From: David Woodhouse Subject: RE: DMAR regression in 2.6.31 leads to ext4 corruption? Date: Wed, 14 Oct 2009 16:34:23 +0100 Message-ID: <1255534463.5351.2.camel@macbook.infradead.org> References: <20091009061729.GA31242@hexapodia.org> <20091010000926.GA17547@sequoia.sous-sol.org> <20091010014714.GG30557@hexapodia.org> <1255522166.4523.238.camel@macbook.infradead.org> <8B1F619C9F5F454E81D90D3C161698D7017DD55F68@EXCH-MBX-3.vmware.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Andy Isaacson , Chris Wright , "iommu@lists.linux-foundation.org" , "linux-ext4@vger.kernel.org" , "linux-kernel@vger.kernel.org" To: Bhavesh Davda Return-path: Received: from casper.infradead.org ([85.118.1.10]:37652 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932190AbZJNPfT (ORCPT ); Wed, 14 Oct 2009 11:35:19 -0400 In-Reply-To: <8B1F619C9F5F454E81D90D3C161698D7017DD55F68@EXCH-MBX-3.vmware.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Wed, 2009-10-14 at 08:26 -0700, Bhavesh Davda wrote: > [ 0.224001] DRHD: handling fault status reg 3 > [ 0.224003] DMAR:[DMA Write] Request device [00:02.0] fault addr 95e7000 > [ 0.224004] DMAR:[fault reason 05] PTE Write access is not set It's harmless. Your BIOS just isn't completely initialising the GATT. -- dwmw2