Re: [Discuss-gnuradio] Flowgraph locking up with Stream Mux

[Richard Bell]

I think it's the fact that you are feeding two different ports of the mux by one null source that is the issue. The first ports buffer fills before the third ports buffer does. When the first is full, it prevents null source from creating new outputs, which will cause the graph to stall on the third port waiting for items. 

Use two distinct null sources and I think it will run fine. 

Sent from my iPhone

On Jul 8, 2015, at 7:26 PM, Nowlan, Sean <address@hidden> wrote:

I’m somehow getting a simple flowgraph to lock up GNU Radio. It locks up every time I run it, after roughly the same amount of time. As you can see in the attached image and GRC file, I’m feeding two inputs of a Stream Mux block from the same upstream block. Do you imagine why that might cause problems?

 

I know there are other ways to do what I’ve shown here, but locking up seems like a bug.

 

Thanks,

Sean

<simple_failing_flowgraph.png>

<stream_mux_bug_test.grc>

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