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Can not init USB device: NC_DEVICE_NOT_FOUND

 INFO ] Loading network files:
    /root/openvino_models/ir/FP16//classification/squeezenet/1.1/caffe/squeezenet1.1.xml
    /root/openvino_models/ir/FP16//classification/squeezenet/1.1/caffe/squeezenet1.1.bin
[ INFO ] Preparing input blobs
[ WARNING ] Image is resized from (787, 259) to (227, 227)
[ INFO ] Batch size is 1
[ INFO ] Preparing output blobs
[ INFO ] Loading model to the plugin
E: [ncAPI] [    820430] ncDeviceOpen:870    failed to find device

[ ERROR ] Can not init USB device: NC_DEVICE_NOT_FOUND
Error on or near line 235; exiting with status 1

root@osboxes:/opt/intel/computer_vision_sdk/deployment_tools/demo# lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 80ee:0021 VirtualBox USB Tablet
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

plese help me what's wrong

 

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Beginner
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in openvino 2018 R5

  cd /opt/intel/mediasdk/lib64

    mv libmfxhw64.so.1 libmfxhw64.so.1.org

    ln -s libmfxhw64.so.1.28 libmfxhw64.so.1

    mv libva-glx.so.2 libva-glx.so.2.org

    ln -s libva-glx.so.2.300.0 libva-glx.so.2

    mv libmfx.so.1 libmfx.so.1.org

    ln -s libmfx.so.1.28 libmfx.so.1

    mv libigdgmm.so.1 libigdgmm.so.1.org

    ln -s libigdgmm.so.1.0.0 libigdgmm.so.1

i got 

[ INFO ] Loading network files:
    /root/openvino_models/ir/FP16//classification/squeezenet/1.1/caffe/squeezenet1.1.xml
    /root/openvino_models/ir/FP16//classification/squeezenet/1.1/caffe/squeezenet1.1.bin
[ INFO ] Preparing input blobs
[ WARNING ] Image is resized from (787, 259) to (227, 227)
[ INFO ] Batch size is 1
[ INFO ] Preparing output blobs
[ INFO ] Loading model to the plugin
[ ERROR ] [VPU] Unsupported network precision :
Error on or near line 235; exiting with status 1

 

Dec 20 20:28:30 osboxes systemd[1]: Starting PackageKit Daemon...
Dec 20 20:28:30 osboxes PackageKit: daemon start
Dec 20 20:28:30 osboxes dbus[832]: [system] Successfully activated service 'org.freedesktop.PackageKit'
Dec 20 20:28:30 osboxes systemd[1]: Started PackageKit Daemon.
Dec 20 20:28:34 osboxes kernel: [ 1556.909343] usb 1-2: USB disconnect, device number 6
Dec 20 20:28:35 osboxes kernel: [ 1558.362102] usb 2-1: new SuperSpeed USB device number 5 using xhci_hcd
Dec 20 20:28:35 osboxes kernel: [ 1558.380751] usb 2-1: New USB device found, idVendor=03e7, idProduct=f63b
Dec 20 20:28:35 osboxes kernel: [ 1558.380755] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Dec 20 20:28:35 osboxes kernel: [ 1558.380757] usb 2-1: Product: VSC Loopback Device
Dec 20 20:28:35 osboxes kernel: [ 1558.380758] usb 2-1: Manufacturer: Intel Corporation
Dec 20 20:28:35 osboxes kernel: [ 1558.380760] usb 2-1: SerialNumber: 00000000000000000
Dec 20 20:28:37 osboxes kernel: [ 1559.998943] usb 2-1: USB disconnect, device number 5
Dec 20 20:28:38 osboxes kernel: [ 1561.475819] usb 1-2: new high-speed USB device number 7 using xhci_hcd
Dec 20 20:28:39 osboxes kernel: [ 1561.605525] usb 1-2: New USB device found, idVendor=03e7, idProduct=2485
Dec 20 20:28:39 osboxes kernel: [ 1561.605528] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Dec 20 20:28:39 osboxes kernel: [ 1561.605530] usb 1-2: Product: Movidius MyriadX
Dec 20 20:28:39 osboxes kernel: [ 1561.605532] usb 1-2: Manufacturer: Movidius Ltd.
Dec 20 20:28:39 osboxes kernel: [ 1561.605533] usb 1-2: SerialNumber: 03e72485
 

what's wrong

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