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From: Hezy Abudy <hezyabudy@gmail.com>
Date: Wed, 30 Dec 2020 15:32:46 +0200
Message-ID: <CAEg=hmHQUG1C-Q10=m_b_yqmZ2g_SjeO8G=9-foUDVSnPztDfA@mail.gmail.com>
To: Farbod <fshahinfar1@gmail.com>, users@dpdk.org
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Subject: Re: [dpdk-users] Unable to bind intel NIC X710
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My application already uses igb_uio.
I am trying to change for vfio-pci in order to run my application without
root permissions.
I fixed the issue with the bind by adding this: "intel_iommu=on iommu=pt"
to the grub file.
Now i having another problem:

EAL:   0000:06:00.0 failed to select IOMMU type


dmesg output:

[11597.560394] vfio-pci 0000:06:00.1: Device is ineligible for IOMMU domain
attach due to platform RMRR requirement.  Contact your platform vendor.


On Wed, Dec 30, 2020 at 1:16 PM Farbod <fshahinfar1@gmail.com> wrote:

> Hi,
>
>
> Have you tried DPDK IGB_UIO driver?
>
> Check this link: https://doc.dpdk.org/guides/linux_gsg/linux_drivers.html
>
> In the UIO section there is a little information about `igb_uio`.
>
>
> I guess you should load the kernel module in the DPDK for igb_uio and then
> bind your port using that driver instead of vfio.
>
>
> Thanks
>
> ~ Farbod
>
>
> <http://git.dpdk.org/dpdk-kmods>
> On 12/30/20 11:32 AM, Hezy Abudy wrote:
>
> Hi All,
>
> I am trying to bind this nic I40E:
>
> Ethernet Controller X710 for 10GbE backplane 1581
>
>
> my OS is ubuntu 18.04
> kernel: 4.15.0-74-generic
>
>
> I used dpdk-setup.sh to Insert VFIO module.
> i also add iommu=on to grub file.
>
>
> running devbind command:
>
> sudo ./dpdk-devbind.py -b vfio-pci 02:00.1
>
> i Got this erros:
>
> Error: bind failed for 0000:02:00.1 - Cannot bind to driver vfio-pci
>
>
> dmesg output:
>
> [ 5091.393436] vfio-pci*: probe of 0000:02:00.1 failed with error -22*
>
>
> Thanks,
>
> Hezy.
>
>