From owner-freebsd-current@FreeBSD.ORG  Tue Sep 30 09:41:58 2003
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 43D4A16A4B3; Tue, 30 Sep 2003 09:41:58 -0700 (PDT)
Received: from ebb.errno.com (ebb.errno.com [66.127.85.87])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 13D1543FE9; Tue, 30 Sep 2003 09:41:57 -0700 (PDT)
	(envelope-from sam@errno.com)
Received: from 66.127.85.91 ([66.127.85.91])
	(authenticated bits=0)
	by ebb.errno.com (8.12.9/8.12.9) with ESMTP id h8UGfs0x077084
	(version=TLSv1/SSLv3 cipher=RC4-MD5 bits=128 verify=NO);
	Tue, 30 Sep 2003 09:41:56 -0700 (PDT)
	(envelope-from sam@errno.com)
From: Sam Leffler <sam@errno.com>
Organization: Errno Consulting
To: Bruce Evans <bde@zeta.org.au>,
	"Greg 'groggy' Lehey" <grog@freebsd.org>
Date: Tue, 30 Sep 2003 09:32:54 -0700
User-Agent: KMail/1.5.2
References: <20030929083007.GA33083@wantadilla.lemis.com>
	<20030930074500.GY45668@wantadilla.lemis.com>
	<20030930204919.A4354@gamplex.bde.org>
In-Reply-To: <20030930204919.A4354@gamplex.bde.org>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200309300932.54682.sam@errno.com>
cc: FreeBSD current users <FreeBSD-current@freebsd.org>
Subject: Re: Serial debug broken in recent -CURRENT?
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 30 Sep 2003 16:41:58 -0000

On Tuesday 30 September 2003 04:01 am, Bruce Evans wrote:
> On Tue, 30 Sep 2003, Greg 'groggy' Lehey wrote:
> > On Tuesday, 30 September 2003 at 16:23:35 +1000, Bruce Evans wrote:
> > > On Mon, 29 Sep 2003, Greg 'groggy' Lehey wrote:
> > >> After building a new kernel, remote serial gdb no longer works.  When
> > >> I issue a 'continue' command, I lose control of the system, but it
> > >> doesn't continue running.  Has anybody else seen this?
> > >
> > > It works as well as it did a few months ago here.  (Not very well
> > > compared with ddb.  E.g., calling a function is usually fatal.)
> >
> > Hmm, that's not what Sam or I are seeing.  How old is your kernel?
> > You *are* able to continue, right?  Everything else works for me.
>
> I didn't test with my kernel; I tested with almost-current SMP and !SMP
> kernels (amost-current = 217 lines of patches; my kernel = 96934 lines
> of patches).  They were about half an hour old when I tried it.  I tested
> little more than continuing from Debugger().  I didn't test using optional
> foot shooting devices like acpi or modules.

It reliably locks up for me when you break into a running system; set a 
breakpoint; and then continue.  Machine is UP+HTT.  Haven't tried other 
machines.

	Sam