From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83C2CC28CC7 for ; Mon, 10 Jun 2019 13:44:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3182220859 for ; Mon, 10 Jun 2019 13:44:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="gbzpln5z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390468AbfFJNo2 (ORCPT ); Mon, 10 Jun 2019 09:44:28 -0400 Received: from mail-qt1-f173.google.com ([209.85.160.173]:34100 "EHLO mail-qt1-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390156AbfFJNo1 (ORCPT ); Mon, 10 Jun 2019 09:44:27 -0400 Received: by mail-qt1-f173.google.com with SMTP id m29so10623999qtu.1 for ; Mon, 10 Jun 2019 06:44:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lca.pw; s=google; h=message-id:subject:from:to:cc:date:in-reply-to:references :mime-version:content-transfer-encoding; bh=8GlOa5AWYuEy0cWvebNNXvbMhWK/SQlKTGvJR13KtDA=; b=gbzpln5zVB/PmXT2iLPA2ElaWr7aWY2nH1tfDMLxhJfyFw308Aows7Vkwh6+ziHcF2 kmLhlxUIPq+R5xUr6Y1HWkLjOD6d1jRhEpK/2YPPYdoAFTCQjXbtiUuMVg0ZaeVucMic tk64cfUrhw2NNp0bl71PHE+ENt4l1UmK6NbMBIOz+FoISsdZheM7E1rsVv78/JZSQ6C6 MEB5+/LhkEzAmY/G8xpKM0EU3VoY+Sncc2/rJlgzyeRhG3GWUuSJ1IWPxmuEAFCcngSi BGb2O4tqn1tRSh7QaRiuBYCafjDEHWEIum7HyVQW0ZZy7xhZDIP3M0xb+0ls4tgxj1Po 6gWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:mime-version:content-transfer-encoding; bh=8GlOa5AWYuEy0cWvebNNXvbMhWK/SQlKTGvJR13KtDA=; b=cMXUEsOpPY+DNvQ+hdCEAuYghomtxUqM8L9Uqg/8pURiKt5HL9gX+NUPNog9trErxk gOpBUT+8wL9X+1i+HxsPKfmkX5YTVS1lz8iygMZlW37PIKZqRk+aZM9zDPnEVHD3e3Q1 +N4Yx2j2FVWXIhnrDxsJn9CppoK7vXEhZ4nE7NSwh7NknpwdM3dTeKYIdP510JQNra23 coLNQSU4zOgQtUZUBt8SCncjk+/xCzmo7SBbl4VQaYHWSdFb88KHNG7fNZBluVbodkt3 BNONGN8BYwZUkoMX3AfZpSTJWLxlcbVITQ/YYezoD4Ao12AtCKOAZAvvBrHN3QychBF4 qpBA== X-Gm-Message-State: APjAAAURQ94xXXLksUJljF9Xhp5pSDgl7FfQx5Ubmgf0BG8AFcfBGD5d s6UwGpuLkMrhrmrV8ipJRmRqdQ== X-Google-Smtp-Source: APXvYqzsCSsuUTOm+LNiBGW6RDxOvX0evmGXIygd9Tj5u7Y3Eee+b96fQyqmG3L8e4oFYbo6YbCzCg== X-Received: by 2002:ac8:595:: with SMTP id a21mr33144837qth.257.1560174266903; Mon, 10 Jun 2019 06:44:26 -0700 (PDT) Received: from dhcp-41-57.bos.redhat.com (nat-pool-bos-t.redhat.com. [66.187.233.206]) by smtp.gmail.com with ESMTPSA id q56sm2634272qtq.64.2019.06.10.06.44.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 10 Jun 2019 06:44:26 -0700 (PDT) Message-ID: <1560174264.6132.65.camel@lca.pw> Subject: Re: "iommu/vt-d: Delegate DMA domain to generic iommu" series breaks megaraid_sas From: Qian Cai To: Lu Baolu Cc: James Sewart , Joerg Roedel , iommu@lists.linux-foundation.org, "linux-kernel@vger.kernel.org" , Kashyap Desai , Sumit Saxena , Shivasharan S Date: Mon, 10 Jun 2019 09:44:24 -0400 In-Reply-To: <1e4f0642-e4e1-7602-3f50-37edc84ced50@linux.intel.com> References: <1559941717.6132.63.camel@lca.pw> <1e4f0642-e4e1-7602-3f50-37edc84ced50@linux.intel.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6 (3.22.6-10.el7) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2019-06-09 at 10:43 +0800, Lu Baolu wrote: > Hi Qian, > > I just posted some fix patches. I cc'ed them in your email inbox as > well. Can you please check whether they happen to fix your issue? > If not, do you mind posting more debug messages? Unfortunately, it does not work. Here is the dmesg. https://raw.githubusercontent.com/cailca/tmp/master/dmesg?token=AMC35QKPIZBYUMFU QKLW4ZC47ZPIK