[SciPy-Dev] segfault in test_qhull.TestRidgeIter2D.test_complicated

Jens Nielsen jhn@phys.au...
Mon Nov 15 04:10:40 CST 2010


I get a segmentation fault at the same point on ubuntu 10.10 both 64
bit and 32 bit versions
but only when linking against atlas. Linking against blas and lapack
only is fine.

However using python 2.6 everything is fine even when using atlas.

Jens Nielsen


On Mon, Nov 15, 2010 at 2:07 AM, Pauli Virtanen <pav@iki.fi> wrote:
> On Mon, 15 Nov 2010 00:54:46 +0000, Pauli Virtanen wrote:
>> On Mon, 15 Nov 2010 01:15:07 +0100, Zbyszek Szmek wrote: [clip]
>>> >>> import numpy as np; from scipy.spatial import qhull
>>> >>> qhull.Delaunay(np.array([(0, 0), (0, 1), (1,0), (1,1) ]))
>>
>> Works for me on Python 2.6 and 3.1, with Numpy 1.5.x branch.
>>
>> 1) What compiler you used?
>>
>> 2) Does it occur on Python 2 for you?
>>
>> 3) Do you get it with Numpy 1.5.x?
>
> Cannot reproduce it on the Numpy 2 branch either:
>
> Python 3.1.2 (release31-maint, Sep 17 2010, 20:27:33)
> [GCC 4.4.5] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import numpy as np; from scipy.spatial import qhull; print("AAAAA");
> qhull.Delaunay(np.array([(0, 0), (0, 1), (1,0), (1,1) ])); print("BBBBB")
> AAAAAA
> <scipy.spatial.qhull.Delaunay object at 0x1d0f590>
> BBBBB
>>>> np.__version__
> '2.0.0.dev-d1a184c'
>
> Valgrind doesn't show anything suspicious. My gcc version used for
> compiling Numpy and Scipy was 4.4.5.
>
> --
> Pauli Virtanen
>
> _______________________________________________
> SciPy-Dev mailing list
> SciPy-Dev@scipy.org
> http://mail.scipy.org/mailman/listinfo/scipy-dev
>


More information about the SciPy-Dev mailing list