Bug#581761: libatlas3gf-base: Illegal instruction on ATL_diamax_xp1yp0aXbX makes matplotlib crash

[Fabrice Silva]

Package: libatlas3gf-base
Version: 3.8.3-22
Justification: renders package unusable
Severity: grave
Tags: sid

On simple python script execution :
test_plt.py
        import matplotlib.pyplot as plt
        plt.subplot(111)
        plt.show()

the interpreter crash when the pointer enters the figure canvas with the
following backtrace:
gdb python
GNU gdb (GDB) 7.1-debian
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show
copying"
and "show warranty" for details.
This GDB was configured as "i486-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/python...(no debugging symbols
found)...done.
(gdb) run test_plt.py
Starting program: /usr/bin/python test_plt.py
[Thread debugging using libthread_db enabled]

Program received signal SIGILL, Illegal instruction.
0xb767b638 in ATL_diamax_xp1yp0aXbX () from /usr/lib/libblas.so.3gf


$ ls -l /usr/lib/libblas.so.3gf
lrwxrwxrwx 1 root root 32 16 avril 13:33 /usr/lib/libblas.so.3gf ->
/etc/alternatives/libblas.so.3gf
$ ls -l /etc/alternatives/libblas.so.3gf
lrwxrwxrwx 1 root root 40 16 avril
13:33 /etc/alternatives/libblas.so.3gf ->
/usr/lib/atlas-base/atlas/libblas.so.3gf
$ dpkg --search /usr/lib/atlas-base/atlas/libblas.so.3gf
libatlas3gf-base: /usr/lib/atlas-base/atlas/libblas.so.3gf


It only happens since the last update of the package libatlas3gf-base
from
3.8.3-21 to 3.8.3-22.



-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 2.6.32-5-686 (SMP w/1 CPU core)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages libatlas3gf-base depends on:
ii  libc6                         2.10.2-8   Embedded GNU C Library:
Shared lib
ii  libgcc1                       1:4.4.4-1  GCC support library
ii  libgfortran3                  4.4.4-1    Runtime library for GNU
Fortran ap

libatlas3gf-base recommends no packages.

Versions of packages libatlas3gf-base suggests:
ii  libblas3gf                    1.2-7      Basic Linear Algebra
Reference imp
ii  liblapack3gf                  3.2.1-8    library of linear algebra
routines

-- no debconf information