[Numpy-discussion] segfault on complex array on solaris x86

[Ralf Gommers]

I've opened http://projects.scipy.org/numpy/ticket/1713 so this doesn't get
lost.

Ralf


On Thu, Jan 6, 2011 at 12:27 AM, John Hunter <jdh2358 at gmail.com> wrote:

> johnh at udesktop253:~> gcc --version
> gcc (GCC) 3.4.3 (csl-sol210-3_4-branch+sol_rpath)
> Copyright (C) 2004 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>
> johnh at udesktop253:~> uname -a
> SunOS udesktop253 5.10 Generic_142910-17 i86pc i386 i86pc
>
> johnh at udesktop253:~> cat test.py
> import numpy as np
> print np.__version__
> fs = 1000
> t = np.linspace(0, 0.3, 301)
> A = np.array([2, 8]).reshape(-1, 1)
> f = np.array([150, 140]).reshape(-1, 1)
> xn = (A * np.exp(2j * np.pi * f * t)).sum(axis=0)
>
> johnh at udesktop253:~> python test.py
> 2.0.0.dev-9451260
> Segmentation Fault (core dumped)
> johnh at udesktop253:~>
>
> johnh at udesktop253:~> sudo pstack /var/core/core.python.957
> core '/var/core/core.python.957' of 9397:       python test.py
>  febf1928 cexp     (0, 0, 0, 0, 8060ab0, 84321ac) + 1b0
>  fe9657e0 npy_cexp (80458e0, 0, 0, 0, 0, 84e2530) + 30
>  fe95064f nc_exp   (8045920, 84e72a0, 8045978, 8045920, 10, 10) + 3f
>  fe937d5b PyUFunc_D_D (84e2530, 84e20f4, 84e25b0, fe950610, 1, 0) + 5b
>  fe95e818 PyUFunc_GenericFunction (81e96e0, 807deac, 0, 80460b8, 2, 2) +
> 448
>  fe95fb10 ufunc_generic_call (81e96e0, 807deac, 0, fe98a820) + 70
>  feeb2d78 PyObject_Call (81e96e0, 807deac, 0, 80a24ec, 8061c08, 0) + 28
>  fef11900 PyEval_EvalFrame (80a2394, 81645a0, 8079824, 8079824) + 146c
>  fef17708 PyEval_EvalCodeEx (81645a0, 8079824, 8079824, 0, 0, 0) + 620
>  fef178af PyEval_EvalCode (81645a0, 8079824, 8079824, 8061488, fef3d9ee, 0)
> + 2f
>  fef3d095 PyRun_FileExFlags (feb91c98, 804687b, 101, 8079824, 8079824, 1) +
> 75
>  fef3d9ee PyRun_SimpleFileExFlags (feb91c98, 804687b, 1, 80465a8, fef454a1,
> 804687b) + 172
>  fef3e4fd PyRun_AnyFileExFlags (feb91c98, 804687b, 1, 80465a8) + 61
>  fef454a1 Py_Main  (1, 80466b8, feb1cf35, fea935a1, 29, feb96750) + 9d9
>  08050862 main     (2, 80466b8, 80466c4) + 22
>  08050758 _start   (2, 8046874, 804687b, 0, 8046883, 80468ad) + 60
>
>
>
>
>
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