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Status.ERROR happened after 16 hours when running stress test

I am using NCS on Raspberry Pi and run live-object-detector in ncappzoo as stress test.

 

I had connected NCS with a powered USB 3.0 hub to Pi, and the NCSDK version is NCSDK-2.08.01.02.

 

After about 16 hours since starting live-object0detector, I got the Status.ERROR with the following log.

 

Traceback (most recent call last):

 

File "live-object-detector.py", line 210, in

 

main()

 

File "live-object-detector.py", line 149, in main

 

infer_image( graph, img, frame )

 

File "live-object-detector.py", line 86, in infer_image

 

output, userobj = graph.GetResult()

 

File "../../ncapi2_shim/mvnc_simple_api.py", line 156, in GetResult

 

output, userobj = self._api2_fifo_out.read_elem()

 

File "/usr/local/lib/python2.7/dist-packages/mvnc/mvncapi.py", line 412, in read_elem

 

raise Exception(Status(status))

 

Exception: Status.ERROR

 

At the same time, I find that kernel log show that the NCS USB is disconnected and re-connected.

 

I think USB disconnection is the cause of Status.ERROR.

 

The NCS is connected to a powered USB 3.0 hub, and there is also a cooling fan.

 

Is there any other reason that may cause USB disconnection?

 

Or can we get some log or diag code from NCS?
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