[Numpy-discussion] Seg. fault when running tests

Warren Weckesser warren.weckesser@gmail....
Sat Jun 15 10:43:23 CDT 2013


I'm getting a seg. fault in master when I run the tests.  I'm on Ubuntu
12.04 64 bit, with Python 3.3.2 (64 bits):

$ python3 -c "import numpy as np; np.test('full')"
Running unit tests for numpy
NumPy version 1.8.0.dev-fa5bc1c
NumPy is installed in
/home/warren/local_py332/lib/python3.3/site-packages/numpy
Python version 3.3.2 (default, Jun 14 2013, 12:12:22) [GCC 4.6.3]
nose version 1.3.0
.............................S.........................................................................................................................................................S.......................................................................................................................................................S..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................K............................................................................................................................................................................................SSS.................................................................................................K.....................................................................................................................................................................................Segmentation
fault

The seg. fault is occurring in ma/tests/test_mrecords.py:

$ nosetests test_mrecords.py
.Segmentation fault

More info:

$ python3
Python 3.3.2 (default, Jun 14 2013, 12:12:22)
[GCC 4.6.3] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import numpy as np
>>> np.show_config()
atlas_threads_info:
    library_dirs = ['/usr/lib/atlas-base/atlas', '/usr/lib/atlas-base']
    include_dirs = ['/usr/include/atlas']
    language = f77
    libraries = ['lapack', 'ptf77blas', 'ptcblas', 'atlas']
    define_macros = [('ATLAS_INFO', '"\\"3.8.4\\""')]
atlas_blas_threads_info:
    library_dirs = ['/usr/lib/atlas-base']
    include_dirs = ['/usr/include/atlas']
    language = c
    libraries = ['ptf77blas', 'ptcblas', 'atlas']
    define_macros = [('ATLAS_INFO', '"\\"3.8.4\\""')]
mkl_info:
  NOT AVAILABLE
lapack_opt_info:
    library_dirs = ['/usr/lib/atlas-base/atlas', '/usr/lib/atlas-base']
    include_dirs = ['/usr/include/atlas']
    language = f77
    libraries = ['lapack', 'ptf77blas', 'ptcblas', 'atlas']
    define_macros = [('ATLAS_INFO', '"\\"3.8.4\\""')]
blas_opt_info:
    library_dirs = ['/usr/lib/atlas-base']
    include_dirs = ['/usr/include/atlas']
    language = c
    libraries = ['ptf77blas', 'ptcblas', 'atlas']
    define_macros = [('ATLAS_INFO', '"\\"3.8.4\\""')]
lapack_mkl_info:
  NOT AVAILABLE
blas_mkl_info:
  NOT AVAILABLE
>>>

gdb:

$ gdb python3
GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2.1) 7.4-2012.04
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html
>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /home/warren/local_py332/bin/python3...done.
(gdb) run test_mrecords.py
Starting program: /home/warren/local_py332/bin/python3 test_mrecords.py
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
.
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff5f080a4 in _aligned_strided_to_contig_size8_srcstride0
(dst=<optimized out>,
    dst_stride=<optimized out>, src=<optimized out>,
__NPY_UNUSED_TAGGEDsrc_stride=<optimized out>,
    N=<optimized out>, __NPY_UNUSED_TAGGEDsrc_itemsize=<optimized out>,
__NPY_UNUSED_TAGGEDdata=0x0)
    at numpy/core/src/multiarray/lowlevel_strided_loops.c.src:190
190            *((@type@ *)dst) = temp;
(gdb)


Warren
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