Re: [Discuss-gnuradio] issue with GRC on ubuntu 12.10 - Segmentation Fault when launching the tool

[Josh Blum]

On 10/18/2012 05:49 PM, Arturo Rinaldi wrote:
> After successfully building gnuradio 3.6.2 on *ubuntu quantal quetzal
> 12.10* i get this error when launching gnuradio-companion :
> /*
> *//address@hidden:/usr/local/bin$ gnuradio-companion */
> /*Traceback (most recent call last):*//*
> *//*  File "/usr/local/bin/gnuradio-companion", line 58, in <module>*//*
> *//*    from gnuradio.grc.python.Platform import Platform*//*
> *//*  File
> "/usr/local/lib/python2.7/dist-packages/gnuradio/grc/python/Platform.py", line
> 22, in <module>*//*
> *//*    from .. base.Platform import Platform as _Platform*//*
> *//*  File
> "/usr/local/lib/python2.7/dist-packages/gnuradio/grc/base/Platform.py",
> line 22, in <module>*//*
> *//*    from .. base import ParseXML, odict*//*
> *//*  File
> "/usr/local/lib/python2.7/dist-packages/gnuradio/grc/base/ParseXML.py",
> line 20, in <module>*//*
> *//*    from lxml import etree*//*
> *//*  File "lxml.etree.pyx", line 67, in init lxml.etree
> (src/lxml/lxml.etree.c:160085)*//*
> *//*  File "/usr/lib/python2.7/io.py", line 51, in <module>*//*
> *//*    import _io*//*
> *//*TypeError: type '_io._IOBase' participates in gc and is a base type
> but has inappropriate tp_free slot*//*
> *//*Segmentation Fault (core dump created)
> 

The error seems to be entirely from lxml. So I would guess that this is
an lxml issue not gnuradio related. Can you try to run python -c "from
lxml import etree" and see if the error happens?

-josh

> */I satisfied all the required dependencies with the build-gnuradio
> script by SBRAC. Any ideas to solve this issue, it never happened to me
> in any build of GNURadio from stable tarball. Do I have to install some
> other python package ?
> 
> Thank you in advance
> 
> Kind Regards
> 
>               Arturo
> 
> 
> 
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