Package: python-matplotlib
Version: 0.99.1.2-2
Severity: normal
I have exactly the same bug on a testing system. The following program get a
Segmentation Fault at the plot line:
import matplotlib
matplotlib.use('Qt4Agg')
import matplotlib.pyplot as plt
print "Everything imported"
plt.plot([1,2])
print "Plot done"
plt.show()
Here is the backtrace:
#0 PyType_IsSubtype (a=0x6, b=0x72a5e0) at ../Objects/typeobject.c:848
#1 0x000000000044619a in PyDict_GetItem (op=0x10aa988, key=0x251b9f0)
at ../Objects/dictobject.c:575
#2 0x00007fffee21d318 in ?? () from /usr/lib/pymodules/python2.5/sip.so
#3 0x00007fffeddf01a5 in ?? ()
from /usr/lib/pymodules/python2.5/PyQt4/QtGui.so
#4 0x00007fffece9801d in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQtGui.so.4
#5 0x00007fffecea007a in QApplication::notify(QObject*, QEvent*) ()
from /usr/lib/libQtGui.so.4
#6 0x00007fffeddcb77a in ?? ()
from /usr/lib/pymodules/python2.5/PyQt4/QtGui.so
#7 0x00007fffeee7fc9c in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/libQtCore.so.4
#8 0x00007fffecee61aa in QWidget::setAttribute(Qt::WidgetAttribute, bool) ()
from /usr/lib/libQtGui.so.4
#9 0x00007fffeddb254e in ?? ()
from /usr/lib/pymodules/python2.5/PyQt4/QtGui.so
#10 0x000000000048f1fd in call_function (f=0x13ccfb0,
throwflag=<value optimized out>) at ../Python/ceval.c:3612
#11 PyEval_EvalFrameEx (f=0x13ccfb0, throwflag=<value optimized out>)
at ../Python/ceval.c:2304
#12 0x00000000004904ac in PyEval_EvalCodeEx (co=0x166a8a0,
globals=<value optimized out>, locals=<value optimized out>,
args=0xa02650, argcount=2, kws=0x0, kwcount=0, defs=0x0, defcount=0,
closure=0x0) at ../Python/ceval.c:2875
#13 0x00000000004d98d2 in function_call (func=0x24fc578, arg=0xa02638, kw=0x0)
at ../Objects/funcobject.c:517
#14 0x00000000004186a3 in PyObject_Call (func=0x10b8070, arg=0x72a5e0, kw=0x0)
at ../Objects/abstract.c:1861
#15 0x000000000041f3a4 in instancemethod_call (func=0x24fc578, arg=0xa02638,
kw=0x0) at ../Objects/classobject.c:2519
#16 0x00000000004186a3 in PyObject_Call (func=0x10b8070, arg=0x72a5e0, kw=0x0)
at ../Objects/abstract.c:1861
#17 0x000000000048c142 in do_call (f=0x13ccde0,
throwflag=<value optimized out>) at ../Python/ceval.c:3823
#18 call_function (f=0x13ccde0, throwflag=<value optimized out>)
at ../Python/ceval.c:3635
#19 PyEval_EvalFrameEx (f=0x13ccde0, throwflag=<value optimized out>)
at ../Python/ceval.c:2304
#20 0x00000000004904ac in PyEval_EvalCodeEx (co=0x1061f30,
globals=<value optimized out>, locals=<value optimized out>,
args=0xa0c6e0, argcount=2, kws=0x0, kwcount=0, defs=0x0, defcount=0,
closure=0x0) at ../Python/ceval.c:2875
#21 0x00000000004d98d2 in function_call (func=0x12e2050, arg=0xa0c6c8, kw=0x0)
at ../Objects/funcobject.c:517
#22 0x00000000004186a3 in PyObject_Call (func=0x10b8070, arg=0x72a5e0, kw=0x0)
at ../Objects/abstract.c:1861
#23 0x000000000041f3a4 in instancemethod_call (func=0x12e2050, arg=0xa0c6c8,
kw=0x0) at ../Objects/classobject.c:2519
#24 0x00000000004186a3 in PyObject_Call (func=0x10b8070, arg=0x72a5e0, kw=0x0)
at ../Objects/abstract.c:1861
#25 0x0000000000464b26 in slot_tp_init (self=0x1682848, args=0xed3150,
kwds=0x0) at ../Objects/typeobject.c:4976
#26 0x000000000046ca0b in type_call (type=0x139c4b0, args=0xed3150, kwds=0x0)
at ../Objects/typeobject.c:436
#27 0x00000000004186a3 in PyObject_Call (func=0x10b8070, arg=0x72a5e0, kw=0x0)
at ../Objects/abstract.c:1861
#28 0x000000000048c142 in do_call (f=0x19732d0,
throwflag=<value optimized out>) at ../Python/ceval.c:3823
#29 call_function (f=0x19732d0, throwflag=<value optimized out>)
at ../Python/ceval.c:3635
#30 PyEval_EvalFrameEx (f=0x19732d0, throwflag=<value optimized out>)
at ../Python/ceval.c:2304
#31 0x00000000004904ac in PyEval_EvalCodeEx (co=0x1061c60,
globals=<value optimized out>, locals=<value optimized out>,
args=0x114c9c0, argcount=1, kws=0x25b5a80, kwcount=6, defs=0x0,
defcount=0, closure=0x0) at ../Python/ceval.c:2875
#32 0x00000000004d99c9 in function_call (func=0x16728c0, arg=0x7ffff7f89d50,
kw=0x18f3be0) at ../Objects/funcobject.c:517
#33 0x00000000004186a3 in PyObject_Call (func=0x10b8070, arg=0x72a5e0, kw=0x0)
at ../Objects/abstract.c:1861
#34 0x000000000048db4f in ext_do_call (f=0x18f29a0,
throwflag=<value optimized out>) at ../Python/ceval.c:3892
#35 PyEval_EvalFrameEx (f=0x18f29a0, throwflag=<value optimized out>)
at ../Python/ceval.c:2344
#36 0x00000000004904ac in PyEval_EvalCodeEx (co=0xed8648,
globals=<value optimized out>, locals=<value optimized out>, args=0x8,
argcount=0, kws=0x139d1c8, kwcount=0, defs=0x1052d88, defcount=7,
closure=0x0) at ../Python/ceval.c:2875
#37 0x000000000048ef48 in fast_function (f=0x139d040,
throwflag=<value optimized out>) at ../Python/ceval.c:3708
#38 call_function (f=0x139d040, throwflag=<value optimized out>)
at ../Python/ceval.c:3633
#39 PyEval_EvalFrameEx (f=0x139d040, throwflag=<value optimized out>)
at ../Python/ceval.c:2304
#40 0x000000000048fcd3 in fast_function (f=0x77c260,
throwflag=<value optimized out>) at ../Python/ceval.c:3698
#41 call_function (f=0x77c260, throwflag=<value optimized out>)
at ../Python/ceval.c:3633
#42 PyEval_EvalFrameEx (f=0x77c260, throwflag=<value optimized out>)
at ../Python/ceval.c:2304
#43 0x00000000004904ac in PyEval_EvalCodeEx (co=0xee4120,
globals=<value optimized out>, locals=<value optimized out>,
args=0xadca00, argcount=0, kws=0xadca00, kwcount=0, defs=0x0, defcount=0,
closure=0x0) at ../Python/ceval.c:2875
#44 0x000000000048ef48 in fast_function (f=0xadc850,
throwflag=<value optimized out>) at ../Python/ceval.c:3708
#45 call_function (f=0xadc850, throwflag=<value optimized out>)
at ../Python/ceval.c:3633
#46 PyEval_EvalFrameEx (f=0xadc850, throwflag=<value optimized out>)
at ../Python/ceval.c:2304
#47 0x00000000004904ac in PyEval_EvalCodeEx (co=0xee9e40,
globals=<value optimized out>, locals=<value optimized out>,
args=0x775160, argcount=1, kws=0x775168, kwcount=0, defs=0x0, defcount=0,
closure=0x0) at ../Python/ceval.c:2875
#48 0x000000000048ef48 in fast_function (f=0x774fe0,
throwflag=<value optimized out>) at ../Python/ceval.c:3708
#49 call_function (f=0x774fe0, throwflag=<value optimized out>)
at ../Python/ceval.c:3633
#50 PyEval_EvalFrameEx (f=0x774fe0, throwflag=<value optimized out>)
at ../Python/ceval.c:2304
#51 0x00000000004904ac in PyEval_EvalCodeEx (co=0x7ffff7f84198,
globals=<value optimized out>, locals=<value optimized out>, args=0x0,
argcount=0, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0)
at ../Python/ceval.c:2875
#52 0x00000000004906a2 in PyEval_EvalCode (co=0x10b8070, globals=0x72a5e0,
locals=0x0) at ../Python/ceval.c:514
#53 0x00000000004af898 in run_mod (fp=0x75a010,
filename=0x7fffffffe64c "matplotlib_bug.py", start=<value optimized out>,
globals=0x77d520, locals=0x77d520, closeit=1, flags=0x7fffffffe260)
at ../Python/pythonrun.c:1273
#54 PyRun_FileExFlags (fp=0x75a010,
filename=0x7fffffffe64c "matplotlib_bug.py", start=<value optimized out>,
globals=0x77d520, locals=0x77d520, closeit=1, flags=0x7fffffffe260)
at ../Python/pythonrun.c:1259
#55 0x00000000004afb3b in PyRun_SimpleFileExFlags (fp=0x75a010,
filename=0x7fffffffe64c "matplotlib_bug.py", closeit=1,
flags=0x7fffffffe260) at ../Python/pythonrun.c:879
#56 0x0000000000414572 in Py_Main (argc=1, argv=<value optimized out>)
at ../Modules/main.c:532
#57 0x00007ffff7206abd in __libc_start_main () from /lib/libc.so.6
#58 0x00000000004139d9 in _start ()
Antoine
-- System Information:
Debian Release: squeeze/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.30-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages python-matplotlib depends on:
ii libatk1.0-0 1.28.0-1 The ATK accessibility toolkit
ii libc6 2.10.2-2 GNU C Library: Shared libraries
ii libcairo2 1.8.8-2 The Cairo 2D vector graphics libra
ii libfontconfig1 2.8.0-2 generic font configuration library
ii libfreetype6 2.3.11-1 FreeType 2 font engine, shared lib
ii libgcc1 1:4.4.2-8 GCC support library
ii libglib2.0-0 2.22.3-1 The GLib library of C routines
ii libgtk2.0-0 2.18.3-1 The GTK+ graphical user interface
ii libpango1.0-0 1.26.2-1 Layout and rendering of internatio
ii libpng12-0 1.2.41-1 PNG library - runtime
ii libstdc++6 4.4.2-8 The GNU Standard C++ Library v3
ii python 2.5.4-5 An interactive high-level object-o
ii python-cairo 1.8.6-1 Python bindings for the Cairo vect
ii python-dateutil 1.4.1-3 powerful extensions to the standar
ii python-gobject 2.20.0-1 Python bindings for the GObject li
ii python-matplotlib-data 0.99.1.2-2 Python based plotting system (data
ii python-numpy 1:1.3.0-3 Numerical Python adds a fast array
ii python-pyparsing 1.5.2-1 Python parsing module
ii python-support 1.0.6 automated rebuilding support for P
ii python-tz 2009p-1 Python version of the Olson timezo
ii tcl8.5 8.5.8-2 Tcl (the Tool Command Language) v8
ii tk8.5 8.5.8-1 Tk toolkit for Tcl and X11, v8.5 -
ii zlib1g 1:1.2.3.4.dfsg-3 compression library - runtime
Versions of packages python-matplotlib recommends:
ii python-glade2 2.16.0-1 GTK+ bindings: Glade support
ii python-gtk2 2.16.0-1 Python bindings for the GTK+ widge
ii python-qt4 4.6-1 Python bindings for Qt4
ii python-tk 2.5.2-1.1 Tkinter - Writing Tk applications
ii python-wxgtk2.8 2.8.10.1-2 wxWidgets Cross-platform C++ GUI t
Versions of packages python-matplotlib suggests:
ii dvipng 1.12-2 convert DVI files to PNG graphics
ii ipython 0.10-1 enhanced interactive Python shell
ii librsvg2-common 2.26.0-1 SAX-based renderer library for SVG
ii python-configobj 4.5.2-2 a simple but powerful config file
pn python-excelerator <none> (no description available)
pn python-matplotlib-doc <none> (no description available)
ii python-scipy 0.7.0-2 scientific tools for Python
ii python-traits 3.2.0-1 Manifest typing and reactive progr
ii texlive-extra-utils 2007.dfsg.2-8 TeX Live: TeX auxiliary programs
ii texlive-latex-extra 2007.dfsg.17-2 TeX Live: LaTeX supplementary pack
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