[SciPy-dev] A stray pointer somwehere...
Fernando Perez
Fernando.Perez at colorado.edu
Thu Nov 3 16:03:42 EST 2005
Christopher Hanley wrote:
> Sorry, missed the part about segfault on exit only. Still I'm surprised
> I could get it to segfault by just looping the scipy.test(10,10)
> command. I have only tested this in the ipython shell.
Actually it was _my_ bad: I hadn't run the tests enough times. I now scripted
it, and it reproducibly happens here:
----------------------------------------------------------------------
Ran 140 tests in 0.273s
OK
***************************************************************************
****************************** TEST PASS # 18 ******************************
Found 2 tests for scipy.base.umath
Found 24 tests for scipy.base.function_base
Found 4 tests for scipy.base.getlimits
Found 9 tests for scipy.base.twodim_base
Found 3 tests for scipy.base.matrix
Found 44 tests for scipy.base.shape_base
Found 42 tests for scipy.base.type_check
Found 3 tests for scipy.basic.helper
Found 3 tests for scipy.distutils.misc_util
Found 4 tests for scipy.base.index_tricks
Found 0 tests for __main__
Segmentation fault
If I increase the verbosity:
----------------------------------------------------------------------
Ran 140 tests in 0.284s
OK
***************************************************************************
****************************** TEST PASS # 18 ******************************
/home/phillips/student/fperez/usr/local/lib/python2.3/site-packages/scipy/base/tests/test_scimath.py
[...]
check_default_1 (scipy.base.type_check.test_type_check.test_mintypecode) ... ok
check_default_2 (scipy.base.type_check.test_type_check.test_mintypecode) ... ok
check_default_3 (scipy.base.type_check.test_type_check.test_mintypecode) ... ok
check_complex_bad (scipy.base.type_check.test_type_check.test_nan_to_num) ... ok
check_complex_bad2 (scipy.base.type_check.test_type_check.test_nan_to_num) ...
Segmentation fault
Same point you see it at. So yes, the problem is reproducible and it always
happens at the same pass.
Here's the crash script for testing:
phillips[~]> cat crash_scipy.py
#!/usr/bin/env python
import scipy
level = 10
verb = 10
for i in range(1,100):
print '*'*75
print '*'*30,'TEST PASS #',i,'*'*30
scipy.test(level,verb)
####
Cheers,
f
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