Re: AMD IOMMU + SME + amdgpu regression

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To: "Alex Xu (Hello71)" <alex_y_xu@xxxxxxxx>
Subject: Re: AMD IOMMU + SME + amdgpu regression
From: Joerg Roedel <jroedel@xxxxxxx>
Date: Mon, 22 Jun 2020 12:02:57 +0200
Cc: Joerg Roedel <joro@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, David Rientjes <rientjes@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Will Deacon <will@xxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, Kukjin Kim <kgene@xxxxxxxxxx>, Krzysztof Kozlowski <krzk@xxxxxxxxxx>, David Woodhouse <dwmw2@xxxxxxxxxxxxx>, Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>, Andy Gross <agross@xxxxxxxxxx>, Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>, Matthias Brugger <matthias.bgg@xxxxxxxxx>, Rob Clark <robdclark@xxxxxxxxx>, Heiko Stuebner <heiko@xxxxxxxxx>, Gerald Schaefer <gerald.schaefer@xxxxxxxxxx>, Thierry Reding <thierry.reding@xxxxxxxxx>, Jonathan Hunter <jonathanh@xxxxxxxxxx>, Jean-Philippe Brucker <jean-philippe@xxxxxxxxxx>, Daniel Drake <drake@xxxxxxxxxxxx>, jonathan.derrick@xxxxxxxxx, linux-samsung-soc@xxxxxxxxxxxxxxx, linux-arm-msm@xxxxxxxxxxxxxxx, linux-mediatek@xxxxxxxxxxxxxxxxxxx, linux-rockchip@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-tegra@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
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Hi Alex,

On Thu, Jun 11, 2020 at 07:05:21PM -0400, Alex Xu (Hello71) wrote:
> I am using an ASRock B450 Pro4 with Ryzen 1600 and ASUS RX 480. I don't 
> understand this code at all, but let me know what I can do to 
> troubleshoot.

Does it boot without SME enabled?


Regards,

	Joerg

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