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Dear all,
I am keep having an issue NC_ERROR whenever I run demo on Ubuntu. Basically NCS2 is not recognized. I am using the latest Ubuntu 18.04.2 LTS version and followed all the instructions to install openvino, setup environment and configure NCS2: https://docs.openvinotoolkit.org/latest/_docs_install_guides_installing_openvino_linux.html
However, running demo with "-d MYRIAD" keeps giving me NC_ERROR whenever OpenVino tries to import the pre-trained model on NCS2. This is happening on both of the Ubuntu environment on my personal laptop and Virtualbox. "lsusb" shows me NCS2 as Intel Corp. device, not MYRIAD.
Interestingly, I have no problem running it on Windows 10, which has the VirtualBox with Ubuntu installed. However, I would still like to solve this issue so that I can follow tutorials that are mostly done on Linux environment, not Windows.
I found a post who went through similar issue but haven't started following this solution: http://www.jwrr.com/ncs2-1
I would really appreciate it if you could provide any advice, for the meantime.
-Jo
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Dear JO, MICHAEL,
Does this older IDZ Post regarding NCS2 and Virtual Box help ?
Someone says:
It seems NCS2 USB device ID changes when script starts loading model to MYRIAD.
I was able to resolve it by adding a new USB device filter with VID= 03e7 and PID=f63b in addition to VID= 03e7 and PID=2485 in Virtualbox USB settings.
Hope this solves your problem
Thanks,
Shubha
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Hi Shubha,
I did add a filter but I didn't have luck. It still shows [ncAPI] .. ncDeviceOpen:800 Failed connection to device (1.2-ma2480) with error 5. It still cannot initiate the USB device: NC_DEVICE_NOT_FOUND.
Shubha R. (Intel) wrote:Dear JO, MICHAEL,
Does this older IDZ Post regarding NCS2 and Virtual Box help ?
Someone says:
It seems NCS2 USB device ID changes when script starts loading model to MYRIAD.
I was able to resolve it by adding a new USB device filter with VID= 03e7 and PID=f63b in addition to VID= 03e7 and PID=2485 in Virtualbox USB settings.
Hope this solves your problem
Thanks,
Shubha
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Hi Michael,
It sounds like you have the USB filters properly setup and the Ubuntu system is detecting the Neural Compute Stick 2. The Intel NCS 2 driver is not installed on Ubuntu 18.04 as it's currently only supported on Ubuntu 16.04. However, users have reported a workaround to install the driver. Also, could you confirm the USB 3.0 setting is enabled on the Virtual machine settings and that you have installed the virtualbox extension pack?
Take a look at this discussion: https://software.intel.com/en-us/forums/computer-vision/topic/807156
The same thing here for Ubuntu 18.04. The workaround is to extract package intel-openvino-ie-rt-vpu-ubuntu-bionic-2019.1.094-2019.1-094.x86_64.rpm manually. And for Ubuntu 16.04 libmyriadPlugin.so is present.
Regards,
Jesus
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Hi Shubha and Jesus,
I just wanted to close this inquiry after knowing the solution to my case. It turns out I needed to give full permission to OpenVINO to run a demo located in /opt/intel/... and I was able to make it run by adding "sudo -E" in front of ./demo_squeezenet_download_convert_run.sh -d MYRIAD.
Thanks for all the help!
Sincerely,
Michael.
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Dear Michael,
This is great information. Thanks very much for reporting back to the OpenVino community !
Shubha

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