From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5923 invoked by alias); 19 Feb 2003 17:47:53 -0000 Mailing-List: contact gdb-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sources.redhat.com Received: (qmail 5884 invoked from network); 19 Feb 2003 17:47:52 -0000 Received: from unknown (HELO hermes.chez-thomas.org) (63.225.98.241) by 172.16.49.205 with SMTP; 19 Feb 2003 17:47:52 -0000 Received: from localhost.localdomain (localhost [127.0.0.1]) by hermes.chez-thomas.org (Postfix) with ESMTP id B9E0423615; Wed, 19 Feb 2003 10:47:50 -0700 (MST) Subject: Re: [ECOS] Can't connect to remote Evaluator 7T From: "Gary D. Thomas" To: Mark Salter Cc: qqi@theworld.com, jifl@eCosCentric.com, Pierre.Habraken@imag.fr, gdb@sources.redhat.com, eCos Discussion In-Reply-To: <20030219174138.A6E4578A6D@deneb.localdomain> References: <20030219174138.A6E4578A6D@deneb.localdomain> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Wed, 19 Feb 2003 17:47:00 -0000 Message-Id: <1045676870.18484.6026.camel@hermes.chez-thomas.org> Mime-Version: 1.0 X-SW-Source: 2003-02/txt/msg00362.txt.bz2 On Wed, 2003-02-19 at 10:41, Mark Salter wrote: > >>>>> Quality Quorum writes: > > > On Wed, 19 Feb 2003, Mark Salter wrote: > > >> > >> Not only that, from my experiments with a cable tap, nothing is going out > >> of the PC to the target. The write(2) succeeds, but nothing is sent on > >> the wire. Closing and reopening the serial device usually clears up the > >> problem. > > > Connect through minicom and make sure that target responds with gdb packet > > when you send enter. My $0.02. > > The target is sitting at the RedBoot prompt. I physically tapped the > serial line and watched from another host. The packet from GDB never > makes it to the wire. If I startup minicom on the host with GDB still > trying to connect, then data starts flowing on the wire again although > GDB and minicom are fighting over the read data. > Maybe it's a handshake issue? Perhaps GDB is leaving or setting the port into a handshake mode (that may not work) and minicom does not. Or some such combination. Checking with "stty