.
Thread 3 (Thread 2713):
#0  0x00007f91c2d4a1e3 in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f91af22e3af in ?? () from /usr/lib/libpulse.so.0
No symbol table info available.
#2  0x00007f91af21dd16 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
No symbol table info available.
#3  0x00007f91af21f799 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
No symbol table info available.
#4  0x00007f91af21f850 in pa_mainloop_run () from /usr/lib/libpulse.so.0
No symbol table info available.
#5  0x00007f91af22e1ab in ?? () from /usr/lib/libpulse.so.0
No symbol table info available.
#6  0x00007f91ae9dff68 in ?? () from /usr/lib/libpulsecommon-0.9.21.so
No symbol table info available.
#7  0x00007f91c2ffa971 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#8  0x00007f91c2d5692d in clone () from /lib/libc.so.6
No symbol table info available.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 2660):
#0  0x00007f91c2d4a1e3 in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f91c36794a9 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f91c3679c55 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f91c42272c4 in ?? () from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f91c369eee4 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f91c2ffa971 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#6  0x00007f91c2d5692d in clone () from /lib/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 2658):
#0  0x00007f91c3f53a31 in g_type_instance_get_private () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#1  0x00000000004499e3 in ?? ()
No symbol table info available.
#2  0x00007f91c66b0f40 in unique_marshal_ENUM__INT_BOXED_UINT () from /usr/lib/libunique-1.0.so.0
No symbol table info available.
#3  0x00007f91c3f35afe in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#4  0x00007f91c3f4e379 in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007f91c3f4f93c in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007f91c3f50353 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007f91c66aee54 in unique_app_emit_message_received () from /usr/lib/libunique-1.0.so.0
No symbol table info available.
#8  0x00007f91c66b2712 in ?? () from /usr/lib/libunique-1.0.so.0
No symbol table info available.
#9  0x00007f91c66b282f in ?? () from /usr/lib/libunique-1.0.so.0
No symbol table info available.
#10 0x00007f91c2023d7b in ?? () from /usr/lib/libdbus-glib-1.so.2
No symbol table info available.
#11 0x00007f91c20244bd in ?? () from /usr/lib/libdbus-glib-1.so.2
No symbol table info available.
#12 0x00007f91c1df3e5e in ?? () from /lib/libdbus-1.so.3
No symbol table info available.
#13 0x00007f91c1de7aec in dbus_connection_dispatch () from /lib/libdbus-1.so.3
No symbol table info available.
#14 0x00007f91c2020a45 in ?? () from /usr/lib/libdbus-glib-1.so.2
No symbol table info available.
#15 0x00007f91c36757e2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
No symbol table info available.
#16 0x00007f91c3679748 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#17 0x00007f91c3679c55 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#18 0x00007f91c618fa47 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#19 0x00000000004462a3 in brasero_app_run_mainwin ()
No symbol table info available.
#20 0x000000000041ddbc in main ()
No symbol table info available.