Hi Martin,
On 2012-11-23, Martin Malandro wrote:
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>
> Hi everyone,
>
> I've dug around in the source code for several days now, and the issue is
> not in the poset code specifically. Rather, the above problem is being
> caused by this bug in UniqueRepresentation, which FinitePoset inherits from:
>
> http://trac.sagemath.org/sage_trac/ticket/12215
No surprise. The problem with #12215 and related tickets (#715, #11521,
#12313) is that some memory corruptions in libsingular become immanent
only when the garbage collection works properly - hence, before being
able to merge #12215 stably into sage, one needs to fix some bugs in
(lib)singular, part of which seem to be upstream bugs.
Cheers,
Simon
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