OSX gnuradio/uhd issue

Use the latest gnuradio/uhd I get an error when trying to use UHD with
my N210

Exception in static block load_modules
basic_string::_S_construct NULL not valid

and my app segfaults

if I also include a fft sink I get

RuntimeError: No buffer space available

and it hangs untill I Ctrl-C it

the code is here

www.updatelee.com/src/rx_fft.grc
www.updatelee.com/src/rx_fft.py
www.updatelee.com/src/rx_fft.py.log

macbook-chris:gnuradio updatelee$ sudo sysctl -w
net.core.rmem_max=250000000
net: class is not implemented

doesnt work on OSX

Any idea’s ?

Chris Lee
VE6UDL

I pushed a fix to the master, can you try it?

In short, resizing the socket buffer on macos is very bad. I had
accidentally changed the logic that blocked this behavior. Fixed.

-Josh

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