.
Thread 2 (Thread 0xb6affb70 (LWP 4024)):
#0  0x00baf416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x005ad40e in __GI___poll (fds=0x9d2ede0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0x0071741b in g_queue_free (queue=0x9d2ede0) at /build/buildd/glib2.0-2.30.0/./glib/gqueue.c:82
        _g_boolean_var_ = <optimized out>
        __PRETTY_FUNCTION__ = "g_queue_free"
#3  0x00708926 in g_main_context_iterate (context=0x7bcff4, block=7435248, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3095
        max_priority = 2147483647
        timeout = -1
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = <optimized out>
#4  0x0070902b in g_main_loop_run (loop=0x9d2ad40) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3242
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x002d180a in g_dbus_proxy_call_finish_internal (proxy=<optimized out>, out_fd_list=0x7bd420, res=0x0, error=0x0) at /build/buildd/glib2.0-2.30.0/./gio/gdbusproxy.c:2670
        simple = 0x0
        value = 0x9d23b80
        data = 0x4d8df0
        __PRETTY_FUNCTION__ = "g_dbus_proxy_call_finish_internal"
#6  0x00000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0xb77d9720 (LWP 4022)):
#0  0x0804e538 in connection_closed_cb (connection=0x9d27858, svc=0x1) at rb-metadata-dbus-service.c:216
        _g_boolean_var_ = <optimized out>
#1  0x003cb35a in ffi_call_SYSV () at ../src/x86/sysv.S:64
No locals.
#2  0x003cb08f in ffi_call (cif=0xbfaf6470, fn=0x804e500 <connection_closed_cb>, rvalue=0xbfaf6420, avalue=0xbfaf63e0) at ../src/x86/ffi.c:303
        ecif = {cif = 0xbfaf6470, rvalue = 0xbfaf6420, avalue = 0xbfaf63e0}
#3  0x0087a23e in value_set_boxed_internal (need_free=1, need_copy=1, boxed=0xa5cff4, value=0x4da97f) at /build/buildd/glib2.0-2.30.0/./gobject/gboxed.c:449
No locals.
#4  g_value_set_boxed (value=0x4da97f, boxed=0xa5cff4) at /build/buildd/glib2.0-2.30.0/./gobject/gboxed.c:480
        __PRETTY_FUNCTION__ = "g_value_set_boxed"
#5  0x09d29b98 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)