On Mon, Oct 17, 2011 at 12:54 PM, Josh Blum <j...@joshknows.com> wrote:
> > > On 10/17/2011 12:34 PM, Jason Bonior wrote: > > Today we installed the git versions of grblock, grc, gnuradio, and uhd on > a > > system with Debian 6.0.3, 64-bit (also installed this morning). When > trying > > to run the demo files we receive the following errors: > > > > local@ch400l-laptop:~$ /usr/local/share/grblock/ > > examples/adder_demo.py > > handler caught exception: Unknown exception > > Traceback (most recent call last): > > File "/usr/local/lib/python2.6/dist-packages/grblock/gateway.py", line > 52, > > in handle > > try: self._callback() > > File "/usr/local/lib/python2.6/dist-packages/grblock/gateway.py", line > 120, > > in __grblock_handle > > [self.__message.work_args.ninput_items]*len(self.__in_sig), > > File "/usr/local/lib/python2.6/dist-packages/grblock/gateway.py", line > 41, > > in pointers_to_ndarrays > > return [pointer_to_ndarray(*args) for args in zip(addrs, dtypes, > nitems)] > > File > > > "/usr/local/lib/python2.6/dist-packages/gnuradio/gr/gnuradio_core_hier.py", > > line 118, in next > > return _gnuradio_core_hier.SwigPyIterator_next(self) > > RuntimeError: Unknown exception > > thread[thread-per-block[2]: <gr_block add 2 f32 (4)>]: caught > unrecognized > > exception > > ^Cexcepted (1, 5, 9, 13, 17) > > actual () > > handler caught exception: Unknown exception > > Traceback (most recent call last): > > File "/usr/local/lib/python2.6/dist-packages/grblock/gateway.py", line > 52, > > in handle > > try: self._callback() > > File "/usr/local/lib/python2.6/dist-packages/grblock/gateway.py", line > 120, > > in __grblock_handle > > [self.__message.work_args.ninput_items]*len(self.__in_sig), > > File "/usr/local/lib/python2.6/dist-packages/grblock/gateway.py", line > 41, > > in pointers_to_ndarrays > > return [pointer_to_ndarray(*args) for args in zip(addrs, dtypes, > nitems)] > > File > > > "/usr/local/lib/python2.6/dist-packages/gnuradio/gr/gnuradio_core_hier.py", > > line 118, in next > > return _gnuradio_core_hier.SwigPyIterator_next(self) > > RuntimeError: Unknown exception > > thread[thread-per-block[2]: <gr_block add 2 fc32 (10)>]: caught > unrecognized > > exception > > ^Cexcepted (1, 5j, 9, 13j, 17) > > actual () > > local@ch400l-laptop:~$ > > > > The traceback is a bit unclear. I think the problem is happening in > pointer_to_ndarray. Can you put some prints in gateway.py and find out > what line is dying? > > pointer_to_ndarray is the darkest magic used in grblock. Perhaps > something differers between numpy versions. I have only tested on ubuntu > 11.04 and 11.10 > https://github.com/guruofquality/grblock/blob/master/python/gateway.py#L24 > > grblock certainly needs to be tested across wider audience. I am glad > you are giving it a try. I am ccing gr discuss. More eyes and testers > cant hurt. > > So if someone is bored or has 5 mins, can you compile this on your > system and let me know if the examples work for you? > https://github.com/guruofquality/grblock > > _josh > We don't normally pass numpy arrays through Swig to GNU Radio, which could be your problem. Try passing it as you_ndarray.tolist() and see if that works. Tom
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