Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757349Ab0F3WEq (ORCPT ); Wed, 30 Jun 2010 18:04:46 -0400 Received: from mga11.intel.com ([192.55.52.93]:6052 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754602Ab0F3WEp (ORCPT ); Wed, 30 Jun 2010 18:04:45 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.53,515,1272870000"; d="scan'208";a="581597149" Message-ID: <4C2BBF7C.20004@intel.com> Date: Wed, 30 Jun 2010 15:04:44 -0700 From: Dan Williams User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.10) Gecko/20100512 Thunderbird/3.0.5 MIME-Version: 1.0 To: Chris Li CC: "Woodhouse, David" , linux-kernel Subject: Re: BUG in drivers/dma/ioat/dma_v2.c:314 References: <4C29420D.2010406@intel.com> <4C2A8879.8010000@intel.com> <4C2AC55E.3040303@intel.com> <1277923422.16256.8.camel@localhost> <4C2B9DAC.1030806@intel.com> <1277928125.18854.0.camel@localhost> <4C2BBACF.3080405@intel.com> In-Reply-To: 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 Content-Length: 760 Lines: 21 On 6/30/2010 2:59 PM, Chris Li wrote: > On Wed, Jun 30, 2010 at 2:44 PM, Dan Williams wrote: >> >> Chris, is there a BIOS update available for your platform? > > You mean the EFI firmware update? Nope. > > Do you think loading linux via EFI instead of boot camp (BIOS) will help? > ...only if the EFI boot process hands Linux a correct (i.e. complete) DMAR table. I suspect native EFI and legacy BIOS boot would still end up passing the same table, but I don't know for sure. -- Dan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/