[Numpy-discussion] Fwd: numpy test fails with "Illegal instruction'

Gerhard Burger burger.ga@gmail....
Thu Jan 17 08:18:04 CST 2013


I read somewhere that it could have to do with the sse instructions that
your processor is capable of, but my processor is not that old, so I would
think that is not the problem...



On Thu, Jan 17, 2013 at 3:12 PM, Scott Sinclair <scott.sinclair.za@gmail.com
> wrote:

> On 17 January 2013 12:01, Gerhard Burger <burger.ga@gmail.com> wrote:
> > When I run `numpy.test(verbose=10)` it crashes with
> >
> >     test_polyfit (test_polynomial.TestDocs) ... Illegal instruction
> >
> > In the FAQ it states that I should provide the following information
> > (running Ubuntu 12.04 64bit):
> >
> >     os.name = 'posix'
> >     uname -r = 3.2.0-35-generic
> >     sys.platform = 'linux2'
> >     sys.version = '2.7.3 (default, Aug  1 2012, 05:14:39) \n[GCC 4.6.3]'
> >
> > Atlas is not installed (not required for numpy, only for scipy right?)
> >
> > It fails both when I install numpy 1.6.2 with `pip install numpy` and if
> I
> > install the latest dev version from git.
>
> Very strange. I tried to reproduce this on 64-bit Ubuntu 12.04 (by
> removing my ATLAS, BLAS, LAPACK etc..) but couldn't:
>
> $ python -c "import numpy; numpy.test()"
> Running unit tests for numpy
> NumPy version 1.6.2
> NumPy is installed in
> /home/scott/.virtualenvs/numpy-tmp/local/lib/python2.7/site-packages/numpy
> Python version 2.7.3 (default, Aug  1 2012, 05:14:39) [GCC 4.6.3]
> nose version 1.2.1
> .........
> ----------------------------------------------------------------------
> Ran 3568 tests in 14.170s
>
> OK (KNOWNFAIL=5, SKIP=5)
>
> $ python -c "import numpy; numpy.show_config()"
> blas_info:
>   NOT AVAILABLE
> lapack_info:
>   NOT AVAILABLE
> atlas_threads_info:
>   NOT AVAILABLE
> blas_src_info:
>   NOT AVAILABLE
> lapack_src_info:
>   NOT AVAILABLE
> atlas_blas_threads_info:
>   NOT AVAILABLE
> lapack_opt_info:
>   NOT AVAILABLE
> blas_opt_info:
>   NOT AVAILABLE
> atlas_info:
>   NOT AVAILABLE
> lapack_mkl_info:
>   NOT AVAILABLE
> blas_mkl_info:
>   NOT AVAILABLE
> atlas_blas_info:
>   NOT AVAILABLE
> mkl_info:
>   NOT AVAILABLE
>
> Cheers,
> Scott
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