Crash on Debian Sarge with IPython 0.6.15 and GTK interface

Hi there
I have a problem with matplotlib (0.8) and IPython (0.6.15) on a
Debian 3.1 system together with the GTK interface.
Ipython crashes when one tries to make a simple plot. This is quite
strange since I changes from a former setup with ipython (0.6.13) to
iptyon (0.6.15) to use the GTK interface and it worked quite well.
It seems that maybe changing from Debian testing to stable maybe
messed up the setup. Has anyone an idea where the problem described
below comes from.

Starting ipython with the -pylab option and typing

In [1]: x = arrayrange(1,100)

In [2]: plot(x)

gives

*** Break *** segmentation violation
Generating stack trace...
0x40d3cff1 in <unknown> from /usr/X11R6/lib/libX11.so.6
0x40d28439 in XrmQGetResource + 0x149 from /usr/X11R6/lib/libX11.so.6
0x40d08896 in XGetDefault + 0xd6 from /usr/X11R6/lib/libX11.so.6
0x40dd4456 in <unknown> from /usr/lib/libXft.so.2
0x40dd4592 in <unknown> from /usr/lib/libXft.so.2
0x40dd4728 in <unknown> from /usr/lib/libXft.so.2
0x40dd4806 in XftDefaultGetInteger + 0x26 from /usr/lib/libXft.so.2
0x40dd3e62 in _XftDisplayInfoGet + 0x152 from /usr/lib/libXft.so.2
0x40dd4218 in XftDefaultHasRender + 0x28 from /usr/lib/libXft.so.2
0x40dd4ce0 in XftDefaultSubstitute + 0x470 from /usr/lib/libXft.so.2
0x40ca0a93 in <unknown> from /usr/lib/libpangoxft-1.0.so.0
0x40ea7503 in <unknown> from /usr/lib/libpangoft2-1.0.so.0
0x40ea75ab in <unknown> from /usr/lib/libpangoft2-1.0.so.0
0x40ea78c4 in <unknown> from /usr/lib/libpangoft2-1.0.so.0
0x40cc48b1 in pango_font_map_load_fontset + 0x81
from /usr/lib/libpango-1.0.so.0
0x40cc2eb3 in <unknown> from /usr/lib/libpango-1.0.so.0
0x40cc2f86 in <unknown> from /usr/lib/libpango-1.0.so.0
0x40cc3258 in pango_itemize_with_base_dir + 0xa8
from /usr/lib/libpango-1.0.so.0
0x40cca69f in <unknown> from /usr/lib/libpango-1.0.so.0
0x40cc8b86 in <unknown> from /usr/lib/libpango-1.0.so.0
0x40cc8ef7 in pango_layout_get_extents + 0x37
from /usr/lib/libpango-1.0.so.0
0x40cc8f84 in pango_layout_get_pixel_extents + 0x54
from /usr/lib/libpango-1.0.so.0
0x40977136 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x409774c1 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x40971c63 in gtk_cell_renderer_get_size + 0xb3
from /usr/lib/libgtk-x11-2.0.so.0
0x40b0ca24 in gtk_tree_view_column_cell_get_size + 0x144
from /usr/lib/libgtk-x11-2.0.so.0
0x40af9ef5 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x40afaddb in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x40afb165 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x40af4a25 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x406e4b63 in g_cclosure_marshal_VOID__BOXED + 0x83
from /usr/lib/libgobject-2.0.so.0
0x406d29c9 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406d2736 in g_closure_invoke + 0xb6 from /usr/lib/libgobject-2.0.so.0
0x406e3651 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406e2e9c in g_signal_emit_valist + 0x73c
from /usr/lib/libgobject-2.0.so.0
0x406e3216 in g_signal_emit_by_name + 0xe6
from /usr/lib/libgobject-2.0.so.0
0x40a78ece in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x40a79248 in _gtk_size_group_compute_requisition + 0x68
from /usr/lib/libgtk-x11-2.0.so.0
0x40b1c61c in gtk_widget_size_request + 0x4c
from /usr/lib/libgtk-x11-2.0.so.0
0x40a6e113 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x406e4b63 in g_cclosure_marshal_VOID__BOXED + 0x83
from /usr/lib/libgobject-2.0.so.0
0x406d29c9 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406d2736 in g_closure_invoke + 0xb6 from /usr/lib/libgobject-2.0.so.0
0x406e3651 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406e2e9c in g_signal_emit_valist + 0x73c
from /usr/lib/libgobject-2.0.so.0
0x406e3216 in g_signal_emit_by_name + 0xe6
from /usr/lib/libgobject-2.0.so.0
0x40a78ece in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x40a79248 in _gtk_size_group_compute_requisition + 0x68
from /usr/lib/libgtk-x11-2.0.so.0
0x40b1c61c in gtk_widget_size_request + 0x4c
from /usr/lib/libgtk-x11-2.0.so.0
0x40b14c23 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x406e4b63 in g_cclosure_marshal_VOID__BOXED + 0x83
from /usr/lib/libgobject-2.0.so.0
0x406d29c9 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406d2736 in g_closure_invoke + 0xb6 from /usr/lib/libgobject-2.0.so.0
0x406e3651 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406e2e9c in g_signal_emit_valist + 0x73c
from /usr/lib/libgobject-2.0.so.0
0x406e3216 in g_signal_emit_by_name + 0xe6
from /usr/lib/libgobject-2.0.so.0
0x40a78ece in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x40a79248 in _gtk_size_group_compute_requisition + 0x68
from /usr/lib/libgtk-x11-2.0.so.0
0x40b1c61c in gtk_widget_size_request + 0x4c
from /usr/lib/libgtk-x11-2.0.so.0
0x409f4dcf in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x406e4b63 in g_cclosure_marshal_VOID__BOXED + 0x83
from /usr/lib/libgobject-2.0.so.0
0x406d29c9 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406d2736 in g_closure_invoke + 0xb6 from /usr/lib/libgobject-2.0.so.0
0x406e3651 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406e2e9c in g_signal_emit_valist + 0x73c
from /usr/lib/libgobject-2.0.so.0
0x406e3216 in g_signal_emit_by_name + 0xe6
from /usr/lib/libgobject-2.0.so.0
0x40a78ece in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x40a79248 in _gtk_size_group_compute_requisition + 0x68
from /usr/lib/libgtk-x11-2.0.so.0
0x40b1c61c in gtk_widget_size_request + 0x4c
from /usr/lib/libgtk-x11-2.0.so.0
0x40b14c23 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x406e4b63 in g_cclosure_marshal_VOID__BOXED + 0x83
from /usr/lib/libgobject-2.0.so.0
0x406d29c9 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406d2736 in g_closure_invoke + 0xb6 from /usr/lib/libgobject-2.0.so.0
0x406e3651 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406e2e9c in g_signal_emit_valist + 0x73c
from /usr/lib/libgobject-2.0.so.0
0x406e3216 in g_signal_emit_by_name + 0xe6
from /usr/lib/libgobject-2.0.so.0
0x40a78ece in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x40a79248 in _gtk_size_group_compute_requisition + 0x68
from /usr/lib/libgtk-x11-2.0.so.0
0x40b1c61c in gtk_widget_size_request + 0x4c
from /usr/lib/libgtk-x11-2.0.so.0
0x40b14c23 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x406e4b63 in g_cclosure_marshal_VOID__BOXED + 0x83
from /usr/lib/libgobject-2.0.so.0
0x406d29c9 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406d2736 in g_closure_invoke + 0xb6 from /usr/lib/libgobject-2.0.so.0
0x406e3651 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406e2e9c in g_signal_emit_valist + 0x73c
from /usr/lib/libgobject-2.0.so.0
0x406e3216 in g_signal_emit_by_name + 0xe6
from /usr/lib/libgobject-2.0.so.0
0x40a78ece in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x40a79248 in _gtk_size_group_compute_requisition + 0x68
from /usr/lib/libgtk-x11-2.0.so.0
0x40b1c61c in gtk_widget_size_request + 0x4c
from /usr/lib/libgtk-x11-2.0.so.0
0x409dbecf in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x409dbf65 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x409d1818 in _gtk_file_chooser_embed_get_default_size + 0x78
from /usr/lib/libgtk-x11-2.0.so.0
0x409d15d5 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x409d1818 in _gtk_file_chooser_embed_get_default_size + 0x78
from /usr/lib/libgtk-x11-2.0.so.0
0x409d0eec in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x406e42a6 in g_cclosure_marshal_VOID__VOID + 0x76
from /usr/lib/libgobject-2.0.so.0
0x406d2736 in g_closure_invoke + 0xb6 from /usr/lib/libgobject-2.0.so.0
0x406e3dcf in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406e2e9c in g_signal_emit_valist + 0x73c
from /usr/lib/libgobject-2.0.so.0
0x406e3216 in g_signal_emit_by_name + 0xe6
from /usr/lib/libgobject-2.0.so.0
0x409d16a9 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x406e42a6 in g_cclosure_marshal_VOID__VOID + 0x76
from /usr/lib/libgobject-2.0.so.0
0x406d2736 in g_closure_invoke + 0xb6 from /usr/lib/libgobject-2.0.so.0
0x406e3dcf in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406e2e9c in g_signal_emit_valist + 0x73c
from /usr/lib/libgobject-2.0.so.0
0x406e3216 in g_signal_emit_by_name + 0xe6
from /usr/lib/libgobject-2.0.so.0
0x409d99e8 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x406e4ca3 in g_cclosure_marshal_VOID__OBJECT + 0x83
from /usr/lib/libgobject-2.0.so.0
0x406d29c9 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406d2736 in g_closure_invoke + 0xb6 from /usr/lib/libgobject-2.0.so.0
0x406e3651 in <unknown> from /usr/lib/libgobject-2.0.so.0
0x406e2e9c in g_signal_emit_valist + 0x73c
from /usr/lib/libgobject-2.0.so.0
0x406e3126 in g_signal_emit + 0x26 from /usr/lib/libgobject-2.0.so.0
0x40b1fc7c in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x40b1f44a in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x40a78ea8 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x40a79248 in _gtk_size_group_compute_requisition + 0x68
from /usr/lib/libgtk-x11-2.0.so.0
0x40b1c61c in gtk_widget_size_request + 0x4c
from /usr/lib/libgtk-x11-2.0.so.0
0x409dbecf in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x409dbf65 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x409d1818 in _gtk_file_chooser_embed_get_default_size + 0x78
from /usr/lib/libgtk-x11-2.0.so.0
0x409d15d5 in <unknown> from /usr/lib/libgtk-x11-2.0.so.0
0x409d1818 in _gtk_file_chooser_embed_get_default_size + 0x78
from /usr/lib/libgtk-x11-2.0.so.0
Aborted

Thanks for answering my question

cu
Eugen