Re: [Discuss-gnuradio] UHD: USRP Source in next branch

[Josh Blum]

On 05/22/2013 01:53 PM, Bastian Bloessl wrote:
> Hi all,
> 
> I installed todays next branch and get the following error when I try to
> use a UHD: USRP Source.
> 
> File "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/__init__.py",
> line 72, in __init__
>     for v in val: self.channels.append(v)
> SystemError: error return without exception set
> 
> It occurs during startup when the flow graph is instantiated. I tried
> the next branch some weeks ago and got the same error. So I guess
> something is wrong with my setup.
> 
> I think it is somehow swig related. Did you also experience that?

There are some additions on "next" related to channel mapping. But that
should be all internal to the cpp files and not causing this issue. Not
sure yet...

Can you post the source code thats calling into this? Is this just from
a GRC generated flow graph?

-josh

> 
> Best,
> Bastian
> 
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