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virtio-forwarder's Issues

got panic on sock_remove

I tried set VIRTIOFWD_DYNAMIC_SOCKETS=n in the config。when i add a relay，it's working well，however，when i trying to remove the socket, the main process crashed:

[root@ ~]# /usr/lib64/virtio-forwarder/virtioforwarder_port_control.py add_sock --vhost-path /tmp/test-dpdk-xx.sock --pci-addr=0000:86:00.2                       
[root@ ~]# /usr/lib64/virtio-forwarder/virtioforwarder_port_control.py remove_sock --vhost-path /tmp/test-dpdk-xx.sock

Traceback (most recent call last):
  File "/usr/lib64/virtio-forwarder/virtioforwarder_port_control.py", line 172, in <module>
    exit(main())
  File "/usr/lib64/virtio-forwarder/virtioforwarder_port_control.py", line 160, in main
    reply.ParseFromString(socket.recv())
  File "zmq/backend/cython/socket.pyx", line 791, in zmq.backend.cython.socket.Socket.recv
  File "zmq/backend/cython/socket.pyx", line 827, in zmq.backend.cython.socket.Socket.recv
  File "zmq/backend/cython/socket.pyx", line 191, in zmq.backend.cython.socket._recv_copy
  File "zmq/backend/cython/socket.pyx", line 186, in zmq.backend.cython.socket._recv_copy
  File "zmq/backend/cython/checkrc.pxd", line 20, in zmq.backend.cython.checkrc._check_rc
zmq.error.Again: Resource temporarily unavailable

Jun 21 16:13:28  virtio-forwarder[3571791]: Got virtio_forwarder_add_vf2('0000:86:00.2', 0, conditional=false)
Jun 21 16:13:28  vio4wd-start.sh[3571790]: EAL: PCI device 0000:86:00.2 on NUMA socket 1
Jun 21 16:13:28  vio4wd-start.sh[3571790]: EAL:   probe driver: 15b3:1018 net_mlx5
Jun 21 16:13:28  virtio-forwarder[3571791]: EAL: PCI device 0000:86:00.2 on NUMA socket 1
Jun 21 16:13:28  virtio-forwarder[3571791]: EAL:   probe driver: 15b3:1018 net_mlx5
Jun 21 16:13:29  virtio-forwarder[3571791]: Adding DPDK port 0 ('0000:86:00.2') to virtio ('0')
Jun 21 16:13:29  virtio-forwarder[3571791]: Not starting device for relay 0 since virtio not connected
Jun 21 16:13:29  virtio-forwarder[3571791]: Device with port_id=0 already stopped
Jun 21 16:13:29  vio4wd-start.sh[3571790]: Device with port_id=0 already stopped
Jun 21 16:13:29  virtio-forwarder[3571791]: Added dpdk port 0 to relay
Jun 21 16:13:29  vio4wd-start.sh[3571790]: VHOST_CONFIG: vhost-user client: socket created, fd: 57
Jun 21 16:13:29  virtio-forwarder[3571791]: Found CPU 1 for relay 0 vf2virtio
Jun 21 16:13:29  virtio-forwarder[3571791]: Got register_relay_socket(/tmp/test-dpdk-xx.sock, 0)
Jun 21 16:13:29  virtio-forwarder[3571791]: VHOST_CONFIG: vhost-user client: socket created, fd: 57
Jun 21 16:13:29  vio4wd-start.sh[3571790]: VHOST_CONFIG: failed to connect to /tmp/test-dpdk-xx.sock: No such file or directory
Jun 21 16:13:29  vio4wd-start.sh[3571790]: VHOST_CONFIG: /tmp/test-dpdk-xx.sock: reconnecting...
Jun 21 16:13:29  virtio-forwarder[3571791]: VHOST_CONFIG: failed to connect to /tmp/test-dpdk-xx.sock: No such file or directory
Jun 21 16:13:29  virtio-forwarder[3571791]: VHOST_CONFIG: /tmp/test-dpdk-xx.sock: reconnecting...
Jun 21 16:13:29  virtio-forwarder[3571791]: Worker 1 got signal to update state, active_relays=0x00000001
Jun 21 16:13:34  virtio-forwarder[3571791]: PortControlRequest: [op=Virtioforwarder__PortControlRequest__Op(3), num_VFs=0, pci_addrs=<0000:86:>, virtio_id=0]
Jun 21 16:13:34  virtio-forwarder[3571791]: PCI DBDF not passed. Assuming device to be removed is: 0000:86:00.2
Jun 21 16:13:34  virtio-forwarder[3571791]: Got virtio_remove_sock_dev_pair(/tmp/test-dpdk-xx.sock, 0000:86:00.2, false)
Jun 21 16:13:34  virtio-forwarder[3571791]: Got deregister_socket(/tmp/test-dpdk-xx.sock)
Jun 21 16:13:34  virtio-forwarder[3571791]: Got virtio_forwarder_remove_vf2('0000:86:00.2', 0, conditional=false)
Jun 21 16:13:34  virtio-forwarder[3571791]: Stopping PCI '0000:86:00.2' device (port 0)
Jun 21 16:13:34  virtio-forwarder[3571791]: Device with port_id=0 already stopped
Jun 21 16:13:34  vio4wd-start.sh[3571790]: Device with port_id=0 already stopped
Jun 21 16:13:34  virtio-forwarder[3571791]: Worker 1 got signal to update state, active_relays=0x00000000
Jun 21 16:13:34  vio4wd-start.sh[3571790]: Invalid port_id=0
Jun 21 16:13:34  virtio-forwarder[3571791]: Invalid port_id=0
Jun 21 16:13:34  virtio-forwarder[3571791]: Signal: 11
Jun 21 16:13:34  virtio-forwarder[3571791]: -- backtrace --
Jun 21 16:13:34  virtio-forwarder[3571791]: /usr/bin/virtio-forwarder(+0x2e49e7) [0x5594614c69e7]
Jun 21 16:13:34  virtio-forwarder[3571791]: /lib64/libpthread.so.0(+0x12b30) [0x7fe06b4d9b30]
Jun 21 16:13:34  virtio-forwarder[3571791]: /usr/bin/virtio-forwarder(rte_dev_is_probed+0x2) [0x5594615fe132]
Jun 21 16:13:34  virtio-forwarder[3571791]: /usr/bin/virtio-forwarder(rte_dev_remove+0x17) [0x5594615fe407]
Jun 21 16:13:34  virtio-forwarder[3571791]: /usr/bin/virtio-forwarder(+0x2e6f12) [0x5594614c8f12]
Jun 21 16:13:34  virtio-forwarder[3571791]: /usr/bin/virtio-forwarder(virtio_forwarder_remove_vf2+0x3b5) [0x5594614cdfc5]
Jun 21 16:13:34  virtio-forwarder[3571791]: /usr/bin/virtio-forwarder(virtio_remove_sock_dev_pair+0xb1) [0x5594614c8931]
Jun 21 16:13:34  virtio-forwarder[3571791]: /usr/bin/virtio-forwarder(+0x2ee1d6) [0x5594614d01d6]
Jun 21 16:13:34  virtio-forwarder[3571791]: /usr/bin/virtio-forwarder(+0x2eeef2) [0x5594614d0ef2]
Jun 21 16:13:34  virtio-forwarder[3571791]: /usr/bin/virtio-forwarder(+0x2ef23d) [0x5594614d123d]
Jun 21 16:13:34  virtio-forwarder[3571791]: /lib64/libpthread.so.0(+0x815a) [0x7fe06b4cf15a]
Jun 21 16:13:34  virtio-forwarder[3571791]: /lib64/libc.so.6(clone+0x43) [0x7fe06a27fdd3]

Dependency on DPDK's makefiles

Hi,

Please consider removing the dependency on DPDK's makefiles. The RTE SDK scripts are no longer going to be shipped in Debian 10 and Ubuntu 19.04, which means virtio-forwarder will no longer build on those systems.

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