(gdb) bt
#0  0x00007f584a3d7379 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f58491da340 in g_pointer_bit_lock (value=<optimized out>, address=<optimized out>)
    at /build/glib2.0-SNH0tt/glib2.0-2.47.6/./glib/gbitlock.c:81
#2  0x00007f58491da340 in g_pointer_bit_lock (address=address@entry=0x4917530, lock_bit=lock_bit@entry=2)
    at /build/glib2.0-SNH0tt/glib2.0-2.47.6/./glib/gbitlock.c:428
#3  0x00007f58491e816f in g_datalist_id_dup_data (datalist=0x4917530) at /build/glib2.0-SNH0tt/glib2.0-2.47.6/./glib/gdataset.c:209
#4  0x00007f58491e816f in g_datalist_id_dup_data (datalist=datalist@entry=0x4917530, key_id=570, dup_func=dup_func@entry=0x0, user_data=user_data@entry=0x0) at /build/glib2.0-SNH0tt/glib2.0-2.47.6/./glib/gdataset.c:852
#5  0x00007f58491e81e9 in g_datalist_id_get_data (datalist=datalist@entry=0x4917530, key_id=<optimized out>)
    at /build/glib2.0-SNH0tt/glib2.0-2.47.6/./glib/gdataset.c:798
#6  0x00007f58486aecb6 in g_object_unref (_object=0x4917520) at /build/glib2.0-SNH0tt/glib2.0-2.47.6/./gobject/gobject.c:3113
#7  0x00007f5846baba77 in  () at /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0
#8  0x00007f58486aed9a in g_object_unref (_object=0x46c2010) at /build/glib2.0-SNH0tt/glib2.0-2.47.6/./gobject/gobject.c:3183
#9  0x00007f5847a6ddba in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#10 0x00007f58486aed9a in g_object_unref (_object=0x4ad6ed0) at /build/glib2.0-SNH0tt/glib2.0-2.47.6/./gobject/gobject.c:3183
#11 0x00007f584893080d in  () at /usr/lib/python2.7/dist-packages/gobject/_gobject.x86_64-linux-gnu.so
#12 0x00000000004b5633 in  ()
#13 0x00007f58489307e4 in  () at /usr/lib/python2.7/dist-packages/gobject/_gobject.x86_64-linux-gnu.so
#14 0x00000000004fd9aa in  ()
#15 0x00000000004b5633 in  ()
#16 0x00007f58489307e4 in  () at /usr/lib/python2.7/dist-packages/gobject/_gobject.x86_64-linux-gnu.so
#17 0x00000000004fd9aa in  ()
#18 0x00007f584892dd56 in  () at /usr/lib/python2.7/dist-packages/gobject/_gobject.x86_64-linux-gnu.so
#19 0x00007f5847a9fa50 in  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#23 0x00007f58486c508f in <emit signal ??? on instance 0x1936460 [GtkNotebook]> (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/glib2.0-SNH0tt/glib2.0-2.47.6/./gobject/gsignal.c:3441
    #20 0x00007f58486a9fa5 in g_closure_invoke (closure=closure@entry=0x19cfe30, return_value=return_value@entry=0x0, n_param_values=2, param_values=param_values@entry=0x7ffd7607ffc0, invocation_hint=invocation_hint@entry=0x7ffd7607ff40)
    at /build/glib2.0-SNH0tt/glib2.0-2.47.6/./gobject/gclosure.c:804
    #21 0x00007f58486bbafc in signal_emit_unlocked_R (node=node@entry=0x19cfe80, detail=detail@entry=0, instance=instance@entry=0x1936460, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffd7607ffc0)
    at /build/glib2.0-SNH0tt/glib2.0-2.47.6/./gobject/gsignal.c:3559
    #22 0x00007f58486c4d5c in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffd76080180) at /build/glib2.0-SNH0tt/glib2.0-2.47.6/./gobject/gsignal.c:3385
#24 0x00007f5848096dec in  () at /usr/lib/python2.7/dist-packages/gtk-2.0/gtk/_gtk.so
#25 0x00000000004c492a in PyEval_EvalFrameEx ()
#26 0x00000000004ca09f in PyEval_EvalFrameEx ()
#27 0x00000000004c2a15 in PyEval_EvalCodeEx ()
#28 0x00000000004deade in  ()
#29 0x00000000004b0cf3 in PyObject_Call ()
#30 0x00000000004f4abe in  ()
#31 0x00000000004b0cf3 in PyObject_Call ()
#32 0x00000000004ce730 in PyEval_CallObjectWithKeywords ()
#33 0x00007f5848936319 in  () at /usr/lib/python2.7/dist-packages/gobject/_gobject.x86_64-linux-gnu.so
Python Exception <class 'gdb.error'> Il n'y a pas de membre nommé v_pointer.: 
(gdb)