[dpdk-dev] vfio error

Stephen Hemminger stephen at networkplumber.org
Sun Apr 4 17:15:20 CEST 2021


Look at kernel log (dmesg).
Probably  you don't  have VT-d enabled.

On Sun, Apr 4, 2021, 7:40 AM hamidreza Kheirabadi <
hamidreza.kheirabadi at gmail.com> wrote:

> Hi,
> I have a dpdk application which binds nic with igb_uio. My problem is
> whenever the kernel updates, I must recompile igb_uio.ko as well.
> I want to use vfio instead but I got an error:
>
> Error: bind failed for 0000:06:00.0 - Cannot bind to driver vfio-pci
> Error: unbind failed for 0000:06:00.0 - Cannot open
> /sys/bus/pci/drivers//unbind
>
> I used ubuntu 20.04 and dpdk-18.05 and use dpdk-setup.py helper script
>
> Regards,
> hamid
>


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