Re: [Discuss-gnuradio] uhd_fft segfault

[Ergeerts Glenn]

yes i did, "pybombs list" shows this:

                  gnuradio    installed  inventory 
fc7861ac029a4297df5a0b1159cb07f922670054 
git://http://www.gnuradio.org/git/gnuradio.git
                       uhd    installed  inventory 
7d97ab60012b99ed92fb122a3a68d68515a404fa 
git://https://github.com/EttusResearch/uhd.git


On 02/16/2015 09:39 PM, Martin Braun wrote:
> Those swig traces are hard to parse, but you might have to rebuild GNU
> Radio against the current UHD build. Did you install both via Pybombs?
>
> M
>
> On 02/16/2015 09:09 PM, Ergeerts Glenn wrote:
>> Hi,
>>
>> I'm new to SDR and gnuradio and trying to get started with an USRP B200
>> and gnuradio on ubuntu 14.04.
>> I'm using pybombs (up-to-date) for building. Building succeeds but i get
>> a segfault when running uhd_fft.
>> The backtrace is below.
>>
>> I checked if the correct libuhd was being used (with ldd),instead of an
>> old version from an ubuntu package.
>> I also tried uhd_find_devices (which uses pure uhd if i'm correct,
>> without gnuradio?), this works fine.
>> Running "pybombs verify gnuradio" results in:
>> The following tests FAILED:
>>           183 - qa_uhd (Failed)
>>           192 - qa_fcd (Failed)
>> Errors while running CT
>>
>> Running gnuradio/gr-uhd/python/uhd/qa_uhd.py in gdb segfaults with a
>> similar backtrace as well.
>> Finally, i tried changing the gnuradio recipe to use the maint branch
>> instead of master.
>> Rebuilding (after cleaning the build dir) results in the same situation
>> however.
>>
>> I don't know where to look next. Did anyone experience the same problem?
>> Thanks for any pointers!
>>
>>
>> (gdb) bt
>> #0  0x000000000001e626 in ?? ()
>> #1  0x00007ffff079d3a0 in strstr (__needle=0x7ffff082bfca "swig_ptr: ",
>> __haystack=0xd9398 <error: Cannot access memory at address 0xd9398>) at
>> /usr/include/string.h:337
>> #2  SWIG_Python_FixMethods (methods=0x7ffff0a57380 <SwigMethods>,
>> const_table=0x7ffff0a5d920 <swig_const_table>, types=0x7ffff0a5d980
>> <swig_types>,
>>       types_initial=0x7ffff0a55a20 <swig_type_initial>) at
>> /home/glenn/projects/pybombs/src/gnuradio/build/gr-uhd/swig/uhd_swigPYTHON_wrap.cxx:47200
>> #3  init_uhd_swig () at
>> /home/glenn/projects/pybombs/src/gnuradio/build/gr-uhd/swig/uhd_swigPYTHON_wrap.cxx:47321
>> #4  0x00000000004268bc in _PyImport_LoadDynamicModule
>> (name=0x7ffff1cccd74 "_uhd_swig",
>>       pathname=0x7fffed3fa48c
>> "/home/glenn/bin/gnuradio/lib/python2.7/dist-packages/gnuradio/uhd/_uhd_swig.so",
>> fp=<optimized out>) at ../Python/importdl.c:53
>> #5  0x00000000005b75d1 in load_module.39237 (name=<optimized out>,
>> fp=<optimized out>, pathname=<optimized out>, type=<optimized out>,
>> address@hidden)
>>       at ../Python/import.c:1915
>> #6  0x000000000046232a in imp_load_module.39244 (self=<optimized out>,
>> args=<optimized out>) at ../Python/import.c:3182
>> #7  0x000000000052c6d5 in call_function (oparg=<optimized out>,
>> pp_stack=0x7fffffffc170) at ../Python/ceval.c:4020
>> #8  PyEval_EvalFrameEx (address@hidden
>>       Frame 0x7ffff2182a50, for file
>> /home/glenn/bin/gnuradio/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py,
>> line 24, in swig_import_helper (dirname=<function at remote
>> 0x7ffff7f0f578>, imp=<module at remote 0x7ffff6b519f0>, fp=<file at
>> remote 0x7ffff0aa1f60>,
>> pathname='/home/glenn/bin/gnuradio/lib/python2.7/dist-packages/gnuradio/uhd/_uhd_swig.so',
>> description=('.so', 'rb', 3)), address@hidden) at
>> ../Python/ceval.c:2666
>> #9  0x000000000052cf32 in fast_function (nk=<optimized out>,
>> na=<optimized out>, n=0, pp_stack=0x7fffffffc2b0, func=<function at
>> remote 0x7fffed3fa398>)
>>       at ../Python/ceval.c:4106
>> #10 call_function (oparg=<optimized out>, pp_stack=0x7fffffffc2b0) at
>> ../Python/ceval.c:4041
>> #11 PyEval_EvalFrameEx (address@hidden 0x7ffff1c73b00, for file
>> /home/glenn/bin/gnuradio/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py,
>> line 28, in <module> (),
>>       address@hidden) at ../Python/ceval.c:2666
>> #12 0x000000000055c594 in PyEval_EvalCodeEx (co=0x7fffed40a9b0,
>> globals=<optimized out>, locals=<optimized out>, args=<optimized out>,
>> argcount=<optimized out>,
>>       kws=<optimized out>, kwcount=0, defs=0x0, defcount=0, closure=0x0)
>> at ../Python/ceval.c:3252
>> #13 0x00000000005b7392 in PyEval_EvalCode (co=<optimized out>,
>> globals=<optimized out>, locals=<optimized out>) at ../Python/ceval.c:667
>> #14 0x00000000005b744a in PyImport_ExecCodeModuleEx
>> (address@hidden "gnuradio.uhd.uhd_swig", address@hidden<code at
>> remote 0x7fffed40a9b0>,
>>       address@hidden
>> "/home/glenn/bin/gnuradio/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.pyc")
>> at ../Python/import.c:709
>> #15 0x0000000000579f0f in load_source_module.39194
>> (address@hidden "gnuradio.uhd.uhd_swig",
>>       pathname=0xa0f170
>> "/home/glenn/bin/gnuradio/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.pyc",
>>
>>       address@hidden
>> "/home/glenn/bin/gnuradio/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py",
>> fp=<optimized out>) at ../Python/import.c:1099
>> #16 0x00000000005b7541 in load_module.39237 (address@hidden
>> "gnuradio.uhd.uhd_swig", fp=<optimized out>,
>>       address@hidden
>> "/home/glenn/bin/gnuradio/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py",
>> type=<optimized out>, loader=<optimized out>)
>>       at ../Python/import.c:1906
>> #17 0x000000000055d3a3 in import_submodule.39248 (address@hidden<module
>> at remote 0x7ffff1c8aa98>, address@hidden "uhd_swig",
>>       fullname=0xdf9060 "gnuradio.uhd.uhd_swig") at ../Python/import.c:2700
>> #18 0x000000000055d77c in load_next (mod=<module at remote
>> 0x7ffff1c8aa98>, altmod=None, address@hidden,
>>       address@hidden "gnuradio.uhd.uhd_swig",
>> address@hidden) at ../Python/import.c:2515
>> #19 0x000000000055db37 in import_module_level.isra.3 (level=-1,
>> fromlist=None, globals=<optimized out>, name=0x0) at ../Python/import.c:2224
>> #20 PyImport_ImportModuleLevel (name=<optimized out>, globals=<optimized
>> out>, locals=<optimized out>, fromlist=None, level=-1) at
>> ../Python/import.c:2288
>> #21 0x00000000004755e7 in builtin___import__.32997 (self=<optimized
>> out>, args=<optimized out>, kwds=<optimized out>) at
>> ../Python/bltinmodule.c:49
>> #22 0x00000000004da20b in PyObject_Call (kw=0x0,
>>       arg=('uhd_swig', {'_prepare_uhd_swig': <function at remote
>> 0x7ffff0adf2a8>, '__builtins__': {'bytearray': <type at remote
>> 0x9166a0>, 'IndexError': <type at remote 0x919900>, 'all': <built-in
>> function all>, 'help': <_Helper at remote 0x7ffff7e7d290>, 'vars':
>> <built-in function vars>, 'SyntaxError': <type at remote 0x91b9e0>,
>> 'unicode': <type at remote 0x91dc80>, 'UnicodeDecodeError': <type at
>> remote 0x91a920>, 'memoryview': <type at remote 0x90dae0>, 'isinstance':
>> <built-in function isinstance>, 'copyright':
>> <_Printer(_Printer__data='Copyright (c) 2001-2014 Python Software
>> Foundation.\nAll Rights Reserved.\n\nCopyright (c) 2000 BeOpen.com.\nAll
>> Rights Reserved.\n\nCopyright (c) 1995-2001 Corporation for National
>> Research Initiatives.\nAll Rights Reserved.\n\nCopyright (c) 1991-1995
>> Stichting Mathematisch Centrum, Amsterdam.\nAll Rights Reserved.',
>> _Printer__lines=None, _Printer__name='copyright', _Printer__dirs=(),
>> _Printer__files=(...)) at remote 0x7ffff7e7d590>, 'NameError': <type at
>> remote 0x91bd20>, 'BytesWarn...(truncated), func=<built-in function
>> __import__>) at ../Objects/abstract.c:2529
>> #23 PyEval_CallObjectWithKeywords (address@hidden<built-in function
>> __import__>,
>>       address@hidden('uhd_swig', {'_prepare_uhd_swig': <function at
>> remote 0x7ffff0adf2a8>, '__builtins__': {'bytearray': <type at remote
>> 0x9166a0>, 'IndexError': <type at remote 0x919900>, 'all': <built-in
>> function all>, 'help': <_Helper at remote 0x7ffff7e7d290>, 'vars':
>> <built-in function vars>, 'SyntaxError': <type at remote 0x91b9e0>,
>> 'unicode': <type at remote 0x91dc80>, 'UnicodeDecodeError': <type at
>> remote 0x91a920>, 'memoryview': <type at remote 0x90dae0>, 'isinstance':
>> <built-in function isinstance>, 'copyright':
>> <_Printer(_Printer__data='Copyright (c) 2001-2014 Python Software
>> Foundation.\nAll Rights Reserved.\n\nCopyright (c) 2000 BeOpen.com.\nAll
>> Rights Reserved.\n\nCopyright (c) 1995-2001 Corporation for National
>> Research Initiatives.\nAll Rights Reserved.\n\nCopyright (c) 1991-1995
>> Stichting Mathematisch Centrum, Amsterdam.\nAll Rights Reserved.',
>> _Printer__lines=None, _Printer__name='copyright', _Printer__dirs=(),
>> _Printer__files=(...)) at remote 0x7ffff7e7d590>, 'NameError': <type at
>> remote
>>
>>
>>
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