.
Thread 1 (process 5675):
#0  0x00000000 in ?? ()
#1  0xb6fc5ee5 in ca_cache_store_sound () from /usr/lib/libcanberra.so.0
#2  0xb6fc548e in ca_lookup_sound_with_callback ()
   from /usr/lib/libcanberra.so.0
#3  0xb6fc5753 in ca_lookup_sound () from /usr/lib/libcanberra.so.0
#4  0xb6fd4d74 in alsa_driver_play ()
   from /usr/lib/libcanberra-0.11/libcanberra-alsa.so
#5  0xb6fc6ce0 in ?? () from /usr/lib/libcanberra.so.0
#6  0xb6fbebde in ca_context_play_full () from /usr/lib/libcanberra.so.0
#7  0xb7014e5e in ca_gtk_play_for_event () from /usr/lib/libcanberra-gtk.so.0
#8  0xb701a82d in ?? ()
   from /usr/lib/gtk-2.0/modules/libcanberra-gtk-module.so
#9  0xb7584cc1 in ?? () from /usr/lib/libglib-2.0.so.0
#10 0xb7586bf8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#11 0xb758a2a3 in ?? () from /usr/lib/libglib-2.0.so.0
#12 0xb758a7c2 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#13 0xb7ab63d9 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#14 0x0804dff0 in ?? ()
#15 0xb73e7775 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#16 0x0804b781 in ?? ()