From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Fix to long-standing crashes in GC Date: 22 May 2004 21:14:10 -0400 Sender: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Message-ID: References: <40A3BC23.8060000@math.ku.dk> <200405180013.i4I0Ddl15818@raven.dms.auburn.edu> NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1085285430 27226 80.91.224.253 (23 May 2004 04:10:30 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Sun, 23 May 2004 04:10:30 +0000 (UTC) Cc: Luc Teirlinck , rms@gnu.org, emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Sun May 23 06:10:19 2004 Return-path: Original-Received: from quimby.gnus.org ([80.91.224.244]) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1BRkJX-0007Wu-00 for ; Sun, 23 May 2004 06:10:19 +0200 Original-Received: from monty-python.gnu.org ([199.232.76.173]) by quimby.gnus.org with esmtp (Exim 3.35 #1 (Debian)) id 1BRkJX-0003Hq-00 for ; Sun, 23 May 2004 06:10:19 +0200 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.34) id 1BRkC6-0002We-F5 for emacs-devel@quimby.gnus.org; Sun, 23 May 2004 00:02:38 -0400 Original-Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.34) id 1BRjbA-0003HN-JT for emacs-devel@gnu.org; Sat, 22 May 2004 23:24:28 -0400 Original-Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.34) id 1BRhws-00028T-Ry for emacs-devel@gnu.org; Sat, 22 May 2004 21:39:20 -0400 Original-Received: from [199.232.41.8] (helo=mx20.gnu.org) by monty-python.gnu.org with esmtp (TLSv1:DES-CBC3-SHA:168) (Exim 4.34) id 1BRhkv-0008BV-0o; Sat, 22 May 2004 21:26:25 -0400 Original-Received: from [132.204.24.67] (helo=mercure.iro.umontreal.ca) by mx20.gnu.org with esmtp (Exim 4.34) id 1BRhZH-0004rc-Js; Sat, 22 May 2004 21:14:23 -0400 Original-Received: from vor.iro.umontreal.ca (vor.iro.umontreal.ca [132.204.24.42]) by mercure.iro.umontreal.ca (Postfix) with ESMTP id 61DB720DBB; Sat, 22 May 2004 21:14:11 -0400 (EDT) Original-Received: by vor.iro.umontreal.ca (Postfix, from userid 20848) id A8FDA3C63E; Sat, 22 May 2004 21:14:10 -0400 (EDT) Original-To: storm@cua.dk (Kim F. Storm) In-Reply-To: Original-Lines: 11 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50 X-DIRO-MailScanner-Information: Please contact the ISP for more information X-DIRO-MailScanner: Found to be clean X-DIRO-MailScanner-SpamCheck: n'est pas un polluriel, SpamAssassin (score=-1.524, requis 5, BAYES_01 -1.52) X-MailScanner-From: monnier@iro.umontreal.ca X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.4 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Xref: main.gmane.org gmane.emacs.devel:23835 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:23835 > The main problem was that marker blocks could be freed while > still being pointed to by buffer undo lists, but I made other > minor changes to make the code more robust. I don't have access to the code right now, so I can't see whether you've added comments that explain the issue. Could you either explain the issue (i.e. a sample scenario) here or in a comment in the code? If the code already has it, please ignore this email. Stefan