Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266475AbUAVXJ7 (ORCPT ); Thu, 22 Jan 2004 18:09:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266476AbUAVXJ7 (ORCPT ); Thu, 22 Jan 2004 18:09:59 -0500 Received: from gateway-1237.mvista.com ([12.44.186.158]:28154 "EHLO av.mvista.com") by vger.kernel.org with ESMTP id S266475AbUAVXJz (ORCPT ); Thu, 22 Jan 2004 18:09:55 -0500 Message-ID: <40105821.8040700@mvista.com> Date: Thu, 22 Jan 2004 15:09:21 -0800 From: George Anzinger Organization: MontaVista Software User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2) Gecko/20021202 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Tom Rini CC: "Amit S. Kale" , Hollis Blanchard , KGDB bugreports , Linux Kernel , Powerpc Linux Subject: Re: PPC KGDB changes and some help? References: <20040120172708.GN13454@stop.crashing.org> <30216351-4CEF-11D8-A2A1-000A95A0560C@us.ibm.com> <20040122154529.GE15271@stop.crashing.org> <200401222136.10887.amitkale@emsyssoft.com> <20040122164521.GF15271@stop.crashing.org> <401052D1.4040306@mvista.com> <20040122225209.GS15271@stop.crashing.org> In-Reply-To: <20040122225209.GS15271@stop.crashing.org> 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: 1834 Lines: 44 Tom Rini wrote: > On Thu, Jan 22, 2004 at 02:46:41PM -0800, George Anzinger wrote: > >>Tom Rini wrote: >> >>> >>>FWIW, this is true of KGDB on all PPCs. IIRC, so long as the serial >>>definitions are filled out statically, the stub currently in kernel.org >>>for PPC can do first-line-of-C already. >>> >>> >>> >>>>How about changing the code in kgdbstub to allow kgdb to be configured in >>>>one of the following ways: >>>>Late kgdb - kgdb comes up after smp_init in the kernel boot sequence. >>>>kgdb8250 can be used with more flexibility through kernel command line >>>>options. One can boot a kgdb kernel without activating kgdb. Works with >>>>the interface chosen by kernel command line (kgdb8250 and kgdbeth for the >>>>moment). >> >>A further thought on this. I think kgdb should take control on oops, panic >>and other bad news things. This without being anthing but configured in. >>Thus the command line options to set up the interface, etc, should not >>automatically connect to gdb. > > > *confused look* it doesn't do this already on i386? I'm fairly certain > that it does on PPC, regardless of the stub (since I've got this wierd > panic happening on my testbox right now, but kgdb is kicking in..) > Oh, I think it does, but I have seen code that I thought (possibly incorrectly) tried to connect to gdb as part of configuring the interface. This is what I don't want to see. -- 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/