[Discuss-gnuradio] Simple graph (generated by Companion) crashes with segmentation fault on windows

[Artem Pisarenko]

I've installed GNU Radio from binaries on my Windows machine exactly as
described in
http://code.ettus.com/redmine/ettus/projects/uhd/wiki/GNURadio_Windows
guide. (I used specified versions except some packages which was not
available). After two days of hard fighting this dll hell, I was able to run
simple graph from GNU Radio Companion, but... it crashes !

My graph:
<http://gnuradio.4.n7.nabble.com/file/n44753/untitled.grc.png> 
Block causing crash: QT GUI Frequency Sink
Crash happens not always (approximately each 5-10 time I execute it). It
happens only at startup (before widget appears or after at least one
rendering).

I used gdb to extract some info
(http://gnuradio.org/redmine/projects/gnuradio/wiki/TutorialsDebugging#Tutorial-Using-gdb-with-Pythonic-GR-applications).
Here is output from top_block.py:

> Blocked waiting for GDB attach (pid = 4912)
> Press Enter to continue:
> Using Volk machine: avx_mmx
> fft_impl_fftw: FO\Users\A_Pisarenko\AppData\Roaming\.gr_fftw_wisdom:
> Invalid argument
> пO\Users\A_Pisarenko\AppData\Roaming\.gnuradio\prefs\vmcircbuf_default_factory:
> Invalid argument
> gr::pagesize: no info; setting pagesize = 4096
> дO\Users\A_Pisarenko\AppData\Roaming\.gnuradio\prefs\vmcircbuf_default_factory:
> Invalid argument
> << CRASHES HERE >>

Some info from attached gdb stopped at SIGSEGV:

> (gdb) i stack
> #0  0x634142d2 in volk!?volk_load_preferences@@YAIPAPAUvolk_arch_pref@@@Z
> ()
>    from C:\gnuradio\bin\volk.dll
> #1  0x05291f25 in
> address@hidden@address@hidden@@address@hidden@std@@address@hidden
> () from C:\gnuradio\bin\gnuradio-qtgui.dll
> #2  0x05292962 in
> address@hidden@address@hidden@@address@hidden@address@hidden@@@std@@address@hidden@address@hidden@@@5@@Z
>     () from C:\gnuradio\bin\gnuradio-qtgui.dll
> #3  0x633a367c in
> address@hidden@gr@@address@hidden@address@hidden@@@std@@address@hidden@address@hidden@@@address@hidden@address@hidden@std@@@4@@Z
> () from C:\gnuradio\bin\gnuradio-runtime.dll
> #4  0x6337beb5 in
> address@hidden@gr@@address@hidden@XZ
> () from C:\gnuradio\bin\gnuradio-runtime.dll
> #5  0x633a7a7a in
> address@hidden@@address@hidden@address@hidden@@@boost@@address@hidden
> () from C:\gnuradio\bin\gnuradio-runtime.dll
> #6  0x633a06c0 in address@hidden@@address@hidden ()
>    from C:\gnuradio\bin\gnuradio-runtime.dll
> #7  0x63365853 in address@hidden@gr@@address@hidden ()
>    from C:\gnuradio\bin\gnuradio-runtime.dll
> #8  0x63314ce3 in
> address@hidden@boost@@address@hidden
> () from C:\gnuradio\bin\boost_thread-vc100-mt-1_47.dll
> #9  0x9a7920f2 in ?? ()
> #10 0x00000000 in ?? ()
> (gdb) info frame
> Stack level 0, frame at 0x707fc0c:
>  eip = 0x634142d2 in
> volk!?volk_load_preferences@@YAIPAPAUvolk_arch_pref@@@Z;
>     saved eip 0x5291f25
>  called by frame at 0x707fc38
>  Arglist at 0x707fc04, args:
>  Locals at 0x707fc04, Previous frame's sp is 0x707fc0c
>  Saved registers:
>   ebp at 0x707fc04, eip at 0x707fc08

Generated minidump:  python.exe.4912.zip
<http://gnuradio.4.n7.nabble.com/file/n44753/python.exe.4912.zip>  
OS: Windows 7 x64 Pro
Processor: Intel Core i5-2500 CPU @ 3.30GHz
Software (of course, all of them x86/win32 versions):
GNU Radio 3.7.2 (pre-compiled binary from Ettus Research)
Python 2.7.3
numpy-1.6.2-win32-superpack-python2.7
pygtk-all-in-one-2.24.2
PyQt-Py2.7-x86-gpl-4.9.6-1 (without extra options such as Qt runtime)
PyQwt-5.2.1-py2.7-x32-pyqt4.9.6-numpy1.7.1




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