From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933000AbcBPQrs (ORCPT ); Tue, 16 Feb 2016 11:47:48 -0500 Received: from 8bytes.org ([81.169.241.247]:49848 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932117AbcBPQrr (ORCPT ); Tue, 16 Feb 2016 11:47:47 -0500 Date: Tue, 16 Feb 2016 17:47:45 +0100 From: Joerg Roedel To: Valdis Kletnieks Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: DMAR error messages after 'shutdown -r'. Message-ID: <20160216164745.GZ18805@8bytes.org> References: <38172.1455047940@turing-police.cc.vt.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <38172.1455047940@turing-police.cc.vt.edu> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 09, 2016 at 02:59:00PM -0500, Valdis Kletnieks wrote: > [ 0.027629] Freeing SMP alternatives memory: 28K (ffffffff8e111000 - ffffffff8e118000) > [ 0.048199] ftrace: allocating 31090 entries in 122 pages > [ 0.061837] DMAR: Host address width 36 > [ 0.061841] DMAR: DRHD base: 0x000000fed90000 flags: 0x1 > [ 0.061894] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap c9008020660262 ecap f0105a > [ 0.061896] DMAR: RMRR base: 0x000000cdb11000 end: 0x000000cdb30fff > [ 0.061899] DMAR-IR: IOAPIC id 2 under DRHD base 0xfed90000 IOMMU 0 > [ 0.061901] DMAR-IR: HPET id 0 under DRHD base 0xfed90000 > [ 0.061903] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping. > ---- Error here.... > [ 0.062027] DMAR: DRHD: handling fault status reg 2 > [ 0.062034] DMAR: DMAR:[DMA Read] Request device [00:1f.2] fault addr cdacd000 > DMAR:[fault reason 06] PTE Read access is not set > ---- This is probably from a missing RMRR entry for device 00:1f.2. Can you please post full dmesg after boot? Thanks, Joerg