Tried the same with the latest VPP version master which has the DPDK 19.05 version and still faced the same issue..
VPP + DPDK vhost mode DBGvpp# show version vpp v20.01-rc0~20-g6b53fd516 built by root on kickseed at Tue Aug 13 02:12:38 JST 2019 DBGvpp# show int Name Idx State MTU (L3/IP4/IP6/MPLS) Counter Count VhostEthernet0 1 up 1500/0/0/0 local0 0 down 0/0/0/0 DBGvpp# show hardware-interfaces Name Idx Link Hardware VhostEthernet0 1 up VhostEthernet0 Link speed: 10 Gbps Ethernet address 56:48:4f:53:54:00 VhostEthernet carrier up full duplex mtu 1500 flags: admin-up pmd maybe-multiseg rx: queues 1 (max 1), desc 1024 (min 0 max 65535 align 1) tx: queues 1 (max 1), desc 1024 (min 0 max 65535 align 1) max rx packet len: -1 promiscuous: unicast off all-multicast off vlan offload: strip off filter off qinq off rx offload avail: vlan-strip rx offload active: none tx offload avail: vlan-insert multi-segs tx offload active: multi-segs rss avail: none rss active: none tx burst function: (nil) rx burst function: (nil) local0 0 down local0 Link speed: unknown local VPP + DPDK VIRTIO DBGvpp# show int Name Idx State MTU (L3/IP4/IP6/MPLS) Counter Count VirtioUser0 1 up 1500/0/0/0 tx packets 5 tx bytes 550 local0 0 down 0/0/0/0 DBGvpp# show hardware-interfaces Name Idx Link Hardware VirtioUser0 1 up VirtioUser0 Link speed: 10 Gbps Ethernet address e2:84:b1:74:4d:f2 Virtio User carrier up full duplex mtu 1500 flags: admin-up pmd maybe-multiseg rx: queues 1 (max 1), desc 1024 (min 0 max 65535 align 1) tx: queues 1 (max 1), desc 1024 (min 0 max 65535 align 1) max rx packet len: 9728 promiscuous: unicast off all-multicast on vlan offload: strip off filter off qinq off rx offload avail: vlan-strip udp-cksum tcp-cksum tcp-lro jumbo-frame rx offload active: jumbo-frame tx offload avail: vlan-insert udp-cksum tcp-cksum tcp-tso multi-segs tx offload active: multi-segs rss avail: none rss active: none tx burst function: virtio_xmit_pkts_inorder rx burst function: virtio_recv_pkts_inorder tx frames ok 5 tx bytes ok 550 local0 0 down local0 Link speed: unknown local I noticed the following new logs though in the new version in the show log output The below on the virtio side DBGvpp# show log 2019/08/13 03:10:43:956 err perfmon No table for cpuid 306e4 2019/08/13 03:10:43:956 err perfmon model 3e, stepping 4 2019/08/13 03:10:43:984 warn dpdk EAL init args: -c 2 -n 4 --in-memory --no-pci --log-level 8 --huge-dir /dev/hugepages --vdev virtio_user0,path=/opt/sock/sock2.sock --file-prefix vpp --master-lcore 1 2019/08/13 03:10:46:666 notice dpdk DPDK drivers found 1 ports... 2019/08/13 03:10:46:666 warn dpdk unsupported rx offloads requested on port 0: scatter 2019/08/13 03:10:46:669 notice dpdk EAL: Detected 24 lcore(s) 2019/08/13 03:10:46:669 notice dpdk EAL: Detected 2 NUMA nodes 2019/08/13 03:10:46:669 notice dpdk EAL: Probing VFIO support... 2019/08/13 03:10:46:669 notice dpdk EAL: WARNING! Base virtual address hint (0xa80001000 != 0x7f7c00000000) not respected! 2019/08/13 03:10:46:669 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:10:46:669 notice dpdk EAL: WARNING! Base virtual address hint (0xc00002000 != 0x7f73c0000000) not respected! 2019/08/13 03:10:46:669 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:10:46:669 notice dpdk EAL: WARNING! Base virtual address hint (0xd80003000 != 0x7f6b80000000) not respected! 2019/08/13 03:10:46:669 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:10:46:669 notice dpdk EAL: WARNING! Base virtual address hint (0xf00004000 != 0x7f6340000000) not respected! 2019/08/13 03:10:46:669 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:10:46:669 notice dpdk EAL: WARNING! Base virtual address hint (0x1080005000 != 0x7f5b00000000) not respected! 2019/08/13 03:10:46:669 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:10:46:669 notice dpdk EAL: WARNING! Base virtual address hint (0x10c000a000 != 0x7f8475b21000) not respected! 2019/08/13 03:10:46:669 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:10:46:669 notice dpdk EAL: WARNING! Base virtual address hint (0x120000b000 != 0x7f52c0000000) not respected! 2019/08/13 03:10:46:669 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:10:46:669 notice dpdk EAL: WARNING! Base virtual address hint (0x1240010000 != 0x7f8475b20000) not respected! 2019/08/13 03:10:46:669 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:10:46:669 notice dpdk EAL: WARNING! Base virtual address hint (0x1380011000 != 0x7f4a80000000) not respected! 2019/08/13 03:10:46:669 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:10:46:669 notice dpdk EAL: VFIO support not initialized 2019/08/13 03:10:46:670 notice dpdk EAL: Couldn't map new region for DMA 2019/08/13 03:10:46:670 notice dpdk EAL: VFIO support not initialized 2019/08/13 03:10:46:670 notice dpdk EAL: Couldn't map new region for DMA The below on the vhost side DBGvpp# show log 2019/08/13 03:08:43:037 err perfmon No table for cpuid 306e4 2019/08/13 03:08:43:037 err perfmon model 3e, stepping 4 2019/08/13 03:08:43:049 warn dpdk EAL init args: -c 2 -n 4 --in-memory --no-pci --log-level 8 --huge-dir /dev/hugepages --vdev eth_vhost0,iface=/opt/sock/sock2.sock --file-prefix vpp --master-lcore 1 2019/08/13 03:08:44:461 notice dpdk DPDK drivers found 1 ports... 2019/08/13 03:08:44:461 warn dpdk unsupported rx offloads requested on port 0: jumbo-frame scatter 2019/08/13 03:08:44:464 notice dpdk EAL: Detected 24 lcore(s) 2019/08/13 03:08:44:464 notice dpdk EAL: Detected 2 NUMA nodes 2019/08/13 03:08:44:464 notice dpdk EAL: Probing VFIO support... 2019/08/13 03:08:44:464 notice dpdk EAL: WARNING! Base virtual address hint (0xa80001000 != 0x7f1440000000) not respected! 2019/08/13 03:08:44:464 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:08:44:464 notice dpdk EAL: WARNING! Base virtual address hint (0xc00002000 != 0x7f0c00000000) not respected! 2019/08/13 03:08:44:464 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:08:44:464 notice dpdk EAL: WARNING! Base virtual address hint (0xd80003000 != 0x7f03c0000000) not respected! 2019/08/13 03:08:44:464 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:08:44:464 notice dpdk EAL: WARNING! Base virtual address hint (0xf00004000 != 0x7efb80000000) not respected! 2019/08/13 03:08:44:464 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:08:44:464 notice dpdk EAL: WARNING! Base virtual address hint (0x1080005000 != 0x7ef340000000) not respected! 2019/08/13 03:08:44:464 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:08:44:464 notice dpdk EAL: WARNING! Base virtual address hint (0x10c000a000 != 0x7f1cd1365000) not respected! 2019/08/13 03:08:44:464 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:08:44:464 notice dpdk EAL: WARNING! Base virtual address hint (0x120000b000 != 0x7eeb00000000) not respected! 2019/08/13 03:08:44:464 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:08:44:464 notice dpdk EAL: WARNING! Base virtual address hint (0x1240010000 != 0x7f1cd1364000) not respected! 2019/08/13 03:08:44:464 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:08:44:464 notice dpdk EAL: WARNING! Base virtual address hint (0x1380011000 != 0x7ee2c0000000) not respected! 2019/08/13 03:08:44:464 notice dpdk EAL: This may cause issues with mapping memory into secondary processes 2019/08/13 03:08:44:464 notice dpdk VHOST_CONFIG: vhost-user server: socket created, fd: 18 2019/08/13 03:08:44:464 notice dpdk VHOST_CONFIG: bind to /opt/sock/sock2.sock 2019/08/13 03:08:44:464 notice dpdk EAL: VFIO support not initialized 2019/08/13 03:08:44:464 notice dpdk EAL: Couldn't map new region for DMA 2019/08/13 03:08:44:464 notice dpdk EAL: VFIO support not initialized 2019/08/13 03:08:44:464 notice dpdk EAL: Couldn't map new region for DMA 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: new vhost user connection is 26 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: new device, handle is 0 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_OWNER 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_GET_FEATURES 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_CALL 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: vring call idx:0 file:27 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_CALL 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: vring call idx:1 file:28 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_FEATURES 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_MEM_TABLE 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: guest memory region 0, size: 0x40000000 2019/08/13 03:10:44:585 notice dpdk guest physical addr: 0x140000000 2019/08/13 03:10:44:585 notice dpdk guest virtual addr: 0x140000000 2019/08/13 03:10:44:585 notice dpdk host virtual addr: 0x7ee280000000 2019/08/13 03:10:44:585 notice dpdk mmap addr : 0x7ee280000000 2019/08/13 03:10:44:585 notice dpdk mmap size : 0x40000000 2019/08/13 03:10:44:585 notice dpdk mmap align: 0x40000000 2019/08/13 03:10:44:585 notice dpdk mmap off : 0x0 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_NUM 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_BASE 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_ADDR 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_KICK 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: vring kick idx:0 file:30 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_NUM 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_BASE 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_ADDR 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_KICK 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: vring kick idx:1 file:31 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: virtio is now ready for processing. 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_ENABLE 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: set queue enable: 1 to qp idx: 0 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_ENABLE 2019/08/13 03:10:44:585 notice dpdk VHOST_CONFIG: set queue enable: 1 to qp idx: 1 2019/08/13 03:10:45:820 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_ENABLE 2019/08/13 03:10:45:820 notice dpdk VHOST_CONFIG: set queue enable: 0 to qp idx: 0 2019/08/13 03:10:45:820 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_ENABLE 2019/08/13 03:10:45:820 notice dpdk VHOST_CONFIG: set queue enable: 0 to qp idx: 1 2019/08/13 03:10:45:820 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_MEM_TABLE 2019/08/13 03:10:45:820 notice dpdk VHOST_CONFIG: guest memory region 0, size: 0x40000000 2019/08/13 03:10:45:820 notice dpdk guest physical addr: 0x140000000 2019/08/13 03:10:45:820 notice dpdk guest virtual addr: 0x140000000 2019/08/13 03:10:45:820 notice dpdk host virtual addr: 0x7ee280000000 2019/08/13 03:10:45:820 notice dpdk mmap addr : 0x7ee280000000 2019/08/13 03:10:45:820 notice dpdk mmap size : 0x40000000 2019/08/13 03:10:45:820 notice dpdk mmap align: 0x40000000 2019/08/13 03:10:45:820 notice dpdk mmap off : 0x0 2019/08/13 03:10:45:820 notice dpdk VHOST_CONFIG: guest memory region 1, size: 0x40000000 2019/08/13 03:10:45:820 notice dpdk guest physical addr: 0x7f6340000000 2019/08/13 03:10:45:820 notice dpdk guest virtual addr: 0x7f6340000000 2019/08/13 03:10:45:820 notice dpdk host virtual addr: 0x7ee240000000 2019/08/13 03:10:45:820 notice dpdk mmap addr : 0x7ee240000000 2019/08/13 03:10:45:820 notice dpdk mmap size : 0x40000000 2019/08/13 03:10:45:820 notice dpdk mmap align: 0x40000000 2019/08/13 03:10:45:820 notice dpdk mmap off : 0x0 2019/08/13 03:10:45:820 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_ENABLE 2019/08/13 03:10:45:820 notice dpdk VHOST_CONFIG: set queue enable: 1 to qp idx: 0 2019/08/13 03:10:45:820 notice dpdk VHOST_CONFIG: read message VHOST_USER_SET_VRING_ENABLE 2019/08/13 03:10:45:820 notice dpdk VHOST_CONFIG: set queue enable: 1 to qp idx: 1 testpmd VIRTIO 19.05 to VHOST 19.05 is working though root@kickseed:~/vppnew/dpdk/build/app# ./testpmd -l 0-1 -n 4 --socket-mem 1024,1024 --vdev='virtio_user0,path=/opt/sock/sock2.sock' --no-pci --no-shconf --huge-dir=/dev/hugepages --log-level=8 -- -i testpmd> show port stats 0 ######################## NIC statistics for port 0 ######################## RX-packets: 0 RX-missed: 0 RX-bytes: 0 RX-errors: 0 RX-nombuf: 0 TX-packets: 124448 TX-errors: 0 TX-bytes: 7964672 Throughput (since last show) Rx-pps: 0 Tx-pps: 3625 ############################################################################ root@kickseed:~/vppnew/dpdk/build/app# ./testpmd -l 0-1 -n 4 --socket-mem 1024,1024 --vdev='eth_vhost0,iface=/opt/sock/sock2.sock' --no-pci --in-memory --huge-dir=/dev/hugepages --log-level=8 -- -i testpmd> show port stats 0 ######################## NIC statistics for port 0 ######################## RX-packets: 124448 RX-missed: 0 RX-bytes: 7964672 RX-errors: 0 RX-nombuf: 0 TX-packets: 0 TX-errors: 0 TX-bytes: 0 Throughput (since last show) Rx-pps: 2485 Tx-pps: 0 ############################################################################
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