pierre@pierre-laptop:~$ gdb /usr/bin/nautilus
GNU gdb 6.4.90-debian
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This GDB was configured as "x86_64-linux-gnu"...(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".

(gdb) run
Starting program: /usr/bin/nautilus 
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[Thread debugging using libthread_db enabled]
[New Thread 47844558600752 (LWP 7787)]
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(nautilus:7787): Pango-WARNING **: error opening config file '/etc/pango/pangorc': Le fichier est vide

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[New Thread 1157667152 (LWP 7811)]
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[Thread 1107310928 (LWP 7805) exited]
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nautilus: /build/buildd/libcairo-1.2.4/src/cairo-ft-font.c:683: _cairo_ft_unscaled_font_set_scale:  l'assertion « error == 0 » a échoué.

Program received signal SIGABRT, Aborted.
[Switching to Thread 47844558600752 (LWP 7787)]
0x00002b83aa86447b in raise () from /lib/libc.so.6
(gdb) 
(gdb) thread apply all bt

Thread 22 (Thread 1073875280 (LWP 7841)):
#0  0x00002b83aa90d138 in pthread_exit () from /lib/libc.so.6
#1  0x00002b83aaa6f950 in ?? () from /lib/libc.so.6
#2  0x00000000011444a0 in ?? ()
#3  0x00002b83aa87a8ed in vfprintf () from /lib/libc.so.6
#4  0x00002b83aaa6e8e3 in _IO_2_1_stderr_ () from /lib/libc.so.6
#5  0x00002b83aaa6e8e3 in _IO_2_1_stderr_ () from /lib/libc.so.6
#6  0x00002b83aaa6e8e3 in _IO_2_1_stderr_ () from /lib/libc.so.6
#7  0x00002b83aaa6e8e3 in _IO_2_1_stderr_ () from /lib/libc.so.6
#8  0x00002b83aaa6e8e3 in _IO_2_1_stderr_ () from /lib/libc.so.6
#9  0x00002b83aaa6e8e3 in _IO_2_1_stderr_ () from /lib/libc.so.6
#10 0x00002b83aaa6e8e3 in _IO_2_1_stderr_ () from /lib/libc.so.6
#11 0x00002b83aaa6e8e4 in _IO_2_1_stderr_ () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 47844558600752 (LWP 7787)):
#0  0x00002b83aa86447b in raise () from /lib/libc.so.6
#1  0x00002b83aa865da0 in abort () from /lib/libc.so.6
#2  0x00002b83aa85dbf6 in __assert_fail () from /lib/libc.so.6
#3  0x00002b83ab41b532 in cairo_ft_scaled_font_unlock_face () from /usr/lib/libcairo.so.2
#4  0x00002b83ab41bc17 in cairo_ft_scaled_font_lock_face () from /usr/lib/libcairo.so.2
#5  0x00002b83b25ca78b in script_engine_init () from /usr/lib/pango/1.5.0/modules/pango-basic-fc.so
---Type <return> to continue, or q <return> to quit---
#6  0x00002b83a9284c0e in pango_shape () from /usr/lib/libpango-1.0.so.0
#7  0x00002b83a927987c in pango_layout_set_width () from /usr/lib/libpango-1.0.so.0
#8  0x00002b83a927bf9e in pango_layout_iter_get_char_extents () from /usr/lib/libpango-1.0.so.0
#9  0x00002b83a927c4ba in pango_layout_iter_get_char_extents () from /usr/lib/libpango-1.0.so.0
#10 0x00002b83a927cd1d in pango_layout_iter_get_char_extents () from /usr/lib/libpango-1.0.so.0
#11 0x00000000004dd2a6 in nautilus_undo_transaction_unregister_object ()
#12 0x00000000004df18e in nautilus_undo_transaction_unregister_object ()
#13 0x00000000004df767 in nautilus_undo_transaction_unregister_object ()
#14 0x00002b83a7d24f6e in eel_canvas_item_move () from /usr/lib/libeel-2.so.2
#15 0x00002b83a7d23c88 in eel_canvas_item_show () from /usr/lib/libeel-2.so.2
#16 0x00002b83a8b3bb5d in _gtk_marshal_BOOLEAN__BOXED () from /usr/lib/libgtk-x11-2.0.so.0
#17 0x00002b83a9c8848a in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#18 0x00002b83a9c98023 in g_signal_chain_from_overridden () from /usr/lib/libgobject-2.0.so.0
#19 0x00002b83a9c98c17 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#20 0x00002b83a9c99013 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#21 0x00002b83a8c389ae in gtk_widget_get_default_style () from /usr/lib/libgtk-x11-2.0.so.0
#22 0x00002b83a8b36410 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#23 0x00002b83a8ec530a in gdk_window_is_viewable () from /usr/lib/libgdk-x11-2.0.so.0
#24 0x00002b83a8ec54a7 in gdk_window_process_updates () from /usr/lib/libgdk-x11-2.0.so.0
#25 0x00002b83a9c8848a in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#26 0x00002b83a9c97a08 in g_signal_chain_from_overridden () from /usr/lib/libgobject-2.0.so.0
#27 0x00002b83a9c98e43 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#28 0x00002b83a9c99013 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#29 0x00002b83a8a7314c in gtk_adjustment_value_changed () from /usr/lib/libgtk-x11-2.0.so.0
#30 0x00002b83a8b8c2b1 in gtk_scrolled_window_new () from /usr/lib/libgtk-x11-2.0.so.0
#31 0x00002b83a8b3bb5d in _gtk_marshal_BOOLEAN__BOXED () from /usr/lib/libgtk-x11-2.0.so.0
#32 0x00002b83a9c8848a in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#33 0x00002b83a9c98023 in g_signal_chain_from_overridden () from /usr/lib/libgobject-2.0.so.0
#34 0x00002b83a9c98c17 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#35 0x00002b83a9c99013 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#36 0x00002b83a8c389ae in gtk_widget_get_default_style () from /usr/lib/libgtk-x11-2.0.so.0
#37 0x00002b83a8b3524d in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0
#38 0x00002b83a8b36261 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#39 0x00002b83a8ed9b0c in _gdk_events_init () from /usr/lib/libgdk-x11-2.0.so.0
#40 0x00002b83aa019c84 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#41 0x00002b83aa01cacd in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#42 0x00002b83aa01cdda in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#43 0x00002b83a8b365f3 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#44 0x000000000043b975 in POA_Nautilus_MetafileMonitor__init ()
#45 0x00002b83aa8510c4 in __libc_start_main () from /lib/libc.so.6
#46 0x00000000004296e9 in ?? ()
#47 0x00007fff030f1898 in ?? ()
#48 0x0000000000000000 in ?? ()
(gdb) 
