From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#19432: backtrace for errors that occur inside process sentinels Date: Sat, 26 Dec 2015 17:34:01 +0100 Message-ID: <8760zlnp8m.fsf@gnus.org> References: <87h9wncvy1.fsf@bernoul.li> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1451147725 2745 80.91.229.3 (26 Dec 2015 16:35:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 26 Dec 2015 16:35:25 +0000 (UTC) Cc: 19432@debbugs.gnu.org, Jonas Bernoulli To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Dec 26 17:35:13 2015 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 1aCroE-0005Km-9M for geb-bug-gnu-emacs@m.gmane.org; Sat, 26 Dec 2015 17:35:10 +0100 Original-Received: from localhost ([::1]:39151 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aCroD-0001cf-HC for geb-bug-gnu-emacs@m.gmane.org; Sat, 26 Dec 2015 11:35:09 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45126) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aCroA-0001cY-Iv for bug-gnu-emacs@gnu.org; Sat, 26 Dec 2015 11:35:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aCro6-0003SN-Hr for bug-gnu-emacs@gnu.org; Sat, 26 Dec 2015 11:35:06 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:34200) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aCro6-0003SA-EP for bug-gnu-emacs@gnu.org; Sat, 26 Dec 2015 11:35:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aCro6-0006yh-7g for bug-gnu-emacs@gnu.org; Sat, 26 Dec 2015 11:35:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 26 Dec 2015 16:35:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 19432 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 19432-submit@debbugs.gnu.org id=B19432.145114766526758 (code B ref 19432); Sat, 26 Dec 2015 16:35:02 +0000 Original-Received: (at 19432) by debbugs.gnu.org; 26 Dec 2015 16:34:25 +0000 Original-Received: from localhost ([127.0.0.1]:41798 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aCrnV-0006xW-Ep for submit@debbugs.gnu.org; Sat, 26 Dec 2015 11:34:25 -0500 Original-Received: from hermes.netfonds.no ([80.91.224.195]:46387) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aCrnU-0006xP-Lq for 19432@debbugs.gnu.org; Sat, 26 Dec 2015 11:34:24 -0500 Original-Received: from 2.150.58.24.tmi.telenormobil.no ([2.150.58.24] helo=mouse) by hermes.netfonds.no with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1aCrn8-0001zw-L0; Sat, 26 Dec 2015 17:34:02 +0100 In-Reply-To: (Stefan Monnier's message of "Mon, 22 Dec 2014 23:15:43 -0500") User-Agent: Gnus/5.130014 (Ma Gnus v0.14) Emacs/25.1.50 (gnu/linux) X-MailScanner-ID: 1aCrn8-0001zw-L0 MailScanner-NULL-Check: 1451752443.52898@D3Iv5lskQwAPNlKLiWgFLQ X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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:110691 Archived-At: Stefan Monnier writes: >> Please provide a way to get backtraces for errors that occur inside >> process sentinels. > > (setq debug-on-error t) works for me: > > emacs -Q --eval '(setq debug-on-error t)' \ > --eval '(let ((proc (start-process "foo" nil "true"))) \ > (set-process-sentinel proc (lambda (&rest args) \ > (+ args 2))))' > > brings up a *Backtrace* buffer just fine. So this doesn't seem reproducible. Jonas, do you have a recipe how to trigger this bug? -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no