Re: [Discuss-gnuradio] usrp: failed to find usrp [0]

[Tom Rondeau]

udadidd wrote:
> Hi
> By mistake i have pulled out the connection of USRP while the
> benchmark_rx.py program was running.
>   
You're going to need to provide more information. Which connection of 
the USRP did you pull out? The USB or power? See if you can use some of 
the USRP diagnostic tools like print_dbs or look dmesg to see if the 
system is seeing the USRP being plugged back in.

Tom


> Now i get an Error : 
> usrp: failed to find usrp[0]
> Traceback (most recent call last):
>   File "benchmark_tx.py", line 137, in <module>
>     main()
>   File "benchmark_tx.py", line 98, in main
>     tb = my_top_block(mods[options.modulation], options)
>   File "benchmark_tx.py", line 42, in __init__
>     self.txpath = transmit_path(modulator, options)
>   File "/Users/udaya/gnuradio-examples/python/digital/transmit_path.py",
> line 64, in __init__
>     self._setup_usrp_sink(options)
>   File "/Users/udaya/gnuradio-examples/python/digital/transmit_path.py",
> line 111, in _setup_usrp_sink
>     self.u = usrp_options.create_usrp_sink(options)
>   File "/Users/udaya/gnuradio-examples/python/digital/usrp_options.py", line
> 99, in create_usrp_sink
>     fusb_nblocks=options.fusb_nblocks,
>   File "/Users/udaya/gnuradio-examples/python/digital/generic_usrp.py", line
> 153, in __init__
>     except: self._setup_usrp_source()
>   File "/Users/udaya/gnuradio-examples/python/digital/generic_usrp.py", line
> 176, in _setup_usrp_source
>     fusb_nblocks=self._fusb_nblocks)
>   File "/usr/local/lib/python2.5/site-packages/gnuradio/usrp/usrp_swig.py",
> line 2469, in sink_c
>     return _usrp_swig.sink_c(*args, **kwargs)
> RuntimeError: can't open usrp
> Exception exceptions.AttributeError: "'gr_hier_block2_sptr' object has no
> attribute '_type'" in <bound method generic_usrp_sink_c.__del__ of
> <generic_usrp.generic_usrp_sink_c object at 0x2a32cd0>> ignored
>
> Please help...Thanks
> Udaya
>