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	Thu, 4 Feb 2016 11:20:50 -0500
Subject: Re: AMD-Vi: Unable to write to IOMMU perf counter.
To: Andreas Hartmann <andihartmann@01019freenet.de>,
	<linux-pci@vger.kernel.org>
References: <56B365E0.4020100@01019freenet.de>
From: Suravee Suthikulanit <suravee.suthikulpanit@amd.com>
Message-ID: <56B37292.1000201@amd.com>
Date: Thu, 4 Feb 2016 09:47:30 -0600
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Hi Andreas,

On 2/4/2016 8:53 AM, Andreas Hartmann wrote:
> Hello!
>
> The following happens with Linux 4.4.1 during boot on an MSI A78M-E35
> board. Additionally, I attached the complete dmesg.

I was working on upstreaming changes to the AMD IOMMU Perf to fix some 
of the similar issue I saw on a different platform.  Would you please 
check to see if this patch series would fix this?

https://lkml.org/lkml/2016/1/1/141

Thanks,
Suravee