I observed the same symptom on my Ubuntu 18.04 machine with the latest LimeSDR firmware. Both the SoapySDR and rx_sdr are working just fine with Windows 10.
EDIT: This could solve the issue:
I observed the same symptom on my Ubuntu 18.04 machine with the latest LimeSDR firmware. Both the SoapySDR and rx_sdr are working just fine with Windows 10.
EDIT: This could solve the issue: