From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Simon Josefsson Newsgroups: gmane.emacs.devel Subject: Re: infloop when removing character Date: Mon, 18 Aug 2003 12:10:41 +0200 Sender: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Message-ID: References: NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1061201979 7223 80.91.224.253 (18 Aug 2003 10:19:39 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Mon, 18 Aug 2003 10:19:39 +0000 (UTC) Cc: rms@gnu.org, emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+emacs-devel=quimby.gnus.org@gnu.org Mon Aug 18 12:19:37 2003 Return-path: Original-Received: from quimby.gnus.org ([80.91.224.244]) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 19oh6v-0003jR-00 for ; Mon, 18 Aug 2003 12:19:37 +0200 Original-Received: from monty-python.gnu.org ([199.232.76.173]) by quimby.gnus.org with esmtp (Exim 3.12 #1 (Debian)) id 19oh9F-0004YR-00 for ; Mon, 18 Aug 2003 12:22:01 +0200 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.20) id 19oh3K-0004MB-0W for emacs-devel@quimby.gnus.org; Mon, 18 Aug 2003 06:15:54 -0400 Original-Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.20) id 19oh1v-0004C2-FO for emacs-devel@gnu.org; Mon, 18 Aug 2003 06:14:27 -0400 Original-Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.20) id 19oh0v-0001f2-0j for emacs-devel@gnu.org; Mon, 18 Aug 2003 06:13:56 -0400 Original-Received: from [217.13.230.178] (helo=yxa.extundo.com) by monty-python.gnu.org with esmtp (Exim 4.20) id 19ogyJ-0007Q1-Ub; Mon, 18 Aug 2003 06:10:44 -0400 Original-Received: from latte.josefsson.org (yxa.extundo.com [217.13.230.178]) (authenticated bits=0) by yxa.extundo.com (8.12.9/8.12.9) with ESMTP id h7IAAfdk011464 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=OK); Mon, 18 Aug 2003 12:10:42 +0200 Original-To: Miles Bader Mail-Copies-To: nobody X-Payment: hashcash 1.2 0:030818:miles@gnu.org:92033d2d9fda6d09 X-Hashcash: 0:030818:miles@gnu.org:92033d2d9fda6d09 X-Payment: hashcash 1.2 0:030818:rms@gnu.org:e1d08749a075edd8 X-Hashcash: 0:030818:rms@gnu.org:e1d08749a075edd8 X-Payment: hashcash 1.2 0:030818:emacs-devel@gnu.org:0207983c6d6a3c52 X-Hashcash: 0:030818:emacs-devel@gnu.org:0207983c6d6a3c52 In-Reply-To: (Miles Bader's message of "18 Aug 2003 15:46:52 +0900") User-Agent: Gnus/5.1003 (Gnus v5.10.3) Emacs/21.3.50 (gnu/linux) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.2 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:16004 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:16004 Miles Bader writes: > Simon Josefsson writes: >> Program received signal SIGSEGV, Segmentation fault. >> 0x405eff67 in mallopt () from /lib/libc.so.6 >> (gdb) bt full >> #0 0x405eff67 in mallopt () from /lib/libc.so.6 >> No symbol table info available. > > Hmmm, I've seen this `infinite loop in mallopt' hang too, but it was on > one my personal `very hacked' branches of emacs, so I assumed it was my > bug. So you're seeing this in vanilla CVS emacs? Yes, I don't have any changes, not even elisp changes. > I guess this is malloc heap corruption (and so a bitch to find). Perhaps it is a result from a error-within-a-error like Richard suggested. Since the process has crashed now I'll have to wait for it to happen again until I can test more ideas.