[OctDev] Re: Bug#290343: octave-forge: symbolic manipulation triggers segfault panic

[Dirk E. <ed...@de...>]

On Thu, Jan 13, 2005 at 10:09:30AM -0700, Andre Lehovich wrote:
> Package: octave-forge
> Version: 2004.11.16-3
> Severity: normal
> 
> While experimenting with symbolic manipulation I was able to
> crash octave.  This may be due to operator error; I don't
> know how to use octave-forge's symbolic toolbox, so I'm just
> feeding random stuff at it.  Here is a transcript:
> 
> |# 0 home ~; octave
> |GNU Octave, version 2.1.64 (i386-pc-linux-gnu).
> |Copyright (C) 2004 John W. Eaton.
> |This is free software; see the source code for copying conditions.
> |There is ABSOLUTELY NO WARRANTY; not even for MERCHANTIBILITY or
> |FITNESS FOR A PARTICULAR PURPOSE.  For details, type `warranty'.
> |
> |Additional information about Octave is available at http://www.octave.org.
> |
> |Please contribute if you find this software useful.
> |For more information, visit http://www.octave.org/help-wanted.html
> |
> |Report bugs to <bu...@oc...> (but first, please read
> |http://www.octave.org/bugs.html to learn how to write a helpful report).
> |
> |octave:1> A = sym('Cos(x)')
> |A =
> |
> |Cos(x)
> |octave:2> x = sym('x')
> |x =
> |
> |x
> |octave:3> differentiate(A,x)
> |panic: Segmentation fault -- stopping myself...
> |attempting to save variables to `octave-core'...
> |error: octave_base_value::save_binary(): wrong type argument `ex'
> |save to `octave-core' complete
> |Segmentation fault

Ok, thanks, will pass that along.

Dirk


> -- System Information:
> Debian Release: 3.1
>   APT prefers testing
>   APT policy: (900, 'testing')
> Architecture: i386 (i586)
> Kernel: Linux 2.4.28
> Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
> 
> Versions of packages octave-forge depends on:
> ii  atlas3-base [liblapack.s 3.6.0-19        Automatically Tuned Linear Algebra
> ii  fftw3                    3.0.1-11        Library for computing Fast Fourier
> ii  libc6                    2.3.2.ds1-20    GNU C Library: Shared libraries an
> ii  libcln3                  1.1.9-1         Class Library for Numbers (C++)
> ii  libg2c0                  1:3.3.5-5       Runtime library for GNU Fortran 77
> ii  libgcc1                  1:3.4.3-6       GCC support library
> ii  libginac1.3              1.3.0-1         The GiNaC framework (runtime libra
> ii  libgmp3                  4.1.4-5         Multiprecision arithmetic library
> ii  libgsl0                  1.5-2           The GNU Scientific Library (GSL) -
> ii  libhdf5-serial-1.6.2-0 [ 1.6.2-3         Hierarchical Data Format 5 (HDF5) 
> ii  libice6                  4.3.0.dfsg.1-10 Inter-Client Exchange library
> ii  libjpeg62                6b-9            The Independent JPEG Group's JPEG 
> ii  libncurses5              5.4-4           Shared libraries for terminal hand
> ii  libpng12-0               1.2.8rel-1      PNG library - runtime
> ii  libqhull5                2003.1-1        Calculate convex hulls and related
> ii  libreadline4             4.3-11          GNU readline and history libraries
> ii  libsm6                   4.3.0.dfsg.1-10 X Window System Session Management
> ii  libstdc++5               1:3.3.5-5       The GNU Standard C++ Library v3
> ii  libx11-6                 4.3.0.dfsg.1-10 X Window System protocol client li
> ii  octave2.1                2.1.64-1        The GNU Octave language for numeri
> ii  xlibs                    4.3.0.dfsg.1-10 X Keyboard Extension (XKB) configu
> ii  zlib1g                   1:1.2.2-3       compression library - runtime
> 
> -- no debconf information

-- 
Better to have an approximate answer to the right question than a precise 
answer to the wrong question.  --  John Tukey as quoted by John Chambers