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#8789: 23.3; debug backtrace buffer changes window on step-through Date: Thu, 20 Sep 2012 11:08:26 -0700 Message-ID: <91FFA03F2A7341A09E280DD2BCC4A428@us.oracle.com> References: <87haz0po82.fsf@web.de> <4F3BE4CB.3030909@gmx.at> <4F3CB843.6030401@gmx.at> <4F3D41DD.6080603@gmx.at><877gzmqwcf.fsf@web.de> <504B4940.9000809@gmx.at><86wqzznwzv.fsf@web.de> <9BABA419184241F5A7246DC5D9A9EF81@us.oracle.com> <5057A4A3.4010100@gmx.at> <4617F483F2CC446D980DF7194E06BB3A@us.oracle.com> <50581E7F.3040108@gmx.at> <1C1E224E1D674670BEE043B4A35A271F@us.oracle.com> <5059FC9C.8020702@gmx.at> <2D8C133406A54B26AD253EC7EE52C666@us.oracle.com> <505B1F26.20209@gmx.at><87ehlwzklr.fsf@web.de> <505B51AD.2080908@gmx.at> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1348164576 29313 80.91.229.3 (20 Sep 2012 18:09:36 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 20 Sep 2012 18:09:36 +0000 (UTC) Cc: 8789@debbugs.gnu.org To: "'martin rudalics'" , "'Michael Heerdegen'" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Sep 20 20:09:40 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 1TElBy-00033p-Sp for geb-bug-gnu-emacs@m.gmane.org; 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Thu, 20 Sep 2012 18:08:28 GMT Original-Received: from abhmt113.oracle.com (abhmt113.oracle.com [141.146.116.65]) by acsmt356.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id q8KI8ReT024759; Thu, 20 Sep 2012 13:08:27 -0500 Original-Received: from dradamslap1 (/130.35.178.248) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 20 Sep 2012 11:08:27 -0700 X-Mailer: Microsoft Office Outlook 11 In-Reply-To: <505B51AD.2080908@gmx.at> Thread-Index: Ac2XVRVcv+DoQ+x+T1mwbWW5HvNw+AABN8SA X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-Source-IP: ucsinet21.oracle.com [156.151.31.93] 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:64650 Archived-At: > > It's caused by the calculation of the mode-line. Try this: > > (setq-default mode-line-remote nil) > > and the problem is gone. > > So the solution is probably to never enable `debug-on-entry' for > functions that run through the mode-line mechanism. That does not sound like the solution to me. That sounds like giving up on using the debugger. What does "run through the mode-line mechanism" even mean, and how does a user tell whether a given function might "run through..."? And for such functions (whatever that might mean), what workaround do you propose, to get the effect of `debug-on-entry'. This is a regression, and should just be fixed. Users should not have to work around it or jump over it - that is not "the solution". `mode-line-remote' was introduced in Emacs 23. If it is that introduction that introduced this regression then that change needs to be fixed somehow, or reverted.