From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#17168: 24.3.50; Segfault at mark_object Date: Sun, 06 Apr 2014 19:29:40 +0300 Message-ID: <83zjjy7763.fsf@gnu.org> References: <87y4zop44m.fsf@yahoo.fr> <533C3AF5.6070502@yandex.ru> <533C6905.9060309@dancol.org> <83bnwjbh8v.fsf@gnu.org> <533C75A6.60900@dancol.org> <533D06E6.2060001@yandex.ru> <533D07EF.1040502@yandex.ru> <533D13E2.3060300@dancol.org> <533D251E.3030108@dancol.org> <533D6A19.8050504@yandex.ru> <533D9099.3000104@dancol.org> <533D9F2C.7030500@yandex.ru> <533D9FBB.2050803@dancol.org> <533DB4F0.20706@dancol.org> <534085B1.9070307@dancol.org> <838uri8pkf.fsf@gnu.org> <534179FB.4090301@dancol.org> <834n268m7r.fsf@gnu.org> <53417FA1.1060100@dancol.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1396801825 15936 80.91.229.3 (6 Apr 2014 16:30:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 6 Apr 2014 16:30:25 +0000 (UTC) Cc: dmantipov@yandex.ru, 17168@debbugs.gnu.org To: Daniel Colascione Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Apr 06 18:30:19 2014 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 1WWpxb-0007VS-O1 for geb-bug-gnu-emacs@m.gmane.org; Sun, 06 Apr 2014 18:30:19 +0200 Original-Received: from localhost ([::1]:58665 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WWpxb-0005aU-Ab for geb-bug-gnu-emacs@m.gmane.org; Sun, 06 Apr 2014 12:30:19 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58633) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WWpxT-0005Ny-MG for bug-gnu-emacs@gnu.org; Sun, 06 Apr 2014 12:30:16 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WWpxM-0002XA-KC for bug-gnu-emacs@gnu.org; Sun, 06 Apr 2014 12:30:11 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:37073) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WWpxM-0002Wi-HY for bug-gnu-emacs@gnu.org; Sun, 06 Apr 2014 12:30:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1WWpxL-0003dJ-MY for bug-gnu-emacs@gnu.org; Sun, 06 Apr 2014 12:30:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 06 Apr 2014 16:30:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17168 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 17168-submit@debbugs.gnu.org id=B17168.139680179913925 (code B ref 17168); Sun, 06 Apr 2014 16:30:03 +0000 Original-Received: (at 17168) by debbugs.gnu.org; 6 Apr 2014 16:29:59 +0000 Original-Received: from localhost ([127.0.0.1]:38255 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WWpxF-0003cV-Ve for submit@debbugs.gnu.org; Sun, 06 Apr 2014 12:29:58 -0400 Original-Received: from mtaout29.012.net.il ([80.179.55.185]:47631) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WWpxC-0003cK-Ho for 17168@debbugs.gnu.org; Sun, 06 Apr 2014 12:29:55 -0400 Original-Received: from conversion-daemon.mtaout29.012.net.il by mtaout29.012.net.il (HyperSendmail v2007.08) id <0N3M00D00APR9A00@mtaout29.012.net.il> for 17168@debbugs.gnu.org; Sun, 06 Apr 2014 19:32:11 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by mtaout29.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0N3M00DECB9LV020@mtaout29.012.net.il>; Sun, 06 Apr 2014 19:32:10 +0300 (IDT) In-reply-to: <53417FA1.1060100@dancol.org> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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:87810 Archived-At: > Date: Sun, 06 Apr 2014 09:24:01 -0700 > From: Daniel Colascione > CC: monnier@IRO.UMontreal.CA, dmantipov@yandex.ru, 17168@debbugs.gnu.org > > > Then how do you explain that we never saw such problems, in all the > > years before? > > It's probabilistic. How do you know we didn't? Because Richard has been using that machine for years, and I very much doubt that he changed his usage patterns lately. > >>> In http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15583#23, Richard > >>> provided the last good revno (113938) and the first bad one (114268); > >>> I looked at that range of revisions, and 114156 looks relevant. How > >>> about if we revert it and see if the problems go away? > >> > >> The bug would still be there, and we'd have no way to tell whether your > >> proposed change actually reduced its occurrence to a tolerable level. > >> Why would you want to do that instead of just fixing the bug? > > > > Because it's simpler, > > It's easy to make code that's simple and wrong. I didn't suggest any new code. > > and because it just might be that the bug was > > caused by that other changeset. > > How might that changeset in particular have caused the problem reports? It is related to calling a function, and is in the same function from which all the recent crashes started.