Bug#581761: libatlas3gf-base: Illegal instructions .... dgemm

[Yaroslav Halchenko]

and here is an easy way to reproduce it with even different function as
a victim:

*$> gdb  --args /usr/bin/python2.6 -c 'import scipy; scipy.test()'
GNU gdb (GDB) 7.1-debian
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This GDB was configured as "x86_64-linux-gnu".
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<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/python2.6...Reading symbols from /usr/lib/debug/usr/bin/python2.6...done.
done.
(gdb) c
The program is not being run.
(gdb) r
Starting program: /usr/bin/python2.6 -c import\ scipy\;\ scipy.test\(\)
[Thread debugging using libthread_db enabled]
Running unit tests for scipy
NumPy version 1.4.1
NumPy is installed in /usr/lib/pymodules/python2.6/numpy
SciPy version 0.7.2
SciPy is installed in /usr/lib/python2.6/dist-packages/scipy
Python version 2.6.5+ (release26-maint, Jul  6 2010, 12:58:20) [GCC 4.4.4]
nose version 0.11.1
[New Thread 0x7fffee0a8710 (LWP 23988)]
/usr/lib/python2.6/dist-packages/scipy/linsolve/__init__.py:4: DeprecationWarning: scipy.linsolve has moved to scipy.sparse.linalg.dsolve
  warn('scipy.linsolve has moved to scipy.sparse.linalg.dsolve', DeprecationWarning)
.
Program received signal SIGILL, Illegal instruction.
0x00007ffff5a9e327 in ATL_zaxpy_xp1yp1aXbX () from /usr/lib/libblas.so.3gf
(gdb) bt 10
#0  0x00007ffff5a9e327 in ATL_zaxpy_xp1yp1aXbX () from /usr/lib/libblas.so.3gf
#1  0x00007fffec37b38b in zgesl_ () from /usr/lib/python2.6/dist-packages/scipy/integrate/vode.so
#2  0x00007fffec36ad9a in zvsol_ () from /usr/lib/python2.6/dist-packages/scipy/integrate/vode.so
#3  0x00007fffec36f815 in zvnlsd_ () from /usr/lib/python2.6/dist-packages/scipy/integrate/vode.so
#4  0x00007fffec372f61 in zvstep_ () from /usr/lib/python2.6/dist-packages/scipy/integrate/vode.so
#5  0x00007fffec37a6ec in zvode_ () from /usr/lib/python2.6/dist-packages/scipy/integrate/vode.so
#6  0x00007fffec34d838 in f2py_rout_vode_zvode (capi_self=<value optimized out>, capi_args=<value optimized out>, capi_keywds=<value optimized out>, f2py_func=<value optimized out>)
    at build/src.linux-x86_64-2.6/scipy/integrate/vodemodule.c:1424
#7  0x000000000041ef47 in PyObject_Call (func=<fortran at remote 0x1ce02d8>, arg=<unknown at remote 0x7fffffff8000>, kw=<unknown at remote 0x280bef0>) at ../Objects/abstract.c:2492
#8  0x00000000004a6215 in ext_do_call (f=
    Frame 0x280b8b0, for file /usr/lib/python2.6/dist-packages/scipy/integrate/ode.py, line 554, in run (self=<zvode(max_step=<float at remote 0x2d26108>, success=1, first_step=<float at remote 0x2d26108>, ml=None, iwork=<numpy.ndarray at remote 0x2781d30>, rwork=<numpy.ndarray at remote 0x26a8d90>, nsteps=500, mu=None, with_jacobian=0, rtol=<float at remote 0x2d4cde0>, zwork=<numpy.ndarray at remote 0x26bc1f0>, call_args=[<float at remote 0x2d4cde0>, <float at remote 0x2d4cd80>, 1, 1, <numpy.ndarray at remote 0x26bc1f0>, <numpy.ndarray at remote 0x26a8d90>, <numpy.ndarray at remote 0x2781d30>, 11], atol=<float at remote 0x2d4cd80>, min_step=<float at remote 0x2d26108>, meth=1, order=12) at remote 0x27c6590>, args=(<function at remote 0x27c32a8>, <function at remote 0x27c3410>, <numpy.ndarray at remote 0x2787e60>, <float at remote 0x2d4ce58>, <float at remote 0x2d4cd50>, (), (...))), throwflag=<value optimized out>) at ../Python/ceval.c:4063
#9  PyEval_EvalFrameEx (f=
    Frame 0x280b8b0, for file /usr/lib/python2.6/dist-packages/scipy/integrate/ode.py, line 554, in run (self=<zvode(max_step=<float at remote 0x2d26108>, success=1, first_step=<float at remote 0x2d26108>, ml=None, iwork=<numpy.ndarray at remote 0x2781d30>, rwork=<numpy.ndarray at remote 0x26a8d90>, nsteps=500, mu=None, with_jacobian=0, rtol=<float at remote 0x2d4cde0>, zwork=<numpy.ndarray at remote 0x26bc1f0>, call_args=[<float at remote 0x2d4cde0>, <float at remote 0x2d4cd80>, 1, 1, <numpy.ndarray at remote 0x26bc1f0>, <numpy.ndarray at remote 0x26a8d90>, <numpy.ndarray at remote 0x2781d30>, 11], atol=<float at remote 0x2d4cd80>, min_step=<float at remote 0x2d26108>, meth=1, order=12) at remote 0x27c6590>, args=(<function at remote 0x27c32a8>, <function at remote 0x27c3410>, <numpy.ndarray at remote 0x2787e60>, <float at remote 0x2d4ce58>, <float at remote 0x2d4cd50>, (), (...))), throwflag=<value optimized out>) at ../Python/ceval.c:2452
(More stack frames follow...)


On Mon, 26 Jul 2010, Yaroslav Halchenko wrote:

> ah... and test_plt.py provided in original report works fine for me (via
> forwarded X to suspect box) ...
> so it could be a separate issue... sorry for not testing right away

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