Setup openmediavault-nut - USB permission problem with my ​APC 750 and

  • With one of the last updates I the system has a USB permission problem with my APC 750i.



    Code
    root@nas:/etc/nut# upsdrvctl start  Network UPS Tools - UPS driver controller 2.8.0  Network UPS Tools - Generic HID driver 0.47 (2.8.0)  USB communication driver (libusb 1.0) 0.43  libusb1: Could not open any HID devices: insufficient permissions on everything  No matching HID UPS found  Driver failed to start (exit status=1)


    Output of: `journalctl -u nut-driver-enumerator`

    On my system I have installed OMV 7.4.3-1 (Sandworm) and openmediavault-nut 7.0.3-2

  • After a long research on the Internet to find a reason for the error and testing, I suspect that it is the USB cable.


    After plugging in the USB cable several times, I see the two errors in the output of dmesg:

    device descriptor read/64, error -71

    and

    device not accepting address 18, error -71


    full output of dmesg:


    I will continue to search for the solution and share my findings here!


    If anyone knows a setting to assign an address to the UPS so that the error above does not occur, I would be grateful!

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