Hi, I have bought up a VPP on ubuntu with QEMU hypervisor. I spawn a new VM with vhost inetrface. No packets are seen on vhost interface and what I see memory region allocated is 0. Can you please help how to mitigate this ?
vpp# show version vpp v22.10-rc1~4-g61bae8a54~b6 built by root on db88ee5ae86e at 2022-10-10T23:45:33 vpp# vpp# show int Name Idx State MTU (L3/IP4/IP6/MPLS) Counter Count BondEthernet0 6 up 9000/0/0/0 BondEthernet0.70 7 up 0/0/0/0 TenGigabitEthernet2/0/0 1 up 9000/0/0/0 tx packets 1950 tx bytes 241800 TenGigabitEthernet2/0/1 2 up 9000/0/0/0 tx packets 28 tx bytes 3096 TenGigabitEthernet2/0/1.147 8 up 0/0/0/0 tx packets 7 tx bytes 774 TenGigabitEthernet2/0/1.151 10 up 0/0/0/0 tx packets 7 tx bytes 774 TenGigabitEthernet2/0/1.100 12 up 0/0/0/0 tx packets 7 tx bytes 774 TenGigabitEthernet2/0/1.159 17 up 0/0/0/0 tx packets 7 tx bytes 774 TenGigabitEthernet6/0/0 3 up 9000/0/0/0 tx packets 1950 tx bytes 241800 TenGigabitEthernet6/0/1 4 up 9000/0/0/0 VirtualEthernet0/0/0 11 up 9000/0/0/0 tx-error 7 VirtualEthernet0/0/1 15 up 9000/0/0/0 tx-error 4 VirtualEthernet0/0/2 16 up 9000/0/0/0 tx-error 6 VirtualEthernet0/0/3 18 up 9000/0/0/0 tx-error 7 local0 0 down 0/0/0/0 loop0 5 up 9000/0/0/0 tap0 9 up 9000/0/0/0 rx packets 7 rx bytes 746 drops 4 tap1 13 up 9000/0/0/0 rx packets 7 rx bytes 746 drops 6 tap2 14 up 9000/0/0/0 rx packets 7 rx bytes 746 drops 7 tap3 19 up 9000/0/0/0 rx packets 7 rx bytes 746 drops 7 vpp# show interface vhost show interface: unknown input `vhost' vpp# vpp# show vhost Virtio vhost-user interfaces Global: coalesce frames 32 time 1e-3 Number of rx virtqueues in interrupt mode: 0 Number of GSO interfaces: 0 Thread 0: Polling queue count 4 Interface: VirtualEthernet0/0/0 (ifindex 8) Number of qids 4 virtio_net_hdr_sz 12 features mask (0xfffffffbdfffa27c): features (0x150608000): VIRTIO_NET_F_MRG_RXBUF (15) VIRTIO_NET_F_GUEST_ANNOUNCE (21) VIRTIO_NET_F_MQ (22) VIRTIO_RING_F_INDIRECT_DESC (28) VHOST_USER_F_PROTOCOL_FEATURES (30) VIRTIO_F_VERSION_1 (32) protocol features (0x3) VHOST_USER_PROTOCOL_F_MQ (0) VHOST_USER_PROTOCOL_F_LOG_SHMFD (1) socket filename /tmp/52aa3aaf-5f0d-47d7-874f-8311e5aaf3f6 type client errno "Success" rx placement: thread 0 on vring 1, polling tx placement Memory regions (total 0) Interface: VirtualEthernet0/0/1 (ifindex 11) Number of qids 4 virtio_net_hdr_sz 12 features mask (0xfffffffbdfffa27c): features (0x150608000): VIRTIO_NET_F_MRG_RXBUF (15) VIRTIO_NET_F_GUEST_ANNOUNCE (21) VIRTIO_NET_F_MQ (22) VIRTIO_RING_F_INDIRECT_DESC (28) VHOST_USER_F_PROTOCOL_FEATURES (30) VIRTIO_F_VERSION_1 (32) protocol features (0x3) vpp# show bridge-domain 12 detail BD-ID Index BSN Age(min) Learning U-Forwrd UU-Flood Flooding ARP-Term arp-ufwd Learn-co Learn-li BVI-Intf 12 3 0 3 on on flood on off off 0 16777216 N/A SPAN (span-l2-input) INPUT_CLASSIFY (l2-input-classify) INPUT_FEAT_ARC (l2-input-feat-arc) POLICER_CLAS (l2-policer-classify) ACL (l2-input-acl) VPATH (vpath-input-l2) L2_IP_QOS_RECORD (l2-ip-qos-record) VTR (l2-input-vtr) LEARN (l2-learn) RW (l2-rw) FWD (l2-fwd) UU_FLOOD (l2-flood) FLOOD (l2-flood) XCONNECT (l2-output) Interface If-idx ISN SHG BVI TxFlood VLAN-Tag-Rewrite TenGigabitEthernet2/0/1.100 12 1 0 - * pop-1 tap1 13 1 0 - * none VirtualEthernet0/0/2 16 1 0 - * none
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