From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Simon Stapleton Newsgroups: gmane.emacs.bugs Subject: bug#15088: 24.3; Hard crash on OSX when editing header files Date: Tue, 13 Aug 2013 20:58:27 +0200 Message-ID: <868509D1-DEA1-479F-BB3F-65C218AED0E1@gmail.com> References: <870CD9DB-455F-4BA4-9B00-CEC4C4B9229E@gmail.com> <3F83BB9B-EA61-4D72-A101-63AE305C3067@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 (Mac OS X Mail 6.5 \(1508\)) Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1376420359 22225 80.91.229.3 (13 Aug 2013 18:59:19 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 13 Aug 2013 18:59:19 +0000 (UTC) Cc: 15088@debbugs.gnu.org To: Jan =?UTF-8?Q?Dj=C3=A4rv?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Aug 13 20:59:20 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1V9JoN-0007Xm-Rh for geb-bug-gnu-emacs@m.gmane.org; Tue, 13 Aug 2013 20:59:20 +0200 Original-Received: from localhost ([::1]:39882 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V9JoN-0005yo-J5 for geb-bug-gnu-emacs@m.gmane.org; Tue, 13 Aug 2013 14:59:19 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38298) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V9JoF-0005yN-Gc for bug-gnu-emacs@gnu.org; Tue, 13 Aug 2013 14:59:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V9Jo7-0001c6-AX for bug-gnu-emacs@gnu.org; Tue, 13 Aug 2013 14:59:11 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:34287) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V9Jo7-0001bt-7O for bug-gnu-emacs@gnu.org; Tue, 13 Aug 2013 14:59:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1V9Jo6-0003tJ-PF for bug-gnu-emacs@gnu.org; Tue, 13 Aug 2013 14:59:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Simon Stapleton Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 13 Aug 2013 18:59:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 15088 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 15088-submit@debbugs.gnu.org id=B15088.137642031914919 (code B ref 15088); Tue, 13 Aug 2013 18:59:02 +0000 Original-Received: (at 15088) by debbugs.gnu.org; 13 Aug 2013 18:58:39 +0000 Original-Received: from localhost ([127.0.0.1]:56836 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V9Jni-0003sZ-Hf for submit@debbugs.gnu.org; Tue, 13 Aug 2013 14:58:38 -0400 Original-Received: from mail-wg0-f43.google.com ([74.125.82.43]:48840) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1V9Jng-0003sL-4e for 15088@debbugs.gnu.org; Tue, 13 Aug 2013 14:58:36 -0400 Original-Received: by mail-wg0-f43.google.com with SMTP id z12so6782582wgg.34 for <15088@debbugs.gnu.org>; Tue, 13 Aug 2013 11:58:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=lA8L7AwWYOxa+KT6vhkcUkiKh2AuTnYpgHm9yFTJcuc=; b=GA2AlDjR9+vag+mUGPALpcJr3PQG9p3ShpwhzbjXYEqeYc3yD7BjMY8Q/CK+GH13/W O8kbXJaufKzDu0PtxASDcdiJHCM6mlyjPVurfIav9f06E+5qB59We90pV2HnJlqhDMfp bZmG+cwmi2mZRisjzQSazHiXkUyibI5PVqlKqMR6h36PP1xqPporues8BqXWLCYSnFxd 3fyymOBu9AjAKNbZA9FsUXauC8a7LfUpKx/UQahJBS0JMIA1nQ+1UXMpqGWKropm0u/0 wvo0tGGQ5nUr4Zd2hBMpDIDC4gGiQL/xFifwsasNk9kz2ZCiN7OnGrKUcPTmhLI7ODZz 5FJw== X-Received: by 10.194.234.100 with SMTP id ud4mr2029767wjc.44.1376420310148; Tue, 13 Aug 2013 11:58:30 -0700 (PDT) Original-Received: from [192.168.1.4] (AGrenoble-552-1-246-74.w92-129.abo.wanadoo.fr. [92.129.77.74]) by mx.google.com with ESMTPSA id o10sm5152616wiz.5.2013.08.13.11.58.28 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 13 Aug 2013 11:58:29 -0700 (PDT) In-Reply-To: <3F83BB9B-EA61-4D72-A101-63AE305C3067@gmail.com> X-Mailer: Apple Mail (2.1508) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:77325 Archived-At: Okay, quick rebuild and I can now get a full backtrace. xbacktrace = still fails, but it's failing because (I assume) it's had its stack = smashed > No symbol "ARRAY_MARK_FLAG" in current context.=20 ARRAY_MARK_FLAG looks a lot like a garbage collection bug being tickled, = double release going on somewhere maybe? The source of the issue is almost certainly to do with pabbrev - = commenting it out in my .emacs makes everything work. Simon On 13 Aug 2013, at 20:06, Simon Stapleton = wrote: > Hi Jan. >=20 > On 13 Aug 2013, at 20:00, Jan Dj=E4rv wrote: >=20 >>> xbacktrace doesn't do anything on my gdb. Go figure. >>=20 >> You have to be in the emacs source src/ directory, and do >> % gdb ../nextstep/Emacs.app/Contents/MacOS/Emacs >>=20 >> or otherwise make gdb read the .gdbinit in the src/ directory. >=20 > Re-downing the source right now, will rebuild and test. >=20 >>> My suspicion is that pabbrev is triggering the issue, but quite how, = I don't know. >>=20 >> How would that be involved if you started with -Q? >=20 > >=20 > With -Q, no crash. Which means it's probably not a core emacs bug, = but rather an elisp issue somewhere that's causing badness, right? >=20 > Any ideas on how I should go about chasing it down? >=20 > Cheers >=20 > Simon