Hi, 

i want to play with the dvb-t2 transmitter examples. 
just did a "sudo apt install gnuradio" 

i got 1 warning: something about the xterm setting in gnuradio.conf (but i 
don't have a gnuradio.conf) 
and 1 error: 

Generating: '/home/guy/gnuradio/gr-dtv/examples/dvbt_tx_demo.py' 

Executing: /usr/bin/python -u 
/home/guy/gnuradio/gr-dtv/examples/dvbt_tx_demo.py 

Warning: failed to XInitThreads() 
linux; GNU C++ version 7.3.0; Boost_106501; UHD_003.010.003.000-0-unknown 

-- Opening a USRP2/N-Series device... 
-- Current recv frame size: 1472 bytes 
-- Current send frame size: 1472 bytes 
Traceback (most recent call last): 
File "/home/guy/gnuradio/gr-dtv/examples/dvbt_tx_demo.py", line 235, in 
<module> 
main() 
File "/home/guy/gnuradio/gr-dtv/examples/dvbt_tx_demo.py", line 223, in main 
tb = top_block_cls() 
File "/home/guy/gnuradio/gr-dtv/examples/dvbt_tx_demo.py", line 97, in __init__ 
channels=range(1), 
File "/usr/lib/python2.7/dist-packages/gnuradio/uhd/__init__.py", line 122, in 
constructor_interceptor 
return old_constructor(*args) 
File "/usr/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py", line 3012, in 
make 
return _uhd_swig.usrp_sink_make(*args) 
RuntimeError: ValueError: send_buff_size must be equal to or greater than 
1152000 

can someoen help? 

tnx 

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