From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Drew Adams" Newsgroups: gmane.emacs.bugs Subject: bug#7728: 24.0.50; GDB backtrace from abort Date: Wed, 12 Jan 2011 23:07:39 -0800 Message-ID: <26B139ADC64E4827BE54938B3CF26872@us.oracle.com> References: <30041A5C411E45A7B7AF7A9ECA3AA0BE@us.oracle.com><83y67echvm.fsf@gnu.org> <837heopknq.fsf@gnu.org> <4D2D5E29.3010502@gmx.at> 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 1294903479 1763 80.91.229.12 (13 Jan 2011 07:24:39 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 13 Jan 2011 07:24:39 +0000 (UTC) Cc: 7728@debbugs.gnu.org To: "'Stefan Monnier'" , "'Eli Zaretskii'" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Jan 13 08:24:33 2011 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 1PdHXt-0004U5-Bq for geb-bug-gnu-emacs@m.gmane.org; Thu, 13 Jan 2011 08:24:33 +0100 Original-Received: from localhost ([127.0.0.1]:34152 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PdHXr-0000Ct-Gi for geb-bug-gnu-emacs@m.gmane.org; Thu, 13 Jan 2011 02:24:31 -0500 Original-Received: from [140.186.70.92] (port=48904 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PdHXe-0000Br-Kf for bug-gnu-emacs@gnu.org; Thu, 13 Jan 2011 02:24:20 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PdHXd-00005w-Fo for bug-gnu-emacs@gnu.org; Thu, 13 Jan 2011 02:24:18 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:45286) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PdHXd-00005m-EI for bug-gnu-emacs@gnu.org; Thu, 13 Jan 2011 02:24:17 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1PdHB8-00045T-JL; Thu, 13 Jan 2011 02:01:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: "Drew Adams" Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 13 Jan 2011 07:01:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 7728 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 7728-submit@debbugs.gnu.org id=B7728.129490202715665 (code B ref 7728); Thu, 13 Jan 2011 07:01:02 +0000 Original-Received: (at 7728) by debbugs.gnu.org; 13 Jan 2011 07:00:27 +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 1PdHAY-00044c-Jg for submit@debbugs.gnu.org; Thu, 13 Jan 2011 02:00:26 -0500 Original-Received: from rcsinet10.oracle.com ([148.87.113.121]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PdHAW-00044Q-7b for 7728@debbugs.gnu.org; Thu, 13 Jan 2011 02:00:25 -0500 Original-Received: from rcsinet15.oracle.com (rcsinet15.oracle.com [148.87.113.117]) by rcsinet10.oracle.com (Switch-3.4.2/Switch-3.4.2) with ESMTP id p0D77s5o010773 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 13 Jan 2011 07:07:55 GMT Original-Received: from acsmt355.oracle.com (acsmt355.oracle.com [141.146.40.155]) by rcsinet15.oracle.com (Switch-3.4.2/Switch-3.4.1) with ESMTP id p0D77rcq023567; Thu, 13 Jan 2011 07:07:53 GMT Original-Received: from abhmt006.oracle.com by acsmt355.oracle.com with ESMTP id 955853091294902462; Wed, 12 Jan 2011 23:07:42 -0800 Original-Received: from dradamslap1 (/10.159.242.207) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 12 Jan 2011 23:07:41 -0800 X-Mailer: Microsoft Office Outlook 11 In-Reply-To: Thread-Index: AcuyzS/KXqcIvqOqRdWWu1xZKAZmvAAHUnUQ X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5994 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Thu, 13 Jan 2011 02:01:02 -0500 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:43326 Archived-At: > > How could it? For example, Drew's code that causes this > > crash does this: > > (save-window-excursion (select-frame frame) > > (or (eq major-mode 'image-mode) > > image-minor-mode)) FWIW, that is not the part of the code that gets executed when there is a crash. However, the branch of the `if' that is executed when there is a crash also has a similar `save-window-excursion': (save-window-excursion (select-frame frame) (setq empty-buf-p (and (= (point-min) (point-max)) (one-window-p (selected-window))) specbuf-p (and empty-buf-p (special-display-p (buffer-name (window-buffer)))))) > > Are you saying tha this isn't kosher, because the body of > > save-window-excursion is not allowed to select a different frame? > > Admittedly, I think the above code is mistaken. It kind of reminds me > of the infamous (save-excursion (set-buffer) ...), although in worse > since, like Martin, I despise save-window-excursion. And just what code do you suggest for going off to do something on a different frame and returning? AFAIK we do not have a `save-frame-excursion'. I have always considered (and seen) `save-window-excursion' to be the way to do this.