.
Thread 1 (process 10595):
#0  0x00007f4a20498010 in strlen () from /lib/libc.so.6
#1  0x00007f4a235519bc in Glib::ustring::operator= ()
   from /usr/lib/libglibmm-2.4.so.1
#2  0x0000000000409cf7 in ?? ()
#3  0x000000000040a211 in ?? ()
#4  0x00007f4a20f24d8d in ?? () from /usr/lib/libpulse.so.0
#5  0x00007f4a20f3e73f in ?? () from /usr/lib/libpulse.so.0
#6  0x00007f4a20f3e9b3 in ?? () from /usr/lib/libpulse.so.0
#7  0x00007f4a20f24909 in ?? () from /usr/lib/libpulse.so.0
#8  0x00007f4a20f3f682 in ?? () from /usr/lib/libpulse.so.0
#9  0x00007f4a2115acc7 in ?? () from /usr/lib/libpulse-mainloop-glib.so.0
#10 0x00007f4a21599384 in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#11 0x00007f4a2159c695 in ?? () from /usr/lib/libglib-2.0.so.0
#12 0x00007f4a2159c9b5 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#13 0x00007f4a23088d63 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#14 0x00007f4a24514fcc in Gtk::Main::run () from /usr/lib/libgtkmm-2.4.so.1
#15 0x000000000040e4c6 in ?? ()
#16 0x00007f4a2043b1c4 in __libc_start_main () from /lib/libc.so.6
#17 0x0000000000408ce9 in ?? ()
#18 0x00007fff2ccc9e68 in ?? ()
#19 0x0000000000000000 in ?? ()