From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Roland Winkler Newsgroups: gmane.emacs.bugs Subject: bug#6177: 23.2; emacs crashes when reverting a file Date: Wed, 12 May 2010 16:13:10 -0500 Message-ID: <19435.6630.705828.513141@regnitz.physics.niu.edu> References: <87632uvx11.fsf@regnitz.physics.niu.edu> <83ljbpq0pi.fsf@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1273725337 13247 80.91.229.12 (13 May 2010 04:35:37 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 13 May 2010 04:35:37 +0000 (UTC) Cc: 6177@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu May 13 06:35:35 2010 connect(): No such file or directory 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 4.69) (envelope-from ) id 1OCQ90-0006oX-Up for geb-bug-gnu-emacs@m.gmane.org; Thu, 13 May 2010 06:35:35 +0200 Original-Received: from localhost ([127.0.0.1]:37853 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OCPz6-0000dh-9C for geb-bug-gnu-emacs@m.gmane.org; Thu, 13 May 2010 00:25:20 -0400 Original-Received: from [140.186.70.92] (port=39211 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OCP4u-0005EI-Io for bug-gnu-emacs@gnu.org; Wed, 12 May 2010 23:27:19 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OCKNs-0002EK-I5 for bug-gnu-emacs@gnu.org; Wed, 12 May 2010 18:26:34 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:56555) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OCKNs-0002EC-CN for bug-gnu-emacs@gnu.org; Wed, 12 May 2010 18:26:32 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1OCKCl-0000QU-0e; Wed, 12 May 2010 18:15:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Roland Winkler Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 12 May 2010 22:15:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 6177 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 6177-submit@debbugs.gnu.org id=B6177.12737024721616 (code B ref 6177); Wed, 12 May 2010 22:15:02 +0000 Original-Received: (at 6177) by debbugs.gnu.org; 12 May 2010 22:14:32 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OCKCF-0000Q1-No for submit@debbugs.gnu.org; Wed, 12 May 2010 18:14:32 -0400 Original-Received: from tfkpsv.physik.uni-erlangen.de ([131.188.164.197]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OCKCC-0000Pv-M5 for 6177@debbugs.gnu.org; Wed, 12 May 2010 18:14:29 -0400 Original-Received: from regnitz.physics.niu.edu (74.223.218.194.nw.nuvox.net [74.223.218.194]) by tfkpsv.physik.uni-erlangen.de (Postfix) with ESMTP id 2590F239CC; Wed, 12 May 2010 23:13:16 +0200 (CEST) In-Reply-To: <83ljbpq0pi.fsf@gnu.org> X-Mailer: VM 8.2 trial under 23.2.1 (i686-pc-linux-gnu) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Wed, 12 May 2010 18:15:03 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) 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: , 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:36904 Archived-At: On Wed May 12 2010 Eli Zaretskii wrote: > > I've encountered a situation, where reverting a file reproducibly > > crashes emacs. I do not know much about debugging emacs on this level. > > I've reproduced the crash under gdb. > > xbacktrace doesn't give any information. > > Can you show the steps to reproduce this, starting with "emacs -Q"? I got a simpler test case that works with emacs -Q. The point about the code below is that buffer *bar* depends on what happens to file foo.txt visited in its own buffer: reverting buffer *bar* really operates on the buffer visiting foo.txt. The detailed steps to reprdouce this bug are as follows: Create file foo.txt cat > ~/foo.txt <