[Discuss-gnuradio] OFDM benchmark fails with TIMEOUT

[Dimitri Block]

Hi,

I use two different computers both running Ubuntu Lucid and gnuradio 3.2.2 !
Each of those are connected to one USRP. Both USRP uses the daughterboards
RFX2400.

I just want to test the default ofdm connection.

On one computer I'm running the transmitter script as follows:
> benchmark_ofdm_tx.py -f 2.408e9 --tx-amplitude=32000

The other computer runs the resceiver script, which is started before the
transmitter script:
> ./benchmark_ofdm_rx.py -f 2.408e9 --rx-gain=90

The output on the transmitter side is:
Warning: failed to enable realtime scheduling
..............................................................................................


The output on the receiver side is:
>>> gr_fir_ccf: using SSE
>>> gr_fir_fff: using SSE
Warning: failed to enable realtime scheduling
TIMEOUT


Can you help me? I don't know how to get the connection working!

thanks,

Dimitri 
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