(empathy:18019): Pango-WARNING **: Invalid UTF-8 string passed to pango_layout_set_text()

(empathy:18019): Pango-WARNING **: Invalid UTF-8 string passed to pango_layout_set_text()

(empathy:18019): Pango-WARNING **: Invalid UTF-8 string passed to pango_layout_set_text()

(empathy:18019): Pango-WARNING **: Invalid UTF-8 string passed to pango_layout_set_text()

(empathy:18019): Pango-WARNING **: Invalid UTF-8 string passed to pango_layout_set_text()
[Thread 0x7fffdbfff700 (LWP 18033) exited]

(empathy:18019): Pango-WARNING **: Invalid UTF-8 string passed to pango_layout_set_text()

(empathy:18019): Pango-WARNING **: Invalid UTF-8 string passed to pango_layout_set_text()

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff12ddd96 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) bt
#0  0x00007ffff12ddd96 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff12dedff in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007ffff12e0539 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007ffff12e1ee9 in realloc () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x00007ffff186c751 in g_realloc ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff1839059 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ffff18393c7 in g_array_append_vals ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007ffff32f455d in gtk_widget_path_append_with_siblings ()
   from /usr/lib/libgtk-3.so.0
#8  0x00007ffff30eed56 in ?? () from /usr/lib/libgtk-3.so.0
#9  0x00007ffff32f095c in gtk_widget_get_path () from /usr/lib/libgtk-3.so.0
#10 0x00007ffff32f09da in ?? () from /usr/lib/libgtk-3.so.0
#11 0x00007ffff30eede4 in ?? () from /usr/lib/libgtk-3.so.0
#12 0x00007ffff32bb9de in ?? () from /usr/lib/libgtk-3.so.0
#13 0x00007ffff3217ace in ?? () from /usr/lib/libgtk-3.so.0
#14 0x00007ffff30eede4 in ?? () from /usr/lib/libgtk-3.so.0
#15 0x00007ffff30eede4 in ?? () from /usr/lib/libgtk-3.so.0
#16 0x00007ffff30eede4 in ?? () from /usr/lib/libgtk-3.so.0
#17 0x00007ffff30eede4 in ?? () from /usr/lib/libgtk-3.so.0
#18 0x00007ffff30eede4 in ?? () from /usr/lib/libgtk-3.so.0
#19 0x00007ffff30f0165 in ?? () from /usr/lib/libgtk-3.so.0
#20 0x00007ffff1d2b0a4 in g_closure_invoke ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#21 0x00007ffff1d3c81a in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#22 0x00007ffff1d466b1 in g_signal_emit_valist ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#23 0x00007ffff1d46852 in g_signal_emit ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#24 0x00007ffff329ef6c in gtk_tooltip_set_custom () from /usr/lib/libgtk-3.so.0
#25 0x0000000000491f51 in ?? ()
#26 0x00007ffff31b70d4 in ?? () from /usr/lib/libgtk-3.so.0
#27 0x00007ffff1d2b0a4 in g_closure_invoke ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#28 0x00007ffff1d3d02a in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#29 0x00007ffff1d46483 in g_signal_emit_valist ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#30 0x00007ffff1d46a3d in g_signal_emit_by_name ()
   from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#31 0x00007ffff329f1f0 in ?? () from /usr/lib/libgtk-3.so.0
#32 0x00007ffff32a0357 in ?? () from /usr/lib/libgtk-3.so.0
#33 0x00007ffff31b5b28 in gtk_main_do_event () from /usr/lib/libgtk-3.so.0
#34 0x00007ffff2e2e102 in ?? () from /usr/lib/libgdk-3.so.0
#35 0x00007ffff1865a5d in g_main_context_dispatch ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007ffff1866258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007ffff1866792 in g_main_loop_run ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007ffff31b4ecd in gtk_main () from /usr/lib/libgtk-3.so.0
#39 0x00007ffff2002a4e in g_application_run ()
   from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#40 0x000000000043c31c in main ()

