#4278: [with patch, needs work] Old parent's don't correctly handle coerce maps
from Python's native types.
----------------------+-----------------------------------------------------
Reporter: mhansen | Owner: robertwb
Type: defect | Status: new
Priority: major | Milestone: sage-3.2
Component: coercion | Resolution:
Keywords: |
----------------------+-----------------------------------------------------
Changes (by mabshoff):
* summary: [with patch, positive review] Old parent's don't correctly
handle coerce maps from Python's native types.
=> [with patch, needs work] Old parent's don't
correctly handle coerce maps from Python's
native types.
Comment:
This patch causes a segfault in
{{{
[EMAIL PROTECTED]:/scratch/mabshoff/release-cycle/sage-3.2.alpha1$ ./sage -t
-long devel/sage/sage/modular/modsym/ambient.py
sage -t -long devel/sage/sage/modular/modsym/ambient.py
------------------------------------------------------------
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).
------------------------------------------------------------
A mysterious error (perphaps a memory error?) occurred, which may have
crashed doctest.
[3.9 s]
exit code: 768
}}}
I am not sure if a {{{-ba}}} might not fix this, but I will investigate.
Does this patch depend on anything else?
Cheers,
Michael
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4278#comment:8>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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