Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964817AbWIKFVc (ORCPT ); Mon, 11 Sep 2006 01:21:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964828AbWIKFVc (ORCPT ); Mon, 11 Sep 2006 01:21:32 -0400 Received: from smtp2-g19.free.fr ([212.27.42.28]:64941 "EHLO smtp2-g19.free.fr") by vger.kernel.org with ESMTP id S964817AbWIKFVb (ORCPT ); Mon, 11 Sep 2006 01:21:31 -0400 Message-ID: <4504F257.7020306@free.fr> Date: Mon, 11 Sep 2006 07:21:27 +0200 From: Laurent Riffard User-Agent: Mozilla/5.0 (X11; U; Linux i686; fr-FR; rv:1.8.0.5) Gecko/20060405 SeaMonkey/1.0.3 MIME-Version: 1.0 To: Jeremy Fitzhardinge CC: Andrew Morton , Ingo Molnar , Andi Kleen , Arjan van de Ven , Kernel development list , Jeremy Fitzhardinge Subject: Re: 2.6.18-rc6-mm1: GPF loop on early boot References: <20060908011317.6cb0495a.akpm@osdl.org> <200609101032.17429.ak@suse.de> <20060910115722.GA15356@elte.hu> <200609101334.34867.ak@suse.de> <20060910132614.GA29423@elte.hu> <20060910093307.a011b16f.akpm@osdl.org> <450499D3.5010903@goop.org> In-Reply-To: <450499D3.5010903@goop.org> X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1434 Lines: 39 Le 11.09.2006 01:03, Jeremy Fitzhardinge a ?crit : > Andrew Morton wrote: >> I must say that having an unreliable early-current is going to be quite a >> pita for evermore. Things like mcount-based tricks and >> basic-block-profiling-based tricks, for example. >> >> Is it really going to be too messy to fake up some statically-defined gdt >> which points at init_task, install that before we call any C at all? > > That's on my TODO list - make %gs set correctly before hitting C code, > and get rid of all the early_* stuff. I had already encountered a > PDA-related oops with lockdep enabled, and addressed it. > > It's pretty easy to solve in general for the boot CPU, but its a bit > more tricky to handle for secondary CPUs. > > Laurent, could you resend your original oops? It doesn't seem to have > appeared on lkml. I guess my original mail was too big. Sorry for that. Please go to http://laurent.riffard.free.fr/2.6.18-rc6-mm1/, you'll find the files I sent in my first post: * DSC02674.jpg (96k): screenshot of first GPF * config-2.6.18-rc6-mm1 (48k) * dmesg-2.6.18-rc6-mm1 (25k) > In the meantime, I'll work on a proper fix for this. > > J -- laurent - 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/