Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id AEC1E1337B8C for ; Fri, 14 Jan 2011 19:06:59 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 76472-02 for ; Fri, 14 Jan 2011 23:06:52 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by mail.postgresql.org (Postfix) with ESMTP id CB8B71337B8A for ; Fri, 14 Jan 2011 19:06:51 -0400 (AST) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id p0EN6oQi013590; Fri, 14 Jan 2011 18:06:50 -0500 (EST) To: Fabricio cc: pgsql-admin@postgresql.org Subject: Re: PostgreSQL 9.0.2. This is a Bug? In-reply-to: References: Comments: In-reply-to Fabricio message dated "Fri, 14 Jan 2011 15:53:37 -0700" Date: Fri, 14 Jan 2011 18:06:50 -0500 Message-ID: <13589.1295046410@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.91 tagged_above=-10 required=5 tests=BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201101/97 X-Sequence-Number: 36537 Fabricio writes: > Linux Slackware 13.1gcc 4.5.1 > This .so files works fine in older postgres's versions.Postgres has support for this, but postgres team says do not use it? It's not whether the .so works, it's whether you can overwrite it while it's already open in some process. I think you'll find that that crashes any version of Postgres, or most other programs too. A bit of googling turns up references like these: http://www.mail-archive.com/um-linux@listserv.umd.edu/msg02922.html http://stackoverflow.com/questions/3855004/overwriting-library-file-causes-segmentation-fault regards, tom lane