Re: [Discuss-gnuradio] UHD and gr_block_executor error: "source <gr_block gr uhd usrp source (1)> produced no output. We're marking it DONE."

[Josh Blum]

>     UHD source block got error code 0x9
>     gr_block_executor: source <gr_block gr uhd usrp source (1)> produced
> no output.  We're marking it DONE.
> 
> and, much more frequently,
> 
>     UHD source block got error code 0x10
>     gr_block_executor: source <gr_block gr uhd usrp source (1)> produced
> no output.  We're marking it DONE.
> 

They are totally bogus error codes.
http://www.ettus.com/uhd_docs/doxygen/html/structuhd_1_1rx__metadata__t.html

What do you mean by connecting A or B. Can you send some psudocode that
demonstrates what you are doing that causes the problem?

> I've tried leaving A and B connected the entire time, connecting B
> before disconnecting A, disconnecting A before connecting B, but none of
> these have alleviated the issue.  The error messages don't typically
> occur until we've switched to B.  Also, I've been unable to find what
> either of these error codes stand for in the GR and UHD documentation.
>