From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24846 invoked by alias); 17 Mar 2005 14:17:28 -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 24737 invoked from network); 17 Mar 2005 14:17:19 -0000 Received: from unknown (HELO webmail.streamline-computing.com) (82.133.39.164) by sourceware.org with SMTP; 17 Mar 2005 14:17:19 -0000 Received: from [82.133.39.162] (helo=delmo.priv.wark.uk.streamline-computing.com) by webmail.streamline-computing.com with asmtp (Exim 3.35 #1 (Debian)) id 1DBvoQ-0002XY-00; Thu, 17 Mar 2005 14:17:22 +0000 Subject: Re: LD_PRELOAD, SIGTRAP and step/next From: David Lecomber To: Daniel Jacobowitz Cc: gdb In-Reply-To: <20050317141231.GA27192@nevyn.them.org> References: <1111063455.8222.23.camel@delmo.priv.wark.uk.streamline-computing.com> <20050317141231.GA27192@nevyn.them.org> Content-Type: text/plain Date: Thu, 17 Mar 2005 14:17:00 -0000 Message-Id: <1111068922.8222.34.camel@delmo.priv.wark.uk.streamline-computing.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-SW-Source: 2005-03/txt/msg00167.txt.bz2 On Thu, 2005-03-17 at 09:12 -0500, Daniel Jacobowitz wrote: > On Thu, Mar 17, 2005 at 12:44:15PM +0000, David Lecomber wrote: > > Dear all, > > > > I am debugging using a memory checking library -- dmalloc -- this does > > the usual things via an LD_PRELOAD over the malloc. I am getting > > SIGTRAP when trying to call a function in this library -- but only after > > a step or a next; after a user-defined breakpoint behaviour is correct! > > Kernel version? This sounds like a Linux kernel bug that has since > been fixed... 2.6.10-1.770_FC3smp so pretty recent! d, -- David Lecomber