.
Thread 3 (Thread 0x7fb3e150e700 (LWP 31323)):
#0  0x00007fb3e9e9f3cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb3ea6e4514 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb3ea6e497a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb3eb63bbd6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fb3ea7087a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb3ea181f8e in start_thread (arg=0x7fb3e150e700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fb3e150e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140410556049152, 4691696074173220468, 0, 140410757337184, 140410564438176, 4096, -4721036738346056076, -4721016468343454092}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fb3e9eabe1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (Thread 0x7fb3e1d0f700 (LWP 31320)):
#0  0x00007fb3e9e9f3cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb3ea6e4514 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb3ea6e461c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb3e1d16a1d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007fb3ea7087a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb3ea181f8e in start_thread (arg=0x7fb3e1d0f700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fb3e1d0f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140410564441856, 4691696074173220468, 0, 140410757337184, 140735749827456, 4096, -4721035640445041036, -4721016468343454092}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fb3e9eabe1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (Thread 0x7fb3ed4be9c0 (LWP 31312)):
#0  0x00000000004117a6 in bubble_get_id ()
No symbol table info available.
#1  0x000000000041cd61 in stack_notify_handler ()
No symbol table info available.
#2  0x000000000041b2f2 in dbus_glib_marshal_stack_VOID__STRING_UINT_STRING_STRING_STRING_BOXED_BOXED_INT_POINTER ()
No symbol table info available.
#3  0x00007fb3ec8f57dd in ?? () from /usr/lib/x86_64-linux-gnu/libdbus-glib-1.so.2
No symbol table info available.
#4  0x00007fb3ec6bf126 in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#5  0x00007fb3ec6b1cd1 in dbus_connection_dispatch () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#6  0x00007fb3ec8f2c95 in ?? () from /usr/lib/x86_64-linux-gnu/libdbus-glib-1.so.2
No symbol table info available.
#7  0x00007fb3ea6e4226 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#8  0x00007fb3ea6e4578 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#9  0x00007fb3ea6e497a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007fb3ebf18845 in gtk_main () at /build/buildd/gtk+3.0-3.8.2/./gtk/gtkmain.c:1156
        loop = 0x1657b90
#11 0x000000000040e21d in main ()
No symbol table info available.