From owner-freebsd-current Wed May 7 16:40:32 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id QAA25294 for current-outgoing; Wed, 7 May 1997 16:40:32 -0700 (PDT) Received: from pahtoh.cwu.edu (root@pahtoh.cwu.edu [198.104.65.27]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id QAA25289 for ; Wed, 7 May 1997 16:40:30 -0700 (PDT) Received: from opus.cts.cwu.edu (skynyrd@opus.cts.cwu.edu [198.104.92.71]) by pahtoh.cwu.edu (8.8.5/8.8.5) with ESMTP id QAA26894; Wed, 7 May 1997 16:40:29 -0700 (PDT) Received: from localhost (skynyrd@localhost) by opus.cts.cwu.edu (8.8.5/8.8.5) with SMTP id QAA21804; Wed, 7 May 1997 16:40:28 -0700 (PDT) Date: Wed, 7 May 1997 16:40:28 -0700 (PDT) From: Chris Timmons To: Bruce Evans cc: current@FreeBSD.ORG Subject: Re: Problems using remote gdb In-Reply-To: <199705072200.IAA20644@godzilla.zeta.org.au> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Actually the comment for flags=0x40 seems like it might have a typo. Should it read "Do not reserve ...." or is there a complete other sentence missing that starts "Do not"? "Do not reserve this unit for low level console operations. (Makes kernel debugging easier at the expense of normal serial console support.)" ??? Would a low-level console operations include system messages written to /dev/console? -Chris # $Id: LINT,v 1.331 1997/05/06 18:24:17 fsmp Exp $ # 0x40 reserve this unit for low level console operations. Do not # On Thu, 8 May 1997, Bruce Evans wrote: > >To answer my own question, you must have "flags 0x50" on the sio port > >that you are going to use for debugging. > > No, you must have 0x10 to get console support. 0x40 is optional. It > makes debugging work better at a cost of breaking ordinary serial console > support. See LINT. > > >Can someone more "in the know" about this, review and update the handbook > >page on remote, serial debugging? > > I don't even read the handbook :-). > > Bruce >