From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10500 invoked by alias); 20 Jan 2009 21:17:42 -0000 Received: (qmail 10490 invoked by uid 22791); 20 Jan 2009 21:17:41 -0000 X-SWARE-Spam-Status: No, hits=-2.2 required=5.0 tests=AWL,BAYES_00,SPF_PASS X-Spam-Check-By: sourceware.org Received: from smtp-vbr11.xs4all.nl (HELO smtp-vbr11.xs4all.nl) (194.109.24.31) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 20 Jan 2009 21:17:36 +0000 Received: from mail3.aimsys.nl (a80-127-156-242.adsl.xs4all.nl [80.127.156.242]) by smtp-vbr11.xs4all.nl (8.13.8/8.13.8) with ESMTP id n0KLHSDT086364 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 20 Jan 2009 22:17:29 +0100 (CET) (envelope-from nvbolhuis@aimvalley.nl) Received: from localhost.localdomain (eagle.aimsys.nl [10.10.4.170]) (authenticated bits=0) by mail3.aimsys.nl (8.14.2/8.14.2) with ESMTP id n0KLHNVW016747; Tue, 20 Jan 2009 22:17:24 +0100 Message-ID: <49763F67.5010009@aimvalley.nl> Date: Tue, 20 Jan 2009 21:17:00 -0000 From: "N. van Bolhuis" User-Agent: Thunderbird 2.0.0.12 (X11/20080226) MIME-Version: 1.0 To: Paul Pluzhnikov CC: teawater , gdb@sourceware.org Subject: Re: gdb doesn't show all threads, but gdbserver does References: <4974EBFF.307@aimvalley.nl> <49757D1C.7010309@aimvalley.nl> <8ac60eac0901201037t71b6bd62j8668bd004e933f53@mail.gmail.com> <49763169.8070208@aimvalley.nl> <8ac60eac0901201236i2d3a266akaa673cd12a4ec7cb@mail.gmail.com> In-Reply-To: <8ac60eac0901201236i2d3a266akaa673cd12a4ec7cb@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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 X-SW-Source: 2009-01/txt/msg00122.txt.bz2 Paul Pluzhnikov wrote: > On Tue, Jan 20, 2009 at 12:17 PM, N. van Bolhuis wrote: > >> In fact I did just that. I didn't mention it since it's there >> (libthread_db.so.1 is loaded into gdb) so this is not the issue. > > Hmm, I wonder if the "stripped libpthread.so.0" struck again. > > Could you please do 'ldd /mnt/norbert/mainctrl.exe' on target, > note which libpthread.so.0 it is using, and then > > nm /path/to/libpthread.so.0 | egrep '_version|pthread_threads_events' > > If this shows 'no symbols', you have stripped libpthread.so.0 on > target (but not on host). Don't do that. Do "strip --strip-debug" > instead. > aha, that must be it. I did (fully) strip all libraries on target. yes if I do "strip --strip-debug" it works. thanks a lot! I did not realize gdb needs libpthread debug symbols to "discover" threads. Hmm, if I think about it I still not fully understand why. Anyway it work now and I'm happy.