I think I have found a consistent segmentation fault while using the xcairo and pngcairo plotting devices under PLplot 5.9.0 (Debian packages) and svn head on Debian Sid, x86-32. I have not tested the other *cairo devices, but given the error messages I think it would affect others as well.
The following sequence of commands give the segfault: plinit (selecting xcairo as the plotting device) plenv 0.0 1.0 0.0 1.0 1 0 (I don't think the numbers matter) plend plinit (select xcairo again) plenv 0.0 1.0 0.0 1.0 1 0 (Again, the numbers don't seem to matter) ^^ This causes a segmentation fault I have tried this with the Octave and OCaml interfaces. The output is the same for both bindings with the exception of the octave-specific segfault bits at the end, and is pasted below. I do not have the debugging packages installed for PLplot or Pango, but hopefully this output will be of some help. In each case the only useful information from gdb are driversd/cairo.so and libpango-1.0.so.0 as the culprits. Please let me know if I can do more to clarify. Hez ---BEGIN SEGMENTATION FAULT OUTPUT--- octave:6> plenv(0,1,0,1,1,0) (process:2854): GLib-GObject-WARNING **: cannot register existing type `PangoCairoFcFontMap' (process:2854): GLib-GObject-WARNING **: cannot register existing type `PangoCairoFontMap' (process:2854): GLib-GObject-CRITICAL **: g_type_interface_add_prerequisite: assertion `G_TYPE_IS_INTERFACE (interface_type)' failed (process:2854): GLib-GObject-CRITICAL **: g_type_add_interface_static: assertion `G_TYPE_IS_INSTANTIATABLE (instance_type)' failed (process:2854): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed (process:2854): GLib-GObject-CRITICAL **: g_object_new: assertion `G_TYPE_IS_OBJECT (object_type)' failed (process:2854): GLib-GObject-WARNING **: cannot register existing type `PangoCairoFontMap' (process:2854): GLib-GObject-CRITICAL **: g_type_interface_add_prerequisite: assertion `G_TYPE_IS_INTERFACE (interface_type)' failed (process:2854): Pango-CRITICAL **: pango_cairo_font_map_create_context: assertion `PANGO_IS_CAIRO_FONT_MAP (fontmap)' failed (process:2854): Pango-CRITICAL **: pango_layout_new: assertion `context != NULL' failed (process:2854): Pango-CRITICAL **: pango_cairo_update_context: assertion `PANGO_IS_CONTEXT (context)' failed (process:2854): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (process:2854): Pango-CRITICAL **: pango_layout_set_markup_with_accel: assertion `PANGO_IS_LAYOUT (layout)' failed (process:2854): Pango-CRITICAL **: pango_layout_get_pixel_extents: assertion `PANGO_IS_LAYOUT (layout)' failed (process:2854): Pango-CRITICAL **: pango_layout_get_context: assertion `layout != NULL' failed (process:2854): Pango-CRITICAL **: pango_cairo_context_set_font_options: assertion `PANGO_IS_CONTEXT (context)' failed panic: Segmentation fault -- stopping myself... attempting to save variables to `octave-core'... save to `octave-core' complete Segmentation fault ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Plplot-devel mailing list Plplot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/plplot-devel
