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Re: [Discuss-gnuradio] make test failure at qa_constellation_receiver

From: Curt Karnstedt
Subject: Re: [Discuss-gnuradio] make test failure at qa_constellation_receiver
Date: Fri, 23 Aug 2013 10:10:04 -0500

After running some of the python scripts were listed in error message in the tracebacks, I ran the test again, and it passed.  It's like either some dependency or library got built or loaded after I was fooling around.  Test the theory, I rebuilt everything from scratch in a separate directory.  However, all the tests passed the first go around.  But then after tinkering a bit more, and running the unittest in the fresh build again, it failed  (the one that just passed).  I have't figured out what is going on.  I'm not a software person, but I am curious about this.  I did a 'make install' after I got all the unittests pass (before it failed again), so I "think" I have a working GnuRadio with a constellation_receiver now.  I'll try running again later.

On Fri, Aug 23, 2013 at 9:25 AM, Tom Rondeau <address@hidden> wrote:
On Thu, Aug 22, 2013 at 7:09 PM, Curt Karnstedt <address@hidden> wrote:
> Here are the results.  I get a segfault, same as the last time after I fixed
> the ownership.
> address@hidden build]$ ctest -V -R qa_constellation_receiver
> UpdateCTestConfiguration  from
> :/home/curt/Downloads/gnuradio-3.7.0/build/DartConfiguration.tcl
> Start processing tests
> UpdateCTestConfiguration  from
> :/home/curt/Downloads/gnuradio-3.7.0/build/DartConfiguration.tcl
> Test project /home/curt/Downloads/gnuradio-3.7.0/build
> Constructing a list of tests
> Done constructing a list of tests
> Changing directory into /home/curt/Downloads/gnuradio-3.7.0/build/volk/lib
> ...
> Changing directory into
> /home/curt/Downloads/gnuradio-3.7.0/build/gr-digital/python/digital
> 143/172 Testing qa_constellation_receiver
> Test command: /bin/sh
> /home/curt/Downloads/gnuradio-3.7.0/build/gr-digital/python/digital/qa_constellation_receiver_test.sh
> Test timeout computed to be: 9.99988e+06
> /home/curt/Downloads/gnuradio-3.7.0/build/gr-digital/python/digital/qa_constellation_receiver_test.sh:
> line 7: 33977 Segmentation fault      (core dumped) /usr/bin/python -B
> /home/curt/Downloads/gnuradio-3.7.0/gr-digital/python/digital/qa_constellation_receiver.py
> -- Process completed
> ***Failed
> Changing directory into
> /home/curt/Downloads/gnuradio-3.7.0/build/gr-atsc/lib
> ...
> Changing directory into
> /home/curt/Downloads/gnuradio-3.7.0/build/gr-wavelet/python/wavelet
> 0% tests passed, 1 tests failed out of 1
> The following tests FAILED:
>     143 - qa_constellation_receiver (Failed)
> Errors while running CTest

Granted the constellation_receiver QA code is one of the more complex
tests we have, I've never heard of it segfaulting before.

Can you just run 'ctest -V -R constellation_receiver' again, maybe a
couple of times, to see if it always segfaults and if it provides more
detailed information about what's going on?

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