Received: (at 65622-done) by debbugs.gnu.org; 20 Sep 2023 15:55:58 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 20 11:55:58 2023 Received: from localhost ([127.0.0.1]:60195 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qizYU-0000Pu-91 for submit <at> debbugs.gnu.org; Wed, 20 Sep 2023 11:55:58 -0400 Received: from mail.muc.de ([193.149.48.3]:26247) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <acm@HIDDEN>) id 1qizYR-0000Pf-Cx for 65622-done <at> debbugs.gnu.org; Wed, 20 Sep 2023 11:55:56 -0400 Received: (qmail 96190 invoked by uid 3782); 20 Sep 2023 17:55:39 +0200 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 Received: (qmail 18063 invoked by uid 1000); 20 Sep 2023 15:55:37 -0000 Date: Wed, 20 Sep 2023 15:55:37 +0000 To: Michael Heerdegen <michael_heerdegen@HIDDEN> Subject: Re: bug#65622: Inappropriate suppression of backtrace on an error Message-ID: <ZQsV-W0FXuXuecv5@ACM> References: <ZO8_SpFzaWeF_7xe@ACM> <87h6ogktnp.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87h6ogktnp.fsf@HIDDEN> X-Submission-Agent: TMDA/1.3.x (Ph3nix) From: Alan Mackenzie <acm@HIDDEN> X-Primary-Address: acm@HIDDEN X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 65622-done Cc: acm@HIDDEN, 65622-done <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Hello, Michael. The bug is now fixed. On Thu, Aug 31, 2023 at 01:16:42 +0200, Michael Heerdegen wrote: > Alan Mackenzie <acm@HIDDEN> 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).
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[217.227.106.143]) by smtp.gmail.com with ESMTPSA id q10-20020aa7cc0a000000b005232c051605sm506260edt.19.2023.08.31.01.21.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 31 Aug 2023 01:21:15 -0700 (PDT) Message-ID: <e8c4bce5-789d-4b2c-3bd2-049a24bdf109@HIDDEN> Date: Thu, 31 Aug 2023 10:21:14 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Subject: Re: bug#65622: Inappropriate suppression of backtrace on an error Content-Language: en-US To: Eli Zaretskii <eliz@HIDDEN> References: <ZO8_SpFzaWeF_7xe@ACM> <87h6ogktnp.fsf@HIDDEN> <m2y1hru09p.fsf@HIDDEN> <83pm33ejmh.fsf@HIDDEN> From: =?UTF-8?Q?Gerd_M=c3=b6llmann?= <gerd.moellmann@HIDDEN> In-Reply-To: <83pm33ejmh.fsf@HIDDEN> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Score: -1.0 (-) X-Debbugs-Envelope-To: 65622 Cc: michael_heerdegen@HIDDEN, acm@HIDDEN, 65622 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -2.0 (--) On 31.08.23 09:49, Eli Zaretskii wrote: >> Cc: Alan Mackenzie <acm@HIDDEN>, 65622 <at> debbugs.gnu.org >> From: Gerd Möllmann <gerd.moellmann@HIDDEN> >> Date: Thu, 31 Aug 2023 09:41:22 +0200 >> >> Michael Heerdegen <michael_heerdegen@HIDDEN> writes: >> >>> Maybe people would like debug-on-error -> t taking precedence over >>> eval-expression-debug-on-error -> nil? >> >> FWIW, I would. > > That'd probably require a special non-nil, non-t value of > debug-on-error, to avoid surprising others. Yes, that's maybe a bit too much effort.
bug-gnu-emacs@HIDDEN:bug#65622; Package emacs.
Full text available.Received: (at 65622) by debbugs.gnu.org; 31 Aug 2023 07:50:34 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Aug 31 03:50:34 2023 Received: from localhost ([127.0.0.1]:54798 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qbcRl-0000G1-L9 for submit <at> debbugs.gnu.org; Thu, 31 Aug 2023 03:50:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34852) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qbcRj-0000Fn-7U for 65622 <at> debbugs.gnu.org; Thu, 31 Aug 2023 03:50:32 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1qbcRV-00011w-2j; Thu, 31 Aug 2023 03:50:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=bq7A8AcU0WhIYQCls3OH94aVr7yS7qdt0BwgpooSh34=; b=iXTZwvQIMip+Z5JGeK7N hW9FVadRxM2clow6dZ2DmfAxiyiqLmyheP5qFI7vBt8P5tEPNDjA++E1ymAQE/pDIg2hhJzflwIVH 1nbgENG4q8EnvJwBc5CE9L90tHD0rrmJFoBznU9WqTSHTQZ/LjW4C5i4JX+1v2qXiWDhY3ZT5SC6f UmBCWFKKff0uLaRFWoMs/7LmjP26bDqaz5cBdNp3oJExGxUfw+NhgTS4o+hNLPRceluaiRHh/ihL3 YftjkvyCdyYP7qqY+VQU26VxKlXbnpCTaktVP58ybj2YSFuAs22JpZB9ENi1hBoWCFEeMk3/KTvHE 0xP1do04lkWTmQ==; Date: Thu, 31 Aug 2023 10:49:58 +0300 Message-Id: <83pm33ejmh.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Gerd =?utf-8?Q?M=C3=B6llmann?= <gerd.moellmann@HIDDEN> In-Reply-To: <m2y1hru09p.fsf@HIDDEN> (message from Gerd =?utf-8?Q?M=C3=B6llmann?= on Thu, 31 Aug 2023 09:41:22 +0200) Subject: Re: bug#65622: Inappropriate suppression of backtrace on an error References: <ZO8_SpFzaWeF_7xe@ACM> <87h6ogktnp.fsf@HIDDEN> <m2y1hru09p.fsf@HIDDEN> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 65622 Cc: michael_heerdegen@HIDDEN, acm@HIDDEN, 65622 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > Cc: Alan Mackenzie <acm@HIDDEN>, 65622 <at> debbugs.gnu.org > From: Gerd Möllmann <gerd.moellmann@HIDDEN> > Date: Thu, 31 Aug 2023 09:41:22 +0200 > > Michael Heerdegen <michael_heerdegen@HIDDEN> writes: > > > Maybe people would like debug-on-error -> t taking precedence over > > eval-expression-debug-on-error -> nil? > > FWIW, I would. That'd probably require a special non-nil, non-t value of debug-on-error, to avoid surprising others.
bug-gnu-emacs@HIDDEN:bug#65622; Package emacs.
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bug-gnu-emacs@HIDDEN:bug#65622; Package emacs.
Full text available.Received: (at 65622) by debbugs.gnu.org; 30 Aug 2023 23:17:04 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Aug 30 19:17:04 2023 Received: from localhost ([127.0.0.1]:54287 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qbUQp-0000tY-WD for submit <at> debbugs.gnu.org; Wed, 30 Aug 2023 19:17:04 -0400 Received: from mout.web.de ([217.72.192.78]:50467) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <michael_heerdegen@HIDDEN>) id 1qbUQk-0000sx-Lr for 65622 <at> debbugs.gnu.org; Wed, 30 Aug 2023 19:17:02 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=s29768273; t=1693437403; x=1694042203; i=michael_heerdegen@HIDDEN; bh=qjZbyGA2ri6XfumRJTneI8xVXK9PxxkefmKhph2m23k=; h=X-UI-Sender-Class:From:To:Cc:Subject:In-Reply-To:References:Date; b=t6vt9QxUdEpuglMJuxA4BL53kYjQmLvt3VCoeJ4AWhWIMzjVf++/FPYQZRHMyIoSfO9Qqb9 eroME4/Z4pupGDLuUHUuxGqbjPB/l9fGKwcRJLz6v2azi+tr/OUPDx5KrSaavjyDsbuyO3weO WcrOUUwZwSlD86eX6ovWz0qATjejbKYTvbIKRSr6m0uQC0oofuaJyuEKi7Ge/Yqo/r50kvPMl biVGAfkMUEn8nO0/PbBImVk52Erlj9YiLaAwxlFiYpJM8WEmJFX+A/p3kUJQPsBr7nXHjPQQ4 bS1HbfVZhbw99RaEJY+2xLkaSi4NgiuDExI/wBsLqYbTBqLljOyw== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from drachen.dragon ([84.60.174.218]) by smtp.web.de (mrweb106 [213.165.67.124]) with ESMTPSA (Nemesis) id 1MGgNU-1qWasb2KCA-00DskR; Thu, 31 Aug 2023 01:16:43 +0200 From: Michael Heerdegen <michael_heerdegen@HIDDEN> To: Alan Mackenzie <acm@HIDDEN> Subject: Re: bug#65622: Inappropriate suppression of backtrace on an error In-Reply-To: <ZO8_SpFzaWeF_7xe@ACM> (Alan Mackenzie's message of "Wed, 30 Aug 2023 13:08:26 +0000") References: <ZO8_SpFzaWeF_7xe@ACM> Date: Thu, 31 Aug 2023 01:16:42 +0200 Message-ID: <87h6ogktnp.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Provags-ID: V03:K1:XOmfvADgJUNDPJTlPpEmXuR8bs9yZVeBWO4Q1HU4NKnenxrSQyf uIjxHNjQBLYyC0xkdPb5xrJnc9Z6zCTKZui/jnlOMLnjtukd+ueFRnjHM1IVnve8A2GBISc Dp4sgkxiX9zWwLMLJUpzkqwlXnxx6zMeJI4euVrMWZ+JUPXVeN2qIXunHsq3el6RR3xJgcC 9TLR4iRq/0A9lQNH2e9BQ== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:ZCfrC/yE/iI=;A1UmbEdbRTl/T0DD0RoIDfjbsN7 3ESyas/0BIsXYhSlziDLTbtDHanihWogfWi+hpxwLj8kRNrOxYwWijUGciAlnSl0pjQUsS3JW QweAr1ZtUhIkGNygXBVY59Jtdmfowc7+ZAUirOp97BRc4IPmHaSuVnI26pJw/CAtsdmF4JpjE RKkd8VmC74N0a/6w+3ayJqBoWlTk2PCTnRYjoAkuF8grv1a6AR87hl7eqSvdPM/DGm67xAqps SwtA3ToWgDQ0x5w8IwFeQWN2Q9AxCYhMFbrxWCUVirOH8NXowdwHe90K4sVhFDRRK8l9fHc2X ZXAG63eX6oBFzNu91fuFVLF+kFvbNxkGKB/FKmK8MczhaAjMEBdFaeh6vmGLCiSVzh2Jv7IUe mekxq+EqcmLtNRvTJ/Kj5ZtU7Ji4UmB9fBc112k9MYqVCKruUPG1x+EU2VNkf7JFg85B5N3yO oZUF1FAutkMYNNjiBo3tPrK9VAlJZrVuzRMpqSqkt4CAwcVbuwU9Xz7rFCFUA2SST+JKTqy8G f7w/ZjJv2ZRX4WrQLFUNqn/CZzTgDHvrcGMia+rTp2NXiElrq5Hd3v+ER+is6gejnOZ+jcn2o 5lJpsoObLI4G8cKMQ2ge5uYrgd1TtRdktr2BISxLsQRCGkHe+cXltbW5DvbZtd4GyZcxjprk+ GnAO7pN+Yd9ZusfXZV1BJTRyCD9yggY627JxSogW3Nhb5Y0rTGSDWbOvT44aegnJVvyCT7WUF GudVii2/dWTENHpU2nKJBqJDe+pP3fIBXSP0PuYD06kJBQ7WOh48+PwbYyemylRc4UsMUpQaB c4lxe4AYw5G9UON4gDIds44MPH/nMscpgIKC14T28lfo0UHltJ833Tuc0+IsbtiWHshnBFMx9 iFrCfjRw1cyDB3d9C+8zOji8yHUH+5GVPYusiKMRs2dtwUX6Rokwe9aTkBQ+QqVU2Wlt117Cb S+8wPMw4x8wXdLbHfjZGZZDfdH4= X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 65622 Cc: 65622 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.7 (-) Alan Mackenzie <acm@HIDDEN> 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.
bug-gnu-emacs@HIDDEN:bug#65622; Package emacs.
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Date: Wed, 30 Aug 2023 13:08:26 +0000
To: bug-gnu-emacs@HIDDEN
Subject: Inappropriate suppression of backtrace on an error
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Hello, Emacs.
On a recent master branch Emacs:
(i) emacs -Q
(ii) Insert the following into *scratch*:
(defmacro hash-if (condition then-form &rest else-forms)
"A conditional compilation macro analogous to C's #if.
Evaluate CONDITION at macro-expansion time. If it is non-nil,
expand the macro to THEN-FORM. Otherwise expand it to ELSE-FORMS
enclosed in a `progn' form. ELSE-FORMS may be empty."
(declare (indent 2)
(debug (form sexp &rest sexp)))
(if (eval condition lexical-binding)
then-form
(cons 'progn else-forms)))
(defun foo (bar)
(hash-if (< emacs-major-version 19)
(car bar)
(cons bar bar)))
(iii) Evaluate hash-if by putting point after it and doing C-x C-e.
(iv) Attempt to instrument foo for edebug by putting point inside foo and
doing C-u C-M-x. This throws the error: "Ignoring macroexpansion
error: (void-function edebug-after)".
(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.
(vii) This backtrace is almost certainly being suppressed by a frivolous
condition-case, whose main purpose appears to be making debugging more
difficult. ;-)
(viii) There would appear to be no justification for "ignoring" the error
(void-function edebug-after). Such error should not occur, and needs
debugging.
--
Alan Mackenzie (Nuremberg, Germany).
Alan Mackenzie <acm@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#65622; Package emacs.
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