#9895: Doctest error raised by os.fork in sage/parallel/decorate.py
-----------------------+----------------------------------------------------
Reporter: mpatel | Owner: drkirkby
Type: defect | Status: new
Priority: major | Milestone:
Component: solaris | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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David Kirkby [comment:ticket:9449:7 reported this previously] at #9449:
{{{
#!python
sage -t -long devel/sage/sage/parallel/decorate.py
**********************************************************************
File "/tmp/kirkby/sage-4.5.alpha4/devel/sage-
testing/sage/parallel/decorate.py", line 152:
sage: v = list(f([1,2,4])); v.sort(); v
Exception raised:
Traceback (most recent call last):
File "/tmp/kirkby/sage-4.5.alpha4/local/bin/ncadoctest.py", line
1231, in run_one_test
self.run_one_example(test, example, filename, compileflags)
File "/tmp/kirkby/sage-4.5.alpha4/local/bin/sagedoctest.py", line
38, in run_one_example
OrigDocTestRunner.run_one_example(self, test, example, filename,
compileflags)
File "/tmp/kirkby/sage-4.5.alpha4/local/bin/ncadoctest.py", line
1172, in run_one_example
compileflags, 1) in test.globs
File "<doctest __main__.example_4[9]>", line 1, in <module>
v = list(f([Integer(1),Integer(2),Integer(4)])); v.sort();
v###line 152:
sage: v = list(f([1,2,4])); v.sort(); v
File "/tmp/kirkby/sage-4.5.alpha4/local/lib/python/site-
packages/sage/parallel/multiprocessing_sage.py", line 64, in parallel_iter
p = Pool(processes)
File
"/tmp/kirkby/sage-4.5.alpha4/local/lib/python2.6/multiprocessing/__init__.py",
line 227, in Pool
return Pool(processes, initializer, initargs)
File
"/tmp/kirkby/sage-4.5.alpha4/local/lib/python2.6/multiprocessing/pool.py",
line 104, in __init__
w.start()
File
"/tmp/kirkby/sage-4.5.alpha4/local/lib/python2.6/multiprocessing/process.py",
line 104, in start
self._popen = Popen(self)
File
"/tmp/kirkby/sage-4.5.alpha4/local/lib/python2.6/multiprocessing/forking.py",
line 94, in __init__
self.pid = os.fork()
OSError: [Errno 12] Not enough space
}}}
According to [https://defect.opensolaris.org/bz/show_bug.cgi?id=2297 this
page], insufficient free memory is the problem.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9895>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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