From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10059 invoked by alias); 22 Mar 2007 17:46:49 -0000 Received: (qmail 10048 invoked by uid 22791); 22 Mar 2007 17:46:48 -0000 X-Spam-Check-By: sourceware.org Received: from return.false.org (HELO return.false.org) (66.207.162.98) by sourceware.org (qpsmtpd/0.31) with ESMTP; Thu, 22 Mar 2007 17:46:39 +0000 Received: from return.false.org (localhost [127.0.0.1]) by return.false.org (Postfix) with ESMTP id 9DA1B4B267; Thu, 22 Mar 2007 12:46:37 -0500 (CDT) Received: from caradoc.them.org (dsl093-172-095.pit1.dsl.speakeasy.net [66.93.172.95]) by return.false.org (Postfix) with ESMTP id 8A1254B262; Thu, 22 Mar 2007 12:46:37 -0500 (CDT) Received: from drow by caradoc.them.org with local (Exim 4.63) (envelope-from ) id 1HURMy-00032I-Lm; Thu, 22 Mar 2007 13:46:36 -0400 Date: Thu, 22 Mar 2007 17:46:00 -0000 From: Daniel Jacobowitz To: Neo Cc: gdb Subject: Re: Lots of SIGFPE and SIGSEGV found while debugging Sun hotspot vm on AMD64 machine Message-ID: <20070322174636.GA11602@caradoc.them.org> Mail-Followup-To: Neo , gdb References: <4602C5DA.8040000@cse.unl.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4602C5DA.8040000@cse.unl.edu> User-Agent: Mutt/1.5.14+cvs20070313 (2007-03-13) X-IsSubscribed: yes 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: 2007-03/txt/msg00281.txt.bz2 On Thu, Mar 22, 2007 at 12:07:22PM -0600, Neo wrote: > hi, > Everything is fine when I am using gdb to debug Sun hotspot VM on IA32 machine. > But something wired happens on AMD64 machine. Since the code executed on VM is > dynamically generated I cannot get any information from the "bt" command. Is > there any other approach to debug? Without attaching gdb, there is no error. I > am using the latest version gdb from CVS. It's probably generating those signals deliberately. Try using "handle" to pass and ignore them. That's fairly common for JVMs. -- Daniel Jacobowitz CodeSourcery