From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10202 invoked by alias); 11 Jan 2006 04:20:45 -0000 Received: (qmail 10190 invoked by uid 22791); 11 Jan 2006 04:20:44 -0000 X-Spam-Check-By: sourceware.org Received: from nevyn.them.org (HELO nevyn.them.org) (66.93.172.17) by sourceware.org (qpsmtpd/0.31.1) with ESMTP; Wed, 11 Jan 2006 04:20:42 +0000 Received: from drow by nevyn.them.org with local (Exim 4.54) id 1EwXTU-0002IQ-NA; Tue, 10 Jan 2006 23:20:40 -0500 Date: Wed, 11 Jan 2006 04:20:00 -0000 From: Daniel Jacobowitz To: vexspam-gdbmail@usa.net Cc: gdb@sourceware.org Subject: Re: gdbserver-6.3 : Next command gets stuck then zooms. Message-ID: <20060111042040.GA8775@nevyn.them.org> Mail-Followup-To: vexspam-gdbmail@usa.net, gdb@sourceware.org References: <192kaJwZr7568S07.1136931943@cmsweb07.cms.usa.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <192kaJwZr7568S07.1136931943@cmsweb07.cms.usa.net> User-Agent: Mutt/1.5.8i X-IsSubscribed: yes Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2006-01/txt/msg00085.txt.bz2 On Tue, Jan 10, 2006 at 03:25:43PM -0700, vexspam-gdbmail@usa.net wrote: > Hey Daniel, > > Any pointers on where I should start looking - or an approach to > debugging the debugger? > > I'm roaming the gdbserver and kernel sources right now. > > In the Virtex-4 (405-ish as you know) the MSR doesn't have a single step > enable (SE bit) - it does have a debug interrupt enable (DE bit). > > If you know - what is the expected flow of operations I should be seeing > for the next command? > > I'm trying to wrap my head around where I should be looking to fix my > broken kernel. Sorry, I haven't a clue how it's supposed to work; I've just encountered a greater than normal percentage of broken 4xx kernels ;-) The kernel list may be more helpful. -- Daniel Jacobowitz CodeSourcery