Re: [Discuss-gnuradio] "check topology failed"

[Johnathan Corgan]

On 2/9/08, address@hidden <address@hidden> wrote:

> Can anyone please tell me that why I am getting the following message when 
> running tx_voice.py:

Please post your entire command line.

> audio_alsa_source[hw:0,0]: set_channels failed: Invalid argument
> terminate called after throwing an instance of 'std::runtime_error'
>   what():  check topology failed on audio_alsa_source(11) using ninputs=0, 
> noutputs=1

This is a problem with what the ALSA driver thinks its hardware source
is (the first error).  The second error is an artifact of how the GNU
Radio ALSA source block is written.

-- 
Johnathan Corgan
Corgan Enterprises LLC
http://corganenterprises.com/