From owner-freebsd-questions@FreeBSD.ORG Thu Sep 14 10:38:56 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 092FB16A403 for ; Thu, 14 Sep 2006 10:38:56 +0000 (UTC) (envelope-from jonathan@hst.org.za) Received: from sirian.hst.org.za (sirian.hst.org.za [209.203.2.130]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9506943D45 for ; Thu, 14 Sep 2006 10:38:50 +0000 (GMT) (envelope-from jonathan@hst.org.za) Received: from localhost (localhost.hst.org.za [127.0.0.1]) by sirian.hst.org.za (Postfix) with ESMTP id DA63931D2A5 for ; Thu, 14 Sep 2006 12:38:13 +0200 (SAST) Received: from sirian.hst.org.za ([127.0.0.1]) by localhost (sirian.hst.org.za [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 26035-02 for ; Thu, 14 Sep 2006 12:38:13 +0200 (SAST) Received: by sirian.hst.org.za (Postfix, from userid 1004) id AFEBF31D298; Thu, 14 Sep 2006 12:38:13 +0200 (SAST) Received: from sysadmin.int.dbn.hst.org.za (sysadmin.int.dbn.hst.org.za [10.1.1.20]) by sirian.hst.org.za (Postfix) with ESMTP id 0895A31D2B4 for ; Thu, 14 Sep 2006 12:38:13 +0200 (SAST) From: Jonathan McKeown Organization: Health Systems Trust To: freebsd-questions@freebsd.org Date: Thu, 14 Sep 2006 12:40:13 +0200 User-Agent: KMail/1.7.2 References: <200609131459.05492.jonathan@hst.org.za> In-Reply-To: <200609131459.05492.jonathan@hst.org.za> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200609141240.14031.jonathan@hst.org.za> X-Spam-Checker-Version: SpamAssassin 2.61 (1.212.2.1-2003-12-09-exp) on sirian.hst.org.za X-Spam-Level: X-Spam-Status: No, hits=-4.9 required=7.0 tests=BAYES_00 autolearn=ham version=2.61 X-Virus-Scanned: by amavisd-new at hst.org.za Subject: Re: Using PC as serial terminal on running system X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Sep 2006 10:38:56 -0000 On Wednesday 13 September 2006 14:59, Jonathan McKeown wrote: > I'm using my laptop and tip(1) as a serial terminal. This is working well > when a machine is booted with the laptop connected to its serial port. > However, I need to be able to connect the laptop to a machine which was > booted without a serial console. > > I've set the ttyd0 line in /etc/ttys and sigHUPed init. The machine is > still not recognising the presence of the ``serial terminal'' - the > getty(1) process on the server is not bound to a controlling terminal and > nothing is appearing in the tip(1) screen on the laptop. OK, creating a line in /etc/ttys for cuad0 seems to have worked. Will that cause problems later? I assume the problem is that the tip(1) process (or possibly the USB-serial adapter) is not DTRT with respect to carrier. Is there any other way round this? Jonathan