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RE: [Discuss-gnuradio] blks2.synthesis_filterbank
From: |
beezle bub |
Subject: |
RE: [Discuss-gnuradio] blks2.synthesis_filterbank |
Date: |
Fri, 18 Jan 2008 11:52:09 -0700 |
So, interesting things. Incidentally, I was the guy who posted about the
segfault in top_block.
1) On my laptop runing ubuntu 7.10 natively with latest stuff installed, I got
the segfault. On my virtualized ubuntu on my macbook, I got a real error
message (btw & fyi, ubuntu + parallels does not work with the USRP).
2) The error message that I got as that was segfaulting the native ubuntu was
the same error message I was getting for the blks2.synthesis_filterbank:
"insufficient connected output ports (2 needed, 1 connected)"
The difference is that I'm getting the error because of my C++ block (either
because of the C++ code, or how it was connected in the python).
It might be the case that if I fix my own code, I can also fix the
blks2.synthesis_filterbank.
Cheers,
-Ben
----------------------------------------
> Date: Tue, 15 Jan 2008 09:42:21 -0800
> From: address@hidden
> To: address@hidden
> CC: address@hidden; address@hidden; address@hidden
> Subject: Re: [Discuss-gnuradio] blks2.synthesis_filterbank
>
> Eric Blossom wrote:
>> On Mon, Jan 14, 2008 at 11:18:15PM -0800, benjar wrote:
>>> Hey guys,
>>>
>>> I was wondering if the whole hier_block2 thing was working yet.
>
> To answer this particular question--yes. The new top_block/hier_block2
> code has been in the stable branch since 3.1.0, and all our examples and
> QA code have been switched over to use it on our development trunk. So
> it gets exercised quite frequently.
>
>>> Is this a bug in the filterbank code
>
> I suspect that when the block was switched to use the new
> top_block/hier_block2 code, a bug was introduced.
>
> However, the gr-pager scripts use blks2.analysis_filterbank successfully.
>
>
> From Eric:
>
>> Not sure what the other problem is.
>> Johnathan, can you take a look at this?
>
> Will do.
>
> --
> Johnathan Corgan
> Corgan Enterprises LLC
> http://corganenterprises.com
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