#0  0x00007f5afe4ce968 in g_type_check_instance_cast ()
   from /usr/lib/libgobject-2.0.so.0
#1  0x00007f5aec375044 in ?? ()
   from /usr/lib/gtk-2.0/2.10.0/filesystems/libgio.so
#2  0x00007f5afe4b0c1f in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#3  0x00007f5afe4c5a92 in ?? () from /usr/lib/libgobject-2.0.so.0
#4  0x00007f5afe4c7377 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#5  0x00007f5afe4c773f in g_signal_emit_by_name ()
   from /usr/lib/libgobject-2.0.so.0
#6  0x00007f5afe4b0c1f in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#7  0x00007f5afe4c5a92 in ?? () from /usr/lib/libgobject-2.0.so.0
#8  0x00007f5afe4c7377 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#9  0x00007f5afe4c773f in g_signal_emit_by_name ()
   from /usr/lib/libgobject-2.0.so.0
#10 0x00007f5aef07065c in ?? ()
   from /usr/lib/gio/modules/libgiohal-volume-monitor.so
#11 0x00007f5afe01a3b4 in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#12 0x00007f5afe01d6c5 in ?? () from /usr/lib/libglib-2.0.so.0
#13 0x00007f5afe01d9e5 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#14 0x00007f5affa67d63 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#15 0x000000000043fb53 in ?? ()
#16 0x00007f5afcbeb1c4 in __libc_start_main () from /lib/libc.so.6
#17 0x000000000042d089 in ?? ()
#18 0x00007fff0a138098 in ?? ()
#19 0x0000000000000000 in ?? ()