[ovs-discuss] Cannot Bind eth0 to Driver vfio-pci

Numan Siddique nusiddiq at redhat.com
Wed Dec 5 14:31:45 UTC 2018


On Wed, Dec 5, 2018 at 4:27 PM Ramzah Rehman <ramzahrehman at gmail.com> wrote:

> I am trying to bind an interface eth0 to vfio driver. I have made sure
> iommu is enabled in grub and kernel. I have loaded the module vfio-pci. Ran
> following commands
>
> #modprobe vfio-pci
> #chmod a+x /dev/vfio
> #chmod 0666 /dev/vfio/*
> #export DPDK_DIR=/usr/src/dpdk-stable-17.11.4
> #sudo $DPDK_DIR/usertools/dpdk-devbind.py --bind=vfio-pci 02:01.0
>
> I got following error:
>
> Error: bind failed for 0000:02:01.0 - Cannot bind to driver vfio-pci
>
> I checked the error in dmesg:
>
> Got :
>
> [ 1815.793823] vfio-pci: probe of 0000:02:01.0 failed with error -22
>
> let me know the reason.
>
>
Maybe posting this to dpdk mailing list could get you some answer.


Best Regards,
> Ramzah Rehman
> _______________________________________________
> discuss mailing list
> discuss at openvswitch.org
> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
>
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