On Jan 30, 5:41 am, Jaap Spies <j.sp...@hccnet.nl> wrote:
> mabshoff wrote:
> > Hello folks,
>
> > here goes alpha3 which is still rather large. It is mostly the mop up
> > of patches from Sage Days 12 which went rather well :)
>
> [...]
>
> > Please build, doctest and report all issues.
>
> On Fedora 9, 32 bits in a fresh build:
>
> The following tests failed:
>
> sage -t "devel/sage/sage/libs/linbox/linbox.pyx"
> sage -t "devel/sage/sage/matrix/matrix_dense.pyx"
> sage -t "devel/sage/sage/calculus/calculus.py"
> sage -t "devel/sage/sage/rings/polynomial/toy_d_basis.py"
> sage -t "devel/sage/sage/rings/number_field/totallyreal_data.pyx"
> sage -t "devel/sage/sage/structure/coerce_maps.pyx"
> sage -t "devel/sage/sage/algebras/quaternion_algebra.py"
> sage -t "devel/sage/sage/tests/arxiv_0812_2725.py"
> sage -t "devel/sage/sage/server/wiki/moin.py"
> sage -t "devel/sage/sage/schemes/elliptic_curves/padics.py"
> Total time for all tests: 5450.3 seconds
>
> 8 out of 10 are from the form:
> A mysterious error (perphaps a memory error?) occurred, which may have
> crashed doctest.
>
> Now running this eight tests in a loop.
>
> Until now:
> [j...@paix sage-3.3.alpha3]$ grep passed t.log | wc -l
> 493
> [j...@paix sage-3.3.alpha3]$ grep fail t.log | wc -l
> 2
Arrg, I jinxed us - why did I have to open my mouth? :)
The problem is likely the same as Carl Witty and I tracked down above,
i.e. brk() does not extend the heap and Singular goes boom even though
it did get the memory. Note that in case of failure the amount
allocated seems to be sub-page in size, but that is only speculation
at this point if that is really a contributing factor.
> Jaap
Cheers,
Michael
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