[Discuss-gnuradio] UHD Warning: Unable to set the thread priority.

[Howard]

Hi,

I'd like to ask for help when I am using GRC and the USRP source to plot the signal to a FFT.

My system is Ubuntu 11.04.    

Thanks!

linux; GNU C++ version 4.5.2; Boost_104200; UHD_003.001.002-bc87971

-- Loading firmware image: /usr/local/share/uhd/images/usrp1_fw.ihx... done

-- Opening a USRP1 device...

-- Loading FPGA image: /usr/local/share/uhd/images/usrp1_fpga.rbf... done

UHD Warning:

    Unable to set the thread priority. Performance may be negatively affected.

    Please see the general application notes in the manual for instructions.

    EnvironmentError: OSError: error in pthread_setschedparam

UHD Warning:

    The hardware does not support the requested RX sample rate:

    Target sample rate: 32.000000 MSps

    Actual sample rate: 16.000000 MSps

OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO

>>> Done