From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26555 invoked by alias); 28 Dec 2009 21:49:06 -0000 Received: (qmail 26547 invoked by uid 22791); 28 Dec 2009 21:49:05 -0000 X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,SPF_PASS 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; Mon, 28 Dec 2009 21:49:02 +0000 Received: from int-mx08.intmail.prod.int.phx2.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id nBSLn0GQ024613 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 28 Dec 2009 16:49:01 -0500 Received: from host0.dyn.jankratochvil.net (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx08.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id nBSLmwh7012872 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 28 Dec 2009 16:49:00 -0500 Received: from host0.dyn.jankratochvil.net (localhost [127.0.0.1]) by host0.dyn.jankratochvil.net (8.14.3/8.14.3) with ESMTP id nBSLmwTM021383; Mon, 28 Dec 2009 22:48:58 +0100 Received: (from jkratoch@localhost) by host0.dyn.jankratochvil.net (8.14.3/8.14.3/Submit) id nBSLmwLR021382; Mon, 28 Dec 2009 22:48:58 +0100 Date: Mon, 28 Dec 2009 21:49:00 -0000 From: Jan Kratochvil To: Aravinda Cc: gdb@sourceware.org Subject: Re: Problem with manual watchpoints Message-ID: <20091228214858.GA21208@host0.dyn.jankratochvil.net> References: <26eb53620912241247i718992d6i422451f4b7f9931@mail.gmail.com> <20091224210825.GA29926@host0.dyn.jankratochvil.net> <26eb53620912241341w30a924afxf90f66166b8c552b@mail.gmail.com> <20091224215217.GA32721@host0.dyn.jankratochvil.net> <26eb53620912281321k3fe1ee7dy9fcdc8bdff69cd4b@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <26eb53620912281321k3fe1ee7dy9fcdc8bdff69cd4b@mail.gmail.com> User-Agent: Mutt/1.5.20 (2009-08-17) 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: 2009-12/txt/msg00172.txt.bz2 On Mon, 28 Dec 2009 22:21:34 +0100, Aravinda wrote: > Could it be possible for a processor with debug registers to not support > exact reporting or could there be problems since Im working on a VM ? Which "VM"? It is true some old KVMs had some bugs with watchpoints. Those are fixed long time (such as at least in kernel-2.6.31.9-174.fc12.x86_64). You can run the gdb testsuite both in host and in guest OS and compare it. You can also compare the results from: http://sourceware.org/systemtap/wiki/utrace/tests Regards, Jan