i am using one usrp b200,to do a tx rx loopback,the tx connect to the rx when i exe the grc i got the error message -- Asking for clock rate 51.200000 MHz... OK -- Asking for clock rate 51.200000 MHz... OK -- Asking for clock rate 51.200000 MHz... OK -- Asking for clock rate 51.200000 MHz... OK UU (python2:2705): IBUS-WARNING **: Unable to connect to ibus: 无法连接： 拒绝连接 terminate called after throwing an instance of 'uhd::runtime_error' what(): RuntimeError: usb tx2 transfer status: LIBUSB_TRANSFER_ERROR
i wants to konw what is this message mean so that i can fix it with myself,thank you all
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