Received: (at 56201) by debbugs.gnu.org; 24 Jun 2022 18:23:36 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jun 24 14:23:36 2022 Received: from localhost ([127.0.0.1]:43508 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1o4nxv-00066P-QR for submit <at> debbugs.gnu.org; Fri, 24 Jun 2022 14:23:35 -0400 Received: from quimby.gnus.org ([95.216.78.240]:34756) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <larsi@HIDDEN>) id 1o4nxt-000669-Jw for 56201 <at> debbugs.gnu.org; Fri, 24 Jun 2022 14:23:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=p8Dq4cLM2BAEFT93y5+cPpFPKugmHbmyHkSi7p6NSpw=; b=r9P3jdgJheZMfM3d3Mw3gKJLV4 xChxsQSRpFWwwSwx2JwbWLgYTvfrPZSYQvcDoumpqv57jkXY0tS5Q81ZWgP3BxWBnUieiFlqtJI8H BYI8N2BYs44YbvgYEWsepyxhhdA/EPa+0W9SGFr70kTv623ZATwIvcH32dfNbaG3MOeQ=; Received: from [84.212.220.105] (helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from <larsi@HIDDEN>) id 1o4nxl-0003aO-14; Fri, 24 Jun 2022 20:23:27 +0200 From: Lars Ingebrigtsen <larsi@HIDDEN> To: Alan Mackenzie <acm@HIDDEN> Subject: Re: bug#56201: Backtrace fails to appear in an error situation. References: <YrX3jVip5wh///JH@ACM> Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAABGdBTUEAALGPC/xhBQAAACBj SFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAIVBMVEUxLCgiHRlhXFdD Pjr19PDEwbuGgnumo53W1M6AfHb///9QeSwYAAAAAWJLR0QKaND0VgAAAAd0SU1FB+YGGBIUCsf9 kboAAAGoSURBVDjLjZO9b9swEMVPUlJ5lB0IWkWLjNVNdm1UY6BQpUZ/yBCyuV2ySi0Fc3Qlu1TG Fh3y5zZLhpAskBvvh3ePdw8EeK0xmMuKPDOaULQwAnu5KdemSd9IPWOGYTe0gHFFkAaCnoeW4Jmn gWZUW5UnNeAjcj/pvUgf9dstxBo0AfhNm8pe78OoOo1v8pdnq+CKItHhtWfPlf0I/S676xpdKQDc B2YFxeUuDlXzwzlvT885blQFXMRs02KuAoDM8vv2mmrXcvLH0V25yPU8KFudyvlB29GZgrv7ZUtt w5f6QDK/cCNVkyLM8zRfUnUTHOIhJyzCGwX8PZDzQKpOfH3bT3iYDlxyShNFwUMSiww3WPNAf+JZ N2o+K69ylrKeRlgUvbL4eTt8Sh7Jdq8cyz0ev/iodRtLmbSw7BLX+9UPxdniefgssjJVHADkfpBb MSxPSn/y06/YE85WawUELJ4fWdC4WuRUJAsW7xwti/AWjtNLZkgpQJVtSg/wbh/L0AAkG0R50PvO PR8600e3GWbsNtHBhAVbykyKJw8+mrwhgf+W8z7wD1jTW5FlsOchAAAAJXRFWHRkYXRlOmNyZWF0 ZQAyMDIyLTA2LTI0VDE4OjIwOjA5KzAwOjAwteW2KAAAACV0RVh0ZGF0ZTptb2RpZnkAMjAyMi0w Ni0yNFQxODoyMDowOSswMDowMMS4DpQAAAAASUVORK5CYII= X-Now-Playing: Rocketnumbernine's _Meyouweyou_: "Black And Blue" Date: Fri, 24 Jun 2022 20:23:23 +0200 In-Reply-To: <YrX3jVip5wh///JH@ACM> (Alan Mackenzie's message of "Fri, 24 Jun 2022 17:42:37 +0000") Message-ID: <87v8spnco4.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Alan Mackenzie <acm@HIDDEN> writes: > This ought to produce a backtrace, but doesn't. It merely repeats the > error message "Text is read-only". This is a major bug; how can one > solve minor bugs if attempts to get diagnostic informati [...] Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 56201 Cc: 56201 <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 (---) Alan Mackenzie <acm@HIDDEN> writes: > This ought to produce a backtrace, but doesn't. It merely repeats the > error message "Text is read-only". This is a major bug; how can one > solve minor bugs if attempts to get diagnostic information are blocked? There's a lot of error conditions that are "normal" and handled by the code, and `debug-on-error' doesn't help you with that. You have to set `debug-on-signal' to get a backtrace from those. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no
bug-gnu-emacs@HIDDEN:bug#56201; Package emacs.
Full text available.Received: (at 56201) by debbugs.gnu.org; 24 Jun 2022 18:22:31 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jun 24 14:22:31 2022 Received: from localhost ([127.0.0.1]:43503 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1o4nwt-00064H-CH for submit <at> debbugs.gnu.org; Fri, 24 Jun 2022 14:22:31 -0400 Received: from mail-out.m-online.net ([212.18.0.9]:40756) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <whitebox@HIDDEN>) id 1o4nwq-000641-Ul for 56201 <at> debbugs.gnu.org; Fri, 24 Jun 2022 14:22:29 -0400 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4LV57l598Zz1qyc6; Fri, 24 Jun 2022 20:22:27 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4LV57l3Z9nz1qqkB; Fri, 24 Jun 2022 20:22:27 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id gaNtNPEOBZqg; Fri, 24 Jun 2022 20:22:26 +0200 (CEST) X-Auth-Info: c1lUNIql31hVRYyBYNTf81OZNiENqCjwgVg8m3uuz1CL4yVUhHnk6TMz7LuCh+mA Received: from igel.home (ppp-46-244-176-104.dynamic.mnet-online.de [46.244.176.104]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Fri, 24 Jun 2022 20:22:26 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id 6FB082C3A63; Fri, 24 Jun 2022 20:22:26 +0200 (CEST) From: Andreas Schwab <schwab@HIDDEN> To: Alan Mackenzie <acm@HIDDEN> Subject: Re: bug#56201: Backtrace fails to appear in an error situation. References: <YrX3jVip5wh///JH@ACM> X-Yow: CHUBBY CHECKER just had a CHICKEN SANDWICH in downtown DULUTH! Date: Fri, 24 Jun 2022 20:22:26 +0200 In-Reply-To: <YrX3jVip5wh///JH@ACM> (Alan Mackenzie's message of "Fri, 24 Jun 2022 17:42:37 +0000") Message-ID: <878rpludjx.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.5 (/) X-Debbugs-Envelope-To: 56201 Cc: 56201 <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: -1.5 (-) See debug-ignored-errors. -- Andreas Schwab, schwab@HIDDEN GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."
bug-gnu-emacs@HIDDEN:bug#56201; Package emacs.
Full text available.Received: (at submit) by debbugs.gnu.org; 24 Jun 2022 17:42:47 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jun 24 13:42:47 2022 Received: from localhost ([127.0.0.1]:43438 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1o4nKR-0004y4-38 for submit <at> debbugs.gnu.org; Fri, 24 Jun 2022 13:42:47 -0400 Received: from lists.gnu.org ([209.51.188.17]:51894) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <acm@HIDDEN>) id 1o4nKP-0004xw-2J for submit <at> debbugs.gnu.org; Fri, 24 Jun 2022 13:42:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41208) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <acm@HIDDEN>) id 1o4nKO-0002r4-Mr for bug-gnu-emacs@HIDDEN; Fri, 24 Jun 2022 13:42:44 -0400 Received: from colin.muc.de ([193.149.48.1]:24649 helo=mail.muc.de) by eggs.gnu.org with smtp (Exim 4.90_1) (envelope-from <acm@HIDDEN>) id 1o4nKM-0003WD-Ay for bug-gnu-emacs@HIDDEN; Fri, 24 Jun 2022 13:42:44 -0400 Received: (qmail 14212 invoked by uid 3782); 24 Jun 2022 17:42:38 -0000 Received: from acm.muc.de (p4fe1599c.dip0.t-ipconnect.de [79.225.89.156]) (using STARTTLS) by colin.muc.de (tmda-ofmipd) with ESMTP; Fri, 24 Jun 2022 19:42:37 +0200 Received: (qmail 7378 invoked by uid 1000); 24 Jun 2022 17:42:37 -0000 Date: Fri, 24 Jun 2022 17:42:37 +0000 To: bug-gnu-emacs@HIDDEN Subject: Backtrace fails to appear in an error situation. Message-ID: <YrX3jVip5wh///JH@ACM> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Submission-Agent: TMDA/1.3.x (Ph3nix) From: Alan Mackenzie <acm@HIDDEN> X-Primary-Address: acm@HIDDEN Received-SPF: pass client-ip=193.149.48.1; envelope-from=acm@HIDDEN; helo=mail.muc.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.7 (-) X-Debbugs-Envelope-To: submit 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: -2.7 (--) Hello, Emacs. (i) With the master branch, start Emacs (-Q not needed). (ii) Visit a non-empty file in a buffer. (iii) M-s o <regexp that will generate matches>. (iv) C-x o to move to the *Occur* buffer. (v) Move point to somewhere in the displayed matches. (vi) C-x C-q to swith off read-onliness. (vii) C-j, an attempt to insert a newline. This produces the error message "Text is read-only". This is probably a bug, but is minor compared to what follows: (viii) M-: (setq debug-on-error t) RET. (ix) C-j. This ought to produce a backtrace, but doesn't. It merely repeats the error message "Text is read-only". This is a major bug; how can one solve minor bugs if attempts to get diagnostic information are blocked? It would appear a frivolous condition-case is discarding the backtrace here. This appears to happen with lots of error messages. This is not a Good Thing. -- Alan Mackenzie (Nuremberg, Germany).
Alan Mackenzie <acm@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#56201; Package emacs.
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