(gdb) bt #0 0x0000000803f0864a in thr_kill () from /lib/libc.so.7 #1 0x0000000803f08636 in raise () from /lib/libc.so.7 #2 0x0000000803f08606 in abort () from /lib/libc.so.7 #3 0x0000000803f6ef31 in __assert () from /lib/libc.so.7 #4 0x00000008029722c3 in cairo_scaled_font_destroy () from /usr/local/lib/libcairo.so.2 #5 0x0000000802974cd2 in cairo_scaled_font_glyph_extents () from /usr/local/lib/libcairo.so.2 #6 0x0000000802973bc3 in cairo_scaled_font_glyph_extents () from /usr/local/lib/libcairo.so.2 #7 0x000000080297431c in cairo_scaled_font_glyph_extents () from /usr/local/lib/libcairo.so.2 #8 0x000000080293f1ca in cairo_font_options_get_hint_metrics () from /usr/local/lib/libcairo.so.2 #9 0x0000000802931cf6 in cairo_glyph_path () from /usr/local/lib/libcairo.so.2 #10 0x00000008041fee42 in pango_cairo_error_underline_path () from /usr/local/lib/libpangocairo-1.0.so.0 #11 0x00000008041fe1d2 in pango_cairo_error_underline_path () from /usr/local/lib/libpangocairo-1.0.so.0 #12 0x0000000802e748bb in pango_renderer_draw_glyphs () from /usr/local/lib/libpango-1.0.so.0 #13 0x0000000802e74044 in pango_renderer_draw_layout_line () from /usr/local/lib/libpango-1.0.so.0 #14 0x0000000802e73b56 in pango_renderer_draw_layout () from /usr/local/lib/libpango-1.0.so.0 #15 0x00000008041fde13 in pango_cairo_layout_path () from /usr/local/lib/libpangocairo-1.0.so.0 #16 0x000000080b0963b7 in murrine_style_draw_layout () from /usr/local/lib/gtk-2.0/2.10.0/engines/libmurrine.so #17 0x0000000801f4daf1 in gtk_label_get_track_visited_links () from /usr/local/lib/libgtk-x11-2.0.so.0 #18 0x0000000801f59eff in _gtk_marshal_BOOLEAN__BOXED () from /usr/local/lib/libgtk-x11-2.0.so.0 #19 0x00000008030a69f6 in g_closure_invoke () from /usr/local/lib/libgobject-2.0.so.0 #20 0x00000008030bb6a4 in g_signal_emitv () from /usr/local/lib/libgobject-2.0.so.0 #21 0x00000008030bc2de in g_signal_emit_valist () from /usr/local/lib/libgobject-2.0.so.0 #22 0x00000008030bc964 in g_signal_emit () from /usr/local/lib/libgobject-2.0.so.0 #23 0x000000080208358c in gtk_widget_event () from /usr/local/lib/libgtk-x11-2.0.so.0 #24 0x0000000801ed5bfd in gtk_container_propagate_expose () from /usr/local/lib/libgtk-x11-2.0.so.0 #25 0x0000000801ea2a36 in _gtk_box_set_old_defaults () from /usr/local/lib/libgtk-x11-2.0.so.0 #26 0x0000000801ed68ec in gtk_container_propagate_expose () from /usr/local/lib/libgtk-x11-2.0.so.0 #27 0x0000000801f59eff in _gtk_marshal_BOOLEAN__BOXED () from /usr/local/lib/libgtk-x11-2.0.so.0 #28 0x00000008030a69f6 in g_closure_invoke () from /usr/local/lib/libgobject-2.0.so.0 #29 0x00000008030bb6a4 in g_signal_emitv () from /usr/local/lib/libgobject-2.0.so.0 #30 0x00000008030bc2de in g_signal_emit_valist () from /usr/local/lib/libgobject-2.0.so.0 #31 0x00000008030bc964 in g_signal_emit () from /usr/local/lib/libgobject-2.0.so.0 #32 0x000000080208358c in gtk_widget_event () from /usr/local/lib/libgtk-x11-2.0.so.0 #33 0x0000000801ed5bfd in gtk_container_propagate_expose () from /usr/local/lib/libgtk-x11-2.0.so.0 #34 0x00000008020284f3 in gtk_toggle_button_get_inconsistent () from /usr/local/lib/libgtk-x11-2.0.so.0 #35 0x000000080086dbc4 in xfce_arrow_button_expose_event () from /usr/local/lib/libxfce4panel-1.0.so.4 #36 0x0000000801f59eff in _gtk_marshal_BOOLEAN__BOXED () from /usr/local/lib/libgtk-x11-2.0.so.0 #37 0x00000008030a69f6 in g_closure_invoke () from /usr/local/lib/libgobject-2.0.so.0 #38 0x00000008030bb6a4 in g_signal_emitv () from /usr/local/lib/libgobject-2.0.so.0 #39 0x00000008030bc2de in g_signal_emit_valist () from /usr/local/lib/libgobject-2.0.so.0 #40 0x00000008030bc964 in g_signal_emit () from /usr/local/lib/libgobject-2.0.so.0 #41 0x000000080208358c in gtk_widget_event () from /usr/local/lib/libgtk-x11-2.0.so.0 #42 0x0000000801ed5bfd in gtk_container_propagate_expose () from /usr/local/lib/libgtk-x11-2.0.so.0 #43 0x000000080de28770 in xfce_tasklist_forall () from /usr/local/lib/xfce4/panel/plugins/libtasklist.so #44 0x0000000801ed68ec in gtk_container_propagate_expose () from /usr/local/lib/libgtk-x11-2.0.so.0 #45 0x0000000801f59eff in _gtk_marshal_BOOLEAN__BOXED () from /usr/local/lib/libgtk-x11-2.0.so.0 #46 0x00000008030a69f6 in g_closure_invoke () from /usr/local/lib/libgobject-2.0.so.0 #47 0x00000008030bb6a4 in g_signal_emitv () from /usr/local/lib/libgobject-2.0.so.0 #48 0x00000008030bc2de in g_signal_emit_valist () from /usr/local/lib/libgobject-2.0.so.0 #49 0x00000008030bc964 in g_signal_emit () from /usr/local/lib/libgobject-2.0.so.0 #50 0x000000080208358c in gtk_widget_event () from /usr/local/lib/libgtk-x11-2.0.so.0 #51 0x0000000801ed5bfd in gtk_container_propagate_expose () from /usr/local/lib/libgtk-x11-2.0.so.0 #52 0x0000000801ea2a36 in _gtk_box_set_old_defaults () from /usr/local/lib/libgtk-x11-2.0.so.0 #53 0x0000000801ed68ec in gtk_container_propagate_expose () from /usr/local/lib/libgtk-x11-2.0.so.0 #54 0x0000000801f59eff in _gtk_marshal_BOOLEAN__BOXED () from /usr/local/lib/libgtk-x11-2.0.so.0 #55 0x00000008030a69f6 in g_closure_invoke () from /usr/local/lib/libgobject-2.0.so.0 #56 0x00000008030bb6a4 in g_signal_emitv () from /usr/local/lib/libgobject-2.0.so.0 #57 0x00000008030bc2de in g_signal_emit_valist () from /usr/local/lib/libgobject-2.0.so.0 #58 0x00000008030bc964 in g_signal_emit () from /usr/local/lib/libgobject-2.0.so.0 #59 0x000000080208358c in gtk_widget_event () from /usr/local/lib/libgtk-x11-2.0.so.0 #60 0x0000000801ed5bfd in gtk_container_propagate_expose () from /usr/local/lib/libgtk-x11-2.0.so.0 #61 0x0000000801ed68ec in gtk_container_propagate_expose () from /usr/local/lib/libgtk-x11-2.0.so.0 #62 0x0000000801eee1ea in gtk_event_box_set_above_child () from /usr/local/lib/libgtk-x11-2.0.so.0 #63 0x0000000801f59eff in _gtk_marshal_BOOLEAN__BOXED () from /usr/local/lib/libgtk-x11-2.0.so.0 #64 0x00000008030a69f6 in g_closure_invoke () from /usr/local/lib/libgobject-2.0.so.0 #65 0x00000008030bb6a4 in g_signal_emitv () from /usr/local/lib/libgobject-2.0.so.0 #66 0x00000008030bc2de in g_signal_emit_valist () from /usr/local/lib/libgobject-2.0.so.0 #67 0x00000008030bc964 in g_signal_emit () from /usr/local/lib/libgobject-2.0.so.0 #68 0x000000080208358c in gtk_widget_event () from /usr/local/lib/libgtk-x11-2.0.so.0 #69 0x0000000801ed5bfd in gtk_container_propagate_expose () from /usr/local/lib/libgtk-x11-2.0.so.0 #70 0x000000000041e729 in panel_itembar_set_drop_highlight_item () #71 0x0000000801ed68ec in gtk_container_propagate_expose () from /usr/local/lib/libgtk-x11-2.0.so.0 #72 0x000000000041e38b in panel_itembar_set_drop_highlight_item () #73 0x0000000801f59eff in _gtk_marshal_BOOLEAN__BOXED () from /usr/local/lib/libgtk-x11-2.0.so.0 #74 0x00000008030a69f6 in g_closure_invoke () from /usr/local/lib/libgobject-2.0.so.0 #75 0x00000008030bb6a4 in g_signal_emitv () from /usr/local/lib/libgobject-2.0.so.0 #76 0x00000008030bc2de in g_signal_emit_valist () from /usr/local/lib/libgobject-2.0.so.0 #77 0x00000008030bc964 in g_signal_emit () from /usr/local/lib/libgobject-2.0.so.0 #78 0x000000080208358c in gtk_widget_event () from /usr/local/lib/libgtk-x11-2.0.so.0 #79 0x0000000801ed5bfd in gtk_container_propagate_expose () from /usr/local/lib/libgtk-x11-2.0.so.0 #80 0x000000000042f25f in panel_window_migrate_autohide_property () #81 0x0000000801f59eff in _gtk_marshal_BOOLEAN__BOXED () from /usr/local/lib/libgtk-x11-2.0.so.0 #82 0x00000008030a6a52 in g_closure_invoke () from /usr/local/lib/libgobject-2.0.so.0 #83 0x00000008030bb6a4 in g_signal_emitv () from /usr/local/lib/libgobject-2.0.so.0 #84 0x00000008030bc2de in g_signal_emit_valist () from /usr/local/lib/libgobject-2.0.so.0 #85 0x00000008030bc964 in g_signal_emit () from /usr/local/lib/libgobject-2.0.so.0 #86 0x000000080208358c in gtk_widget_event () from /usr/local/lib/libgtk-x11-2.0.so.0 #87 0x0000000801f57c01 in gtk_main_do_event () from /usr/local/lib/libgtk-x11-2.0.so.0 #88 0x00000008024788fc in gdk_window_clear_area_e () from /usr/local/lib/libgdk-x11-2.0.so.0 #89 0x000000080247939a in gdk_window_process_all_updates () from /usr/local/lib/libgdk-x11-2.0.so.0 #90 0x0000000802478e1d in gdk_window_process_all_updates () from /usr/local/lib/libgdk-x11-2.0.so.0 #91 0x0000000801ed4250 in _gtk_container_queue_resize () from /usr/local/lib/libgtk-x11-2.0.so.0 #92 0x0000000802455885 in gdk_threads_add_idle_full () from /usr/local/lib/libgdk-x11-2.0.so.0 #93 0x000000080353a5c8 in g_main_context_dispatch () from /usr/local/lib/libglib-2.0.so.0 #94 0x000000080353a8fb in g_main_context_pending () from /usr/local/lib/libglib-2.0.so.0 #95 0x000000080353ac0f in g_main_loop_run () from /usr/local/lib/libglib-2.0.so.0 #96 0x0000000801f5746f in gtk_main () from /usr/local/lib/libgtk-x11-2.0.so.0 #97 0x0000000000412983 in main ()