#13947: zn_poly segfaults during tuning and tests on OS X and Cygwin when built 
on
a busy system
---------------------------------------------------------+------------------
       Reporter:  jpflori                                |         Owner:  tbd  
       
           Type:  defect                                 |        Status:  
needs_review
       Priority:  blocker                                |     Milestone:  
sage-5.10   
      Component:  packages: standard                     |    Resolution:       
       
       Keywords:  zn_poly spkg cygwin osx nuss_mul fail  |   Work issues:       
       
Report Upstream:  N/A                                    |     Reviewers:       
       
        Authors:  Leif Leonhardy                         |     Merged in:       
       
   Dependencies:                                         |      Stopgaps:       
       
---------------------------------------------------------+------------------

Comment (by klee):

 Rebuilding beta4 now succeeded, but when I started the just-built Sage, I
 got

 {{{
 Athena:sage-5.10.beta4$ ./sage
 ----------------------------------------------------------------------
 | Sage Version 5.10.beta4, Release Date: 2013-05-20                  |
 | Type "notebook()" for the browser-based notebook interface.        |
 | Type "help()" for help.                                            |
 ----------------------------------------------------------------------
 **********************************************************************
 *                                                                    *
 * Warning: this is a prerelease version, and it may be unstable.     *
 *                                                                    *
 **********************************************************************
 ---------------------------------------------------------------------------
 ImportError                               Traceback (most recent call
 last)
 <ipython-input-1-e91e614a7080> in <module>()
       2 sys.path.append(os.environ['HOME'] + '/Workplace/sage')
       3
 ----> 4 from lib import *

 /Users/Kwankyu/Workplace/sage/lib/__init__.py in <module>()
 ----> 1 from curve.simple_curve import SimpleCurve

 /Users/Kwankyu/Workplace/sage/lib/curve/simple_curve.py in <module>()
      22 from sage.matrix.constructor import matrix, vector
      23
 ---> 24 from lib.curve import affine_curve
      25 from affine_curve import AffinePlaneCurve, CoordinateRing
      26

 /Users/Kwankyu/Workplace/sage/lib/curve/affine_curve.py in <module>()
       9 from sage.categories.morphism import Morphism
      10 from sage.categories.finite_fields import FiniteFields
 ---> 11 from sage.schemes.generic.projective_space import ProjectiveSpace
      12 from sage.rings.fraction_field import FractionField
      13 from sage.rings.infinity import infinity

 ImportError: No module named projective_space
 sage:
 }}}

 Still "./sage -f spkg/standard/zn_poly-0.9.p11.spkg" succeeds.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13947#comment:56>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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