Error on jetson nano

[sushruth13]

Describe the bug

Jtop does not start, I cant restart the service. Everytime I restart the service, the service exits in a few minutes
A clear and concise description of what the bug is.

To Reproduce

Steps to reproduce the behavior:

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4. See error

Screenshots

these are the journal logs
Feb 27 13:26:35 jet6b-desktop systemd[1]: Started jtop service.
Feb 27 13:26:35 jet6b-desktop jtop[5814]: [INFO] jtop.service - jetson_stats 4.2.6 - server loaded
Feb 27 13:26:35 jet6b-desktop jtop[5814]: [INFO] jtop.service - Running on Python: 3.6.9
Feb 27 13:26:35 jet6b-desktop jtop[5814]: [INFO] jtop.core.hardware - Hardware detected aarch64
Feb 27 13:26:35 jet6b-desktop jtop[5814]: Skip for setup.py
Feb 27 13:26:35 jet6b-desktop jtop[5814]: Traceback (most recent call last):
Feb 27 13:26:35 jet6b-desktop jtop[5814]: File "/usr/local/bin/jtop", line 8, in
Feb 27 13:26:35 jet6b-desktop jtop[5814]: sys.exit(main())
Feb 27 13:26:35 jet6b-desktop jtop[5814]: File "/usr/local/lib/python3.6/dist-packages/jtop/main.py", line 104, in main
Feb 27 13:26:35 jet6b-desktop jtop[5814]: server = JtopServer(force=args.force)
Feb 27 13:26:35 jet6b-desktop jtop[5814]: File "/usr/local/lib/python3.6/dist-packages/jtop/service.py", line 281, in init
Feb 27 13:26:35 jet6b-desktop jtop[5814]: self.board = {'hardware': get_hardware()}
Feb 27 13:26:35 jet6b-desktop jtop[5814]: File "/usr/local/lib/python3.6/dist-packages/jtop/core/hardware.py", line 71, in get_hardware
Feb 27 13:26:35 jet6b-desktop jtop[5814]: jetson = get_jetson_variables()
Feb 27 13:26:35 jet6b-desktop jtop[5814]: File "/usr/local/lib/python3.6/dist-packages/jtop/core/jetson_variables.py", line 301, in get_jetson_variables
Feb 27 13:26:35 jet6b-desktop jtop[5814]: part_number, jetson_part_number = get_part_number()
Feb 27 13:26:35 jet6b-desktop jtop[5814]: File "/usr/local/lib/python3.6/dist-packages/jtop/core/jetson_variables.py", line 277, in get_part_number
Feb 27 13:26:35 jet6b-desktop jtop[5814]: bus = SMBus(bus_number, force=True)
Feb 27 13:26:35 jet6b-desktop jtop[5814]: NameError: name 'SMBus' is not defined
Feb 27 13:26:35 jet6b-desktop systemd[1]: jtop.service: Main process exited, code=exited, status=1/FAILURE
Feb 27 13:26:35 jet6b-desktop systemd[1]: jtop.service: Failed with result 'exit-code'.
Feb 27 13:26:43 jet6b-desktop systemd[1]: jtop.service: Service hold-off time over, scheduling restart.
Feb 27 13:26:43 jet6b-desktop systemd[1]: jtop.service: Failed to schedule restart job: Unit jtop.service not found.
Feb 27 13:26:43 jet6b-desktop systemd[1]: jtop.service: Failed with result 'exit-code'.

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Expected behavior

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Additional context

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Board

Output from jetson_release -v:

• jetson-stats version: [e.g. 1.8]
• P-Number: [e.g. pXXXX-XXXX]
• Module: [e.g. NVIDIA Jetson XXX]
• Jetpack: [e.g. 4.3]
• L4T: [e.g. 5.2.1]

Log from jtop.service

Attach here the output from: journalctl -u jtop.service -n 100 --no-pager

Log from jetson-stats installation

Attach here the output from: sudo -H pip3 install --no-cache-dir -v -U jetson-stats

RAW Data

File from jtop --error-log attached

[rbonghi]

Hi @sushruth13

Can you please try installing smbus using this command and then reboot the jtop service?

sudo pip3 install smbus2