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To: Andriy Berestovskyy <aber@semihalf.com>,
 raman geetha gopalakrishnan <glowingsun@gmail.com>
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From: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
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Date: Mon, 12 Sep 2016 15:55:17 +0100
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Subject: Re: [dpdk-users] Reg VFIO-PCI Error
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Hi,

FYI vfio-pci is not supported inside a VM yet:
https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg04284.html

It is a work in progress (slide 19):
https://dpdksummit.com/Archive/pdf/2016USA/Day02-Session14-FranckBaudin-DPDKUSASummit2016.pdf

Regards,
Sergio

On 12/09/2016 14:51, Andriy Berestovskyy wrote:
> Hey Raman,
> Check dmesg for the details. I guess you have no IOMMU enabled, so you
> should either go ahead and enable it wit intel_iommu=on or use
> uio_pci_generic or igb_uio module instead of vfio-pci.
>
> Regards,
> Andriy
>
>
> On Mon, Sep 12, 2016 at 1:42 PM, raman geetha gopalakrishnan
> <glowingsun@gmail.com> wrote:
>> Hi DPDK-USERS,
>>
>> 1. I have installed DPDK on my virtual-box which runs ubuntu 16.04.1
>> (xenial).
>> 2. My DPDK version is 16.07
>> 3. When i try to bind ethernet device to VFIO module i get the following
>> error
>>
>>      Error: bind failed for 0000:00:08.0 - cannot bind to driver vfio-pci [
>> this is for NIC 82545EM]
>>      debug message gave the rrror
>>      vfio-pci: probe of 0000:00:08.0 failed with error -22
>>
>>
>> Please Advice.
>>
>> Thanks
>> Raman
>
>