From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#65622: Inappropriate suppression of backtrace on an error Date: Wed, 20 Sep 2023 15:55:37 +0000 Message-ID: References: <87h6ogktnp.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="24600"; mail-complaints-to="usenet@ciao.gmane.io" Cc: acm@muc.de, 65622-done@debbugs.gnu.org To: Michael Heerdegen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Sep 20 17:56:12 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qizYh-000676-CO for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 20 Sep 2023 17:56:11 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qizYQ-0007Vs-1j; Wed, 20 Sep 2023 11:55:54 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qizYP-0007VV-E3 for bug-gnu-emacs@gnu.org; Wed, 20 Sep 2023 11:55:53 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qizYP-0000op-4j for bug-gnu-emacs@gnu.org; Wed, 20 Sep 2023 11:55:53 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1qizYY-0000QH-Eb for bug-gnu-emacs@gnu.org; Wed, 20 Sep 2023 11:56:02 -0400 Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-To: bug-gnu-emacs@gnu.org Resent-Date: Wed, 20 Sep 2023 15:56:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 65622 X-GNU-PR-Package: emacs Mail-Followup-To: 65622@debbugs.gnu.org, acm@muc.de, acm@muc.de Original-Received: via spool by 65622-done@debbugs.gnu.org id=D65622.16952253581610 (code D ref 65622); Wed, 20 Sep 2023 15:56:02 +0000 Original-Received: (at 65622-done) by debbugs.gnu.org; 20 Sep 2023 15:55:58 +0000 Original-Received: from localhost ([127.0.0.1]:60195 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qizYU-0000Pu-91 for submit@debbugs.gnu.org; Wed, 20 Sep 2023 11:55:58 -0400 Original-Received: from mail.muc.de ([193.149.48.3]:26247) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qizYR-0000Pf-Cx for 65622-done@debbugs.gnu.org; Wed, 20 Sep 2023 11:55:56 -0400 Original-Received: (qmail 96190 invoked by uid 3782); 20 Sep 2023 17:55:39 +0200 Original-Received: from acm.muc.de (p4fe154f9.dip0.t-ipconnect.de [79.225.84.249]) (using STARTTLS) by colin.muc.de (tmda-ofmipd) with ESMTP; Wed, 20 Sep 2023 17:55:38 +0200 Original-Received: (qmail 18063 invoked by uid 1000); 20 Sep 2023 15:55:37 -0000 Content-Disposition: inline In-Reply-To: <87h6ogktnp.fsf@web.de> X-Submission-Agent: TMDA/1.3.x (Ph3nix) X-Primary-Address: acm@muc.de X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:270932 Archived-At: Hello, Michael. The bug is now fixed. On Thu, Aug 31, 2023 at 01:16:42 +0200, Michael Heerdegen wrote: > Alan Mackenzie writes: > > Hello, Emacs. > > (v) Set debug-on-error to t with M-: (setq debug-on-error t). > > (vi) Repeat (iv). This throws the same error, without a backtrace. This > > lack of a backtrace is a bug. > I think you just need (setq eval-expression-debug-on-error t). > Stumbled over the same issue ... yesterday?, or so. Also when debugging > Edebug. > Maybe people would like debug-on-error -> t taking precedence over > eval-expression-debug-on-error -> nil? The danger is they turn both off > by default and then forget about the second one. > Michael. -- Alan Mackenzie (Nuremberg, Germany).