#7095: os x 10.6 port -- numerous mysterious errors caused by weird "abort trap"
issue
------------------------+---------------------------------------------------
Reporter: was | Owner: tbd
Type: defect | Status: new
Priority: critical | Milestone: sage-4.3.1
Component: porting | Keywords:
Work_issues: | Author:
Upstream: N/A | Reviewer:
Merged: |
------------------------+---------------------------------------------------
Comment(by was):
Replying to [comment:24 jhpalmieri]:
> > By the way, with an ordinary (gcc 4.2.1) build of 4.3.1.alpha0, I'm
now getting over 90 files with failures
>
> I'm seeing this on one OS X 10.6 machine, but not another one, so I'm
confused...
On bsd.math.washington.edu I get only a few failures:
{{{
sage -t -long "devel/sage/sage/calculus/tests.py"
sage -t -long "devel/sage/sage/calculus/wester.py"
sage -t -long "devel/sage/sage/functions/hyperbolic.py"
sage -t -long "devel/sage/sage/functions/log.py"
sage -t -long "devel/sage/sage/functions/other.py"
sage -t -long "devel/sage/sage/functions/trig.py"
sage -t -long "devel/sage/sage/matrix/matrix_symbolic_dense.pyx"
sage -t -long "devel/sage/sage/misc/sagedoc.py"
sage -t -long "devel/sage/sage/plot/text.py"
sage -t -long "devel/sage/sage/rings/arith.py"
sage -t -long "devel/sage/sage/rings/polynomial/pbori.pyx"
sage -t -long "devel/sage/sage/symbolic/expression.pyx"
sage -t -long "devel/sage/sage/symbolic/function.pyx"
}}}
I think the issue is $HOME/.matplotlib, which has a font cache. On
bsd.math if I *delete* that directory, then all plotting is broken:
{{{
sage: plot(sin)
/Users/was/build/sage-4.3.1.alpha0/local/bin/sage-sage: line 206: 80224
Abort trap sage-ipyth
on "$@" -i
wst...@bsd:~/build/sage-4.3.1.alpha0$
}}}
If I put the font cache file back then plotting works fine again:
{{{
wst...@bsd:~/build/sage-4.3.1.alpha0$ rm -rf ~/.matplotlib
wst...@bsd:~/build/sage-4.3.1.alpha0$ mv ~/.matplotlib-x ~/.matplotlib
wst...@bsd:~/build/sage-4.3.1.alpha0$ ./sage
----------------------------------------------------------------------
| Sage Version 4.3.1.alpha0, Release Date: 2010-01-04 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
**********************************************************************
* *
* Warning: this is a prerelease version, and it may be unstable. *
* *
**********************************************************************
WARNING: There is one major unsolved bug in some versions of
Sage on OS X 10.6 that causes an 'Abort trap' crash when
doing certain symbolic computations.
See http://trac.sagemath.org/sage_trac/ticket/7095/.
sage: plot(sin)
sage:
}}}
Thus the fix I made so that matplotlib would work with OS X 10.6 and Sage
*must* have been reverted/removed/wrecked somehow. Great.
So as of now, for somebody without an old .matplotlib from 4.2.1, it is
*impossible* to do any plotting or anything else involving matplotlib with
OS X 10.6.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7095#comment:25>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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