From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7211 invoked by alias); 4 Jun 2014 20:46:04 -0000 Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org Received: (qmail 7199 invoked by uid 89); 4 Jun 2014 20:46:03 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=1.6 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,KAM_BODY_URIBL_PCCC,RCVD_IN_DNSWL_NONE,RP_MATCHES_RCVD,SPF_PASS autolearn=no version=3.3.2 X-HELO: nm3-vm0.bullet.mail.bf1.yahoo.com Received: from nm3-vm0.bullet.mail.bf1.yahoo.com (HELO nm3-vm0.bullet.mail.bf1.yahoo.com) (98.139.212.154) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-SHA encrypted) ESMTPS; Wed, 04 Jun 2014 20:46:02 +0000 Received: from [66.196.81.170] by nm3.bullet.mail.bf1.yahoo.com with NNFMP; 04 Jun 2014 20:46:00 -0000 Received: from [98.139.212.220] by tm16.bullet.mail.bf1.yahoo.com with NNFMP; 04 Jun 2014 20:46:00 -0000 Received: from [127.0.0.1] by omp1029.mail.bf1.yahoo.com with NNFMP; 04 Jun 2014 20:46:00 -0000 Received: (qmail 15655 invoked by uid 60001); 4 Jun 2014 20:46:00 -0000 Received: from [137.254.4.5] by web165003.mail.bf1.yahoo.com via HTTP; Wed, 04 Jun 2014 13:46:00 PDT References: <1401888987.45670.YahooMailNeo@web165002.mail.bf1.yahoo.com> <1401913266.2222.7.camel@soleil> Message-ID: <1401914760.75029.YahooMailNeo@web165003.mail.bf1.yahoo.com> Date: Wed, 04 Jun 2014 20:46:00 -0000 From: Maule Mark Reply-To: Maule Mark Subject: Re: debugging link_map corruption To: Philippe Waroquiers Cc: "gdb@sourceware.org" In-Reply-To: <1401913266.2222.7.camel@soleil> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes X-SW-Source: 2014-06/txt/msg00014.txt.bz2 Unfortunately, no. =A0We run in a very limited diskless software environmen= t, so there is not much opportunity for external profiling. =A0I'm not conf= ident that our sw stack would run under valgrind. > On Wednesday, June 4, 2014 3:21 PM, Philippe Waroquiers wrote: > > On Wed, 2014-06-04 at 06:36 -0700, Maule Mark wrote: >=20 >> Tried this on libc-help, no response, so trying gdb ... >>=20 >> I have a heavily threaded program linked against many (~50) shared=20 > libraries which occasionally experiences memory corruption >> =A0 such that the link_map list gets trashed rendering the core mostly=20 > undebuggable.=A0 I'm looking for ways to debug these sorts >> =A0 of problems.=A0 My operating environment is Linux. > Already tried Valgrind ? >=20 > Philippe >