From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King Subject: Re: should RTS init in serial core be tied to CRTSCTS Date: Thu, 8 Mar 2007 14:20:18 +0000 Message-ID: <20070308142017.GB30023@flint.arm.linux.org.uk> References: <8bd0f97a0703011603m794e00f5x875eb68ad0db05de@mail.gmail.com> <200703071019.55896.rgetz@blackfin.uclinux.org> <57354eff0703071330k2395e9c8n58e12f2111dcb25a@mail.gmail.com> <200703080844.32157.rgetz@blackfin.uclinux.org> <20070308134800.GA30023@flint.arm.linux.org.uk> <45F01AA8.7010608@gmx.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from caramon.arm.linux.org.uk ([217.147.92.249]:3360 "EHLO caramon.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751910AbXCHOUb (ORCPT ); Thu, 8 Mar 2007 09:20:31 -0500 Content-Disposition: inline In-Reply-To: <45F01AA8.7010608@gmx.net> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Carl-Daniel Hailfinger Cc: Robin Getz , Oleksiy Kebkal , Krzysztof Halasa , Mike Frysinger , Linux Kernel Mailing List , linux-serial@vger.kernel.org On Thu, Mar 08, 2007 at 03:16:08PM +0100, Carl-Daniel Hailfinger wrote: > Hi, > > On 08.03.2007 14:48, Russell King wrote: > > As I've said already, having a console on the same port as your application > > program is just asking for trouble. All bets are off - the kernel _will_ > > corrupt your data stream in random places. > > > > Don't do it - it will _NEVER_ be reliable. > > > > Never, ever, mix kernel consoles with application serial ports. > > Unless you want two machines to monitor each other via serial console and > each of them has only one serial port. It's not perfect, but it works well > enough despite all claims to the contrary. That's fine - you're not sending application specific data which could be corrupted by an inopportune kernel message. -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: