Hi, I am running the dpdk git repo which already had commit ac5e1d838dc (virtio: skip error when probing kernel managed device), but in my test, it seems still taking control of the kernel managed virtio device and segmentation fault, here is the example:
# ./tools/dpdk_nic_bind.py --status Network devices using DPDK-compatible driver ============================================ 0000:00:07.0 'Virtio network device' drv=igb_uio unused= 0000:00:08.0 'Virtio network device' drv=igb_uio unused= Network devices using kernel driver =================================== 0000:00:03.0 'Virtio network device' if= drv=virtio-pci unused=igb_uio #./x86_64-native-linuxapp-gcc/app/testpmd -c 0xf -n 4 -- -i EAL: Detected 4 lcore(s) EAL: Probing VFIO support... EAL: WARNING: cpu flags constant_tsc=yes nonstop_tsc=no -> using unreliable clock cycles ! EAL: PCI device 0000:00:03.0 on NUMA socket -1 EAL: probe driver: 1af4:1000 rte_virtio_pmd PMD: vtpci_init(): trying with legacy virtio pci. Segmentation fault (core dumped) if I blacklist 0000:00:03.0 from testpmd, testpmd works: # ./x86_64-native-linuxapp-gcc/app/testpmd -c 0xf -n 4 -b 0000:00:03.0 -- -i EAL: Detected 4 lcore(s) EAL: Probing VFIO support... EAL: WARNING: cpu flags constant_tsc=yes nonstop_tsc=no -> using unreliable clock cycles ! EAL: PCI device 0000:00:03.0 on NUMA socket -1 EAL: PCI device 0000:00:07.0 on NUMA socket -1 EAL: probe driver: 1af4:1000 rte_virtio_pmd PMD: virtio_read_caps(): no modern virtio pci device found. PMD: vtpci_init(): trying with legacy virtio pci. EAL: PCI device 0000:00:08.0 on NUMA socket -1 EAL: probe driver: 1af4:1000 rte_virtio_pmd PMD: virtio_read_caps(): no modern virtio pci device found. PMD: vtpci_init(): trying with legacy virtio pci. Interactive-mode selected Configuring Port 0 (socket 0) rte_eth_dev_config_restore: port 0: MAC address array not supported Port 0: 52:54:00:EA:6E:3E Configuring Port 1 (socket 0) rte_eth_dev_config_restore: port 1: MAC address array not supported Port 1: 52:54:00:24:06:DB Checking link statuses... Port 0 Link Up - speed 10000 Mbps - full-duplex Port 1 Link Up - speed 10000 Mbps - full-duplex Done testpmd>
