.
Thread 3 (Thread 0x7f09b2efa700 (LWP 6677)):
#0  0x00007f09bf71e3cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f09c0088394 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f09a40010c0, timeout=-1, context=0x9060a0) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3999
        poll_func = 0x7f09c0097030 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x9060a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3700
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7f09a40010c0
#3  0x00007f09c008849c in g_main_context_iteration (context=0x9060a0, may_block=1) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3766
        retval = <optimized out>
#4  0x00007f09b2f01a1d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#5  0x00007f09c00acc25 in g_thread_proxy (data=0x8f2b20) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0x8f2b20
#6  0x00007f09bfa00f8e in start_thread (arg=0x7f09b2efa700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f09b2efa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139679633483520, -4355035046093054115, 0, 139679890976864, 140733410477088, 4096, 4439611813786492765, 4439618990109695837}, 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"
#7  0x00007f09bf72ae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (Thread 0x7f09b3b0c700 (LWP 6676)):
#0  0x00007f09bf71e3cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f09c0088394 in g_main_context_poll (priority=2147483647, n_fds=5, fds=0x7f09ac00f280, timeout=-1, context=0x7b4f40) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3999
        poll_func = 0x7f09c0097030 <g_poll>
#2  g_main_context_iterate (context=0x7b4f40, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3700
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 5
        allocated_nfds = 5
        fds = 0x7f09ac00f280
#3  0x00007f09c00887fa in g_main_loop_run (loop=0x7b4ed0) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3899
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f09c08835f6 in gdbus_shared_thread_func (user_data=0x7b4f10) at /build/buildd/glib2.0-2.37.3/./gio/gdbusprivate.c:278
        data = 0x7b4f10
#5  0x00007f09c00acc25 in g_thread_proxy (data=0x7a20f0) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0x7a20f0
#6  0x00007f09bfa00f8e in start_thread (arg=0x7f09b3b0c700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f09b3b0c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139679646140160, -4355035046093054115, 0, 139679890976864, 140733410476592, 4096, 4439610053923643229, 4439618990109695837}, 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"
#7  0x00007f09bf72ae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (Thread 0x7f09c24369c0 (LWP 6675)):
#0  0x00007f09c1214366 in wnck_window_get_xid () from /usr/lib/x86_64-linux-gnu/libwnck-3.so.0
No symbol table info available.
#1  0x000000000040cb2e in ?? ()
No symbol table info available.
#2  0x00007f09bbca4c18 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#3  0x00007f09bbca4580 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#4  0x00007f09c0350aa8 in g_cclosure_marshal_generic (closure=0x962e70, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x0) at /build/buildd/glib2.0-2.37.3/./gobject/gclosure.c:1454
        rtype = <optimized out>
        rvalue = 0x7fff0cf08140
        n_args = 4
        atypes = <optimized out>
        i = <optimized out>
        cif = {abi = FFI_UNIX64, nargs = 4, arg_types = 0x7fff0cf08110, rtype = 0x7f09bbca5000 <ffi_type_void>, bytes = 0, flags = 0}
        cc = 0x962e70
        enum_tmpval = <optimized out>
        tmpval_used = 0
#5  0x00007f09c0350268 in g_closure_invoke (closure=0x962e70, return_value=0x0, n_param_values=3, param_values=0x7fff0cf083e0, invocation_hint=0x7fff0cf08380) at /build/buildd/glib2.0-2.37.3/./gobject/gclosure.c:777
        marshal = 0x7f09c03508b0 <g_cclosure_marshal_generic>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x962e50
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#6  0x00007f09c03626cd in signal_emit_unlocked_R (node=node@entry=0x8eaa00, detail=detail@entry=0, instance=instance@entry=0x8ec820, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff0cf083e0) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3582
        tmp = <optimized out>
        handler = 0x8b2490
        accumulator = 0x0
        emission = {next = 0x7fff0cf08a30, instance = 0x8ec820, ihint = {signal_id = 211, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        handler_list = 0x8ec8d0
        return_accu = 0x0
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        signal_id = 211
        max_sequential_handler_number = 1825
        return_value_altered = 1
#7  0x00007f09c036a8ba in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fff0cf08598) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3326
        instance_and_params = 0x7fff0cf083e0
        signal_return_type = <optimized out>
        param_values = 0x7fff0cf083f8
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#8  0x00007f09c036ab92 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3382
        var_args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fff0cf08670, reg_save_area = 0x7fff0cf085b0}}
#9  0x00000000004083c4 in ?? ()
No symbol table info available.
#10 0x00007f09bbca4c18 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#11 0x00007f09bbca4580 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#12 0x00007f09c0350aa8 in g_cclosure_marshal_generic (closure=0x952f90, return_gvalue=0x7fff0cf089f0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x0) at /build/buildd/glib2.0-2.37.3/./gobject/gclosure.c:1454
        rtype = <optimized out>
        rvalue = 0x7fff0cf08800
        n_args = 5
        atypes = <optimized out>
        i = <optimized out>
        cif = {abi = FFI_UNIX64, nargs = 5, arg_types = 0x7fff0cf087c0, rtype = 0x7f09bbca4f40 <ffi_type_sint32>, bytes = 0, flags = 10}
        cc = 0x952f90
        enum_tmpval = <optimized out>
        tmpval_used = 0
#13 0x00007f09c0350268 in g_closure_invoke (closure=0x952f90, return_value=0x7fff0cf089f0, n_param_values=4, param_values=0x9bea00, invocation_hint=0x7fff0cf08a40) at /build/buildd/glib2.0-2.37.3/./gobject/gclosure.c:777
        marshal = 0x407560 <g_cclosure_marshal_generic@plt>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x952f70
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#14 0x00007f09c03626cd in signal_emit_unlocked_R (node=node@entry=0x96b4e0, detail=detail@entry=0, instance=instance@entry=0x937540, emission_return=emission_return@entry=0x7fff0cf08b80, instance_and_params=instance_and_params@entry=0x9bea00) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3582
        tmp = <optimized out>
        handler = 0x931800
        accumulator = 0x96b570
        emission = {next = 0x0, instance = 0x937540, ihint = {signal_id = 320, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        handler_list = 0x931800
        return_accu = 0x7fff0cf089f0
        accu = {g_type = 20, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        signal_id = 320
        max_sequential_handler_number = 1825
        return_value_altered = 0
#15 0x00007f09c0369837 in g_signal_emitv (instance_and_params=0x9bea00, signal_id=<optimized out>, detail=0, return_value=0x7fff0cf08b80) at /build/buildd/glib2.0-2.37.3/./gobject/gsignal.c:3059
        instance = 0x937540
        param_values = 0x9bea18
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emitv"
#16 0x0000000000415280 in ?? ()
No symbol table info available.
#17 0x00007f09c088bff6 in g_dbus_interface_method_dispatch_helper (invocation=0x7f09ac026b20, method_call_func=0x4150f0, interface=<optimized out>) at /build/buildd/glib2.0-2.37.3/./gio/gdbusinterfaceskeleton.c:609
        has_handlers = <optimized out>
        emit_authorized_signal = <optimized out>
        flags = <optimized out>
        has_default_class_handler = <optimized out>
        run_in_thread = <optimized out>
        object = 0x0
#18 skeleton_intercept_handle_method_call (connection=<optimized out>, sender=<optimized out>, object_path=<optimized out>, interface_name=<optimized out>, method_name=<optimized out>, parameters=<optimized out>, invocation=0x7f09ac026b20, user_data=0x937540) at /build/buildd/glib2.0-2.37.3/./gio/gdbusinterfaceskeleton.c:650
        interface = <optimized out>
#19 0x00007f09c087416e in call_in_idle_cb (user_data=<optimized out>) at /build/buildd/glib2.0-2.37.3/./gio/gdbusconnection.c:4852
        invocation = 0x7f09ac026b20
        vtable = <optimized out>
        registration_id = <optimized out>
        subtree_registration_id = <optimized out>
        __PRETTY_FUNCTION__ = "call_in_idle_cb"
#20 0x00007f09c00880a6 in g_main_dispatch (context=0x7bfb40) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3058
        dispatch = 0x7f09c00850f0 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x7f09ac026b20
        callback = 0x7f09c0874040 <call_in_idle_cb>
        cb_funcs = 0x7f09c033e940 <g_source_callback_funcs>
        cb_data = 0x7f09ac022c00
        need_destroy = <optimized out>
        current_source_link = {data = 0x7f09ac0264d0, next = 0x0}
        source = 0x7f09ac0264d0
        current = 0x7f8a90
        i = 0
#21 g_main_context_dispatch (context=context@entry=0x7bfb40) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3634
No locals.
#22 0x00007f09c00883f8 in g_main_context_iterate (context=0x7bfb40, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3705
        max_priority = 2147483647
        timeout = -1
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 4
        fds = 0x954bd0
#23 0x00007f09c00887fa in g_main_loop_run (loop=0x85b4f0) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3899
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#24 0x0000000000407f56 in ?? ()
No symbol table info available.
#25 0x00007f09bf652ea5 in __libc_start_main (main=0x407e40, argc=5, ubp_av=0x7fff0cf08f78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff0cf08f68) at libc-start.c:260
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -4355035046093054115, 4226944, 140733410479984, 0, 0, 4355499061973819229, 4439617367651458909}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x41f0e0, 0x7fff0cf08f78}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4321504}}}
        not_first_call = <optimized out>
#26 0x0000000000407fa9 in ?? ()
No symbol table info available.