When I create a flowgraph directly to a null sink (null.png) I receive the following error:
Generating: "/home/pwilliams/gnuradio_test/video_tx/top_block.py"
Executing: "/home/pwilliams/gnuradio_test/video_tx/top_block.py"
linux; GNU C++ version 4.4.1; Boost_103800; UHD_002.20110219191607.c912463
Current recv sock buff size: 50000000 bytes
Warning:
error in pthread_setschedparam
Failed to set thread priority 0.5 (realtime):
Performance may be negatively affected.
See the general application notes.
Warning:
error in pthread_setschedparam
Failed to set thread priority 0.5 (realtime):
Performance may be negatively affected.
See the general application notes.
mboard0 MIMO master
Warning:
error in pthread_setschedparam
Failed to set thread priority 0.5 (realtime):
Performance may be negatively affected.
See the general application notes.
UHD source block got error code 0x1
gr_block_executor: source <gr_block uhd single_usrp source (2)> produced no output. We're marking it DONE.
When I create a flowgraph directly to a fftp sink (fft.png) it just silently exits with no errors:
Generating: "/home/pwilliams/gnuradio_test/video_tx/top_block.py"
Executing: "/home/pwilliams/gnuradio_test/video_tx/top_block.py"
linux; GNU C++ version 4.4.1; Boost_103800; UHD_002.20110219191607.c912463
Current recv sock buff size: 50000000 bytes
Warning:
error in pthread_setschedparam
Failed to set thread priority 0.5 (realtime):
Performance may be negatively affected.
See the general application notes.
Warning:
error in pthread_setschedparam
Failed to set thread priority 0.5 (realtime):
Performance may be negatively affected.
See the general application notes.
mboard0 MIMO master
Warning:
error in pthread_setschedparam
Failed to set thread priority 0.5 (realtime):
Performance may be negatively affected.
See the general application notes.
>>> Done