From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761678AbcALBTi (ORCPT ); Mon, 11 Jan 2016 20:19:38 -0500 Received: from smtp.infotech.no ([82.134.31.41]:52106 "EHLO smtp.infotech.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759116AbcALBTg (ORCPT ); Mon, 11 Jan 2016 20:19:36 -0500 Reply-To: dgilbert@interlog.com From: Douglas Gilbert Subject: Linux 4.4: warning ioremap.c:198 To: linux-kernel Message-ID: <569454A1.9030005@interlog.com> Date: Tue, 12 Jan 2016 02:19:29 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Just noticed the warning shown below in lk 4.4 . Checked my previous kernel which was lk 4.3.3 and it gets the warning as well. The machine is a Lenovo X240 laptop. Doug Gilbert ... resource sanity check: requesting [mem 0xfed10000-0xfed15fff], which spans more than pnp 00:01 [mem 0xfed10000-0xfed13fff] ------------[ cut here ]------------ WARNING: CPU: 2 PID: 1 at arch/x86/mm/ioremap.c:198 __ioremap_caller+0x205/0x360() Info: mapping multiple BARs. Your kernel is fine. Modules linked in: CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.4.0 #243 Hardware name: LENOVO 20ALCTO1WW/20ALCTO1WW, BIOS GIET75WW (2.25 ) 06/24/2014 ffffffff817fbf6b ffff880119963ba0 ffffffff813151dc ffff880119963be8 ffff880119963bd8 ffffffff81055f76 ffffc90000068000 ffffc90000068000 00000000fed10000 0000000000000000 ffff8800c9d10fc0 ffff880119963c38 Call Trace: [] dump_stack+0x4e/0x82 [] warn_slowpath_common+0x86/0xc0 [] warn_slowpath_fmt+0x4c/0x50 [] ? iomem_map_sanity_check+0x97/0xd0 [] __ioremap_caller+0x205/0x360 [] ioremap_nocache+0x17/0x20 [] snb_uncore_imc_init_box+0x6d/0x90 [] uncore_pci_probe+0xc5/0x1d0 [] pci_device_probe+0x8c/0x100 [] driver_probe_device+0x1fb/0x310 [] __driver_attach+0x88/0x90 [] ? driver_probe_device+0x310/0x310 [] bus_for_each_dev+0x66/0xa0 [] driver_attach+0x1e/0x20 [] bus_add_driver+0x1b8/0x230 [] ? uncore_types_exit+0x26/0x26 [] driver_register+0x60/0xe0 [] __pci_register_driver+0x5d/0x60 [] intel_uncore_init+0xe2/0x2d1 [] ? uncore_types_exit+0x26/0x26 [] do_one_initcall+0x99/0x1e0 [] kernel_init_freeable+0x1ac/0x236 [] ? rest_init+0x140/0x140 [] kernel_init+0xe/0xe0 [] ret_from_fork+0x3f/0x70 [] ? rest_init+0x140/0x140 ---[ end trace c7054f9c46af802f ]---