From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 30 Aug 2001 01:50:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 30 Aug 2001 01:50:21 -0400 Received: from mx01-a.netapp.com ([198.95.226.53]:44532 "EHLO mx01-a.netapp.com") by vger.kernel.org with ESMTP id ; Thu, 30 Aug 2001 01:50:02 -0400 Date: Wed, 29 Aug 2001 22:50:13 -0700 (PDT) From: Kip Macy To: Elan Feingold cc: linux-kernel@vger.kernel.org Subject: Re: Multithreaded core dumps In-Reply-To: <000c01c13113$91d7c060$0400000a@gorilla> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > > 0. Am I wrong or confused about the state of postmortem multithreaded > debugging under Linux? At least as of mid-2.2 series this was certainly my experience. It was very frustrating that the thread/process that dumped core was not the one that dereferenced a bad pointer/failed an assert but the process group leader. > > 2. If this is simply something that nobody is working on because other > things are more interesting, can anybody give me a few pointers on where > to start? > I am inclined to believe that that is the case. Unfortunately, I have no advice to give - but I am writing because I think that it would be neat if you have the time and the inclination for you to document your findings as you progress and put them on the web. -Kip