#5943: Sage 3.4.2.a0: len(prime_range(2^50)) segfaults
------------------------------------+---------------------------------------
Reporter: mabshoff | Owner: was
Type: defect | Status: positive_review
Priority: critical | Milestone: sage-5.0
Component: number theory | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: Keshav Kini, Volker Braun
Authors: Michael Orlitzky | Merged in:
Dependencies: | Stopgaps:
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Changes (by vbraun):
* status: needs_review => positive_review
* reviewer: Keshav Kini => Keshav Kini, Volker Braun
Old description:
> This ticket used to be about prime_pi() segfaulting, but due to a mixup
> of versions used and switching to a new algorithm in 3.4.2.a0 the cause
> is the following:
> {{{
> mabshoff@sage:/scratch/mabshoff/sage-3.4.2.final$ ./sage
> ----------------------------------------------------------------------
> | Sage Version 3.4.2.rc0, Release Date: 2009-04-30 |
> | Type notebook() for the GUI, and license() for information. |
> ----------------------------------------------------------------------
> sage: len(prime_range(2^50))
> /scratch/mabshoff/sage-3.4.2.final/local/bin/sage-sage: line 198: 13833
> Segmentation fault sage-ipython "$@" -i
> }}}
>
> Alex's comments are about the old ticket. This problem with wrong results
> has been moved to #5963.
>
> Cheers,
>
> Michael
>
> ----
>
> Apply [attachment:sage-trac_5943-doctest.patch] to
> `$SAGE_ROOT/devel/sage`.
New description:
This ticket used to be about prime_pi() segfaulting, but due to a mixup of
versions used and switching to a new algorithm in 3.4.2.a0 the cause is
the following:
{{{
mabshoff@sage:/scratch/mabshoff/sage-3.4.2.final$ ./sage
----------------------------------------------------------------------
| Sage Version 3.4.2.rc0, Release Date: 2009-04-30 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: len(prime_range(2^50))
/scratch/mabshoff/sage-3.4.2.final/local/bin/sage-sage: line 198: 13833
Segmentation fault sage-ipython "$@" -i
}}}
Alex's comments are about the old ticket. This problem with wrong results
has been moved to #5963.
Cheers,
Michael
----
Fixed in #11741.
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5943#comment:17>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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