From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Kastrup Newsgroups: gmane.emacs.devel,gmane.emacs.pretest.bugs Subject: Re: GNU Emacs crashes with longlines-mode and outline-mode Date: Mon, 24 Sep 2007 08:10:24 +0200 Message-ID: <85y7ewk2zz.fsf@lola.goethe.zz> References: <46F6E479.3070309@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1190614258 26898 80.91.229.12 (24 Sep 2007 06:10:58 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Mon, 24 Sep 2007 06:10:58 +0000 (UTC) Cc: emacs-pretest-bug@gnu.org, r.thiel@uni-jena.de To: Jason Rumney Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Sep 24 08:10:44 2007 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1IZh9Y-0003fj-3g for ged-emacs-devel@m.gmane.org; Mon, 24 Sep 2007 08:10:44 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IZh9U-0007di-V9 for ged-emacs-devel@m.gmane.org; Mon, 24 Sep 2007 02:10:40 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1IZh9S-0007dT-LB for emacs-devel@gnu.org; Mon, 24 Sep 2007 02:10:38 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1IZh9R-0007dF-5p for emacs-devel@gnu.org; Mon, 24 Sep 2007 02:10:38 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IZh9R-0007dC-2y for emacs-devel@gnu.org; Mon, 24 Sep 2007 02:10:37 -0400 Original-Received: from fencepost.gnu.org ([140.186.70.10]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1IZh9Q-0003Ir-S1 for emacs-devel@gnu.org; Mon, 24 Sep 2007 02:10:36 -0400 Original-Received: from monty-python.gnu.org ([199.232.76.173]) by fencepost.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1IZh8n-0007UV-3C for emacs-pretest-bug@gnu.org; Mon, 24 Sep 2007 02:09:57 -0400 Original-Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1IZh9P-0003Ih-GJ for emacs-pretest-bug@gnu.org; Mon, 24 Sep 2007 02:10:36 -0400 Original-Received: from mail-in-06.arcor-online.net ([151.189.21.46]) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1IZh9O-0003IV-QQ; Mon, 24 Sep 2007 02:10:35 -0400 Original-Received: from mail-in-05-z2.arcor-online.net (mail-in-05-z2.arcor-online.net [151.189.8.17]) by mail-in-06.arcor-online.net (Postfix) with ESMTP id 3EBD231F1EE; Mon, 24 Sep 2007 08:10:29 +0200 (CEST) Original-Received: from mail-in-10.arcor-online.net (mail-in-10.arcor-online.net [151.189.21.50]) by mail-in-05-z2.arcor-online.net (Postfix) with ESMTP id 2CB4D2DA969; Mon, 24 Sep 2007 08:10:29 +0200 (CEST) Original-Received: from lola.goethe.zz (dslb-084-061-020-020.pools.arcor-ip.net [84.61.20.20]) by mail-in-10.arcor-online.net (Postfix) with ESMTP id 03C3423D1E4; Mon, 24 Sep 2007 08:10:24 +0200 (CEST) Original-Received: by lola.goethe.zz (Postfix, from userid 1002) id 726711C1F3DC; Mon, 24 Sep 2007 08:10:24 +0200 (CEST) In-Reply-To: <46F6E479.3070309@gnu.org> (Jason Rumney's message of "Sun\, 23 Sep 2007 23\:11\:05 +0100") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1.50 (gnu/linux) X-Virus-Scanned: ClamAV 0.91.2/4376/Mon Sep 24 04:15:24 2007 on mail-in-10.arcor-online.net X-Virus-Status: Clean X-Detected-Kernel: Linux 2.4-2.6 X-Detected-Kernel: Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:79670 gmane.emacs.pretest.bugs:19986 Archived-At: Jason Rumney writes: > To reproduce this, the following is required: > (setq longlines-show-hard-newlines t) > > C-c l after the file above is visited. > >> as expected. When I now press M-x longlines-mode, the crash occurs. >> > > I can reproduce this crash on both Windows XP and GNU/Linux. > > The crash occurs in next_element_from_display_vector in xdisp.c (line > 5961 in my current trunk sandbox), because it->dpvec is NULL and we try > to take its address. There is an xassert at the beginning of the > function that should catch this, but it must be compiled out in my > build. Have you compiled with -fno-thread-jumps? Because otherwise the stack traceback from failed assertions will be nonsense since gcc will reuse the same abort call for every assertion. -- David Kastrup, Kriemhildstr. 15, 44793 Bochum