hey tom,
PFA the output of gdb with back trace after the crash.
i have used scipy/numpy arrays quite extensively. is that causing the
crash??
please help me in debugging further.
On Thu, Sep 22, 2011 at 9:20 PM, Tom Rondeau <trondeau1...@gmail.com> wrote:
> On Thu, Sep 22, 2011 at 2:55 AM, Sanketh Kumar P
> <sankethku...@gmail.com>wrote:
>
>> after executing a GNURadio flowgraph for sometime (typically for abt
>> 2-3mins) the code crashes and
>> the following message is displayed.
>>
>
> We're going to need way more information than this to help you. This error
> tells us almost nothing about where the problem might be.
>
> Here's a helpful process. In the Python program, right at the top before
> any functions are declared, put this in:
>
> import os
> print os.getpid()
> raw_input()
>
> That will print out the program's PID and pause it, waiting for you to hit
> enter. In another terminal, run "gdb." Inside gdb, type:
>
> attach <pid>
> c
>
> Where the <pid> is what was printed by the progra. The "c" tells the
> debugger to continue. Now, go back to the program's window and hit enter.
> When the crash occurs, gdb will pick it up. You can then type "bt" in gdb to
> get a back trace of the program. This will help identify while line of what
> file caused the error.
>
> Tom
>
>
>
>
>
>> '''
>> *** glibc detected *** python: malloc(): memory corruption:
>> 0x00007f7b94002b00 ***
>> ======= Backtrace: =========
>> /lib/x86_64-linux-gnu/libc.so.6(+0x79d7a)[0x7f7bae94bd7a]
>> /lib/x86_64-linux-gnu/libc.so.6(__libc_malloc+0x6e)[0x7f7bae94e31e]
>> /usr/lib/x86_64-linux-gnu/libstdc++.so.6(_Znwm+0x1d)[0x7f7bad760e0d]
>>
>> /usr/local/lib/libgnuradio-core-3.4.1git.so.0(_ZNSt6vectorIfSaIfEEaSERKS1_+0x7b)[0x7f7badc71b9b]
>>
>> /usr/local/lib/python2.7/dist-packages/gnuradio/gr/_gnuradio_core_gengen.so(+0x11c65d)[0x7f7bab42f65d]
>> python(PyEval_EvalFrameEx+0x361)[0x4965f1]
>> python(PyEval_EvalFrameEx+0xb2f)[0x496dbf]
>> ======= Memory map: ========
>> 00400000-0062f000 r-xp 00000000 08:03 5899249
>> /usr/bin/python2.7
>> 0082e000-0082f000 r--p 0022e000 08:03 5899249
>> /usr/bin/python2.7
>> 0082f000-00897000 rw-p 0022f000 08:03 5899249
>> /usr/bin/python2.7
>> 00897000-008a9000 rw-p 00000000 00:00 0
>> 014e3000-02266000 rw-p 00000000 00:00 0
>> [heap]
>> 7f7b94000000-7f7b94021000 rw-p 00000000 00:00 0
>> 7f7b94021000-7f7b98000000 ---p 00000000 00:00 0
>> ...
>> ...
>> ...
>> '''
>>
>> please help me in rectifying it. thanx in advance
>>
>>
>> _______________________________________________
>> Discuss-gnuradio mailing list
>> Discuss-gnuradio@gnu.org
>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>
>>
>
Thanks,
Sanketh
Program received signal SIGABRT, Aborted.
0x00007f70dd82fd05 in raise () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) bt
#0 0x00007f70dd82fd05 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f70dd833ab6 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007f70dd868d7b in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3 0x00007f70dd875d7a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#4 0x00007f70dd87831e in malloc () from /lib/x86_64-linux-gnu/libc.so.6
#5 0x00007f70dc68ae0d in operator new(unsigned long) ()
from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#6 0x00007f70dcb9bb9b in allocate (this=0x7fff56a7d540, __x=...)
at /usr/include/c++/4.5/ext/new_allocator.h:89
#7 _M_allocate (this=0x7fff56a7d540, __x=...)
at /usr/include/c++/4.5/bits/stl_vector.h:140
#8 _M_allocate_and_copy<__gnu_cxx::__normal_iterator<float const*,
std::vector<float> > > (this=0x7fff56a7d540, __x=...)
at /usr/include/c++/4.5/bits/stl_vector.h:967
#9 std::vector<float, std::allocator<float> >::operator= (this=
0x7fff56a7d540, __x=...) at /usr/include/c++/4.5/bits/vector.tcc:165
#10 0x00007f70da35965d in _wrap_gr_vector_sink_f_sptr_data (
args=<value optimized out>) at python/gnuradio_core_gengen.cc:60241
#11 0x00000000004965f1 in call_function (f=<value optimized out>,
throwflag=<value optimized out>) at ../Python/ceval.c:4013
#12 PyEval_EvalFrameEx (f=<value optimized out>,
throwflag=<value optimized out>) at ../Python/ceval.c:2666
#13 0x0000000000496dbf in fast_function (f=<value optimized out>,
throwflag=<value optimized out>) at ../Python/ceval.c:4099
#14 call_function (f=<value optimized out>, throwflag=<value optimized out>)
at ../Python/ceval.c:4034
#15 PyEval_EvalFrameEx (f=<value optimized out>,
throwflag=<value optimized out>) at ../Python/ceval.c:2666
#16 0x0000000000496dbf in fast_function (f=<value optimized out>,
throwflag=<value optimized out>) at ../Python/ceval.c:4099
#17 call_function (f=<value optimized out>, throwflag=<value optimized out>)
at ../Python/ceval.c:4034
#18 PyEval_EvalFrameEx (f=<value optimized out>,
throwflag=<value optimized out>) at ../Python/ceval.c:2666
#19 0x0000000000496dbf in fast_function (f=<value optimized out>,
throwflag=<value optimized out>) at ../Python/ceval.c:4099
#20 call_function (f=<value optimized out>, throwflag=<value optimized out>)
at ../Python/ceval.c:4034
#21 PyEval_EvalFrameEx (f=<value optimized out>,
throwflag=<value optimized out>) at ../Python/ceval.c:2666
#22 0x0000000000496dbf in fast_function (f=<value optimized out>,
throwflag=<value optimized out>) at ../Python/ceval.c:4099
#23 call_function (f=<value optimized out>, throwflag=<value optimized out>)
at ../Python/ceval.c:4034
#24 PyEval_EvalFrameEx (f=<value optimized out>,
throwflag=<value optimized out>) at ../Python/ceval.c:2666
#25 0x0000000000496dbf in fast_function (f=<value optimized out>,
throwflag=<value optimized out>) at ../Python/ceval.c:4099
#26 call_function (f=<value optimized out>, throwflag=<value optimized out>)
at ../Python/ceval.c:4034
#27 PyEval_EvalFrameEx (f=<value optimized out>,
throwflag=<value optimized out>) at ../Python/ceval.c:2666
#28 0x000000000049d325 in PyEval_EvalCodeEx (co=0x7f70ded0aab0,
globals=<value optimized out>, locals=<value optimized out>,
args=<value optimized out>, argcount=<value optimized out>,
kws=<value optimized out>, kwcount=0, defs=0x0, defcount=0, closure=0x0)
at ../Python/ceval.c:3253
#29 0x00000000004ecb02 in PyEval_EvalCode (co=<value optimized out>,
globals=<value optimized out>, locals=<value optimized out>)
at ../Python/ceval.c:667
#30 0x00000000004fdc74 in run_mod (mod=<value optimized out>,
filename=<value optimized out>, globals=
{'pause': 1, 'gr': <module at remote 0x7f70ded20ef8>, 'random': <module at
remote 0x281a5c8>, 'modulation_utils': <module at remote 0x2cc2600>,
'subprocess': <module at remote 0x2e05d00>, 'frequency': 0, 'gru': <module at
remote 0x7f70ded23210>, 'struct': <module at remote 0x27c1280>, '__package__':
None, 're': <module at remote 0x7f70ded5d440>, 'detect_ed': <module at remote
0x2fd1868>, 'detect_cd': <module at remote 0x3022ef8>, 'usrp_options': <module
at remote 0x2e05558>, 'main': <function at remote 0x3035f50>, 'tb':
<my_top_block(_tb=<gr_top_block_sptr(this=<SwigPyObject at remote 0x309c360>)
at remote 0x303cd10>,
decision=<my_spectrum_sense(detector=<my_cd_decision(pfa=<float at remote
0x307b560>, meannoiserv=<numpy.float64 at remote 0x3149800>, fctr=0,
samples=<numpy.ndarray at remote 0x318fb80>, totaltrials=169,
varnoiserv=<numpy.float64 at remote 0x315b7f0>, cusum=0,
varsigpnoiserv=<numpy.float64 at remote 0x315b7f0>,
meansigpnoiserv=<numpy.float64 at remote 0x319bf90>, tctr=0, state=0, spn=0,
thresho...(truncated), locals=
{'pause': 1, 'gr': <module at remote 0x7f70ded20ef8>, 'random': <module at
remote 0x281a5c8>, 'modulation_utils': <module at remote 0x2cc2600>,
'subprocess': <module at remote 0x2e05d00>, 'frequency': 0, 'gru': <module at
remote 0x7f70ded23210>, 'struct': <module at remote 0x27c1280>, '__package__':
None, 're': <module at remote 0x7f70ded5d440>, 'detect_ed': <module at remote
0x2fd1868>, 'detect_cd': <module at remote 0x3022ef8>, 'usrp_options': <module
at remote 0x2e05558>, 'main': <function at remote 0x3035f50>, 'tb':
<my_top_block(_tb=<gr_top_block_sptr(this=<SwigPyObject at remote 0x309c360>)
at remote 0x303cd10>,
decision=<my_spectrum_sense(detector=<my_cd_decision(pfa=<float at remote
0x307b560>, meannoiserv=<numpy.float64 at remote 0x3149800>, fctr=0,
samples=<numpy.ndarray at remote 0x318fb80>, totaltrials=169,
varnoiserv=<numpy.float64 at remote 0x315b7f0>, cusum=0,
varsigpnoiserv=<numpy.float64 at remote 0x315b7f0>,
meansigpnoiserv=<numpy.float64 at remote 0x319bf90>, tctr=0, state=0, spn=0,
thresho...(truncated), flags=<value optimized out>, arena=<value optimized out>)
at ../Python/pythonrun.c:1346
#31 0x000000000042c182 in PyRun_FileExFlags (fp=0x2505790, filename=
0x7fff56a802dd "top_demo_learn.py", start=<value optimized out>, globals=
{'pause': 1, 'gr': <module at remote 0x7f70ded20ef8>, 'random': <module at
remote 0x281a5c8>, 'modulation_utils': <module at remote 0x2cc2600>,
'subprocess': <module at remote 0x2e05d00>, 'frequency': 0, 'gru': <module at
remote 0x7f70ded23210>, 'struct': <module at remote 0x27c1280>, '__package__':
None, 're': <module at remote 0x7f70ded5d440>, 'detect_ed': <module at remote
0x2fd1868>, 'detect_cd': <module at remote 0x3022ef8>, 'usrp_options': <module
at remote 0x2e05558>, 'main': <function at remote 0x3035f50>, 'tb':
<my_top_block(_tb=<gr_top_block_sptr(this=<SwigPyObject at remote 0x309c360>)
at remote 0x303cd10>,
decision=<my_spectrum_sense(detector=<my_cd_decision(pfa=<float at remote
0x307b560>, meannoiserv=<numpy.float64 at remote 0x3149800>, fctr=0,
samples=<numpy.ndarray at remote 0x318fb80>, totaltrials=169,
varnoiserv=<numpy.float64 at remote 0x315b7f0>, cusum=0,
varsigpnoiserv=<numpy.float64 at remote 0x315b7f0>,
meansigpnoiserv=<numpy.float64 at remote 0x319bf90>, tctr=0, state=0, spn=0,
thresho...(truncated), locals=
{'pause': 1, 'gr': <module at remote 0x7f70ded20ef8>, 'random': <module at
remote 0x281a5c8>, 'modulation_utils': <module at remote 0x2cc2600>,
'subprocess': <module at remote 0x2e05d00>, 'frequency': 0, 'gru': <module at
remote 0x7f70ded23210>, 'struct': <module at remote 0x27c1280>, '__package__':
None, 're': <module at remote 0x7f70ded5d440>, 'detect_ed': <module at remote
0x2fd1868>, 'detect_cd': <module at remote 0x3022ef8>, 'usrp_options': <module
at remote 0x2e05558>, 'main': <function at remote 0x3035f50>, 'tb':
<my_top_block(_tb=<gr_top_block_sptr(this=<SwigPyObject at remote 0x309c360>)
at remote 0x303cd10>,
decision=<my_spectrum_sense(detector=<my_cd_decision(pfa=<float at remote
0x307b560>, meannoiserv=<numpy.float64 at remote 0x3149800>, fctr=0,
samples=<numpy.ndarray at remote 0x318fb80>, totaltrials=169,
varnoiserv=<numpy.float64 at remote 0x315b7f0>, cusum=0,
varsigpnoiserv=<numpy.float64 at remote 0x315b7f0>,
meansigpnoiserv=<numpy.float64 at remote 0x319bf90>, tctr=0, state=0, spn=0,
thresho...(truncated), closeit=1, flags=0x7fff56a7e000) at
../Python/pythonrun.c:1332
#32 0x000000000042cb4a in PyRun_SimpleFileExFlags (fp=0x2505790,
filename=<value optimized out>, closeit=1, flags=0x7fff56a7e000)
at ../Python/pythonrun.c:936
#33 0x0000000000418c9e in Py_Main (argc=<value optimized out>, argv=
0x7fff56a7e128) at ../Modules/main.c:599
#34 0x00007f70dd81aeff in __libc_start_main ()
from /lib/x86_64-linux-gnu/libc.so.6
#35 0x00000000004c62b1 in _start ()
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