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Seg fault with test_sparse.m

From: Joe Koski
Subject: Seg fault with test_sparse.m
Date: Thu, 03 Aug 2006 14:37:25 -0600
User-agent: Microsoft-Entourage/

Hi all,

After getting a successful build of octave-2.9.7 on my Mac G5 with OS X
10.4.7, Xcode tools 2.3 (gcc-4.0.1) and gfortran, I installed dejaGNU and
ran make check. I got one IO error, but things were going well until I hit
test_sparse. There I got a seg fault. I have attached the terminal output
and fntest.log output in case you want to see them.

I then moved to the test directory and ran octave. Here's what I got:

octave:1> test_sparse
writing test output to sptest.log
>>>>> /Tools/octave-2.9.7/test/test_sparse.m
warning: Calculating Sparse Matrix Type
panic: Bus error -- stopping myself...
Bus error
Joe-Koskis-Computer:/Tools/octave-2.9.7/test jakoski$

I have also attached the sptest.log for your information.

To my untrained eye, the script seems to be running through quite a few
tests before the failure. Things are almost working.

Anyway, I'll be available to try things, but maybe it's time for someone
with sparse matrix knowledge (definitely not me) to try this on a Mac. I'll
be available to assist anyone who wants to try building octave-2.9.7 or
later on a Mac under OS X 10.4. I can cut many hours from the build process
with my experience from the last few days.

The other problem that I have is with the legend.m routine in octave-forge.
The problem is persistent with any script that uses legend. As I said, I can
file a bug report, if it is an unknown problem.

Meanwhile, I'll go back to octave-2.1.73 for my routine stuff. Let me know
when or if I can help or try something.

As an aside, I've been around complicated software and complicated
engineering systems for over 40 years, and I have seldom seen things that
went cleanly from start to finish. There's always something, and the problem
never seems to be the thing that you were worrying about.



Attachment: fntests.log
Description: Binary data

Attachment: sptest.log
Description: Binary data

Attachment: make_check.out
Description: Binary data

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