Hi Hemant, Thanks a lot for the reply.
Inserting vfio-pci driver worked for us and the virtio devices are accessible to vpp. But incase we want to remove the virtual nic device from vpp , and trying to unbind the device , we are getting the following error: $ sudo dpdk-devbind -u vfio-pci 0000:00:04.0 Traceback (most recent call last): File "/sbin/dpdk-devbind", line 744, in <module> main() File "/sbin/dpdk-devbind", line 741, in main do_arg_actions() File "/sbin/dpdk-devbind", line 706, in do_arg_actions unbind_all(args, force_flag) File "/sbin/dpdk-devbind", line 504, in unbind_all for d in dev_list: File "/sbin/dpdk-devbind", line 352, in dev_id_from_dev_name "Please specify device in \"bus:slot.func\" format" % dev_name) ValueError: Unknown device: vfio-pci. Please specify device in "bus:slot.func" format We have stopped VPP before trying to unbind our device. What can we do to avoid this error ? Thanks and Regards, Ashish
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