网卡设备有，ssh也可以连接。试了下，插不插上板子，demo的log不一样。
插上板子
-->loading model
loading model done
--> Init runtime environment
半个小时都没反应，几个小时以后
E RKNNAPI: rknn_init, recv(MsgLoadAck) fail, -9(ERROR_PIPE) != 368!
E Catch exception when init runtime!
E Traceback (most recent call last):
E File "rknn/api/rknn_base.py", line 1067, in rknn.api.rknn_base.RKNNBase.init_runtime
E File "rknn/api/rknn_runtime.py", line 326, in rknn.api.rknn_runtime.RKNNRuntime.build_graph
E Exception: RKNN init failed. error code: RKNN_ERR_DEVICE_UNAVAILABLE
E Current device id is: None
E Devices connected:
E []
Init runtime environment failed
Process finished with exit code 255
不插板子
-->loading model
loading model done
--> Init runtime environment
error: no devices/emulators found
E Connect to Device Failure (-1)
E Catch exception when init runtime!
E Traceback (most recent call last):
E File "rknn/api/rknn_base.py", line 855, in rknn.api.rknn_base.RKNNBase.init_runtime
E File "rknn/api/rknn_runtime.py", line 171, in rknn.api.rknn_runtime.RKNNRuntime.__init__
E File "rknn/api/rknn_platform_utils.py", line 318, in rknn.api.rknn_platform_utils.start_ntp_or_adb
E Exception: Init runtime environment failed!
E Current device id is: None
E Devices connected:
E []
Init runtime environment failed