From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750758AbYF1HsT (ORCPT ); Sat, 28 Jun 2008 03:48:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754533AbYF1HsL (ORCPT ); Sat, 28 Jun 2008 03:48:11 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:46350 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754217AbYF1HsK (ORCPT ); Sat, 28 Jun 2008 03:48:10 -0400 Date: Sat, 28 Jun 2008 09:47:53 +0200 From: Ingo Molnar To: Yinghai Lu Cc: Thomas Gleixner , "H. Peter Anvin" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] x86: fix init_memory_mapping over boundary v2 Message-ID: <20080628074753.GA1856@elte.hu> References: <200806251748.06743.yhlu.kernel@gmail.com> <200806252151.29028.yhlu.kernel@gmail.com> <200806271538.46829.yhlu.kernel@gmail.com> <200806272247.11971.yhlu.kernel@gmail.com> <20080628063500.GA15710@elte.hu> <20080628070243.GA31342@elte.hu> <86802c440806280022l76ef93c4kd18c578cdaba421a@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <86802c440806280022l76ef93c4kd18c578cdaba421a@mail.gmail.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Yinghai Lu wrote: > On Sat, Jun 28, 2008 at 12:02 AM, Ingo Molnar wrote: > > > > * Ingo Molnar wrote: > > > >> * Yinghai Lu wrote: > >> > >> > some end boundary is only page alignment, instead of 2M alignment, so > >> > call ker_phycial_mapping_init three times. then don't overmap above > >> > the max_low_pfn > >> > >> applied to tip/x86/unify-setup, thanks Yinghai. > > > > -tip testing found a 32-bit spontaneous reboot during bootup, with this > > config: > > > > http://redhat.com/~mingo/misc/config-Sat_Jun_28_08_43_52_CEST_2008.bad > > > > no serial log produced at all. > even with console=uart8250,io,0x03f8,115200n8 ? correct, i use earlyprintk=serial,ttyS0,115200. i just re-tested it - doing "git merge tip/x86/unify-setup" in the tip/master branch triggers the failure with that config on a wide range of 32-bit boxes. Ingo