Message-ID: <51CE768C.3030102@01019freenet.de>
Date: Sat, 29 Jun 2013 07:54:20 +0200
From: Andreas Hartmann <andihartmann@01019freenet.de>
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To: Joerg Roedel <joro@8bytes.org>,
        Alex Williamson <alex.williamson@redhat.com>
CC: LKML <linux-kernel@vger.kernel.org>
Subject: Re: [ 102/127] iommu/amd: Workaround for ERBT1312
References: <lhtAZ-q1-5@gated-at.bofh.it> <lhtB1-q1-53@gated-at.bofh.it> <20130628181136.52d00e9c@dualc.maya.org> <20130628182533.GT11309@8bytes.org> <51CDD8FD.808@01019freenet.de> <20130628192319.GV11309@8bytes.org>
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Joerg Roedel wrote:
> Alex, Andreas,
> 
> On Fri, Jun 28, 2013 at 08:42:05PM +0200, Andreas Hartmann wrote:
>> You're right, there is exactly one entry directly after loading of vfio.
>> I can see this message, too, with linux 3.4.43.
> 
> Can you please test this patch? It should reduce the noise
> significantly, but a few of those error messages are still expected.

Sorry, but it doesn't work for me at all :-(. Behaviour is unchanged. It
is exactly as described in the other mail: at the moment of binding vfio
to 14.0, the fire begins.

echo "1002 4385" > /sys/bus/pci/drivers/vfio-pci/new_id
echo 0000:00:14.0 > /sys/bus/pci/devices/0000:00:14.0/driver/unbind
echo 0000:00:14.0 > /sys/bus/pci/drivers/vfio-pci/bind


Regards,
Andreas
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