[SciPy-dev] Segmentation fault in symeig.test.test()

Pearu Peterson pearu at scipy.org
Sat Nov 20 02:05:25 CST 2004



On Sat, 20 Nov 2004, Nils Wagner wrote:

> Hi,
>
> I cannot resolve the problem with symeig.test.test() with respect to the 
> symeig package.
> http://mdp-toolkit.sourceforge.net/symeig.html
>
> A back trace yields
>
> (no debugging symbols found)...>>> symeig.test.test()
> Random Seed:  (1268049219, 2102953867)
> testComplex (symeig.test.test_symeig.SymeigTestCase) ...
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 1077041376 (LWP 16623)]
> 0x411c1960 in ATL_cdotc_xp0yp0aXbX () from 
> /usr/lib/python2.3/site-packages/symeig/froutines.so
> (gdb) bt
> #0  0x411c1960 in ATL_cdotc_xp0yp0aXbX () from 
> /usr/lib/python2.3/site-packages/symeig/froutines.so
> #1  0x411b5463 in cdotc_ () from 
> /usr/lib/python2.3/site-packages/symeig/froutines.so
> #2  0x41aac5fc in ?? () from

<snip>

> Any idea what is erroneous here ?
>
> Can someone reproduce the segmentation fault ?

I cannot. Try building symeig against ATLAS 3.6.0 or Fortran LAPACK
to see if the problem persists.

Pearu




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