.
Thread 2 (process 5557):
#0  0xb7f67410 in __kernel_vsyscall ()
#1  0xb75fc99b in read () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7640d0a in ?? () from /usr/lib/libglib-2.0.so.0
#3  0xb7667e2f in ?? () from /usr/lib/libglib-2.0.so.0
#4  0xb75f54fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb7577e5e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 1 (process 5552):
#0  0xb62c1e12 in ?? () from /usr/lib/libgstreamer-0.10.so.0
#1  0xb62c1fca in ?? () from /usr/lib/libgstreamer-0.10.so.0
#2  0xb6280a88 in ?? () from /usr/lib/libgstreamer-0.10.so.0
#3  0xb6281cd0 in ?? () from /usr/lib/libgstreamer-0.10.so.0
#4  0xb764dea3 in g_option_context_parse () from /usr/lib/libglib-2.0.so.0
#5  0xb62816f5 in gst_init_check () from /usr/lib/libgstreamer-0.10.so.0
#6  0xb6281822 in gst_init () from /usr/lib/libgstreamer-0.10.so.0
#7  0xb6327bdb in ?? ()
   from /usr/lib/gnome-settings-daemon-2.0/libmedia-keys.so
#8  0xb76e37e5 in g_type_class_ref () from /usr/lib/libgobject-2.0.so.0
#9  0xb76ca02d in g_object_newv () from /usr/lib/libgobject-2.0.so.0
#10 0xb76ca571 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0
#11 0xb76ca6e0 in g_object_new () from /usr/lib/libgobject-2.0.so.0
#12 0xb63275e3 in acme_volume_new ()
   from /usr/lib/gnome-settings-daemon-2.0/libmedia-keys.so
#13 0xb6322b3d in gsd_media_keys_manager_start ()
   from /usr/lib/gnome-settings-daemon-2.0/libmedia-keys.so
#14 0xb632244f in ?? ()
   from /usr/lib/gnome-settings-daemon-2.0/libmedia-keys.so
#15 0x0804c6bb in gnome_settings_plugin_info_activate ()
#16 0x0804b20e in ?? ()
#17 0xb765de81 in g_slist_foreach () from /usr/lib/libglib-2.0.so.0
#18 0x0804b473 in gnome_settings_manager_start ()
#19 0x0804affd in main ()