Re: [Discuss-gnuradio] Phase errors and expected behavior of in-flight samples when a flowgraph is reconfigured

[Alexandru Csete]

Kevin,

It is my understanding that top_block.disconnet_all() only disconnects
blocks that were connected at the top block level and will not destroy
your hier_blocks.

Alex

On Tue, Apr 22, 2014 at 2:42 AM, Kevin Reid <address@hidden> wrote:
> On Apr 21, 2014, at 10:43, Tom Rondeau <address@hidden> wrote:
>
>> Seems like you could disconnect the entire flowgraph and reconnect to make 
>> sure all data is getting flushed and you should maintain sync that way. It 
>> might sound like a big hammer, but it'd be good to know if that works.
>
> From my non-systematic observations so far, you're probably right that this 
> would restore sync. However, doing so would require a nontrivial modification 
> to many hier blocks in my application (of which there are a lot), wouldn't 
> actually fix the underlying problem, and would be undesirable because it 
> would mean things that (logically) are unaffected by the UI action would drop 
> data.
>
> My current plan is to produce a reduced test case and bug report (assuming 
> this does in fact turn out to be a gnuradio bug), perhaps with some spot 
> reconnect-based kludges in the mean time.
>
> Thank you for confirming my understanding of the expected behavior.
>
> --
> Kevin Reid                                  <http://switchb.org/kpreid/>
>
>
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