#15899: Random failures in decorate @fork
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Reporter: vbraun | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.2
Component: misc | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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This is possibly because fork failed:
{{{
sage -t --long src/sage/parallel/decorate.py
**********************************************************************
File "src/sage/parallel/decorate.py", line 526, in
sage.parallel.decorate.fork
Failed example:
g(10^7, m=5)
Exception raised:
Traceback (most recent call last):
File
"/home/buildbot/build/sage/mark-1/sage_git/build/local/lib/python2.7/site-
packages/sage/doctest/forker.py", line 480, in _run
self.execute(example, compiled, test.globs)
File
"/home/buildbot/build/sage/mark-1/sage_git/build/local/lib/python2.7/site-
packages/sage/doctest/forker.py", line 839, in execute
exec compiled in globs
File "<doctest sage.parallel.decorate.fork[6]>", line 1, in <module>
g(Integer(10)**Integer(7), m=Integer(5))
File
"/home/buildbot/build/sage/mark-1/sage_git/build/local/lib/python2.7/site-
packages/sage/parallel/decorate.py", line 475, in h
return list(g([(args, kwds)]))[0][1]
IndexError: list index out of range
}}}
We can't force fork to succeed if there are not enough resources, but we
should detect the error when it happens and show a suitable error message.
What we get here is just plain weird.
--
Ticket URL: <http://trac.sagemath.org/ticket/15899>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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