From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Pedro Silva Newsgroups: gmane.emacs.bugs Subject: bug#25160: 26.0.50; SIGSEGV when reading undo-tree file Date: Mon, 12 Dec 2016 09:06:56 +0100 Message-ID: <87y3zlefkv.fsf@pedrosilva.pt> References: <87fulveof8.fsf@pedrosilva.pt> <834m2bftfe.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1481530384 4968 195.159.176.226 (12 Dec 2016 08:13:04 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 12 Dec 2016 08:13:04 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) Cc: 25160@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Dec 12 09:12:59 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cGLjF-0000Ju-OW for geb-bug-gnu-emacs@m.gmane.org; Mon, 12 Dec 2016 09:12:57 +0100 Original-Received: from localhost ([::1]:51000 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cGLjJ-0001AE-SH for geb-bug-gnu-emacs@m.gmane.org; Mon, 12 Dec 2016 03:13:01 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47171) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cGLed-00064z-IO for bug-gnu-emacs@gnu.org; Mon, 12 Dec 2016 03:08:23 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cGLeV-0006fQ-0a for bug-gnu-emacs@gnu.org; Mon, 12 Dec 2016 03:08:11 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:51564) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cGLeU-0006ej-U4 for bug-gnu-emacs@gnu.org; Mon, 12 Dec 2016 03:08:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1cGLeU-0004bH-GV for bug-gnu-emacs@gnu.org; Mon, 12 Dec 2016 03:08:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Pedro Silva Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 12 Dec 2016 08:08:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 25160 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 25160-submit@debbugs.gnu.org id=B25160.148153002517614 (code B ref 25160); Mon, 12 Dec 2016 08:08:02 +0000 Original-Received: (at 25160) by debbugs.gnu.org; 12 Dec 2016 08:07:05 +0000 Original-Received: from localhost ([127.0.0.1]:38730 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cGLdZ-0004a0-91 for submit@debbugs.gnu.org; Mon, 12 Dec 2016 03:07:05 -0500 Original-Received: from mail-wm0-f50.google.com ([74.125.82.50]:37000) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cGLdX-0004ZW-NF for 25160@debbugs.gnu.org; Mon, 12 Dec 2016 03:07:04 -0500 Original-Received: by mail-wm0-f50.google.com with SMTP id t79so54483062wmt.0 for <25160@debbugs.gnu.org>; Mon, 12 Dec 2016 00:07:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pedrosilva.pt; s=google; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=ojsTMUulhLKRqvBL+iKn8gjphlgfA+aj8KVM7m0w82w=; b=RclYZX/RHThHkd8UzGN2FCSUha96DCjtWLa3PsQyu18MTw4EpIQoGBLdpUa7hWXQTS 8iXzi3hK8NXnAV60Wm68vmljN3s1mbt7U8rlv3AFi6OGft2COGwTyECbKJdZoVrIurgW HJfqpoI0oNur4L8Ou4uezEWf36PJxjG6s7SD0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=ojsTMUulhLKRqvBL+iKn8gjphlgfA+aj8KVM7m0w82w=; b=SPlqYllQ1sd5TSP23T503oOW8XActlu6aS4HCPIqvqnxU5JNlGwxqO68SO8tXhG7Fk hH+P5jLp1ncKFT6fJuFRz/8LfkWgHSd2HopYJ3pKDq8M+Kd+/zNQiu7NvjYDSlBy0g9j LwIgibVXEZTXW/z2rRjsVluv309wgoppyqcb6Tm4OhrdLNgurBR+zQ+sWxprG/h2Gk47 lNAsa5voVUhVhQ/bW1plVoFfg9h7nANcbutzmX1xqXMtcVAmXET/Dy9Mq51ZL9SxaQq8 TFpDFQZhQT974iQBsik02exrID4RL/YJ1ixZ1kzOj6TmE+kmYaN6msCS71V4xj/Q2HIa /bRA== X-Gm-Message-State: AKaTC0269+CNcpsePgPMfacDJPjcOjom93oUQv4kBLtD5Xxfp+i2L3C6wNLk/lqBeIutQA== X-Received: by 10.28.132.201 with SMTP id g192mr17208833wmd.134.1481530017889; Mon, 12 Dec 2016 00:06:57 -0800 (PST) Original-Received: from latitude-e7240 (proxy-gw-l.booking.com. [5.57.20.8]) by smtp.gmail.com with ESMTPSA id w7sm34096359wmd.24.2016.12.12.00.06.57 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 12 Dec 2016 00:06:57 -0800 (PST) In-Reply-To: <834m2bftfe.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 10 Dec 2016 21:57:57 +0200") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:126905 Archived-At: Eli Zaretskii writes: > If it's relatively new on master, can you bisect? OK, so I spent yesterday learning more about git-bisect and doing multiple emacs builds from git that I ever expected to, and I'm not sure I got somewhere. git-bisect tells me that this commit commit 07efb140348b4a4015c69ed102a5fa216978506f Author: Tom Tromey Date: Tue Aug 27 12:54:38 2013 -0600 remove binding_symbol is the culprit. However, after inspecting it, I confess I am not sure how. Most likely, I tagged something as bad or good where I shouldn't have. As the bisecting got me further away from HEAD and into a fairly deep branch, building cleanly got more and more difficult, and I couldn't actually replicate the crash anymore. I will try to replicate this more thoroughly next weekend. I'll need to come up with a robust way to build so that I can actually automate the bisecting with `run'. -- Pedro