I am using two virtio network adapter on VM on KVM host. As in following output, I have bound both interface with igb_uio driver
./dpdk_nic_bind.py --bind=igb_uio 00:0a.0 ./dpdk_nic_bind.py --bind=igb_uio 00:0b.0 [root at localhost tools]# ./dpdk_nic_bind.py --status Network devices using DPDK-compatible driver ============================================ 0000:00:0a.0 'Virtio network device' drv=igb_uio unused= 0000:00:0b.0 'Virtio network device' drv=igb_uio unused= Network devices using kernel driver =================================== 0000:00:03.0 'RTL-8100/8101L/8139 PCI Fast Ethernet Adapter' if=ens3 drv=8139cp unused=igb_uio *Active* 0000:00:08.0 'Virtio network device' if= drv=virtio-pci unused=igb_uio 0000:00:09.0 'Virtio network device' if= drv=virtio-pci unused=igb_uio Other network devices ===================== <none> But when I run basic fowarding example from skeleton, I get following error ./basicfwd -c 1 -n 2 EAL: Detected lcore 0 as core 0 on socket 0 EAL: Support maximum 128 logical core(s) by configuration. EAL: Detected 1 lcore(s) EAL: Probing VFIO support... EAL: Module /sys/module/vfio_pci not found! error 2 (No such file or directory) EAL: VFIO modules not loaded, skipping VFIO support... EAL: Setting up physically contiguous memory... EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f75de400000 (size = 0x200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f75de000000 (size = 0x200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f75ddc00000 (size = 0x200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f75dd800000 (size = 0x200000) EAL: Ask a virtual area of 0x27400000 bytes EAL: Virtual area found at 0x7f75b6200000 (size = 0x27400000) EAL: Ask a virtual area of 0x4a00000 bytes EAL: Virtual area found at 0x7f75b1600000 (size = 0x4a00000) EAL: Ask a virtual area of 0x1200000 bytes EAL: Virtual area found at 0x7f75b0200000 (size = 0x1200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f75afe00000 (size = 0x200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f75afa00000 (size = 0x200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f75af600000 (size = 0x200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f75af200000 (size = 0x200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f75aee00000 (size = 0x200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f75aea00000 (size = 0x200000) EAL: Requesting 370 pages of size 2MB from socket 0 EAL: TSC frequency is ~1696081 KHz EAL: WARNING: cpu flags constant_tsc=yes nonstop_tsc=no -> using unreliable clock cycles ! EAL: Master lcore 0 is ready (tid=df5298c0;cpuset=[0]) EAL: PCI device 0000:00:08.0 on NUMA socket -1 EAL: probe driver: 1af4:1000 rte_virtio_pmd EAL: Not managed by a supported kernel driver, skipped Segmentation fault Please let me know what is the correct method to run the basic forwarding application.
