Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 3 Apr 2001 19:22:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 3 Apr 2001 19:22:48 -0400 Received: from cpe-24-221-152-185.az.sprintbbd.net ([24.221.152.185]:41968 "EHLO opus.bloom.county") by vger.kernel.org with ESMTP id ; Tue, 3 Apr 2001 19:22:39 -0400 Date: Tue, 3 Apr 2001 16:18:01 -0700 From: Tom Rini To: Russell King Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] 2.4.3 and SysRq over serial console Message-ID: <20010403161801.A7656@opus.bloom.county> In-Reply-To: <20010331163808.A9740@opus.bloom.county> <20010403210744.A22460@flint.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.15i In-Reply-To: <20010403210744.A22460@flint.arm.linux.org.uk>; from rmk@arm.linux.org.uk on Tue, Apr 03, 2001 at 09:07:44PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 03, 2001 at 09:07:44PM +0100, Russell King wrote: > On Sat, Mar 31, 2001 at 04:38:08PM -0700, Tom Rini wrote: > > Hello all. Without the attached patch, SysRq doesn't work over a serial > > console here. Has anyone else seen this problem? > > It is handled at the serial port driver level, not the tty level. You need > to turn on CONFIG_SERIAL_CONSOLE and CONFIG_MAGIC_SYSRQ, and issue a break > followed by the relevent character within 5 seconds on the serial TTY being > used as the kernel console. After talking with the person who originally did the patch, yeah, that does make sense (and the serial driver we're using needs to be fixed). Thanks. -- Tom Rini (TR1265) http://gate.crashing.org/~trini/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/