From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#9642: closed (Re: bug#9642: move-overlay creates an empty overlay with the evaporate property) Date: Sat, 28 Apr 2012 10:34:21 +0300 Message-ID: <83pqas71j6.fsf@gnu.org> References: <4F95DC44.3050401@cs.ucla.edu> <4E8648C6.5050905@cs.ucla.edu> <878vhicxyk.fsf@thinkpad.tsdh.de> <87ipglm97p.fsf@thinkpad.tsdh.de> <877gx1rpee.fsf@thinkpad.tsdh.de> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: dough.gmane.org 1335598504 22422 80.91.229.3 (28 Apr 2012 07:35:04 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sat, 28 Apr 2012 07:35:04 +0000 (UTC) Cc: eggert@cs.ucla.edu, 9642@debbugs.gnu.org To: Tassilo Horn Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Apr 28 09:35:02 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1SO2BH-00079s-DS for geb-bug-gnu-emacs@m.gmane.org; Sat, 28 Apr 2012 09:34:59 +0200 Original-Received: from localhost ([::1]:58625 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SO2BG-00087h-Jr for geb-bug-gnu-emacs@m.gmane.org; Sat, 28 Apr 2012 03:34:58 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:37033) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SO2BD-00087b-Vh for bug-gnu-emacs@gnu.org; Sat, 28 Apr 2012 03:34:57 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SO2BB-0006nw-WE for bug-gnu-emacs@gnu.org; Sat, 28 Apr 2012 03:34:55 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:54999) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SO2BB-0006nb-Sc for bug-gnu-emacs@gnu.org; Sat, 28 Apr 2012 03:34:53 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1SO2CH-0004lp-UQ for bug-gnu-emacs@gnu.org; Sat, 28 Apr 2012 03:36:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 28 Apr 2012 07:36:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 9642 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 9642-submit@debbugs.gnu.org id=B9642.133559853618305 (code B ref 9642); Sat, 28 Apr 2012 07:36:01 +0000 Original-Received: (at 9642) by debbugs.gnu.org; 28 Apr 2012 07:35:36 +0000 Original-Received: from localhost ([127.0.0.1]:56033 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SO2Bs-0004lC-Gi for submit@debbugs.gnu.org; Sat, 28 Apr 2012 03:35:36 -0400 Original-Received: from mtaout21.012.net.il ([80.179.55.169]:37022) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1SO2Br-0004kz-4K for 9642@debbugs.gnu.org; Sat, 28 Apr 2012 03:35:35 -0400 Original-Received: from conversion-daemon.a-mtaout21.012.net.il by a-mtaout21.012.net.il (HyperSendmail v2007.08) id <0M3600I00HUTGS00@a-mtaout21.012.net.il> for 9642@debbugs.gnu.org; Sat, 28 Apr 2012 10:34:15 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([84.229.21.156]) by a-mtaout21.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0M3600IDOID2H210@a-mtaout21.012.net.il>; Sat, 28 Apr 2012 10:34:15 +0300 (IDT) In-reply-to: <877gx1rpee.fsf@thinkpad.tsdh.de> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 140.186.70.43 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: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:59582 Archived-At: > From: Tassilo Horn > Cc: Paul Eggert , Eli Zaretskii , Stefan Monnier > Date: Fri, 27 Apr 2012 20:38:33 +0200 > > Tassilo Horn writes: > > > It happened again, and this time I was able to get a backtrace. But > > it doesn't look overly helpful... > > Attached is another one, which looks more helpful. Please post backtraces inline, it makes browsing them easier. Anyway, if we have bogus markers pointing nowhere, the display engine will certainly barf at some point. Stefan, is it worth my while to find a way to make redisplay resistant to this kind of problems? It will sweep such problems under the carpet. Paul, could you please look at fixing this ASAP? If a simple enough fix is not in sight, maybe we should just revert the change which triggered these problems.