[Numpy-discussion] glibc error

[David Cournapeau]

Gideon Simpson wrote:
> Having built an up to date lapack and ATLAS against gcc 4.3.2, I tried  
> installing numpy 1.2.1 on Python 2.5.4.  When testing I get:
>
> Python 2.5.4 (r254:67916, Jan 24 2009, 00:27:20)
> [GCC 4.3.2] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
>  >>> import numpy
>  >>> numpy.test()
> Running unit tests for numpy
> NumPy version 1.2.1
> NumPy is installed in /usr/local/nonsystem/simpson/lib/python2.5/site- 
> packages/numpy
> Python version 2.5.4 (r254:67916, Jan 24 2009, 00:27:20) [GCC 4.3.2]
> nose version 0.10.4
> ..........................................................................................................................................................................................................................................................................................................................................................................................................................................F 
> ................K 
> ........................................................................ 
> ........................................................................ 
> ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................*** glibc 
>   detected *** python: free(): invalid next size (fast):  
> 0x000000001196b550 ***
>   

Can you rerun the test verbosely ?

python -c "import numpy; numpy.test(verbose=10)"

This glibc message is generally a symptom of serious memory corruption -
which is why only the OS can stop it at that point.

cheers,

David