Re: psycopg2 2.0.8 - segmentation fault

On Wed, Mar 25, 2009 at 12:51 PM, James Henstridge <[email protected]>wrote:

>
> Compiling with pydebug is not necessary.  If I'm debugging
>
> Just make sure the code is compiled with the "-g" flag passed to the
> compiler (this should happen automatically if you're using gcc and
> haven't overridden CFLAGS), and don't strip the executables and
> libraries when installing.
>
> The same goes for compiling psycopg2.
>
> If debug information is available, then we should get the actual
> function names in stack traces.  And if you produce a stack trace with
> gdb, we should also get information about the function arguments.
>
>
Thanks. This worked. We now have the backtrace with debug information:

Program received signal SIGABRT, Aborted.
[Switching to Thread 1283557696 (LWP 12437)]
0x00002b2fdc478535 in raise () from /lib64/libc.so.6
(gdb) bt
#0  0x00002b2fdc478535 in raise () from /lib64/libc.so.6
#1  0x00002b2fdc479990 in abort () from /lib64/libc.so.6
#2  0x00002b2fdc4af6db in __libc_message () from /lib64/libc.so.6
#3  0x00002b2fdc4b48fe in malloc_printerr () from /lib64/libc.so.6
#4  0x00002b2fdc4b5f36 in free () from /lib64/libc.so.6
#5  0x00002b2fe062f7e7 in connection_dealloc (obj=0x2aaaaac0ef30) at
psycopg/connection_type.c:464
#6  0x00002b2fdb3a6006 in subtype_dealloc (self=0x2aaaaac0ef30) at
Objects/typeobject.c:703
#7  0x00002b2fdb38b8e3 in dict_dealloc (mp=0xfdf4c0) at
Objects/dictobject.c:728
#8  0x00002b2fdb3a5f65 in subtype_dealloc (self=0xf453d0) at
Objects/typeobject.c:691
#9  0x00002b2fdb37764a in frame_dealloc (f=0xea8990) at
Objects/frameobject.c:394
#10 0x00002b2fdb3db228 in fast_function (func=0x2b2fdcdcd578,
pp_stack=0x4c816a10, n=2, na=2, nk=0) at Python/ceval.c:3632
#11 0x00002b2fdb3daff0 in call_function (pp_stack=0x4c816a10, oparg=1) at
Python/ceval.c:3568
#12 0x00002b2fdb3d73f7 in PyEval_EvalFrame (f=0x1c2fed0) at
Python/ceval.c:2163
#13 0x00002b2fdb3db1e8 in fast_function (func=0x2b2fdcdcd9b0,
pp_stack=0x4c816d60, n=4, na=4, nk=0) at Python/ceval.c:3629
#14 0x00002b2fdb3daff0 in call_function (pp_stack=0x4c816d60, oparg=3) at
Python/ceval.c:3568
#15 0x00002b2fdb3d73f7 in PyEval_EvalFrame (f=0x1c12eb0) at
Python/ceval.c:2163
#16 0x00002b2fdb3d91f5 in PyEval_EvalCodeEx (co=0x2b2fdce49180,
globals=0x6036b0, locals=0x0, args=0xa31c98, argcount=3, kws=0xa31cb0,
    kwcount=2, defs=0x2b2fdcdc6650, defcount=2, closure=0x0) at
Python/ceval.c:2730
#17 0x00002b2fdb3db2d6 in fast_function (func=0x2b2fdcdcdc80,
pp_stack=0x4c817240, n=7, na=3, nk=2) at Python/ceval.c:3640
#18 0x00002b2fdb3daff0 in call_function (pp_stack=0x4c817240, oparg=514) at
Python/ceval.c:3568
#19 0x00002b2fdb3d73f7 in PyEval_EvalFrame (f=0xa31ae0) at
Python/ceval.c:2163
#20 0x00002b2fdb3d91f5 in PyEval_EvalCodeEx (co=0x2b2fdce490a0,
globals=0x6036b0, locals=0x0, args=0x163de28, argcount=1, kws=0x12c1de0,
    kwcount=0, defs=0x0, defcount=0, closure=0x0) at Python/ceval.c:2730
#21 0x00002b2fdb37a158 in function_call (func=0x2b2fdcdcdb90, arg=0x163de10,
kw=0x704e60) at Objects/funcobject.c:548
#22 0x00002b2fdb3609f7 in PyObject_Call (func=0x2b2fdcdcdb90, arg=0x163de10,
kw=0x704e60) at Objects/abstract.c:1751
#23 0x00002b2fdb3db9d9 in ext_do_call (func=0x2b2fdcdcdb90,
pp_stack=0x4c817708, flags=3, na=1, nk=0) at Python/ceval.c:3824
#24 0x00002b2fdb3d7589 in PyEval_EvalFrame (f=0x138e000) at
Python/ceval.c:2203
#25 0x00002b2fdb3db1e8 in fast_function (func=0x2b2fdc918f50,
pp_stack=0x4c817a60, n=1, na=1, nk=0) at Python/ceval.c:3629
#26 0x00002b2fdb3daff0 in call_function (pp_stack=0x4c817a60, oparg=0) at
Python/ceval.c:3568
#27 0x00002b2fdb3d73f7 in PyEval_EvalFrame (f=0x9c1c70) at
Python/ceval.c:2163
#28 0x00002b2fdb3d91f5 in PyEval_EvalCodeEx (co=0x2b2fdc90be30,
globals=0x6fd5a0, locals=0x0, args=0x163dba8, argcount=1, kws=0x0,
    kwcount=0, defs=0x0, defcount=0, closure=0x0) at Python/ceval.c:2730
#29 0x00002b2fdb37a158 in function_call (func=0x2b2fdc919050, arg=0x163db90,
kw=0x0) at Objects/funcobject.c:548
#30 0x00002b2fdb3609f7 in PyObject_Call (func=0x2b2fdc919050, arg=0x163db90,
kw=0x0) at Objects/abstract.c:1751
#31 0x00002b2fdb36a0c6 in instancemethod_call (func=0x2b2fdc919050,
arg=0x163db90, kw=0x0) at Objects/classobject.c:2431
#32 0x00002b2fdb3609f7 in PyObject_Call (func=0x1560910, arg=0x2b2fdc78e050,
kw=0x0) at Objects/abstract.c:1751
#33 0x00002b2fdb3da7b6 in PyEval_CallObjectWithKeywords (func=0x1560910,
arg=0x2b2fdc78e050, kw=0x0) at Python/ceval.c:3419
#34 0x00002b2fdb40d758 in t_bootstrap (boot_raw=0x16abab0) at
./Modules/threadmodule.c:432
#35 0x00002b2fdb6c809e in start_thread () from /lib64/libpthread.so.0
#36 0x00002b2fdc5094cd in clone () from /lib64/libc.so.6
#37 0x0000000000000000 in ?? ()

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