From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Chong Yidong Newsgroups: gmane.emacs.bugs Subject: bug#1295: Segfault with `M-- M-r' when `scroll-margin' > 0 Date: Mon, 03 Nov 2008 14:40:34 -0500 Message-ID: <87mygg1tu5.fsf@cyd.mit.edu> References: <87fxm9lf7y.fsf@cyd.mit.edu> <490EA561.7@gmx.at> Reply-To: Chong Yidong , 1295@emacsbugs.donarmstrong.com NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1225741838 15863 80.91.229.12 (3 Nov 2008 19:50:38 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 3 Nov 2008 19:50:38 +0000 (UTC) Cc: 1295@emacsbugs.donarmstrong.com To: martin rudalics Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Nov 03 20:51:41 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 1Kx5Se-0006Dv-Qp for geb-bug-gnu-emacs@m.gmane.org; Mon, 03 Nov 2008 20:51:41 +0100 Original-Received: from localhost ([127.0.0.1]:58230 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Kx5RY-0005c0-1O for geb-bug-gnu-emacs@m.gmane.org; Mon, 03 Nov 2008 14:50:32 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Kx5RK-0005Xs-CT for bug-gnu-emacs@gnu.org; Mon, 03 Nov 2008 14:50:18 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Kx5RI-0005XI-7m for bug-gnu-emacs@gnu.org; Mon, 03 Nov 2008 14:50:17 -0500 Original-Received: from [199.232.76.173] (port=40202 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Kx5RH-0005WT-LN for bug-gnu-emacs@gnu.org; Mon, 03 Nov 2008 14:50:15 -0500 Original-Received: from rzlab.ucr.edu ([138.23.92.77]:53979) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1Kx5RE-0001yN-U9 for bug-gnu-emacs@gnu.org; Mon, 03 Nov 2008 14:50:13 -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 mA3Jo4x4013988; Mon, 3 Nov 2008 11:50:05 -0800 Original-Received: (from debbugs@localhost) by rzlab.ucr.edu (8.13.8/8.13.8/Submit) id mA3Jo4ET013948; Mon, 3 Nov 2008 11:50:04 -0800 X-Loop: don@donarmstrong.com Resent-From: Chong Yidong Resent-To: bug-submit-list@donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Mon, 03 Nov 2008 19:50:03 +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=B1295.122574122912556 (code B ref 1295); Mon, 03 Nov 2008 19:50:03 +0000 Original-Received: (at 1295) by emacsbugs.donarmstrong.com; 3 Nov 2008 19:40:29 +0000 Original-Received: from cyd.mit.edu (CYD.MIT.EDU [18.115.2.24]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id mA3JeQlK012550 for <1295@emacsbugs.donarmstrong.com>; Mon, 3 Nov 2008 11:40:27 -0800 Original-Received: by cyd.mit.edu (Postfix, from userid 1000) id 967C157E1D1; Mon, 3 Nov 2008 14:40:34 -0500 (EST) In-Reply-To: <490EA561.7@gmx.at> (martin rudalics's message of "Mon, 03 Nov 2008 08:16:49 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) Resent-Date: Mon, 03 Nov 2008 14:50:17 -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:22132 Archived-At: martin rudalics writes: > The report was for Emacsen built as > > GNU Emacs 22.2.1 (i486-pc-linux-gnu, GTK+ Version 2.12.11) of > 2008-10-17 on raven, modified by Debian > > and development snapshot version > > GNU Emacs 23.0.60.1 (i486-pc-linux-gnu, GTK+ Version 2.12.11) of > 2008-10-18 on elegiac, modified by Debian > > and I verified here that it crashes with a negative argument for all > versions I keep personally. Sorry, my bad. For some reason, reproducing this bug needs a full bootstrap after reversion. A simple make recompile/make doesn't track the bug accurately, which is why it mistakenly pointed to your checkin. After some more investigation, it looks to me like the bug was introduced between 2008-10-06 (no crash) and 2008-10-07 (crash). Weird---there weren't any redisplay changes made at this time.