Hi, When initialing the DPDK failed with the Below error on VMXNet3:
*Aug 9 14:05:34 vprobe rat_dpdk_sniffer[10768]: EAL: Probing VFIO support...Aug 9 14:05:34 vprobe rat_dpdk_sniffer[10768]: EAL: PCI device 0000:02:00.0 on NUMA socket -1Aug 9 14:05:34 vprobe rat_dpdk_sniffer[10768]: EAL: Invalid NUMA socket, default to 0Aug 9 14:05:34 vprobe rat_dpdk_sniffer[10768]: EAL: probe driver: 8086:100f net_e1000_emAug 9 14:05:34 vprobe rat_dpdk_sniffer[10768]: EAL: PCI device 0000:03:00.0 on NUMA socket 0Aug 9 14:05:34 vprobe kernel: igb_uio 0000:03:00.0: uio device registered with irq 58Aug 9 14:05:34 vprobe rat_dpdk_sniffer[10768]: EAL: probe driver: 15ad:7b0 net_vmxnet3Aug 9 14:05:34 vprobe rat_dpdk_sniffer[10768]: PANIC in rte_eth_dev_shared_data_prepare():Aug 9 14:05:34 vprobe rat_dpdk_sniffer[10768]: Cannot allocate ethdev shared data* With the BackTrace pointing to : *(gdb) bt#0 0x00007ffff54612c7 in raise () from /lib64/libc.so.6#1 0x00007ffff54629b8 in abort () from /lib64/libc.so.6#2 0x00000000004eab34 in __rte_panic ()#3 0x000000000050cbf8 in rte_eth_dev_shared_data_prepare ()#4 0x000000000050de1c in rte_eth_dev_allocate ()#5 0x0000000000667025 in eth_vmxnet3_pci_probe ()#6 0x00000000005b4178 in pci_probe_all_drivers ()#7 0x00000000005b42bc in rte_pci_probe ()#8 0x000000000053642c in rte_bus_probe ()#9 0x00000000005242ee in rte_eal_init ()#10 0x00000000006c24c7 in rat::dpdk::init (cfg=...) at ../../rat/src/sniffer/dpdk_utils.cc:71* The sample application testpmd was running successfully: *[root@vprobe test-pmd]# ./testpmd -l 0-3 -n 4 -- -i --portmask=0x1 --nb-cores=2EAL: Detected 16 lcore(s)EAL: Detected 4 NUMA nodesEAL: Multi-process socket /var/run/dpdk/rte/mp_socketEAL: No free hugepages reported in hugepages-2048kBEAL: No free hugepages reported in hugepages-2048kBEAL: Probing VFIO support...EAL: PCI device 0000:02:00.0 on NUMA socket -1EAL: Invalid NUMA socket, default to 0EAL: probe driver: 8086:100f net_e1000_emEAL: PCI device 0000:03:00.0 on NUMA socket 0EAL: probe driver: 15ad:7b0 net_vmxnet3Interactive-mode selectedtestpmd: create a new mbuf pool <mbuf_pool_socket_0>: n=171456, size=2176, socket=0testpmd: preferred mempool ops selected: ring_mp_mcWarning! port-topology=paired and odd forward ports number, the last port will pair with itself.Configuring Port 0 (socket 0)Port 0: 00:0C:29:36:B2:F1Checking link statuses...Donetestpmd> startio packet forwarding - ports=1 - cores=1 - streams=1 - NUMA support enabled, MP allocation mode: nativeLogical Core 1 (socket 0) forwards packets on 1 streams: RX P=0/Q=0 (socket 0) -> TX P=0/Q=0 (socket 0) peer=02:00:00:00:00:00* Additionally I observed that on this virtual machine file *"/sys/bus/pci/devices/0000:03:00.0/numa_node"* is set as -1 and when sample application are run the programs detects 4 NUMA Nodes. But on any other physical machine it is properly set to appropriate numa_node. It would be of great help if I get pointers on why the initialization fails here. Regards Vikram
