Hi there,

I'm the maintainer for the Fedora package of octave-forge and we
recently have been getting bug reports of crashes with 
octave/octave-forge that seem to be traceable back to 
problems with the "ann" package, for full details (including
backtrace), see the downstream bug here:

https://bugzilla.redhat.com/show_bug.cgi?id=562276

It can be easily reproduced on Fedora by running:

> save A
> load A

The first line of the backtrace is:

#0  0x00007f0897e5dac4 in octave_swig_ref::load_ascii(std::istream&) ()
   from 
/usr/libexec/octave/packages/ann-1.0.2/x86_64-redhat-linux-gnu-api-v37/ann.oct
#1  0x0000003c5de320cd in octave_value::load_ascii (is=<value optimized out>, 

Full backtrace here: https://bugzilla.redhat.com/attachment.cgi?id=389175

I have definitely tracked this down to "ann" being the issue,
removing the package, makes the crashes go away. Is this a
known issue with "ann"?  Apparently it hasn't been updated in
SVN for a while, the last update (r6006) was to allow it to
compile with Octave 3.2 and newer SWIG, but nothing since:

http://octave.svn.sourceforge.net/viewvc/octave?view=revision&revision=6006

Hopefully the "ann" maintainer can look into it, and let
us know what needs to be done, or if not, let us know whether
"ann" is still being actively maintained.  Otherwise we may
just have to remove it from the Fedora package.

Regards,
Alex

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