Hi everyone,

I am trying to run the given tx_samples_from_file example.
Unfortunately, I keep receiving the uhd::usb_error, approximately 5-30
minutes into the run.

*Technical specs:*
USRP: B210.
Host: Intel Nuc, Core i7, 8th gen.
OS: Ubuntu 20
UHD Version: 4.1.0
USB Controler: XHCI (USB3).


*Error print: *
[ERROR] [TX-STREAM] The tx_stream timed out sending 5000 samples (4080
sent).
[ERROR] [UHD] An unexpected exception was caught in a task loop.The task
loop will now exit, things may not work.EnvironmentError: IOError: usb rx8
transfer status: LIBUSB_TRANSFER_NO_DEVICE
terminate called after throwing an instance of 'uhd::usb_error'
  what():  RuntimeError: USBError -4: usb tx4 submit failed:
LIBUSB_ERROR_NO_DEVICE
Aborted (core dumped)


*dmesg output:*
[19924.922965] usb 4-2: USB disconnect, device number 7
[19925.195595] usb 4-2: new SuperSpeed Gen 1 USB device number 8 using
xhci_hcd
[19925.217437] usb 4-2: LPM exit latency is zeroed, disabling LPM.
[19925.220417] usb 4-2: New USB device found, idVendor=2500,
idProduct=0020, bcdDevice= 0.00
[19925.220422] usb 4-2: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[19925.220426] usb 4-2: Product: USRP B200
[19925.220429] usb 4-2: Manufacturer: Ettus Research LLC
[19925.220431] usb 4-2: SerialNumber: 31F80A2

Is anyone familiar with this fault?
I would appreciate any help on the matter.

Thanks in advance,
Steve
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