From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#25160: 26.0.50; SIGSEGV when reading undo-tree file Date: Mon, 12 Dec 2016 18:11:03 +0200 Message-ID: <83inqpcelk.fsf@gnu.org> References: <87fulveof8.fsf@pedrosilva.pt> <834m2bftfe.fsf@gnu.org> <87y3zlefkv.fsf@pedrosilva.pt> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1481559156 19609 195.159.176.226 (12 Dec 2016 16:12:36 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 12 Dec 2016 16:12:36 +0000 (UTC) Cc: 25160@debbugs.gnu.org To: Pedro Silva Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Dec 12 17:12:29 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 1cGTDI-0003fZ-Lg for geb-bug-gnu-emacs@m.gmane.org; Mon, 12 Dec 2016 17:12:28 +0100 Original-Received: from localhost ([::1]:57382 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cGTDM-00060G-NA for geb-bug-gnu-emacs@m.gmane.org; Mon, 12 Dec 2016 11:12:32 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:35924) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cGTBx-0005Y7-Ft for bug-gnu-emacs@gnu.org; Mon, 12 Dec 2016 11:11:13 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cGTBu-0002BY-CK for bug-gnu-emacs@gnu.org; Mon, 12 Dec 2016 11:11:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:52251) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cGTBu-0002B7-9e for bug-gnu-emacs@gnu.org; Mon, 12 Dec 2016 11:11:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1cGTBu-0000xu-4u for bug-gnu-emacs@gnu.org; Mon, 12 Dec 2016 11:11:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 12 Dec 2016 16:11:02 +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=B25160.14815590383678 (code B ref 25160); Mon, 12 Dec 2016 16:11:02 +0000 Original-Received: (at 25160) by debbugs.gnu.org; 12 Dec 2016 16:10:38 +0000 Original-Received: from localhost ([127.0.0.1]:39417 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cGTBW-0000xF-Af for submit@debbugs.gnu.org; Mon, 12 Dec 2016 11:10:38 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:44361) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cGTBU-0000x3-Nx for 25160@debbugs.gnu.org; Mon, 12 Dec 2016 11:10:37 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cGTBJ-0001n4-HV for 25160@debbugs.gnu.org; Mon, 12 Dec 2016 11:10:31 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:59171) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cGTBJ-0001my-Ea; Mon, 12 Dec 2016 11:10:25 -0500 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:4669 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cGTBI-0004XI-RR; Mon, 12 Dec 2016 11:10:25 -0500 In-reply-to: <87y3zlefkv.fsf@pedrosilva.pt> (message from Pedro Silva on Mon, 12 Dec 2016 09:06:56 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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:126917 Archived-At: > From: Pedro Silva > Cc: 25160@debbugs.gnu.org > Date: Mon, 12 Dec 2016 09:06:56 +0100 > > 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'. If it's clear that this is caused by the concurrency merge (which you could verify by building a tree before commit 2412a1f), then you don't need to look into the branch that got merged by that commit. Thank you for your efforts.