Re: segmentation violations

I was able to get a good backtrace from gdb this time. This is with cx_Oracle 5.2.1. I get a SIGSEGV on the second connection attempt in the test run. 
Core was generated by `python gist/testoracle.py --fault --count 20 --info'.
Program terminated with signal 11, Segmentation fault.
#0 0x0000003c9ee0f6ab in raise () from /lib64/libpthread.so.0
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.192.el6.x86_64 libaio-0.3.107-10.el6.x86_64 oracle-instantclient12.1-basic-12.1.0.2.0-1.x86_64 python27-2.7.8-1.x86_64
(gdb) bt
#0 0x0000003c9ee0f6ab in raise () from /lib64/libpthread.so.0
#1 <signal handler called>
#2 0x00007f5ab2f3ddff in __intel_ssse3_rep_memcpy () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#3 0x00007f5ab2f36cc6 in _intel_fast_memcpy.P () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#4 0x00007f5ab4108828 in nsdo () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#5 0x00007f5ab24cbd6e in nsbasic_sd () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#6 0x00007f5ab24cc024 in nssend () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#7 0x00007f5ab2448915 in nsnasend () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#8 0x00007f5ab2497145 in nacomsn () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#9 0x00007f5ab2490690 in na_client () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#10 0x00007f5ab248a0fa in naconnect () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#11 0x00007f5ab2442a80 in nsnadoconn () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#12 0x00007f5ab243ee20 in nsnaconn () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#13 0x00007f5ab23efef2 in nscall () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#14 0x00007f5ab24700bb in niotns () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#15 0x00007f5ab24e796b in nigcall () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#16 0x00007f5ab2479742 in osncon () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#17 0x00007f5ab2330461 in kpuadef () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#18 0x00007f5ab2314c7a in upiini () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#19 0x00007f5ab2309b31 in upiah0 () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#20 0x00007f5ab232f2f8 in kpuatch () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#21 0x00007f5ab231847f in OCIServerAttach () from /usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1
#22 0x00007f5ab4dc145d in Connection_Connect (self=0x7f5ab0178c70, args=<value optimized out>, keywordArgs=<value optimized out>)
 at Connection.c:603
#23 Connection_Init (self=0x7f5ab0178c70, args=<value optimized out>, keywordArgs=<value optimized out>) at Connection.c:914
#24 0x00007f5abb087078 in type_call (type=<value optimized out>, args=0x7f5ab02a9960, kwds=0x7f5ab02d2050) at Objects/typeobject.c:745
#25 0x00007f5abb0241a3 in PyObject_Call (func=0x7f5ab4fcc8e0, arg=<value optimized out>, kw=<value optimized out>)
 at Objects/abstract.c:2529
#26 0x00007f5abb0d2dfd in do_call (f=<value optimized out>, throwflag=<value optimized out>) at Python/ceval.c:4251
#27 call_function (f=<value optimized out>, throwflag=<value optimized out>) at Python/ceval.c:4056
#28 PyEval_EvalFrameEx (f=<value optimized out>, throwflag=<value optimized out>) at Python/ceval.c:2679
#29 0x00007f5abb0d43ae in fast_function (f=<value optimized out>, throwflag=<value optimized out>) at Python/ceval.c:4119
#30 call_function (f=<value optimized out>, throwflag=<value optimized out>) at Python/ceval.c:4054
#31 PyEval_EvalFrameEx (f=<value optimized out>, throwflag=<value optimized out>) at Python/ceval.c:2679
#32 0x00007f5abb0d54ae in PyEval_EvalCodeEx (co=0x7f5abaf4cb30, globals=<value optimized out>, locals=<value optimized out>,
 args=<value optimized out>, argcount=0, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0) at Python/ceval.c:3265
#33 0x00007f5abb0d55c2 in PyEval_EvalCode (co=<value optimized out>, globals=<value optimized out>, locals=<value optimized out>)
 at Python/ceval.c:673
#34 0x00007f5abb0f52a0 in run_mod (fp=0x61b5c0, filename=<value optimized out>, start=<value optimized out>, globals=0x7f5abaf6c168,
 locals=0x7f5abaf6c168, closeit=1, flags=0x7fff44330810) at Python/pythonrun.c:1377
#35 PyRun_FileExFlags (fp=0x61b5c0, filename=<value optimized out>, start=<value optimized out>, globals=0x7f5abaf6c168,
 locals=0x7f5abaf6c168, closeit=1, flags=0x7fff44330810) at Python/pythonrun.c:1363
#36 0x00007f5abb0f547f in PyRun_SimpleFileExFlags (fp=0x61b5c0, filename=0x7fff44331521 "gist/testoracle.py", closeit=1,
 flags=0x7fff44330810) at Python/pythonrun.c:955
#37 0x00007f5abb10ac44 in Py_Main (argc=<value optimized out>, argv=<value optimized out>) at Modules/main.c:640
#38 0x0000003c9e61ed1d in __libc_start_main () from /lib64/libc.so.6
#39 0x0000000000400649 in _start () 
​ 
-- 
Fred Yankowski 
[email protected] +1-630-907-5019

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