(gdb) bt
#0  0xb79cbc7c in g_str_has_prefix () from /usr/lib/libglib-2.0.so.0
#1  0xb7fc607c in ?? () from /usr/lib/libxfce4kbd-private-2.so.0
#2  0xb7fbcc6d in ?? () from /usr/lib/libxfconf-0.so.2
#3  0xb7a6ad4d in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#4  0xb7a744bd in ?? () from /usr/lib/libgobject-2.0.so.0
#5  0xb7a7778d in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#6  0xb7a77912 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#7  0xb7fb93f3 in ?? () from /usr/lib/libxfconf-0.so.2
#8  0xb7fbcbd7 in ?? () from /usr/lib/libxfconf-0.so.2
#9  0xb7a6ad4d in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#10 0xb7a744bd in ?? () from /usr/lib/libgobject-2.0.so.0
#11 0xb7a7778d in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#12 0xb7a77912 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#13 0xb7fb8dde in ?? () from /usr/lib/libxfconf-0.so.2
#14 0xb7fb97b2 in ?? () from /usr/lib/libxfconf-0.so.2
#15 0xb7fbaee3 in xfconf_channel_set_arrayv () from /usr/lib/libxfconf-0.so.2
#16 0xb7fbafe4 in xfconf_channel_set_string_list () from /usr/lib/libxfconf-0.so.2
#17 0xb7fc69d1 in ?? () from /usr/lib/libxfce4kbd-private-2.so.0
#18 0xb7a6de17 in ?? () from /usr/lib/libgobject-2.0.so.0
#19 0xb7a6ee01 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0
#20 0xb7a6eeec in g_object_new () from /usr/lib/libgobject-2.0.so.0
#21 0xb7fc64d5 in xfce_shortcuts_provider_new () from /usr/lib/libxfce4kbd-private-2.so.0
#22 0x08051fa7 in ?? ()
#23 0xb7a7b4d7 in g_type_create_instance () from /usr/lib/libgobject-2.0.so.0
#24 0xb7a6dd6c in ?? () from /usr/lib/libgobject-2.0.so.0
#25 0xb7a6ea55 in g_object_newv () from /usr/lib/libgobject-2.0.so.0
#26 0xb7a6eedc in g_object_new () from /usr/lib/libgobject-2.0.so.0
#27 0x0804dff8 in ?? ()
#28 0xb762beb0 in __libc_start_main () from /lib/libc.so.6
#29 0x0804d891 in ?? ()