#5810: Sage 3.4.1.rc3: Fedora 10/64 - unable to start Maxima issue in shapes.pyx
----------------------+-----------------------------------------------------
Reporter: mabshoff | Owner: mabshoff
Type: defect | Status: new
Priority: blocker | Milestone: sage-3.4.1
Component: doctest | Keywords:
----------------------+-----------------------------------------------------
The following pops up regularly on some FC10 systems:
{{{
sage -t -long "devel/sage/sage/plot/plot3d/shapes.pyx" Exception
exceptions.TypeError: TypeError(RuntimeError('Unable to start maxima',),)
in 'sage.structure.parent_old._unregister_pair' ignored
**********************************************************************
File
"/space/wstein/farm/sage-3.4.1.rc3/devel/sage/sage/plot/plot3d/shapes.pyx",
line 267:
sage: G += sum(Cylinder(.2, 1).translate(cos(2*pi*n/9), sin(2*pi*n/9),
0) for n in [1..9])Exception raised:
Traceback (most recent call last):
File "/space/wstein/farm/sage-3.4.1.rc3/local/bin/ncadoctest.py",
line 1231, in run_one_test
self.run_one_example(test, example, filename, compileflags)
File "/space/wstein/farm/sage-3.4.1.rc3/local/bin/sagedoctest.py",
line 38, in run_one_example
OrigDocTestRunner.run_one_example(self, test, example, filename,
compileflags)
File "/space/wstein/farm/sage-3.4.1.rc3/local/bin/ncadoctest.py",
line 1172, in run_one_example
compileflags, 1) in test.globs
File "<doctest __main__.example_10[7]>", line 1, in <module>
G += sum(Cylinder(RealNumber('.2'),
Integer(1)).translate(cos(Integer(2)*pi*n/Integer(9)),
sin(Integer(2)*pi*n/Integer(9)), Integer(0)) for n in (ellipsis_range(I
nteger(1),Ellipsis,Integer(9))))###line 267:
sage: G += sum(Cylinder(.2, 1).translate(cos(2*pi*n/9), sin(2*pi*n/9),
0) for n in [1..9])
File "<doctest __main__.example_10[7]>", line 1, in <genexpr>
G += sum(Cylinder(RealNumber('.2'),
Integer(1)).translate(cos(Integer(2)*pi*n/Integer(9)),
sin(Integer(2)*pi*n/Integer(9)), Integer(0)) for n in (ellipsis_range(I
nteger(1),Ellipsis,Integer(9))))###line 267:
sage: G += sum(Cylinder(.2, 1).translate(cos(2*pi*n/9), sin(2*pi*n/9),
0) for n in [1..9])
File "element.pyx", line 1154, in
sage.structure.element.RingElement.__mul__
(sage/structure/element.c:10558)
File "coerce.pyx", line 706, in
sage.structure.coerce.CoercionModel_cache_maps.bin_op
(sage/structure/coerce.c:6543)
File "coerce.pyx", line 1152, in
sage.structure.coerce.CoercionModel_cache_maps.get_action
(sage/structure/coerce.c:11646)
File "coerce.pyx", line 1275, in
sage.structure.coerce.CoercionModel_cache_maps.discover_action
(sage/structure/coerce.c:12920)
File "parent.pyx", line 1142, in
sage.structure.parent.Parent.get_action (sage/structure/parent.c:11816)
File "parent_old.pyx", line 586, in
sage.structure.parent_old.Parent._get_action_
(sage/structure/parent_old.c:8141)
File "parent_old.pyx", line 197, in
sage.structure.parent_old.Parent.get_action_c
(sage/structure/parent_old.c:2998)
File "parent_old.pyx", line 209, in
sage.structure.parent_old.Parent.get_action_impl
(sage/structure/parent_old.c:3333)
File "parent_old.pyx", line 268, in
sage.structure.parent_old.Parent.get_action_c_impl
(sage/structure/parent_old.c:4193)
File "parent_old.pyx", line 635, in
sage.structure.parent_old._register_pair
(sage/structure/parent_old.c:9303)
NotImplementedError: Infinite loop in multiplication of
0 (parent Symbolic Ring) and 1
(parent Integer Ring)!
**********************************************************************
}}}
One would guess that disabling mmap in Maxima might fix this.
Cheers,
Michael
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5810>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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