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 40AE3C31E40 for ; Mon, 10 Jun 2019 14:54:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1979F20859 for ; Mon, 10 Jun 2019 14:54:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="BVi3rXe2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391006AbfFJOy0 (ORCPT ); Mon, 10 Jun 2019 10:54:26 -0400 Received: from mail-vk1-f196.google.com ([209.85.221.196]:39673 "EHLO mail-vk1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388373AbfFJOyZ (ORCPT ); Mon, 10 Jun 2019 10:54:25 -0400 Received: by mail-vk1-f196.google.com with SMTP id o19so890064vkb.6 for ; Mon, 10 Jun 2019 07:54:24 -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=HBy9mlIx6f1ckhMxMH/Wiz5DhTWHFCPX4zeEAJIdzTE=; b=BVi3rXe2/KugjTlNlPcpf2KyS+kd6TzwaRjTYOBqUDoP0ySDW/7ANUn8qtvQeomFq0 6NZkgIcpD29Z3NxCclmpssuc0uVdNWF/wsPBaCYsCMDDlRnB7gA8HNTFnxkcvE+yoFZL T48YcrPMHqQ4HlFJRTYzpQaClRTfGfFufgI0HC/jSCLO6izLfC+0XMKVxHJbM+1bu3az 1n6G47VzZzlpXRhQBBjUrwl5+X2gT1pSzs9o+YgzJsMfgKBbdLmODs/nBFQKv6WIWJIR 4rzIv0v7W3WBtucArXz7IFPGU57HAS0TdXmyPwGWyul64U8BxsLVcPivqi7gJqx/QSyZ VFiQ== 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=HBy9mlIx6f1ckhMxMH/Wiz5DhTWHFCPX4zeEAJIdzTE=; b=SQsesp6qobAqylvD5klPJXRJwYEg4NMQ3y7NYwwLXZA2flRUsh5oiWeZk6pVwilIxY 1QfmaPWyXyTSfnwAUTnBx9Ity7J5aB7OgFoyzYwVCIFYFNllM03GvVZboZ8RxsxDN7P+ jaIIyUbSJXuiYSuF1AwbzTsy7UXBLGwO+sITHlC+ny9svpDjteiXWpE9/4mf4iBU2BcQ bKIt1zbIi8CvxdGYqOWpA+M4AoNPqngdN2EHForY3pGhkuOXQvMV7TXZNoMW2OUz9AnR xsP8GEfAlBxBVT/iiNWJvRSEKZkUmJWJer8CmjjHae37gsb6FstFslX1fpiFNxnDjGBz 6uKw== X-Gm-Message-State: APjAAAUtFIlU47ycafNHDD8zkGOsmNUizQc3+JcfQGps2UIJ0Y3QhpOJ rcGQ/NB1B8iqY35A+ZGOruwLAw== X-Google-Smtp-Source: APXvYqxYzZy8GY/dH4++ulBqMjOZ+eAp+O+p7QamjiVEJcLK5ZjpBYUCIQg3RTAriMJkMKHnoI/wAw== X-Received: by 2002:a1f:ff17:: with SMTP id p23mr3910123vki.62.1560178464373; Mon, 10 Jun 2019 07:54:24 -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 z10sm983720vsn.23.2019.06.10.07.54.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 10 Jun 2019 07:54:23 -0700 (PDT) Message-ID: <1560178459.6132.66.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 10:54:19 -0400 In-Reply-To: <1560174264.6132.65.camel@lca.pw> References: <1559941717.6132.63.camel@lca.pw> <1e4f0642-e4e1-7602-3f50-37edc84ced50@linux.intel.com> <1560174264.6132.65.camel@lca.pw> 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 Mon, 2019-06-10 at 09:44 -0400, Qian Cai wrote: > 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=AMC35QKPIZBYUM > FUQKLW4ZC47ZPIK This one should be good to view. https://cailca.github.io/files/dmesg.txt