From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932249AbaGISt5 (ORCPT ); Wed, 9 Jul 2014 14:49:57 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:47211 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751294AbaGISt4 (ORCPT ); Wed, 9 Jul 2014 14:49:56 -0400 Date: Wed, 9 Jul 2014 11:54:21 -0700 From: Greg Kroah-Hartman To: Fabio Coatti Cc: linux-kernel@vger.kernel.org Subject: Re: WARNING: CPU: 2 PID: 1 at arch/x86/mm/ioremap.c:171 __ioremap_caller+0x290/0x2fa() Message-ID: <20140709185421.GB20302@kroah.com> References: <20140707204747.GA24934@kroah.com> <1502740.TF1NxA0qsa@calvin> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1502740.TF1NxA0qsa@calvin> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 09, 2014 at 08:41:17PM +0200, Fabio Coatti wrote: > In data luned́ 7 luglio 2014 13:47:47, Greg Kroah-Hartman ha scritto: > > On Mon, Jul 07, 2014 at 10:32:56PM +0200, Fabio Coatti wrote: > > > I'm seeing this message in latest kernels (this is from 3.15.4, but I have > > > same > > > message starting from 3.15.0, IIRC): > > So 3.14.0 didn't show this? > > > > If so, can you run 'git bisect' between those two kernel versions to try > > to track down the issue? > > > > thanks, > > > > greg k-h > ok, I tried to bisect as suggested and got the commit reported below. However > I'm not really sure to have got the right one, as one kernel refused to > compile during the last steps. However I post here the result, maybe they can > be useful. 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. thanks, greg k-h