#8177: element_wrapper.py: Sage 4.3.2.alpha1 segfault on Mac OS X 10.6.2
-----------------------+----------------------------------------------------
Reporter: mvngu | Owner: tbd
Type: defect | Status: new
Priority: blocker | Milestone: sage-4.3.2
Component: doctest | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
-----------------------+----------------------------------------------------
Changes (by was):
* priority: major => blocker
Comment:
Here is a complete self-contained session that illustrates the problem:
{{{
wst...@bsd:~/build/sage-4.3.2.rc0$ ./sage
----------------------------------------------------------------------
| Sage Version 4.3.2.rc0, Release Date: 2010-02-03 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
**********************************************************************
* *
* Warning: this is a prerelease version, and it may be unstable. *
* *
**********************************************************************
sage: class MyElement(ElementWrapper): __lt__ =
ElementWrapper._lt_by_value
....:
sage: a = MyElement(1, parent = ZZ)
sage: 1 < a
------------------------------------------------------------
Unhandled SIGSEGV: A segmentation fault occured in SAGE.
This probably occured because a *compiled* component
of SAGE has a bug in it (typically accessing invalid memory)
or is not properly wrapped with _sig_on, _sig_off.
You might want to run SAGE under gdb with 'sage -gdb' to debug this.
SAGE will now terminate (sorry).
------------------------------------------------------------
wst...@bsd:~/build/sage-4.3.2.rc0$
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8177#comment:1>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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