>>>>> "Glen" == Glen W Mabey <[EMAIL PROTECTED]> writes:

    Glen> Hello, I've just switched to Python 2.5 and at the same time
    Glen> upgraded to numpy 1.0.1 with today's svn matplotlib, using
    Glen> the QtAgg backend (PyQt3 3.17).  This is on an AMD64
    Glen> (Opteron) machine.

    Glen> I get a segfault after these operations:

    Glen> In [1]:import numpy as N In [2]:specgram( N.random.randn(
    Glen> 256*500 ) ) Segmentation fault (core dumped)

1) Are you sure that matplotlib's numerix setting is numpy?

2) Did you do a *clean* build of mpl: ie 
   > sudo rm -rf build
   > sudo python setup.py install

The latter is very important when upgrading Numeric/numpy/numarray


It could be an AMD64 bit problem, though...

JDH

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