From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.bugs Subject: bug#1295: Segfault with `M-- M-r' when `scroll-margin' > 0 Date: Wed, 05 Nov 2008 08:22:46 +0100 Message-ID: <491149C6.2030008@gmx.at> References: <87fxm9lf7y.fsf@cyd.mit.edu> <490EA561.7@gmx.at> <87abcgbn59.fsf@cyd.mit.edu> <490FFB70.8030302@gmx.at> Reply-To: martin rudalics , 1295@emacsbugs.donarmstrong.com NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1225870233 11740 80.91.229.12 (5 Nov 2008 07:30:33 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 5 Nov 2008 07:30:33 +0000 (UTC) Cc: cyd@stupidchicken.com, tlikonen@iki.fi, 1295@emacsbugs.donarmstrong.com To: rms@gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Nov 05 08:31:34 2008 connect(): Connection refused Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1KxcrV-00084Y-Nv for geb-bug-gnu-emacs@m.gmane.org; Wed, 05 Nov 2008 08:31:33 +0100 Original-Received: from localhost ([127.0.0.1]:37887 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KxcqK-00057X-MJ for geb-bug-gnu-emacs@m.gmane.org; Wed, 05 Nov 2008 02:30:20 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KxcqH-00057C-7f for bug-gnu-emacs@gnu.org; Wed, 05 Nov 2008 02:30:17 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KxcqE-00056u-Km for bug-gnu-emacs@gnu.org; Wed, 05 Nov 2008 02:30:15 -0500 Original-Received: from [199.232.76.173] (port=52476 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KxcqE-00056r-BJ for bug-gnu-emacs@gnu.org; Wed, 05 Nov 2008 02:30:14 -0500 Original-Received: from mx20.gnu.org ([199.232.41.8]:27333) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1KxcqD-0005VE-BI for bug-gnu-emacs@gnu.org; Wed, 05 Nov 2008 02:30:13 -0500 Original-Received: from rzlab.ucr.edu ([138.23.92.77]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1KxcqC-0005Xl-AW for bug-gnu-emacs@gnu.org; Wed, 05 Nov 2008 02:30:12 -0500 Original-Received: from rzlab.ucr.edu (rzlab.ucr.edu [127.0.0.1]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id mA57U5aJ030444; Tue, 4 Nov 2008 23:30:05 -0800 Original-Received: (from debbugs@localhost) by rzlab.ucr.edu (8.13.8/8.13.8/Submit) id mA57U3xN030290; Tue, 4 Nov 2008 23:30:03 -0800 X-Loop: don@donarmstrong.com Resent-From: martin rudalics Resent-To: bug-submit-list@donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Wed, 05 Nov 2008 07:30:03 +0000 Resent-Message-ID: Resent-Sender: don@donarmstrong.com X-Emacs-PR-Message: report 1295 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Original-Received: via spool by 1295-submit@emacsbugs.donarmstrong.com id=B1295.122586985429046 (code B ref 1295); Wed, 05 Nov 2008 07:30:03 +0000 Original-Received: (at 1295) by emacsbugs.donarmstrong.com; 5 Nov 2008 07:24:14 +0000 Original-Received: from mail.gmx.net (mail.gmx.net [213.165.64.20]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with SMTP id mA57O9Yh029040 for <1295@emacsbugs.donarmstrong.com>; Tue, 4 Nov 2008 23:24:11 -0800 Original-Received: (qmail invoked by alias); 05 Nov 2008 07:24:04 -0000 Original-Received: from 62-47-47-0.adsl.highway.telekom.at (EHLO [62.47.47.0]) [62.47.47.0] by mail.gmx.net (mp002) with SMTP; 05 Nov 2008 08:24:04 +0100 X-Authenticated: #14592706 X-Provags-ID: V01U2FsdGVkX19ormwGAzhoLoIDyNnuu9ZfLhutoq70p4dHwSOZ0E gp8vmHQWva8DGX User-Agent: Thunderbird 2.0.0.16 (Windows/20080708) In-Reply-To: X-Y-GMX-Trusted: 0 X-FuHaFi: 0.59 X-detected-kernel: by mx20.gnu.org: Linux 2.6 (newer, 3) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) Resent-Date: Wed, 05 Nov 2008 02:30:15 -0500 X-BeenThere: bug-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:22172 Archived-At: > If we think that a bug in Lisp code causes a crash, > we should think about whether there's a bug in the C code > which it is triggering. It's a bug in C. With the OP's recipe I get: Program received signal SIGSEGV, Segmentation fault. 0x01028412 in try_window_reusing_current_matrix (w=0x3784600) at xdisp.c:14471 (gdb) bt #0 0x01028412 in try_window_reusing_current_matrix (w=0x3784600) at xdisp.c:14471 #1 0x0102c328 in redisplay_window (window=58213892, just_this_one_p=1) at xdisp.c:13764 #2 0x0102dd61 in redisplay_window_1 (window=58213892) at xdisp.c:12249 #3 0x01009d1b in internal_condition_case_1 (bfun=0x102dd34 , arg=58213892, handlers=43976013, hfun=0x101d96a ) at eval.c:1559 #4 0x0102f775 in redisplay_internal (preserve_echo_area=2732) at xdisp.c:11867 #5 0x0105946f in read_char (commandflag=1, nmaps=2, maps=0x82fb20, prev_event=43993089, used_mouse_menu=0x82fb68, end_time=0x0) at keyboard.c:2649 #6 0x0105c47d in read_key_sequence (keybuf=0x82fcb0, bufsize=30, prompt=43993089, dont_downcase_last=0, can_return_switch_frame=1, fix_current_buffer=1) at keyboard.c:9344 #7 0x0105e342 in command_loop_1 () at keyboard.c:1621 #8 0x01009fae in internal_condition_case (bfun=0x105e190 , handlers=44056841, hfun=0x105773c ) at eval.c:1511 #9 0x01051cca in command_loop_2 () at keyboard.c:1338 #10 0x01009ee3 in internal_catch (tag=2732, func=0x1051ca7 , arg=43993089) at eval.c:1247 #11 0x01051ad7 in command_loop () at keyboard.c:1317 #12 0x01051b70 in recursive_edit_1 () at keyboard.c:942 #13 0x01051c91 in Frecursive_edit () at keyboard.c:1004 #14 0x01002e46 in main (argc=2, argv=0xa327e0) at emacs.c:1777 (gdb) martin