Hello!

quoted

b) With --single-file - ovs runs, but doesn't get any packets at all. When i try to ping

the container from within host side, it

quoted

counts drops on vhost-user port.

Can you check the OVS in host side, if it prints out message of "virtio
is now ready for processing"?

 No, i get errors:

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Jan 12 10:27:43 nfv_test_x86_64 ovs-vswitchd[18858]: VHOST_CONFIG: new virtio connection is 38
Jan 12 10:27:43 nfv_test_x86_64 ovs-vswitchd[18858]: VHOST_CONFIG: new device, handle is 0
Jan 12 10:27:43 nfv_test_x86_64 ovs-vswitchd[18858]: VHOST_CONFIG: read message VHOST_USER_SET_OWNER
Jan 12 10:27:43 nfv_test_x86_64 ovs-vswitchd[18858]: VHOST_CONFIG: read message VHOST_USER_GET_FEATURES
Jan 12 10:27:43 nfv_test_x86_64 ovs-vswitchd[18858]: VHOST_CONFIG: read message VHOST_USER_SET_FEATURES
Jan 12 10:27:43 nfv_test_x86_64 kernel: device ovs-netdev entered promiscuous mode
Jan 12 10:27:43 nfv_test_x86_64 kernel: device ovs0 entered promiscuous mode
Jan 12 10:27:43 nfv_test_x86_64 ovs-vswitchd[18858]: VHOST_CONFIG: read message VHOST_USER_SET_MEM_TABLE
Jan 12 10:27:43 nfv_test_x86_64 ovs-vswitchd[18858]: VHOST_CONFIG: mapped region 0 fd:39 to:0x7f079c600000 sz:0x200000 off:0x0
align:0x200000
Jan 12 10:27:43 nfv_test_x86_64 ovs-vswitchd[18858]: VHOST_CONFIG: read message VHOST_USER_SET_VRING_CALL
Jan 12 10:27:43 nfv_test_x86_64 ovs-vswitchd[18858]: VHOST_CONFIG: vring call idx:0 file:49
Jan 12 10:27:43 nfv_test_x86_64 ovs-vswitchd[18858]: VHOST_CONFIG: read message VHOST_USER_SET_VRING_NUM
Jan 12 10:27:43 nfv_test_x86_64 ovs-vswitchd[18858]: VHOST_CONFIG: read message VHOST_USER_SET_VRING_BASE
Jan 12 10:27:43 nfv_test_x86_64 ovs-vswitchd[18858]: VHOST_CONFIG: read message VHOST_USER_SET_VRING_ADDR
Jan 12 10:27:43 nfv_test_x86_64 ovs-vswitchd[18858]: VHOST_CONFIG: (0) Failed to find desc ring address.

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Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research center Russia