reassign 480721 ctypes
thanks
not a python bug, please check it with ctypes and/or current libffi.
Kurt Roeckx writes:
> Package: python2.4
> Version: 2.4.5-2
> Severity: important
>
> Hi,
>
> When building ctypes (1.0.2-5) on amd64, I get the following error:
> running build_ext
> find_library('c') -> libc.so.6
> find_library('m') -> libm.so.6
> ..............................................................................................make[1]:
> *** [install-python2.4] Segmentation fault
>
> Core was generated by `python2.4 setup.py test'.
> Program terminated with signal 4, Illegal instruction.
> [New process 5520]
> #0 0x00002ad46533ff28 in ?? ()
> (gdb) bt
> #0 0x00002ad46533ff28 in ?? ()
> #1 0x00002ad4637bf8bc in ffi_call_unix64 () from /usr/lib/libffi.so.5
> #2 0x00002ad4637bf305 in ffi_call (cif=0x7fff485dd290, fn=0x2ad46533ff28,
> rvalue=0x7fff485dd1e0, avalue=0x7fff485dd1c0) at ../src/x86/ffi64.c:430
> #3 0x00002ad4635a6de1 in _CallProc (pProc=0x2ad46533ff28,
> argtuple=0x2ad464a41998, flags=<value optimized out>,
> argtypes=0x2ad464a42f38, restype=0x81cc50, checker=0x0)
> at source/callproc.c:668
> #4 0x00002ad4635a1f61 in CFuncPtr_call (self=0x2ad464a4f050, inargs=0x2,
> kwds=0x0) at source/_ctypes.c:3362
> #5 0x0000000000415660 in PyObject_Call (func=0x1, arg=0x2, kw=0x2)
> at ../Objects/abstract.c:1795
> #6 0x0000000000474164 in PyEval_EvalFrame (f=0x7c4580)
> at ../Python/ceval.c:3776
> #7 0x0000000000477520 in PyEval_EvalFrame (f=0x7a6710)
> at ../Python/ceval.c:3651
> #8 0x00000000004780a4 in PyEval_EvalCodeEx (co=0x2ad463505260,
> globals=<value optimized out>, locals=<value optimized out>,
> args=0x2ad464a41f98, argcount=2, kws=0x8ae710, kwcount=0,
> defs=0x2ad463501728, defcount=1, closure=0x0) at ../Python/ceval.c:2741
> #9 0x00000000004c039c in function_call (func=0x2ad46350aa28,
> arg=0x2ad464a41f80, kw=0x921820) at ../Objects/funcobject.c:548
> #10 0x0000000000415660 in PyObject_Call (func=0x1, arg=0x2, kw=0x2)
> at ../Objects/abstract.c:1795
> #11 0x00000000004753fa in PyEval_EvalFrame (f=0x7c5580)
> at ../Python/ceval.c:3845
> #12 0x00000000004780a4 in PyEval_EvalCodeEx (co=0x2ad4635052d0,
> globals=<value optimized out>, locals=<value optimized out>,
> args=0x2ad464a3ab18, argcount=2, kws=0x0, kwcount=0, defs=0x0, defcount=0,
> closure=0x0) at ../Python/ceval.c:2741
> #13 0x00000000004c0403 in function_call (func=0x2ad46350aaa0,
> arg=0x2ad464a3ab00, kw=0x0) at ../Objects/funcobject.c:548
> #14 0x0000000000415660 in PyObject_Call (func=0x1, arg=0x2, kw=0x2)
> at ../Objects/abstract.c:1795
> #15 0x000000000041b3af in instancemethod_call (func=0x2ad46350aaa0,
> arg=0x2ad464a3ab00, kw=0x0) at ../Objects/classobject.c:2532
> #16 0x0000000000415660 in PyObject_Call (func=0x1, arg=0x2, kw=0x2)
> at ../Objects/abstract.c:1795
> #17 0x000000000044a546 in slot_tp_call (self=<value optimized out>,
> args=0x2ad464a48d90, kwds=0x0) at ../Objects/typeobject.c:4546
> #18 0x0000000000415660 in PyObject_Call (func=0x1, arg=0x2, kw=0x2)
> at ../Objects/abstract.c:1795
> #19 0x0000000000474164 in PyEval_EvalFrame (f=0x7a6430)
> at ../Python/ceval.c:3776
> #20 0x00000000004780a4 in PyEval_EvalCodeEx (co=0x2ad463505c00,
> globals=<value optimized out>, locals=<value optimized out>,
> args=0x2ad464a414a0, argcount=2, kws=0x905a70, kwcount=0, defs=0x0,
> defcount=0, closure=0x0) at ../Python/ceval.c:2741
> #21 0x00000000004c039c in function_call (func=0x2ad46350c320,
> arg=0x2ad464a41488, kw=0x921700) at ../Objects/funcobject.c:548
> #22 0x0000000000415660 in PyObject_Call (func=0x1, arg=0x2, kw=0x2)
> at ../Objects/abstract.c:1795
> #23 0x00000000004753fa in PyEval_EvalFrame (f=0x793800)
> at ../Python/ceval.c:3845
> #24 0x00000000004780a4 in PyEval_EvalCodeEx (co=0x2ad463505c70,
> globals=<value optimized out>, locals=<value optimized out>,
> args=0x2ad464a41800, argcount=2, kws=0x0, kwcount=0, defs=0x0, defcount=0,
> closure=0x0) at ../Python/ceval.c:2741
> #25 0x00000000004c0403 in function_call (func=0x2ad46350c398,
> arg=0x2ad464a417e8, kw=0x0) at ../Objects/funcobject.c:548
> #26 0x0000000000415660 in PyObject_Call (func=0x1, arg=0x2, kw=0x2)
> at ../Objects/abstract.c:1795
> #27 0x000000000041b3af in instancemethod_call (func=0x2ad46350c398,
> arg=0x2ad464a417e8, kw=0x0) at ../Objects/classobject.c:2532
> #28 0x0000000000415660 in PyObject_Call (func=0x1, arg=0x2, kw=0x2)
> at ../Objects/abstract.c:1795
> #29 0x000000000044a546 in slot_tp_call (self=<value optimized out>,
> args=0x2ad464a48cd0, kwds=0x0) at ../Objects/typeobject.c:4546
> #30 0x0000000000415660 in PyObject_Call (func=0x1, arg=0x2, kw=0x2)
> at ../Objects/abstract.c:1795
> #31 0x0000000000474164 in PyEval_EvalFrame (f=0x7d91d0)
> at ../Python/ceval.c:3776
> #32 0x00000000004780a4 in PyEval_EvalCodeEx (co=0x2ad463505c00,
> globals=<value optimized out>, locals=<value optimized out>,
> args=0x2ad464a3a770, argcount=2, kws=0x916c20, kwcount=0, defs=0x0,
> defcount=0, closure=0x0) at ../Python/ceval.c:2741
> #33 0x00000000004c039c in function_call (func=0x2ad46350c320,
> arg=0x2ad464a3a758, kw=0x9215e0) at ../Objects/funcobject.c:548
> #34 0x0000000000415660 in PyObject_Call (func=0x1, arg=0x2, kw=0x2)
> at ../Objects/abstract.c:1795
> #35 0x00000000004753fa in PyEval_EvalFrame (f=0x7e8560)
> at ../Python/ceval.c:3845
> #36 0x00000000004780a4 in PyEval_EvalCodeEx (co=0x2ad463505c70,
> globals=<value optimized out>, locals=<value optimized out>,
> args=0x2ad464a41e30, argcount=2, kws=0x0, kwcount=0, defs=0x0, defcount=0,
> closure=0x0) at ../Python/ceval.c:2741
> #37 0x00000000004c0403 in function_call (func=0x2ad46350c398,
> arg=0x2ad464a41e18, kw=0x0) at ../Objects/funcobject.c:548
> #38 0x0000000000415660 in PyObject_Call (func=0x1, arg=0x2, kw=0x2)
> at ../Objects/abstract.c:1795
> #39 0x000000000041b3af in instancemethod_call (func=0x2ad46350c398,
> arg=0x2ad464a41e18, kw=0x0) at ../Objects/classobject.c:2532
> #40 0x0000000000415660 in PyObject_Call (func=0x1, arg=0x2, kw=0x2)
> at ../Objects/abstract.c:1795
> #41 0x000000000044a546 in slot_tp_call (self=<value optimized out>,
> args=0x2ad46268c590, kwds=0x0) at ../Objects/typeobject.c:4546
> #42 0x0000000000415660 in PyObject_Call (func=0x1, arg=0x2, kw=0x2)
> at ../Objects/abstract.c:1795
> #43 0x0000000000474164 in PyEval_EvalFrame (f=0x7e7090)
> at ../Python/ceval.c:3776
> #44 0x0000000000477520 in PyEval_EvalFrame (f=0x790b70)
> at ../Python/ceval.c:3651
> #45 0x0000000000477520 in PyEval_EvalFrame (f=0x72c7c0)
> at ../Python/ceval.c:3651
> #46 0x0000000000477520 in PyEval_EvalFrame (f=0x7f3ac0)
> at ../Python/ceval.c:3651
> #47 0x0000000000477520 in PyEval_EvalFrame (f=0x765560)
> at ../Python/ceval.c:3651
> #48 0x0000000000477520 in PyEval_EvalFrame (f=0x77e280)
> at ../Python/ceval.c:3651
> #49 0x00000000004780a4 in PyEval_EvalCodeEx (co=0x2ad462545d50,
> globals=<value optimized out>, locals=<value optimized out>,
> args=0x747390, argcount=0, kws=0x7472c0, kwcount=14, defs=0x0, defcount=0,
> closure=0x0) at ../Python/ceval.c:2741
> #50 0x00000000004773d3 in PyEval_EvalFrame (f=0x747130)
> at ../Python/ceval.c:3661
> #51 0x00000000004780a4 in PyEval_EvalCodeEx (co=0x2ad462545c70,
> globals=<value optimized out>, locals=<value optimized out>, args=0x0,
> argcount=0, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0)
> at ../Python/ceval.c:2741
> #52 0x00000000004781c2 in PyEval_EvalCode (co=0x1, globals=0x2, locals=0x2)
> at ../Python/ceval.c:484
> #53 0x000000000049c62a in PyRun_FileExFlags (fp=0x729010,
> filename=0x7fff485e1cfd "setup.py", start=<value optimized out>,
> globals=0x72a6a0, locals=0x72a6a0, closeit=<value optimized out>,
> flags=0x7fff485dff60) at ../Python/pythonrun.c:1287
> #54 0x000000000049c879 in PyRun_SimpleFileExFlags (fp=0x729010,
> filename=0x7fff485e1cfd "setup.py", closeit=1, flags=0x7fff485dff60)
> at ../Python/pythonrun.c:871
> #55 0x0000000000412449 in Py_Main (argc=<value optimized out>,
> argv=0x7fff485e0088) at ../Modules/main.c:493
> #56 0x00002ad462fa31c4 in __libc_start_main () from /lib/libc.so.6
> #57 0x0000000000411969 in _start ()
>
> It seems that the "fn" in ffi_call() (#2) is what is getting called,
> which that gets from _CallProc()'s pProc:
> (gdb) frame 3
> #3 0x00002ad4635a6de1 in _CallProc (pProc=0x2ad46533ff28,
> argtuple=0x2ad464a41998, flags=<value optimized out>,
> argtypes=0x2ad464a42f38, restype=0x81cc50, checker=0x0)
> at source/callproc.c:668
> 668 ffi_call(&cif, (void *)pProc, resmem,
> avalues);
> (gdb) up
> #4 0x00002ad4635a1f61 in CFuncPtr_call (self=0x2ad464a4f050, inargs=0x2,
> kwds=0x0) at source/_ctypes.c:3362
> 3362 result = _CallProc(pProc,
>
> Which comes from:
> (gdb) p (void **)self->b_ptr
> $5 = (void **) 0x2ad464a4f090
> (gdb) p *(void **)self->b_ptr
> $6 = (void *) 0x2ad46533ff28
>
> (gdb) p *self
> $11 = {ob_refcnt = 4, ob_type = 0x950130, b_ptr = 0x2ad464a4f090 "(ÿ3eO*",
> b_needsfree = 1, b_base = 0x0, b_size = 8, b_length = 1, b_index = 0,
> b_objects = 0x929fd0, b_value = {
> c = "(ÿ3eO*\000\000\000\000\000\000\000\000\000", s = -216,
> i = 1697906472, l = 47091719339816, f = 5.31256502e+22,
> d = 2.3266400729400912e-310, ll = 47091719339816}, thunk = 0x78d740,
> callable = 0x2ad464a46c80, converters = 0x0, argtypes = 0x0, restype = 0x0,
> checker = 0x0, errcheck = 0x0, paramflags = 0x0}
>
>
> Kurt
>
>
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