segfault on complex array on solaris x86
johnh@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@udesktop253:~> uname -a SunOS udesktop253 5.10 Generic_142910-17 i86pc i386 i86pc johnh@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@udesktop253:~> python test.py 2.0.0.dev-9451260 Segmentation Fault (core dumped) johnh@udesktop253:~> johnh@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
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@gmail.com> wrote:
johnh@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@udesktop253:~> uname -a SunOS udesktop253 5.10 Generic_142910-17 i86pc i386 i86pc
johnh@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@udesktop253:~> python test.py 2.0.0.dev-9451260 Segmentation Fault (core dumped) johnh@udesktop253:~>
johnh@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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On Sat, Jan 15, 2011 at 7:28 AM, Ralf Gommers <ralf.gommers@googlemail.com> wrote:
I've opened http://projects.scipy.org/numpy/ticket/1713 so this doesn't get lost.
Just wanted to bump this -- bug still exists in numpy HEAD 2.0.0.dev-fe3852f
On Wed, Apr 13, 2011 at 8:50 AM, John Hunter <jdh2358@gmail.com> wrote:
On Sat, Jan 15, 2011 at 7:28 AM, Ralf Gommers <ralf.gommers@googlemail.com> wrote:
I've opened http://projects.scipy.org/numpy/ticket/1713 so this doesn't get lost.
Just wanted to bump this -- bug still exists in numpy HEAD 2.0.0.dev-fe3852f
Just wanted to mention that this segfault still exists in 2.0.0.dev-4386275 and I updated the ticket at http://projects.scipy.org/numpy/ticket/1713 with a much simpler test script. Basically:: import numpy as np xn = np.exp(2j) is causing a segfault on my solaris platform
participants (2)
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John Hunter -
Ralf Gommers