linux-kernel - Re: "iommu/vt-d: Delegate DMA domain to generic iommu" series breaks megaraid

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Message-ID: <1560174264.6132.65.camel@lca.pw>
Date:   Mon, 10 Jun 2019 09:44:24 -0400
From:   Qian Cai <cai@....pw>
To:     Lu Baolu <baolu.lu@...ux.intel.com>
Cc:     James Sewart <jamessewart@...sta.com>,
        Joerg Roedel <jroedel@...e.de>,
        iommu@...ts.linux-foundation.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Kashyap Desai <kashyap.desai@...adcom.com>,
        Sumit Saxena <sumit.saxena@...adcom.com>,
        Shivasharan S <shivasharan.srikanteshwara@...adcom.com>
Subject: Re: "iommu/vt-d: Delegate DMA domain to generic iommu" series
 breaks megaraid_sas

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