Hi.  I the lead developer of SymPy, one of the packages included with Sage.  I 
was wondering if someone here could help me debug a segfault that comes from 
importing the dev version of SymPy in Sage:

$sage -python
Python 2.7.3 (default, Jul 27 2012, 04:22:16) 
[GCC 4.6.3] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import sympy
init2.c:52: MPFR assertion failed: p >= 2 && p <= 
((mpfr_prec_t)((mpfr_uprec_t)(~(mpfr_uprec_t)0)>>1))

------------------------------------------------------------------------
Unhandled SIGABRT: An abort() occurred in Sage.
This probably occurred because a *compiled* component of Sage has a bug
in it and 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.
------------------------------------------------------------------------
/Applications/Sage-5.2-OSX-64bit-10.6.app/Contents/Resources/sage/spkg/bin/sage:
 line 491: 32789 Abort trap: 6           python "$@"

We would like to release soon, but we don't want to release a version that 
can't be included in Sage, so any help debugging this, or pointers on what to 
do would be very helpful.   At the very least, if this is a bug on your side 
and not ours, it would give us the go-ahead to release.

There is also a relevant issue in our issue tracker with some more information: 
http://code.google.com/p/sympy/issues/detail?id=3235.

You'll need to test this with the development version of sympy (git clone 
git://github.com/sympy/sympy.git).

Aaron Meurer

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