From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Michael Welsh Duggan Newsgroups: gmane.emacs.bugs,gmane.emacs.pretest.bugs Subject: bug#5076: 23.1.50; gdb weird breakpoint problem Date: Wed, 02 Dec 2009 02:26:20 -0500 Message-ID: <87k4x5zvj7.fsf@maru.md5i.com> References: <87k4x81wbk.fsf@maru.md5i.com> <19222.4633.34878.857098@totara.tehura.co.nz> Reply-To: Michael Welsh Duggan , 5076@emacsbugs.donarmstrong.com NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1259740067 10406 80.91.229.12 (2 Dec 2009 07:47:47 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 2 Dec 2009 07:47:47 +0000 (UTC) Cc: emacs-pretest-bug@gnu.org, 5076@emacsbugs.donarmstrong.com To: nickrob@snap.net.nz (Nick Roberts) Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Dec 02 08:47:40 2009 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1NFjw3-0004q8-Q3 for geb-bug-gnu-emacs@m.gmane.org; Wed, 02 Dec 2009 08:47:40 +0100 Original-Received: from localhost ([127.0.0.1]:36175 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NFjw3-0005aa-LC for geb-bug-gnu-emacs@m.gmane.org; Wed, 02 Dec 2009 02:47:39 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NFjvv-0005Zi-Ec for bug-gnu-emacs@gnu.org; Wed, 02 Dec 2009 02:47:31 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NFjvs-0005XY-0o for bug-gnu-emacs@gnu.org; Wed, 02 Dec 2009 02:47:31 -0500 Original-Received: from [199.232.76.173] (port=57315 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NFjvr-0005XT-KU for bug-gnu-emacs@gnu.org; Wed, 02 Dec 2009 02:47:27 -0500 Original-Received: from mx20.gnu.org ([199.232.41.8]:34404) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1NFjvr-0006ra-3w for bug-gnu-emacs@gnu.org; Wed, 02 Dec 2009 02:47:27 -0500 Original-Received: from rzlab.ucr.edu ([138.23.92.77]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NFjvq-0003Oi-BK for bug-gnu-emacs@gnu.org; Wed, 02 Dec 2009 02:47:26 -0500 Original-Received: from rzlab.ucr.edu (rzlab.ucr.edu [127.0.0.1]) by rzlab.ucr.edu (8.14.3/8.14.3/Debian-5) with ESMTP id nB27lN94001137; Tue, 1 Dec 2009 23:47:25 -0800 Original-Received: (from debbugs@localhost) by rzlab.ucr.edu (8.14.3/8.14.3/Submit) id nB27ZG4d032675; Tue, 1 Dec 2009 23:35:16 -0800 Resent-Date: Tue, 1 Dec 2009 23:35:16 -0800 X-Loop: owner@emacsbugs.donarmstrong.com Resent-From: Michael Welsh Duggan Resent-To: bug-submit-list@donarmstrong.com Resent-CC: Emacs Bugs 2Resent-Date: Wed, 02 Dec 2009 07:35:16 +0000 Resent-Message-ID: Resent-Sender: owner@emacsbugs.donarmstrong.com X-Emacs-PR-Message: followup 5076 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Original-Received: via spool by 5076-submit@emacsbugs.donarmstrong.com id=B5076.125973878832060 (code B ref 5076); Wed, 02 Dec 2009 07:35:16 +0000 Original-Received: (at 5076) by emacsbugs.donarmstrong.com; 2 Dec 2009 07:26:28 +0000 X-Spam-Bayes: score:0.5 Bayes not run. spammytokens:Tokens not available. hammytokens:Tokens not available. Original-Received: from maru.md5i.com (md5i.com [75.151.244.229]) by rzlab.ucr.edu (8.14.3/8.14.3/Debian-5) with ESMTP id nB27QRF0032056 for <5076@emacsbugs.donarmstrong.com>; Tue, 1 Dec 2009 23:26:28 -0800 Original-Received: from md5i by maru.md5i.com with local (Exim 4.69) (envelope-from ) id 1NFjbQ-0005kR-OT; Wed, 02 Dec 2009 02:26:20 -0500 In-Reply-To: <19222.4633.34878.857098@totara.tehura.co.nz> (Nick Roberts's message of "Wed, 2 Dec 2009 20:07:05 +1300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (gnu/linux) X-detected-operating-system: by mx20.gnu.org: GNU/Linux 2.6 (newer, 2) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) Resent-Date: Wed, 02 Dec 2009 02:47:31 -0500 X-BeenThere: bug-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:33135 gmane.emacs.pretest.bugs:25267 Archived-At: So, should I be reporting a bug to the GDB maintainers, or have you already done so? nickrob@snap.net.nz (Nick Roberts) writes: > Yes. I think it will also happen with a more simple program/recipe too. > By default Emacs uses GDB's non-stop mode but I think it has some bugs. > Look at this: > > #include > > int main() { > printf ("Hello World\n"); > } > > > ... > This GDB was configured as "x86_64-unknown-linux-gnu". > For bug reporting instructions, please see: > ... > Reading symbols from /home/nickrob/bar...done. > (gdb) set target-async 1 > (gdb) set pagination off > (gdb) set non-stop on > (gdb) r > Starting program: /home/nickrob/bar > Hello World > > Program exited with code 014. > (gdb) start > Temporary breakpoint 1 at 0x400514: file bar.c, line 4. > Starting program: /home/nickrob/bar > > Temporary breakpoint 1, main () at bar.c:4 > 4 printf ("Hello World\n"); > (gdb) n > Hello World > 5 } > (gdb) n > > Program received signal SIGSEGV, Segmentation fault. > main () at bar.c:5 > 5 } -- Michael Welsh Duggan (md5i@md5i.com)