From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-return-43377-listarch-gdb=sources.redhat.com@sourceware.org>
Received: (qmail 18775 invoked by alias); 4 Jun 2014 20:21:12 -0000
Mailing-List: contact gdb-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <gdb.sourceware.org>
List-Subscribe: <mailto:gdb-subscribe@sourceware.org>
List-Archive: <http://sourceware.org/ml/gdb/>
List-Post: <mailto:gdb@sourceware.org>
List-Help: <mailto:gdb-help@sourceware.org>, <http://sourceware.org/ml/#faqs>
Sender: gdb-owner@sourceware.org
Received: (qmail 18551 invoked by uid 89); 4 Jun 2014 20:21:09 -0000
Authentication-Results: sourceware.org; auth=none
X-Virus-Found: No
X-Spam-SWARE-Status: No, score=0.3 required=5.0 tests=AWL,BAYES_00,KAM_FROM_URIBL_PCCC,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=no version=3.3.2
X-HELO: mailrelay012.isp.belgacom.be
Received: from mailrelay012.isp.belgacom.be (HELO mailrelay012.isp.belgacom.be) (195.238.6.179) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 04 Jun 2014 20:21:07 +0000
X-Belgacom-Dynamic: yes
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: ApMBAJJ+j1NR88Iy/2dsb2JhbAANTIcdwAgBgSeDGQEBAQQjVhALGAICJgICVwaIWqsod6VqF4EqjSgHgnWBSwEDpTOLUw
Received: from 50.194-243-81.adsl-dyn.isp.belgacom.be (HELO [192.168.1.11]) ([81.243.194.50])  by relay.skynet.be with ESMTP; 04 Jun 2014 22:21:04 +0200
Subject: Re: debugging link_map corruption
From: Philippe Waroquiers <philippe.waroquiers@skynet.be>
To: Maule Mark <mark_maule@yahoo.com>
Cc: "gdb@sourceware.org" <gdb@sourceware.org>
In-Reply-To: <1401888987.45670.YahooMailNeo@web165002.mail.bf1.yahoo.com>
References: <1401888987.45670.YahooMailNeo@web165002.mail.bf1.yahoo.com>
Content-Type: text/plain; charset="UTF-8"
Date: Wed, 04 Jun 2014 20:21:00 -0000
Message-ID: <1401913266.2222.7.camel@soleil>
Mime-Version: 1.0
Content-Transfer-Encoding: 7bit
X-IsSubscribed: yes
X-SW-Source: 2014-06/txt/msg00012.txt.bz2

On Wed, 2014-06-04 at 06:36 -0700, Maule Mark wrote:
> Tried this on libc-help, no response, so trying gdb ...
> 
> I have a heavily threaded program linked against many (~50) shared libraries which occasionally experiences memory corruption
>  such that the link_map list gets trashed rendering the core mostly undebuggable.  I'm looking for ways to debug these sorts
>  of problems.  My operating environment is Linux.
Already tried Valgrind ?

Philippe