From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Vincent =?UTF-8?Q?Bela=C3=AFche?= Newsgroups: gmane.emacs.bugs Subject: bug#22301: 25.1.50; Emacs crashes while lisp debugging Date: Fri, 15 Jan 2016 08:56:44 +0100 Message-ID: <84fuxznumb.fsf@gmail.com> References: <84oad2z3lp.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1452844644 8547 80.91.229.3 (15 Jan 2016 07:57:24 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 15 Jan 2016 07:57:24 +0000 (UTC) Cc: Vincent =?UTF-8?Q?Bela=C3=AFche?= , 22301@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Jan 15 08:57:13 2016 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 1aJzFv-0005PO-7r for geb-bug-gnu-emacs@m.gmane.org; Fri, 15 Jan 2016 08:57:11 +0100 Original-Received: from localhost ([::1]:45776 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aJzFu-0005SM-P7 for geb-bug-gnu-emacs@m.gmane.org; Fri, 15 Jan 2016 02:57:10 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:33274) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aJzFr-0005RJ-A5 for bug-gnu-emacs@gnu.org; Fri, 15 Jan 2016 02:57:08 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aJzFm-000730-A5 for bug-gnu-emacs@gnu.org; Fri, 15 Jan 2016 02:57:07 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:33123) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aJzFm-00072i-6c for bug-gnu-emacs@gnu.org; Fri, 15 Jan 2016 02:57:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aJzFl-0005K5-UC for bug-gnu-emacs@gnu.org; Fri, 15 Jan 2016 02:57:02 -0500 X-Loop: help-debbugs@gnu.org In-Reply-To: <84oad2z3lp.fsf@gmail.com> Resent-From: Vincent =?UTF-8?Q?Bela=C3=AFche?= Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 15 Jan 2016 07:57:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22301 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 22301-submit@debbugs.gnu.org id=B22301.145284460020434 (code B ref 22301); Fri, 15 Jan 2016 07:57:01 +0000 Original-Received: (at 22301) by debbugs.gnu.org; 15 Jan 2016 07:56:40 +0000 Original-Received: from localhost ([127.0.0.1]:49576 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aJzFQ-0005JW-HA for submit@debbugs.gnu.org; Fri, 15 Jan 2016 02:56:40 -0500 Original-Received: from smtp09.smtpout.orange.fr ([80.12.242.131]:40878 helo=smtp.smtpout.orange.fr) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aJzFO-0005JF-6c for 22301@debbugs.gnu.org; Fri, 15 Jan 2016 02:56:38 -0500 Original-Received: from AigleRoyal ([86.214.104.246]) by mwinf5d32 with ME id 67wW1s00S5JzBbq037wWyF; Fri, 15 Jan 2016 08:56:31 +0100 X-ME-Helo: AigleRoyal X-ME-Auth: dmluY2VudGJlbGFpY2hlQG9yYW5nZS5mcg== X-ME-Date: Fri, 15 Jan 2016 08:56:31 +0100 X-ME-IP: 86.214.104.246 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:111629 Archived-At: Answers below... Le 15/01/2016 08:46, Eli Zaretskii a =E9crit : >> From: Vincent Bela=EFche =20 >> Cc: Vincent Bela=EFche >> ,22301@debbugs.gnu.org >> Date: Thu, 14 Jan 2016 23:54:57 +0100 >> >>> Please tell what these commands display: >>> >>> (gdb) p p >>> (gdb) p end >>> >>> Thanks. >> >> Here you are. I tried to print other variables too, but unfortunately, >> when doing that it seems that I have killed the gdb session (doing `p >> *p' has caused gdb to get locked telling "value has been optimized out", >> and then I had to do `M-x signal-process RET shell RET 3 RET' to exit >> from this. >> >> --8<----8<----8<----8<----8<-- begin -->8---->8---->8---->8---->8---- >> (gdb) p p >> $1 =3D >> (gdb) p end >> $2 =3D (unsigned char *) 0x9bbcd354
>> (gdb) p obj >> $3 =3D 12579352 >> (gdb) p name >> $4 =3D >> (gdb) p *p >> (gdb) value has been optimized out > > This just means you compiled Emacs with optimizations. Can you > reproduce this in an unoptimized build? I had compiled with this line in the script launching it all: export CPPFLAGS=3D"$CPPFLAGS -DFOR_MSW=3D1 -I ${HERE_DIR}/libXpm-3.5.8/in= clude -I ${HERE_DIR}/libXpm-3.5.8/src -L ${HERE_DIR}/libXpm-3.5.8/src" I will recompile with it modified as follows (-Og added): export CPPFLAGS=3D"$CPPFLAGS -Og -DFOR_MSW=3D1 -I ${HERE_DIR}/libXpm-3.5.= 8/include -I ${HERE_DIR}/libXpm-3.5.8/src -L ${HERE_DIR}/libXpm-3.5.8/src" Could you please confirm it is what you want before I go there. Vincent. PS: BTW, it won't be the same Emacs source code as the one crashing anyway, because I did some git pull meanwhile. what shall I do with that, shouldn't I try another git pull to work on the latest src version, or should I try to get the same src as the one crashing by getting a work area revision bashed on crashing Eamcs version compilation date.