From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752645AbaGJTMq (ORCPT ); Thu, 10 Jul 2014 15:12:46 -0400 Received: from mail-ob0-f181.google.com ([209.85.214.181]:49342 "EHLO mail-ob0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752044AbaGJTMo convert rfc822-to-8bit (ORCPT ); Thu, 10 Jul 2014 15:12:44 -0400 MIME-Version: 1.0 In-Reply-To: <2093681.h3dgJ8rFNA@calvin> References: <20140710085208.GD12054@laptop.lan> <20140710085448.GE12054@laptop.lan> <2093681.h3dgJ8rFNA@calvin> Date: Thu, 10 Jul 2014 21:12:44 +0200 Message-ID: Subject: Re: WARNING: CPU: 2 PID: 1 at arch/x86/mm/ioremap.c:171 __ioremap_caller+0x290/0x2fa() From: Stephane Eranian To: Fabio Coatti Cc: Peter Zijlstra , Greg Kroah-Hartman , LKML , "mingo@elte.hu" , Arnaldo Carvalho de Melo , "ak@linux.intel.com" , "Yan, Zheng" , Bjorn Helgaas Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 10, 2014 at 2:13 PM, Fabio Coatti wrote: > In data giovedì 10 luglio 2014 10:54:48, Peter Zijlstra ha scritto: >> On Thu, Jul 10, 2014 at 10:52:08AM +0200, Peter Zijlstra wrote: >> > On Thu, Jul 10, 2014 at 10:44:21AM +0200, Peter Zijlstra wrote: >> > > On Wed, Jul 09, 2014 at 12:48:05PM -0700, Fabio Coatti wrote: >> > > > In data mercoledì 9 luglio 2014 11:54:21, Greg Kroah-Hartman ha > scritto: >> > > > > Try cc:ing everyone on that patch, with the original information you >> > > > > provided, and the linux-kernel mailing list. Those developers >> > > > > should be >> > > > > able to help you out properly. >> > > > >> > > > Ok, here you can find the description of a problem that I'm >> > > > experiencing on >> > > > latest kernels, since 3.15.0. (this report comes from 3.15.4) >> > > > >> > > > lug 07 22:08:00 calvin kernel: resource map sanity check conflict: >> > > > 0xfed10000 0xfed15fff 0xfed10000 0xfed13fff reserved >> > > > lug 07 22:08:00 calvin kernel: ------------[ cut here ]------------ >> > > >> > > I think this is a 'known' issue on Thinkpad (iirc). For some obscure >> > > reason its BIOS has funny ideas about resources etc. >> > > >> > > I couldn't quickly find the prvious thread, maybe Stephane knows. >> > >> > Found it: >> > lkml.kernel.org/r/20140224162400.GE16457@pd.tnic >> >> Ok, reread that thread and no definite conclusion was found I think. >> Just Thinkpad firmware having overlapping resources. > > > So I guess that this happens also for HP Folio 9470m, not only in thinkpads. I > wonder how many machines shares this behaviour... > Somehow, I thought that Bjorn had proposed a fix for this.