bug_report

[Thomas Weber]

On Wed, Jun 17, 2009 at 12:09:38PM -0400, John W. Eaton wrote:
> On 17-Jun-2009, Ryszard Tanas wrote:
> 
> | --------
> | Bug report for Octave 3.0.5 configured for x86_64-pc-linux-gnu
> | 
> | Description:
> | -----------
> | I get the following error with my Octave running on Debian testing, when I try to find eigenvalues of the complex 15x15 matrix
> | 
> | ** On entry to ZGEEV  parameter number  5 had an illegal value
> 
> This message comes from LAPACK and indicates an incorrect call to
> ZGEEV.
> 
> I can duplicate this error with the Octave 3.0.5 in Debian using the
> 1:3.0.5-6 version of the package on a system running Debian testing
> (updated in the last few days).
> 
> The problem does not appear for me with a copy of Octave that I built
> from the current development sources on the same system.
> 
> With 3.2.0 from Debian unstable on the same system, I see
> 
>   panic: Segmentation fault -- stopping myself...
>   attempting to save variables to `octave-core'...
>   save to `octave-core' complete
>   Segmentation fault

Hmm, I built 3.2.0 with debug symbols and -O0 and then Octave doesn't
crash anymore. Building it with -O2 results in a crash.

I will try to gather more date about this one.

	Thomas