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Re: [Discuss-gnuradio] right source to input message


From: manjusha
Subject: Re: [Discuss-gnuradio] right source to input message
Date: Thu, 7 Mar 2013 18:04:37 -0800 (PST)

Opening a USRP1 device...
-- Using FPGA clock rate of 64.000000MHz...
>>> gr_fir_ccc: using SSE
>>> gr_fir_ccf: using SSE
Traceback (most recent call last):
  File "/home/aklilu1/gnuradio/grc/Project/top_block.py", line 82, in
<module>
    tb.Run(True)
  File
"/usr/local/lib/python2.7/dist-packages/grc_gnuradio/wxgui/top_block_gui.py",
line 76, in Run
    self.start()
  File "/usr/local/lib/python2.7/dist-packages/gnuradio/gr/top_block.py",
line 97, in start
    self._tb.start(max_noutput_items)
  File
"/usr/local/lib/python2.7/dist-packages/gnuradio/gr/gnuradio_core_runtime.py",
line 1976, in start
    return _gnuradio_core_runtime.gr_top_block_sptr_start(self,
max_noutput_items)
RuntimeError: gr_buffer_add_reader: nzero_preload must be >= 0


josh,

That is the error i got



-----
Manjusha
--
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