From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from localhost (localhost [127.0.0.1]) by arlo.cworth.org (Postfix) with ESMTP id 719206DE021E for ; Tue, 12 Jan 2016 06:23:50 -0800 (PST) X-Virus-Scanned: Debian amavisd-new at cworth.org X-Spam-Flag: NO X-Spam-Score: -0.719 X-Spam-Level: X-Spam-Status: No, score=-0.719 tagged_above=-999 required=5 tests=[AWL=0.101, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=disabled Received: from arlo.cworth.org ([127.0.0.1]) by localhost (arlo.cworth.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id m7ZEpyqAL5OD for ; Tue, 12 Jan 2016 06:23:48 -0800 (PST) Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) by arlo.cworth.org (Postfix) with ESMTPS id 374E96DE00DD for ; Tue, 12 Jan 2016 06:23:48 -0800 (PST) Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailout.nyi.internal (Postfix) with ESMTP id 6050F20DA4 for ; Tue, 12 Jan 2016 09:23:47 -0500 (EST) Received: from frontend1 ([10.202.2.160]) by compute2.internal (MEProxy); Tue, 12 Jan 2016 09:23:47 -0500 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=fastmail.net; h= content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to:x-sasl-enc:x-sasl-enc; s=mesmtp; bh=/FNA3 O6BCdyPdby9PXqMK1VYZI0=; b=UiWhkOMKsBEJaoMjt6SaLVifykQ5PxP/5FQrS O7f2/492fE73bAZAA9cY/5d4jMsSDQ0YzBsL7kirZTNREYWn9+ttxrnlYU/N229j BwbxPRwJZ24E6y37mcTu4GtXAJLFin+yl80AeZSmew462WhsMx2hQqehLrsPCoYj yn4wxg= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=smtpout; bh=/FNA3O6BCdyPdby9PXqMK1VYZI0=; b=s3ocO qOt2VZD1caLU88Zcja4gqSKA7ktVBCn7IoWEwvF7WKUQZg/Qp6+A9mtyOy4SolZz xHlDoMvVDVs/5jpglksJlvNj9Fb/cbgEmVYGDXyUju/TL80MusPwR5+q0TrKwgaz 7f5n98eH7EIuF29ZJHzRm9k5BGDIhij0TAOZos= X-Sasl-enc: x5ea6NiMERowxxEpzdIrJClcjDmDBZ/gXuO0jJTdmkbW 1452608626 Received: from Konrad-Hinsens-MacBook-Pro-2.local (soleil-ext.synchrotron-soleil.fr [195.221.0.206]) by mail.messagingengine.com (Postfix) with ESMTPA id A75D3C016D5; Tue, 12 Jan 2016 09:23:46 -0500 (EST) From: Konrad Hinsen To: notmuch@notmuchmail.org Subject: Re: Crash with Python bindings In-Reply-To: <20160112102329.4269.20741@thinkbox.jade-hamburg.de> References: <5694CA65.8010400@fastmail.net> <20160112102329.4269.20741@thinkbox.jade-hamburg.de> User-Agent: Notmuch/0.21 (http://notmuchmail.org) Emacs/24.5.1 (x86_64-apple-darwin13.4.0) Date: Tue, 12 Jan 2016 15:23:46 +0100 Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: notmuch@notmuchmail.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Use and development of the notmuch mail system." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2016 14:23:50 -0000 Hi Justus, > So I guess what happens is that Python3 changed how the interpreter > environment is torn down and they actually destroy the 'q' object. If > that is so, then your data is indeed safe. That reminds me of a recent change in object finalization in Python 3: https://www.python.org/dev/peps/pep-0442/ I'll look into that, thanks for the gdb exploration! Cheers, Konrad.