Re: [Discuss-gnuradio] Crash on UHD import on a fresh build of 3.7.10 using PyBOMBS

[Martin Braun]

Something like this usually points to ABI mismatches, although not on a
fresh build. Hmm... is UHD or GNU Radio installed twice on your machine?
And did you do a sudo ldconfig?

Cheers,
M

On 03/06/2016 03:49 PM, Eugene Grayver wrote:
> Just rebuilt GR using pybombs (went very smoothly).  However,
> encountered a very weird bug -- segfault on 'from gnuradio import uhd'.
>  The machine does not have any UHD devices attached (have not yet
> checked what happens if there's in fact a device).  Here's a backtrace
> from gdb.  Apparently something bad happens in high_res_timer.  I
> verified the system paths $LD_LIBRARY_PATH, $PYTHONPATH, $PATH and they
> all point to the latest pybombs install.
> 
> 
> I've never seen this one before... (after the backtrace, there's some
> more info)
> 
> 
> 
> 
> Core was generated by `python -c from gnuradio import uhd'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  0x000000000001e1a6 in ?? ()
> (gdb) bt
> #0  0x000000000001e1a6 in ?? ()
> #1  0x00007f95cf2066f0 in strstr (__needle=0x7f95cf290944 "swig_ptr: ",
>     __haystack=0x7f95cf27d210 "high_res_timer_now() ->
> gr::high_res_timer_type") at /usr/include/string.h:337
> #2  SWIG_Python_FixMethods (methods=0x7f95cf4ba500 <SwigMethods>,
>     const_table=0x7f95cf4c0880 <swig_const_table>,
>     types=0x7f95cf4c08e0 <swig_types>,
>     types_initial=0x7f95cf4b8b20 <swig_type_initial>)
>     at
> /home/gnuradio_latest/src/gnuradio/build/gr-uhd/swig/uhd_swigPYTHON_wrap.cxx:45975
> #3  init_uhd_swig ()
>     at
> /home/gnuradio_latest/src/gnuradio/build/gr-uhd/swig/uhd_swigPYTHON_wrap.cxx:46096
> #4  0x00000000004268bc in _PyImport_LoadDynamicModule ()
> #5  0x000000000046232a in ?? ()
> #6  0x000000000052c6d5 in PyEval_EvalFrameEx ()
> #7  0x000000000052cf32 in PyEval_EvalFrameEx ()
> #8  0x000000000055c594 in PyEval_EvalCodeEx ()
> #9  0x00000000005b7392 in PyEval_EvalCode ()
> #10 0x00000000005b744a in PyImport_ExecCodeModuleEx ()
> #11 0x0000000000579f0f in ?? ()
> #12 0x000000000055d3a3 in ?? ()
> #13 0x000000000055d77c in ?? ()
> ---Type <return> to continue, or q <return> to quit---
> #14 0x000000000055db37 in PyImport_ImportModuleLevel ()
> #15 0x00000000004755e7 in ?? ()
> #16 0x00000000004da20b in PyEval_CallObjectWithKeywords ()
> #17 0x000000000052e6d7 in PyEval_EvalFrameEx ()
> #18 0x000000000055c594 in PyEval_EvalCodeEx ()
> #19 0x000000000052ca8d in PyEval_EvalFrameEx ()
> #20 0x000000000055c594 in PyEval_EvalCodeEx ()
> #21 0x00000000005b7392 in PyEval_EvalCode ()
> #22 0x00000000005b744a in PyImport_ExecCodeModuleEx ()
> #23 0x0000000000579f0f in ?? ()
> #24 0x000000000046b0e7 in ?? ()
> #25 0x000000000055d3a3 in ?? ()
> #26 0x00000000004cd49e in ?? ()
> #27 0x000000000055dbec in PyImport_ImportModuleLevel ()
> #28 0x00000000004755e7 in ?? ()
> #29 0x00000000004da20b in PyEval_CallObjectWithKeywords ()
> #30 0x000000000052e6d7 in PyEval_EvalFrameEx ()
> #31 0x000000000055c594 in PyEval_EvalCodeEx ()
> #32 0x000000000052c05b in PyRun_StringFlags ()
> #33 0x000000000042ef13 in PyRun_SimpleStringFlags ()
> #34 0x000000000046a88c in Py_Main ()
> #35 0x00007f95d056aec5 in __libc_start_main (main=0x46ac3f <main>, argc=3,
>     argv=0x7fff31ce2678, init=<optimized out>, fini=<optimized out>,
> ---Type <return> to continue, or q <return> to quit---
>     rtld_fini=<optimized out>, stack_end=0x7fff31ce2668) at libc-start.c:287
> #36 0x000000000057497e in _start ()
> 
> A few relevant  files in the lib folder:
> libgnuradio-audio.so                     libgnuradio-uhd-3.7.10git.so
> libgnuradio-blocks-3.7.10git.so          libgnuradio-uhd-3.7.10git.so.0
> libgnuradio-pager-3.7.10git.so.0         libuhd.so.003
> libgnuradio-pager-3.7.10git.so.0.0.0     libuhd.so.003.010
> libgnuradio-pager.so                     libvolk.so
> libgnuradio-pmt-3.7.10git.so             libvolk.so.1.2.1
> 
> 
> 
> 
> ________________________
> 
> Eugene Grayver, Ph.D.
> Aerospace Corp., Sr. Eng. Spec.
> Tel: 310.336.1274
> ________________________
> 
> 
> 
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