From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22589 invoked by alias); 27 May 2002 18:07:51 -0000 Mailing-List: contact gdb-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sources.redhat.com Received: (qmail 22571 invoked from network); 27 May 2002 18:07:50 -0000 Received: from unknown (HELO branoic) (12.234.96.134) by sources.redhat.com with SMTP; 27 May 2002 18:07:50 -0000 Received: from drow by branoic with local (Exim 3.35 #1 (Debian)) id 17COtt-0001Tp-00; Mon, 27 May 2002 14:07:21 -0400 Date: Mon, 27 May 2002 11:07:00 -0000 From: Daniel Jacobowitz To: Carlo Wood Cc: gdb@sources.redhat.com Subject: Re: Is this information correct? Message-ID: <20020527180721.GC5523@branoic.them.org> Mail-Followup-To: Carlo Wood , gdb@sources.redhat.com References: <20020527142006.A23953@alinoe.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020527142006.A23953@alinoe.com> User-Agent: Mutt/1.3.28i X-SW-Source: 2002-05/txt/msg00296.txt.bz2 On Mon, May 27, 2002 at 02:20:06PM +0200, Carlo Wood wrote: > In the next release of libcwd (http://libcwd.sourceforge.net) > I will add the information below. > > Because this will reach a few hunderd C++ developers, I wanted > to check with you if this information is correct in your eyes. > Any improvement is welcomed. > > ------- > A core dump produced by a kernel 2.4 does not > contain enough information for gdb to debug all > threads. Only the core dumping thread is dumped > and the other threads continue to run for a while. > There exists a kernel patch written by Intel/IBM > that fixes this problem; please read > http://www.apachelabs.org/lkml/200203.mbox/%3c20020315170726.A3405@in.ibm.com%3e > or > http://www.uwsg.iu.edu/hypermail/linux/kernel/0203.1/0963.html This part's fine. > You are strongly advised to use gdb 5.2 for multithreaded > debugging; however, it may be possible that the released > gdb 5.2 is not capable of reading the debug information > that is used by gcc 3.1, I heard (libcwd needed to be fixed > too), the latest CVS version of gdb works though. What's this part about though? I think it's really referring to gdb 5.1 instead. 5.2 should be fine. > Be aware that gdb does hardly support namespaces and > will therefore frequently not find types or variables > in namespaces. It doesn't look like that this will be > fixed very soon (2002-05-27). > -------- > > -- > Carlo Wood -- Daniel Jacobowitz Carnegie Mellon University MontaVista Software Debian GNU/Linux Developer