Sebastien Renard added the comment:
Hi Antoine,
Thanks for your quick answer. I compiled with debug and compile cx_oracle
again. Here the stack trace with gdb. Hope it will help.
Program received signal SIGSEGV, Segmentation fault.
0x000000000043ab98 in visit_decref (op=0xb00000000, data=0x0) at
Modules/gcmodule.c:373
373 if (PyObject_IS_GC(op)) {
(gdb) backtrace
#0 0x000000000043ab98 in visit_decref (op=0xb00000000, data=0x0) at
Modules/gcmodule.c:373
#1 0x000000000048193a in BaseException_traverse (self=0x7ffff0f645f8,
visit=0x43ab64 <visit_decref>, arg=0x0) at Objects/exceptions.c:97
#2 0x00000000004dc4cc in subtype_traverse (self=0x7ffff0f645f8, visit=0x43ab64
<visit_decref>, arg=0x0) at Objects/typeobject.c:972
#3 0x000000000043ac8c in subtract_refs (containers=0x8f2ec0 <generations>) at
Modules/gcmodule.c:398
#4 0x000000000043bda0 in collect (generation=0, n_collected=0x7ffffffe6860,
n_uncollectable=0x7ffffffe6858, nofail=0) at Modules/gcmodule.c:957
#5 0x000000000043c409 in collect_with_callback (generation=0) at
Modules/gcmodule.c:1128
#6 0x000000000043c4a0 in collect_generations () at Modules/gcmodule.c:1151
#7 0x000000000043d77c in _PyObject_GC_Malloc (basicsize=48) at
Modules/gcmodule.c:1726
#8 0x000000000043d7b4 in _PyObject_GC_New (tp=0x90f980 <PyListIter_Type>) at
Modules/gcmodule.c:1736
#9 0x000000000049bec5 in list_iter (seq=0x7ffff0f807c8) at
Objects/listobject.c:2738
#10 0x00000000004620d4 in PyObject_GetIter (o=0x7ffff0f807c8) at
Objects/abstract.c:2656
#11 0x00000000005a4923 in PyEval_EvalFrameEx (f=0xbf4878, throwflag=0) at
Python/ceval.c:2640
#12 0x00000000005aab83 in PyEval_EvalCodeEx (_co=0x7ffff672fb80,
globals=0x7ffff6721838, locals=0x0, args=0x7ffff13c79b0, argcount=2, kws=0x0,
kwcount=0, defs=0x0, defcount=0, kwdefs=0x0, closure=0x0) at Python/ceval.c:3578
#13 0x000000000065b49a in function_call (func=0x7ffff66f19b0,
arg=0x7ffff13c7988, kw=0x0) at Objects/funcobject.c:632
#14 0x0000000000460069 in PyObject_Call (func=0x7ffff66f19b0,
arg=0x7ffff13c7988, kw=0x0) at Objects/abstract.c:2067
#15 0x000000000047e933 in method_call (func=0x7ffff66f19b0, arg=0x7ffff13c7988,
kw=0x0) at Objects/classobject.c:347
#16 0x0000000000460069 in PyObject_Call (func=0x7ffff7ebd3d8,
arg=0x7ffff6e30468, kw=0x0) at Objects/abstract.c:2067
#17 0x00000000004dd338 in call_method (o=0x7ffff0f7cdc0, nameid=0x91a860
<id.11627>, format=0x67cd45 "(O)") at Objects/typeobject.c:1394
#18 0x00000000004eb850 in slot_mp_subscript (self=0x7ffff0f7cdc0,
arg1=0x7ffff0f86040) at Objects/typeobject.c:5585
#19 0x000000000045aa4b in PyObject_GetItem (o=0x7ffff0f7cdc0,
key=0x7ffff0f86040) at Objects/abstract.c:145
#20 0x00000000005994e0 in PyEval_EvalFrameEx (f=0xbf42f8, throwflag=0) at
Python/ceval.c:1571
#21 0x00000000005aab83 in PyEval_EvalCodeEx (_co=0x7ffff2317d00,
globals=0x7ffff25c6d08, locals=0x0, args=0xbf41b8, argcount=3, kws=0xbf41d0,
kwcount=0, defs=0x0, defcount=0, kwdefs=0x7ffff1c797c8, closure=0x0) at
Python/ceval.c:3578
#22 0x00000000005adb71 in fast_function (func=0x7ffff1c7ba68,
pp_stack=0x7ffffffea1b8, n=3, na=3, nk=0) at Python/ceval.c:4334
#23 0x00000000005ad64c in call_function (pp_stack=0x7ffffffea1b8, oparg=2) at
Python/ceval.c:4252
#24 0x00000000005a5b37 in PyEval_EvalFrameEx (f=0xbf4018, throwflag=0) at
Python/ceval.c:2829
#25 0x00000000005ada33 in fast_function (func=0x7ffff1c823f0,
pp_stack=0x7ffffffebb08, n=2, na=2, nk=0) at Python/ceval.c:4324
#26 0x00000000005ad64c in call_function (pp_stack=0x7ffffffebb08, oparg=1) at
Python/ceval.c:4252
#27 0x00000000005a5b37 in PyEval_EvalFrameEx (f=0xd21018, throwflag=0) at
Python/ceval.c:2829
#28 0x00000000005aab83 in PyEval_EvalCodeEx (_co=0x7ffff58f3280,
globals=0x7ffff25db1a8, locals=0x0, args=0xbdcc00, argcount=2, kws=0xbdcc10,
kwcount=3, defs=0x7ffff1ca6440, defcount=3, kwdefs=0x0, closure=0x0) at
Python/ceval.c:3578
#29 0x00000000005adb71 in fast_function (func=0x7ffff1c646d0,
pp_stack=0x7ffffffed648, n=8, na=2, nk=3) at Python/ceval.c:4334
#30 0x00000000005ad64c in call_function (pp_stack=0x7ffffffed648, oparg=770) at
Python/ceval.c:4252
#31 0x00000000005a5b37 in PyEval_EvalFrameEx (f=0xbdca38, throwflag=0) at
Python/ceval.c:2829
#32 0x00000000005ada33 in fast_function (func=0x7ffff13d36d0,
pp_stack=0x7ffffffeef98, n=2, na=2, nk=0) at Python/ceval.c:4324
---Type <return> to continue, or q <return> to quit---
#33 0x00000000005ad64c in call_function (pp_stack=0x7ffffffeef98, oparg=1) at
Python/ceval.c:4252
#34 0x00000000005a5b37 in PyEval_EvalFrameEx (f=0xd1d118, throwflag=0) at
Python/ceval.c:2829
#35 0x00000000005ada33 in fast_function (func=0x7ffff22e3eb8,
pp_stack=0x7fffffff08e8, n=2, na=2, nk=0) at Python/ceval.c:4324
#36 0x00000000005ad64c in call_function (pp_stack=0x7fffffff08e8, oparg=2) at
Python/ceval.c:4252
#37 0x00000000005a5b37 in PyEval_EvalFrameEx (f=0xd1c278, throwflag=0) at
Python/ceval.c:2829
#38 0x00000000005ada33 in fast_function (func=0x7ffff13d23f0,
pp_stack=0x7fffffff2238, n=2, na=2, nk=0) at Python/ceval.c:4324
#39 0x00000000005ad64c in call_function (pp_stack=0x7fffffff2238, oparg=1) at
Python/ceval.c:4252
#40 0x00000000005a5b37 in PyEval_EvalFrameEx (f=0xcda7d8, throwflag=0) at
Python/ceval.c:2829
#41 0x00000000005ada33 in fast_function (func=0x7ffff13d5bd8,
pp_stack=0x7fffffff3b88, n=2, na=2, nk=0) at Python/ceval.c:4324
#42 0x00000000005ad64c in call_function (pp_stack=0x7fffffff3b88, oparg=1) at
Python/ceval.c:4252
#43 0x00000000005a5b37 in PyEval_EvalFrameEx (f=0xbf5558, throwflag=0) at
Python/ceval.c:2829
#44 0x00000000005ada33 in fast_function (func=0x7ffff22e3eb8,
pp_stack=0x7fffffff54d8, n=2, na=2, nk=0) at Python/ceval.c:4324
#45 0x00000000005ad64c in call_function (pp_stack=0x7fffffff54d8, oparg=2) at
Python/ceval.c:4252
#46 0x00000000005a5b37 in PyEval_EvalFrameEx (f=0xb945b8, throwflag=0) at
Python/ceval.c:2829
#47 0x00000000005ada33 in fast_function (func=0x7ffff13d23f0,
pp_stack=0x7fffffff6e28, n=2, na=2, nk=0) at Python/ceval.c:4324
#48 0x00000000005ad64c in call_function (pp_stack=0x7fffffff6e28, oparg=1) at
Python/ceval.c:4252
#49 0x00000000005a5b37 in PyEval_EvalFrameEx (f=0xbf37a8, throwflag=0) at
Python/ceval.c:2829
#50 0x00000000005aab83 in PyEval_EvalCodeEx (_co=0x7ffff234f700,
globals=0x7ffff234dfa8, locals=0x0, args=0xbf3668, argcount=1, kws=0xbf3670,
kwcount=0, defs=0x7ffff2352c48, defcount=1, kwdefs=0x0, closure=0x0) at
Python/ceval.c:3578
#51 0x00000000005adb71 in fast_function (func=0x7ffff22e3a68,
pp_stack=0x7fffffff8968, n=1, na=1, nk=0) at Python/ceval.c:4334
#52 0x00000000005ad64c in call_function (pp_stack=0x7fffffff8968, oparg=0) at
Python/ceval.c:4252
#53 0x00000000005a5b37 in PyEval_EvalFrameEx (f=0xbf34c8, throwflag=0) at
Python/ceval.c:2829
#54 0x00000000005ada33 in fast_function (func=0x7ffff13d21c8,
pp_stack=0x7fffffffa2b8, n=1, na=1, nk=0) at Python/ceval.c:4324
#55 0x00000000005ad64c in call_function (pp_stack=0x7fffffffa2b8, oparg=0) at
Python/ceval.c:4252
#56 0x00000000005a5b37 in PyEval_EvalFrameEx (f=0xab0208, throwflag=0) at
Python/ceval.c:2829
#57 0x00000000005ada33 in fast_function (func=0x7ffff6e106d0,
pp_stack=0x7fffffffbc08, n=0, na=0, nk=0) at Python/ceval.c:4324
#58 0x00000000005ad64c in call_function (pp_stack=0x7fffffffbc08, oparg=0) at
Python/ceval.c:4252
#59 0x00000000005a5b37 in PyEval_EvalFrameEx (f=0xa12bc8, throwflag=0) at
Python/ceval.c:2829
#60 0x00000000005aab83 in PyEval_EvalCodeEx (_co=0x7ffff6e2e7c0,
globals=0x7ffff7eb9ad8, locals=0x7ffff7eb9ad8, args=0x0, argcount=0, kws=0x0,
kwcount=0, defs=0x0, defcount=0, kwdefs=0x0, closure=0x0) at Python/ceval.c:3578
#61 0x0000000000596405 in PyEval_EvalCode (co=0x7ffff6e2e7c0,
globals=0x7ffff7eb9ad8, locals=0x7ffff7eb9ad8) at Python/ceval.c:773
#62 0x00000000004239ae in run_mod (mod=0xa9a180, filename=0x7ffff7e18380,
globals=0x7ffff7eb9ad8, locals=0x7ffff7eb9ad8, flags=0x7fffffffd910,
arena=0xa98800) at Python/pythonrun.c:2175
#63 0x0000000000420df9 in PyRun_InteractiveOneObject (fp=0x7ffff74b6340
<_IO_2_1_stdin_>, filename=0x7ffff7e18380, flags=0x7fffffffd910) at
Python/pythonrun.c:1441
#64 0x00000000004206fd in PyRun_InteractiveLoopFlags (fp=0x7ffff74b6340
<_IO_2_1_stdin_>, filename_str=0x661936 "<stdin>", flags=0x7fffffffd910) at
Python/pythonrun.c:1320
#65 0x00000000004204f3 in PyRun_AnyFileExFlags (fp=0x7ffff74b6340
<_IO_2_1_stdin_>, filename=0x661936 "<stdin>", closeit=0, flags=0x7fffffffd910)
at Python/pythonrun.c:1282
---Type <return> to continue, or q <return> to quit---
#66 0x0000000000439b4f in run_file (fp=0x7ffff74b6340 <_IO_2_1_stdin_>,
filename=0x0, p_cf=0x7fffffffd910) at Modules/main.c:319
#67 0x000000000043a791 in Py_Main (argc=1, argv=0x975020) at Modules/main.c:751
#68 0x000000000041aa19 in main (argc=1, argv=0x7fffffffdb08) at
./Modules/python.c:69
(gdb)
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<http://bugs.python.org/issue20526>
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