[Numpy-discussion] Crashes and test failures

Charles R Harris charlesr.harris@gmail....
Thu Mar 22 12:20:10 CDT 2012


On Thu, Mar 22, 2012 at 11:07 AM, Gael Varoquaux <
gael.varoquaux@normalesup.org> wrote:

>
> Hi list,
>
> I just got a new laptop, running Ubuntu 11.10 64bit on an Intel i7.
> I am a bit intriged by the test results of numpy on this box.
>
> First of all, master builds and imports OK, but the simplest test case
> crashes with a segfault:
>
>    import numpy as np
>    a = np.ones(10, dtype=np.bool)
>    np.all(a)
>
> Am I the only one to see this? If so, I am wiling to investigate, but
> I'll need a bit of help, as I had a look with gcc, and the crash
> seems burried deep in the guts of numpy.
>
> Second, I backed out a bit, and checkout out the 1.6.1 tag. It builds
> alright and doesn't segfault, but I am getting a few test failures
> (pasted at the end of the mail). I haven't been following the mailing
> list well-enough lately, so I am unsure: are these known failure. I was
> surprised to find a tag that looked like a release with failures.
>
> Sorry if I am asking stupid questions, finding master unusable at first
> glance for me was a bit offseting.
>
> Gael
>
>
>
> ======================================================================
> ERROR: Failure: ImportError (cannot import name fib2)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>  File "/usr/lib/pymodules/python2.7/nose/loader.py", line 390, in
> loadTestsFromName
>    addr.filename, addr.module)
>  File "/usr/lib/pymodules/python2.7/nose/importer.py", line 39, in
> importFromPath
>    return self.importFromDir(dir_path, fqname)
>  File "/usr/lib/pymodules/python2.7/nose/importer.py", line 86, in
> importFromDir
>    mod = load_module(part_fqname, fh, filename, desc)
>  File
>
> "/home/varoquau/dev/numpy/numpy/distutils/tests/f2py_ext/tests/test_fib2.py",
> line 3, in <module>
>    from f2py_ext import fib2
> ImportError: cannot import name fib2
>
> ======================================================================
> ERROR: Failure: ImportError (cannot import name foo)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>  File "/usr/lib/pymodules/python2.7/nose/loader.py", line 390, in
> loadTestsFromName
>    addr.filename, addr.module)
>  File "/usr/lib/pymodules/python2.7/nose/importer.py", line 39, in
> importFromPath
>    return self.importFromDir(dir_path, fqname)
>  File "/usr/lib/pymodules/python2.7/nose/importer.py", line 86, in
> importFromDir
>    mod = load_module(part_fqname, fh, filename, desc)
>  File
>
> "/home/varoquau/dev/numpy/numpy/distutils/tests/f2py_f90_ext/tests/test_foo.py",
> line 3, in <module>
>    from f2py_f90_ext import foo
> ImportError: cannot import name foo
>
> ======================================================================
> ERROR: Failure: ImportError (cannot import name fib3)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>  File "/usr/lib/pymodules/python2.7/nose/loader.py", line 390, in
> loadTestsFromName
>    addr.filename, addr.module)
>  File "/usr/lib/pymodules/python2.7/nose/importer.py", line 39, in
> importFromPath
>    return self.importFromDir(dir_path, fqname)
>  File "/usr/lib/pymodules/python2.7/nose/importer.py", line 86, in
> importFromDir
>    mod = load_module(part_fqname, fh, filename, desc)
>  File
>
> "/home/varoquau/dev/numpy/numpy/distutils/tests/gen_ext/tests/test_fib3.py",
> line 3, in <module>
>    from gen_ext import fib3
> ImportError: cannot import name fib3
>
> ======================================================================
> ERROR: Failure: ImportError (No module named primes)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>  File "/usr/lib/pymodules/python2.7/nose/loader.py", line 390, in
> loadTestsFromName
>    addr.filename, addr.module)
>  File "/usr/lib/pymodules/python2.7/nose/importer.py", line 39, in
> importFromPath
>    return self.importFromDir(dir_path, fqname)
>  File "/usr/lib/pymodules/python2.7/nose/importer.py", line 86, in
> importFromDir
>    mod = load_module(part_fqname, fh, filename, desc)
>  File
>
> "/home/varoquau/dev/numpy/numpy/distutils/tests/pyrex_ext/tests/test_primes.py",
> line 3, in <module>
>    from pyrex_ext.primes import primes
> ImportError: No module named primes
>
> ======================================================================
> ERROR: Failure: ImportError (cannot import name example)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>  File "/usr/lib/pymodules/python2.7/nose/loader.py", line 390, in
> loadTestsFromName
>    addr.filename, addr.module)
>  File "/usr/lib/pymodules/python2.7/nose/importer.py", line 39, in
> importFromPath
>    return self.importFromDir(dir_path, fqname)
>  File "/usr/lib/pymodules/python2.7/nose/importer.py", line 86, in
> importFromDir
>    mod = load_module(part_fqname, fh, filename, desc)
>  File
>
> "/home/varoquau/dev/numpy/numpy/distutils/tests/swig_ext/tests/test_example.py",
> line 3, in <module>
>    from swig_ext import example
> ImportError: cannot import name example
>
> ======================================================================
> ERROR: Failure: ImportError (cannot import name example2)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>  File "/usr/lib/pymodules/python2.7/nose/loader.py", line 390, in
> loadTestsFromName
>    addr.filename, addr.module)
>  File "/usr/lib/pymodules/python2.7/nose/importer.py", line 39, in
> importFromPath
>    return self.importFromDir(dir_path, fqname)
>  File "/usr/lib/pymodules/python2.7/nose/importer.py", line 86, in
> importFromDir
>    mod = load_module(part_fqname, fh, filename, desc)
>  File
>
> "/home/varoquau/dev/numpy/numpy/distutils/tests/swig_ext/tests/test_example2.py",
> line 3, in <module>
>    from swig_ext import example2
> ImportError: cannot import name example2
>
> ======================================================================
> FAIL: test_kind.TestKind.test_all
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>  File "/usr/lib/pymodules/python2.7/nose/case.py", line 187, in runTest
>    self.test(*self.arg)
>  File "/home/varoquau/dev/numpy/numpy/f2py/tests/test_kind.py", line 30,
> in test_all
>    'selectedrealkind(%s): expected %r but got %r' %  (i,
> selected_real_kind(i), selectedrealkind(i)))
>  File "/home/varoquau/dev/numpy/numpy/testing/utils.py", line 34, in
> assert_
>    raise AssertionError(msg)
> AssertionError: selectedrealkind(19): expected -1 but got 16
>
> ----------------------------------------------------------------------
>
>
This one was fixed a few days ago, so you aren't running the latest. That
might be connected to all the import errors you are seeing.

Chuck
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