It looks like the device is not properly initialized. Things to make sure: - You're running UHD 3 on your host. Are you running UHD 3 on your device? - It's not clear if there is a specific issue with get_num_xbars(), or if there's a general RPC problem. Does uhd_usrp_probe work?
--M On Fri, Dec 11, 2020 at 11:06 PM Dylan Baros <dylan.ba...@ni.com> wrote: > Good afternoon, > > Sent a message yesterday but I realize that it was not complete so I > apologize. The issue is that I am getting the following error message when > doing the spectrum analyzer tutorial on the gnuradio website. > https://wiki.gnuradio.org/index.php/Guided_Tutorial_Hardware_Considerations > Guided Tutorial Hardware Considerations - GNU Radio > <https://wiki.gnuradio.org/index.php/Guided_Tutorial_Hardware_Considerations> > Introduction []. One of the more basic (and also incredibly useful) things > you can do in GNU Radio with a receiver is to create a software radio > spectrum analyzer. > wiki.gnuradio.org > > > Generating: '/home/dylan/Documents/sa1.py' > > Executing: /usr/bin/python3 -u /home/dylan/Documents/sa1.py > > [INFO] [UHD] linux; GNU C++ version 9.2.1 20200304; Boost_107100; > UHD_3.15.0.0-2build5 > [INFO] [MPMD] Initializing 1 device(s) in parallel with args: > mgmt_addr=192.168.10.2,type=n3xx,product=n320,serial=31EDB79,claimed=False,addr=192.168.10.2 > Traceback (most recent call last): > File "/home/dylan/Documents/sa1.py", line 199, in <module> > main() > File "/home/dylan/Documents/sa1.py", line 175, in main > tb = top_block_cls() > File "/home/dylan/Documents/sa1.py", line 92, in __init__ > self.uhd_usrp_source_0 = uhd.usrp_source( > File "/usr/lib/python3/dist-packages/gnuradio/uhd/__init__.py", line > 125, in constructor_interceptor > return old_constructor(*args) > File "/usr/lib/python3/dist-packages/gnuradio/uhd/uhd_swig.py", line > 2787, in make > return _uhd_swig.usrp_source_make(device_addr, stream_args, > issue_stream_cmd_on_start) > RuntimeError: rpc::timeout: Timeout of 2000ms while calling RPC function > 'get_num_xbars' > > >>> Done (return code 1) > > I am using a USRP N321 and N320. > > > Any ideas? Thanks. >
