Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261358AbUCDAoV (ORCPT ); Wed, 3 Mar 2004 19:44:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261361AbUCDAoV (ORCPT ); Wed, 3 Mar 2004 19:44:21 -0500 Received: from gateway-1237.mvista.com ([12.44.186.158]:20984 "EHLO av.mvista.com") by vger.kernel.org with ESMTP id S261358AbUCDAoC (ORCPT ); Wed, 3 Mar 2004 19:44:02 -0500 Message-ID: <40467BC3.7030708@mvista.com> Date: Wed, 03 Mar 2004 16:43:47 -0800 From: George Anzinger Organization: MontaVista Software User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1) Gecko/20030225 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Andi Kleen CC: Andrew Morton , amitkale@emsyssoft.com, pavel@ucw.cz, linux-kernel@vger.kernel.org, piggy@timesys.com, trini@kernel.crashing.org Subject: Re: kgdb support in vanilla 2.6.2 References: <20040204230133.GA8702@elf.ucw.cz.suse.lists.linux.kernel> <200402061914.38826.amitkale@emsyssoft.com> <403FDB37.2020704@mvista.com> <200403011508.23626.amitkale@emsyssoft.com> <4044F84D.4030003@mvista.com> <20040302132751.255b9807.akpm@osdl.org> <20040303100515.GB8008@wotan.suse.de> In-Reply-To: <20040303100515.GB8008@wotan.suse.de> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1104 Lines: 30 Andi Kleen wrote: > On Tue, Mar 02, 2004 at 01:27:51PM -0800, Andrew Morton wrote: > >>George Anzinger wrote: >> >>> Often it is not clear just why we are in the stub, given that >>>we trap such things as kernel page faults, NMI watchdog, BUG macros and such. >> >>Yes, that can be confusing. A little printk on the console prior to >>entering the debugger would be nice. > > > What I did for kdb and panic some time ago was to flash the keyboard > lights. If you use a unique frequency (different from kdb > and from panic) it works quite nicely. Assuming a key board and a clear (no spin locks) path to it. Still it only says we are in kgdb, now why. -- George Anzinger george@mvista.com High-res-timers: http://sourceforge.net/projects/high-res-timers/ Preemption patch: http://www.kernel.org/pub/linux/kernel/people/rml - 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/