 Apr 2008 10:55:10 -0400 From: Alvaro Herrera To: alexander lunyov Cc: pgsql-interfaces@postgresql.org Subject: Re: Exceeded maximum lock level Message-ID: <20080423145510.GA6572@alvh.no-ip.org> References: <480F46B4.5080102@zato.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <480F46B4.5080102@zato.ru> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0 (lists.commandprompt.com [207.173.203.159]); Wed, 23 Apr 2008 07:55:54 -0700 (PDT) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200804/9 X-Sequence-Number: 6720 alexander lunyov wrote: > Hello. > > Freebsd 6.2, Postgresql 8.3 from ports. > > I'm trying to add some features to threaded application, like sql logs. > I've changed application according to examples of libpq usage (simple > things - connect, inserts, disconnect), everything works for a little > time (under 1 minute), then i get error: > > Fatal error 'Exceeded maximum lock level' at line 519 in file > /usr/src/lib/libpthread/thread/thr_mutex.c (errno = 844913743) This is clearly not a PG problem -- I'd think there's a bug in your own code. -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support