From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752808AbaGJMNK (ORCPT ); Thu, 10 Jul 2014 08:13:10 -0400 Received: from mail-wi0-f179.google.com ([209.85.212.179]:35704 "EHLO mail-wi0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750945AbaGJMNI convert rfc822-to-8bit (ORCPT ); Thu, 10 Jul 2014 08:13:08 -0400 From: Fabio Coatti To: Peter Zijlstra Cc: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, eranian@google.com, mingo@elte.hu, acme@redhat.com, ak@linux.intel.com, zheng.z.yan@intel.com Subject: Re: WARNING: CPU: 2 PID: 1 at arch/x86/mm/ioremap.c:171 __ioremap_caller+0x290/0x2fa() Date: Thu, 10 Jul 2014 14:13:04 +0200 Message-ID: <2093681.h3dgJ8rFNA@calvin> User-Agent: KMail/4.13.2 (Linux/3.15.4; KDE/4.13.2; x86_64; ; ) In-Reply-To: <20140710085448.GE12054@laptop.lan> References: <20140710085208.GD12054@laptop.lan> <20140710085448.GE12054@laptop.lan> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="iso-8859-1" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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... -- Fabio