From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8001 invoked by alias); 16 Jun 2010 13:54:31 -0000 Received: (qmail 7986 invoked by uid 22791); 16 Jun 2010 13:54:30 -0000 X-SWARE-Spam-Status: No, hits=-5.3 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,SPF_HELO_PASS,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 16 Jun 2010 13:54:25 +0000 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o5GDrlBQ007822 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 16 Jun 2010 09:53:47 -0400 Received: from fche.csb (vpn-225-131.phx2.redhat.com [10.3.225.131]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o5GDrk16026460; Wed, 16 Jun 2010 09:53:46 -0400 Received: by fche.csb (Postfix, from userid 2569) id 0646258112; Wed, 16 Jun 2010 09:53:45 -0400 (EDT) To: Gaurav Dhiman Cc: Mark Wielaard , Srikar Dronamraju , systemtap@sourceware.org Subject: Re: Segmentation Fault: Task died at uprobe probepoint References: <20100614070022.GB13800@linux.vnet.ibm.com> <1276593090.4364.8.camel@springer.wildebeest.org> From: fche@redhat.com (Frank Ch. Eigler) Date: Wed, 16 Jun 2010 19:05:00 -0000 In-Reply-To: (Gaurav Dhiman's message of "Wed, 16 Jun 2010 01:02:14 -0700") Message-ID: User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org X-SW-Source: 2010-q2/txt/msg00584.txt.bz2 Gaurav Dhiman writes: > [...] > I am using kernel 2.6.29, which has the corresponding utrace patch. > Can it be the reason that the older version is not compatible with the > latest version of systemtap? It should work. I'm surprised that an elfutils version change produced anything visibly different. Perhaps you could try a fresh copy of 0.147 (and build systemtap with --with-elfutils=PATH)? > Another thing that I forgot to mention in my previous emails is that > I am running this kernel and systemtap inside a Xen DomU. Does that > make a difference? We have had some problems in the long-ago past with xen not emulating breakpoints inside the guests quite right. Would you be in a position to try kvm and/or hardware? - FChE