Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 162A72E01E2 for ; Tue, 11 Dec 2007 12:19:37 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 33299-01-4 for ; Tue, 11 Dec 2007 12:19:33 -0400 (AST) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id 1A4752E2F5C for ; Tue, 11 Dec 2007 12:19:30 -0400 (AST) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.1/8.14.1) with ESMTP id lBBGJRJd016429; Tue, 11 Dec 2007 11:19:28 -0500 (EST) To: Craig James cc: pgsql-performance@postgresql.org Subject: Re: libgcc double-free, backend won't die In-reply-to: <475EB26B.5050702@emolecules.com> References: <7EB0D6C0-48E2-4155-8559-9113D3BD2785@ketema.net> <4728CF7B.7040306@gmail.com> <4728FB3E.3070709@shaw.ca> <472978BE.9@hagander.net> <4729B1E9.2080306@gmail.com> <475E4133.5080009@emolecules.com> <7891.1197385633@sss.pgh.pa.us> <475EA8D1.1060001@emolecules.com> <15262.1197387786@sss.pgh.pa.us> <475EB26B.5050702@emolecules.com> Comments: In-reply-to Craig James message dated "Tue, 11 Dec 2007 07:53:15 -0800" Date: Tue, 11 Dec 2007 11:19:27 -0500 Message-ID: <16428.1197389967@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200712/144 X-Sequence-Number: 27960 Craig James writes: >> Please show that stuff you snipped --- it might have some relevant >> information. The stack trace looks a bit like a threading problem... > Using host libthread_db library "/lib/libthread_db.so.1". That's pretty suspicious, but not quite a smoking gun. Does "info threads" report more than 1 thread? > Reading symbols from /usr/lib/libstdc++.so.6...done. > Loaded symbols for /usr/lib/libstdc++.so.6 Hmm, I wonder whether *this* is the problem, rather than OpenBabel per se. Trying to use C++ inside the PG backend is another minefield of things that don't work. regards, tom lane