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#12402: 24.2.50; Crash switching to ibuffer Date: Thu, 20 Sep 2012 05:56:05 +0300 Message-ID: <83fw6dz9kq.fsf@gnu.org> References: <504DFC16.9030601@solarflare.com> <83fw6plth8.fsf@gnu.org> <504E1EE2.7030605@solarflare.com> <838vchlpa0.fsf@gnu.org> <82392dfzto.fsf@gmail.com> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1348110316 28958 80.91.229.3 (20 Sep 2012 03:05:16 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 20 Sep 2012 03:05:16 +0000 (UTC) Cc: 12402@debbugs.gnu.org To: Andy Moreton Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Sep 20 05:05:20 2012 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 1TEX4q-0002wR-Em for geb-bug-gnu-emacs@m.gmane.org; Thu, 20 Sep 2012 05:05:20 +0200 Original-Received: from localhost ([::1]:39723 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TEX4l-0002z9-Ph for geb-bug-gnu-emacs@m.gmane.org; Wed, 19 Sep 2012 23:05:15 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:36303) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TEX4i-0002Xn-RO for bug-gnu-emacs@gnu.org; Wed, 19 Sep 2012 23:05:14 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TEWwL-0006k6-Kr for bug-gnu-emacs@gnu.org; Wed, 19 Sep 2012 22:56:34 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:34761) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TEWwL-0006k2-Ht for bug-gnu-emacs@gnu.org; Wed, 19 Sep 2012 22:56:33 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1TEWxl-00020e-TB for bug-gnu-emacs@gnu.org; Wed, 19 Sep 2012 22:58:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 20 Sep 2012 02:58:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 12402 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 12402-submit@debbugs.gnu.org id=B12402.13481098547687 (code B ref 12402); Thu, 20 Sep 2012 02:58:01 +0000 Original-Received: (at 12402) by debbugs.gnu.org; 20 Sep 2012 02:57:34 +0000 Original-Received: from localhost ([127.0.0.1]:44307 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TEWxJ-0001zw-Hp for submit@debbugs.gnu.org; Wed, 19 Sep 2012 22:57:33 -0400 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:60940) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TEWxG-0001zn-1L for 12402@debbugs.gnu.org; Wed, 19 Sep 2012 22:57:32 -0400 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0MAM00A00O4V3O00@a-mtaout20.012.net.il> for 12402@debbugs.gnu.org; Thu, 20 Sep 2012 05:55:52 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MAM009I0O54U170@a-mtaout20.012.net.il>; Thu, 20 Sep 2012 05:55:52 +0300 (IDT) In-reply-to: <82392dfzto.fsf@gmail.com> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) 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:64626 Archived-At: > From: Andy Moreton > Date: Wed, 19 Sep 2012 22:49:23 +0100 > > On Mon 10 Sep 2012, Eli Zaretskii wrote: > > >> > Any chance of a repeatable recipe? > > I've not seen this precise crash again on newer trunk revisions. I have > seen a GC-related abort appearing recently, such as this from r110025. > It seems to take a day or two of use for it to appear: > > #1 0x01153656 in emacs_abort () at w32fns.c:7215 > #2 0x010554e4 in sys_kill (pid=0x58c, sig=0x16) at w32proc.c:1433 > #3 0x010014d8 in fatal_error_backtrace (sig=0x16, backtrace_limit=0x7fffffff) at emacs.c:332 > #4 0x010434cf in die (msg=0x15210ac "assertion failed: !VECTOR_MARKED_P (ptr)", file=0x151f181 "alloc.c", line=0x169d) at alloc.c:6743 > #5 0x010411a4 in mark_vectorlike (ptr=0x3867de0) at alloc.c:5789 > #6 0x01041b04 in mark_object (arg=0x3867de5) at alloc.c:6050 > > ...many mark_object and mark_vectorlike calls... I'm quite sure that this is a different problem. The original abort was in ralloc.c, and it was not during GC. This one seems like some GC bug. I've seen the abort in ralloc.c as well, and I'm currently testing a provisional fix. If you can follow the advice in etc/DEBUG and try to find out which data structure caused the abort in GC, that would add valuable information. Thanks.