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Thread 1 (Thread 3971):
#0  0x002de208 in ?? () from /usr/lib/libpango-1.0.so.0
#1  0x008a6970 in ?? () from /usr/lib/libclutter-glx-1.0.so.0
#2  0x00863350 in clutter_actor_get_preferred_width ()
   from /usr/lib/libclutter-glx-1.0.so.0
#3  0x0086380e in clutter_actor_get_width ()
   from /usr/lib/libclutter-glx-1.0.so.0
#4  0x008638f7 in clutter_actor_get_size ()
   from /usr/lib/libclutter-glx-1.0.so.0
#5  0x008a5fee in clutter_text_get_layout ()
   from /usr/lib/libclutter-glx-1.0.so.0
#6  0x004c0d95 in ?? () from /usr/lib/libclutk-0.2.so.0
#7  0x00295f13 in ?? () from /usr/lib/libnetbook-launcher.so.0
#8  0x00863350 in clutter_actor_get_preferred_width ()
   from /usr/lib/libclutter-glx-1.0.so.0
#9  0x004bf1d7 in ?? () from /usr/lib/libclutk-0.2.so.0
#10 0x00863350 in clutter_actor_get_preferred_width ()
   from /usr/lib/libclutter-glx-1.0.so.0
#11 0x004c63df in ?? () from /usr/lib/libclutk-0.2.so.0
#12 0x00863350 in clutter_actor_get_preferred_width ()
   from /usr/lib/libclutter-glx-1.0.so.0
#13 0x004bf1d7 in ?? () from /usr/lib/libclutk-0.2.so.0
#14 0x00863350 in clutter_actor_get_preferred_width ()
   from /usr/lib/libclutter-glx-1.0.so.0
#15 0x004beffb in ?? () from /usr/lib/libclutk-0.2.so.0
#16 0x00863350 in clutter_actor_get_preferred_width ()
   from /usr/lib/libclutter-glx-1.0.so.0
#17 0x004bd9fb in ?? () from /usr/lib/libclutk-0.2.so.0
#18 0x00863350 in clutter_actor_get_preferred_width ()
   from /usr/lib/libclutter-glx-1.0.so.0
#19 0x00863e2e in clutter_actor_get_preferred_size ()
   from /usr/lib/libclutter-glx-1.0.so.0
#20 0x00863f84 in clutter_actor_allocate_preferred_size ()
   from /usr/lib/libclutter-glx-1.0.so.0
#21 0x008833ce in ?? () from /usr/lib/libclutter-glx-1.0.so.0
#22 0x0089e1f0 in ?? () from /usr/lib/libclutter-glx-1.0.so.0
#23 0x00862ede in clutter_actor_allocate ()
   from /usr/lib/libclutter-glx-1.0.so.0
#24 0x008896b7 in ?? () from /usr/lib/libclutter-glx-1.0.so.0
#25 0x0089d81b in ?? () from /usr/lib/libclutter-glx-1.0.so.0
#26 0x0088b8fa in ?? () from /usr/lib/libclutter-glx-1.0.so.0
#27 0x0073ad78 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#28 0x0073e620 in ?? () from /usr/lib/libglib-2.0.so.0
#29 0x0073ea8f in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#30 0x00f212f9 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#31 0x080528a9 in ?? ()
#32 0x05ee7b56 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#33 0x08050a21 in ?? ()