I am getting following error while running hello world program on VM created by Virt-Manager using ubuntu server 22.04.3 LTS (Manual server installation).
root@dpdk:~/dpdk-22.11.1/build/examples# ./dpdk-helloworld
EAL: Detected CPU lcores: 4
EAL: Detected NUMA nodes: 1
EAL: Detected static linkage of DPDK
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Selected IOVA mode 'PA'
EAL: VFIO support initialized
EAL: Probe PCI driver: net_virtio (1af4:1041) device: 0000:01:00.0 (socket -1)
eth_virtio_pci_init(): Failed to init PCI device
EAL: Requested device 0000:01:00.0 cannot be used
EAL: Probe PCI driver: net_virtio (1af4:1041) device: 0000:02:00.0 (socket -1)
eth_virtio_pci_init(): Failed to init PCI device
EAL: Requested device 0000:02:00.0 cannot be used
EAL: Probe PCI driver: net_e1000_em (8086:10d3) device: 0000:03:00.0 (socket -1)
EAL: Probe PCI driver: net_e1000_em (8086:10d3) device: 0000:04:00.0 (socket -1)
hello from core 1
hello from core 2
hello from core 0
hello from core 3
root@dpdk:~/dpdk-22.11.1/build/examples# dpdk-devbind.py -s
Network devices using DPDK-compatible driver
============================================
0000:03:00.0 '82574L Gigabit Network Connection 10d3' drv=uio_pci_generic unused=e1000e,vfio-pci
0000:04:00.0 '82574L Gigabit Network Connection 10d3' drv=uio_pci_generic unused=e1000e,vfio-pci
Network devices using kernel driver
===================================
0000:01:00.0 'Virtio network device 1041' if=enp1s0 drv=virtio-pci unused=vfio-pci,uio_pci_generic *Active*
0000:02:00.0 'Virtio network device 1041' if=enp2s0 drv=virtio-pci unused=vfio-pci,uio_pci_generic *Active*
Misc (rawdev) devices using kernel driver
=========================================
0000:07:00.0 'Virtio block device 1042' drv=virtio-pci unused=vfio-
pci,uio_pci_generic
No 'Regex' devices detected
===========================
root@dpdk:~/dpdk-22.11.1/build/examples#
Please let me know how to resolve this issue.
Thanks
Pallav Singh