From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756626Ab1LWKeD (ORCPT ); Fri, 23 Dec 2011 05:34:03 -0500 Received: from fep27.mx.upcmail.net ([62.179.121.47]:61527 "EHLO fep27.mx.upcmail.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753906Ab1LWKeA (ORCPT ); Fri, 23 Dec 2011 05:34:00 -0500 X-SourceIP: 178.83.228.246 X-Authenticated-Sender: odi.ch@hispeed.ch Message-ID: <4EF458CD.90300@odi.ch> Date: Fri, 23 Dec 2011 11:32:45 +0100 From: =?ISO-8859-1?Q?Ortwin_Gl=FCck?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111105 Thunderbird/8.0 MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: DMAR log spam Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, 3.2-rc6 with INTEL_IOMMU and INTEL_IOMMU_DEFAULT_ON fills the log with these lines after starting X with the proprietariy nvidia driver. The system becomes unusable after that (appears frozen but I guess it's just too busy writing this log). Ortwin Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in context entry is clear Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2 Dec 23 11:20:43 ortwin-hp kernel: DMAR:[DMA Read] Request device [01:00.0] fault addr 22e2a1000 Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in context entry is clear Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2 Dec 23 11:20:43 ortwin-hp kernel: DMAR:[DMA Read] Request device [01:00.0] fault addr 22e2a1000 Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in context entry is clear Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2 Dec 23 11:20:43 ortwin-hp kernel: DMAR:[DMA Read] Request device [01:00.0] fault addr 22e2a1000 Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in context entry is clear Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2 Dec 23 11:20:43 ortwin-hp kernel: DMAR:[DMA Read] Request device [01:00.0] fault addr 22e2a1000 Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in context entry is clear Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2 Dec 23 11:20:43 ortwin-hp kernel: DMAR:[DMA Read] Request device [01:00.0] fault addr 22e2a1000 Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in context entry is clear Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2 Dec 23 11:20:43 ortwin-hp kernel: DMAR:[DMA Read] Request device [01:00.0] fault addr 22e2a1000 Dec 23 11:20:43 ortwin-hp kernel: DMAR:[fault reason 02] Present bit in context entry is clear Dec 23 11:20:43 ortwin-hp kernel: DRHD: handling fault status reg 2