From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20106 invoked by alias); 10 Jun 2005 19:02:40 -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 20080 invoked by uid 22791); 10 Jun 2005 19:02:29 -0000 Received: from ext-ch1gw-5.online-age.net (HELO ext-ch1gw-5.online-age.net) (64.37.194.13) by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Fri, 10 Jun 2005 19:02:29 +0000 Received: from int-ch1gw-4.online-age.net (int-ch1gw-4 [3.159.232.68]) by ext-ch1gw-5.online-age.net (8.12.9/8.12.9/990426-RLH) with ESMTP id j5AJ18Ta008926; Fri, 10 Jun 2005 15:01:12 -0400 (EDT) Received: from uswaumsxb4medge.am.med.ge.com (localhost [127.0.0.1]) by int-ch1gw-4.online-age.net (8.12.9/8.12.3/990426-RLH) with ESMTP id j5AJ16q5002125; Fri, 10 Jun 2005 15:01:07 -0400 (EDT) Received: from uswaumsxb3medge.am.med.ge.com (uswaumsxb3medge.med.ge.com [3.57.24.74]) by uswaumsxb4medge.am.med.ge.com with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2656.59) id MRM1CC9A; Fri, 10 Jun 2005 14:01:06 -0500 Received: from gsao.gso.med.ge.com (uswaucs03 [3.57.24.237]) by uswaumsxb3medge.am.med.ge.com with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2656.59) id MPJN6FS6; Fri, 10 Jun 2005 14:01:06 -0500 Received: from godzilla (IDENT:12539@godzilla [3.70.204.208]) by gsao.gso.med.ge.com (8.12.10+Sun/8.12.10) with ESMTP id j5AJ1tmk002559; Fri, 10 Jun 2005 14:01:55 -0500 (CDT) Date: Fri, 10 Jun 2005 19:02:00 -0000 From: Rich Coe To: Daniel Jacobowitz Cc: gdb@sources.redhat.com Subject: Re: no stack trace with 2.6.11 and gdb 6.3 Message-ID: <20050610135940.23bd015c@godzilla> In-Reply-To: <20050610181140.GA6207@nevyn.them.org> References: <20050610125855.62ce7313@godzilla> <20050610181140.GA6207@nevyn.them.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SW-Source: 2005-06/txt/msg00094.txt.bz2 I downloaded the cvs snapshot gdb-6.3.50.20050607, built, and ran gdb and the problem still persists. What next ? On Fri, 10 Jun 2005 14:11:40 -0400 Daniel Jacobowitz wrote: > On Fri, Jun 10, 2005 at 12:58:55PM -0500, Rich Coe wrote: > > I have been investigating a problem we found here, which initially > > exactly matched the problem reported here: > > > > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=146087 > > > > 1. Start a 32-bit app on a x86_64 system > > 2. attach with gdb > > 3. backtrace starting in a system call doesn't work > > > > Our versions: > > kernel: 2.6.11.11 > > gdb: 6.3.0.0-1.21 > > This is presumably a bug in that Red Hat-supplied version of GDB. We > can't help you with it on this list; if you can reproduce it with the > version of GDB in CVS, please let us know, otherwise you should discuss > it with Red Hat. > > Code was added sometime last year to handle loading the vDSO on attach. > > -- > Daniel Jacobowitz > CodeSourcery, LLC > -- Rich Coe richard.coe@med.ge.com General Electric Healthcare Technologies Global Software Platforms, Computer Technology Team