Re: [Discuss-gnuradio] Bug with USRP2/SBX and UHD when launching the acquisition

On 08/05/2011 07:33 AM, Emmanuel Caillé wrote:
> Hello all,
>
> I have a problem with my USRP2 (with a SBX board) :
> Most of times when I launch the acquisition, no data are received.
>
> For example with uhd_fft.py :
>
> $ uhd_fft.py
> linux; GNU C++ version 4.5.2; Boost_104200; UHD_003.002.001-fc349d3
> -- Opening a USRP2/N-Series device...
> -- Current recv frame size: 1472 bytes
> -- Current send frame size: 1472 bytes
>
> and the FFT Plotter appear but is empty.
>
> I have to try up to five times to make it work.
>
> Anyone having the same problem ? Or do you know what may it be ?
>

1) If there were no samples, you would see a timeout error printed to
the terminal.

2) If the samples were all zero, press autoscale, you should see a
horizontal blue line.

Which one do you see?

> If it can help, I am using a Gigabit Switch and Ubuntu 11.04
>
> --
> Emmanuel
>
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