.
Thread 3 (LWP 2052):
#0  0x00007f2cb6f1d3dd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f2cb745c394 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f2ca00010c0, timeout=-1, context=0x847b40) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3999
        poll_func = 0x7f2cb746b030 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x847b40, 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 = 0x7f2ca00010c0
#3  0x00007f2cb745c49c in g_main_context_iteration (context=context@entry=0x847b40, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3766
        retval = <optimized out>
#4  0x00007f2cae5f2a9d in dconf_gdbus_worker_thread (user_data=0x847b40) at dconf-gdbus-thread.c:81
        context = 0x847b40
#5  0x00007f2cb7480c25 in g_thread_proxy (data=0x96e850) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0x96e850
#6  0x00007f2cb71fef6e in start_thread (arg=0x7f2cae5eb700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f2cae5eb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139829880731392, 1658621969858038007, 0, 139830065586272, 140736194708560, 4096, -1630928302641510153, -1630877168883857161}, 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  0x00007f2cb6f29e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (LWP 1992):
#0  0x00007f2cb6f1d3dd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f2cb745c394 in g_main_context_poll (priority=2147483647, n_fds=3, fds=0x7f2ca80010c0, timeout=-1, context=0x834570) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3999
        poll_func = 0x7f2cb746b030 <g_poll>
#2  g_main_context_iterate (context=0x834570, 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 = 3
        allocated_nfds = 3
        fds = 0x7f2ca80010c0
#3  0x00007f2cb745c7fa in g_main_loop_run (loop=0x834500) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3899
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f2cb7c57646 in gdbus_shared_thread_func (user_data=0x834540) at /build/buildd/glib2.0-2.37.3/./gio/gdbusprivate.c:278
        data = 0x834540
#5  0x00007f2cb7480c25 in g_thread_proxy (data=0x7e18f0) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0x7e18f0
#6  0x00007f2cb71fef6e in start_thread (arg=0x7f2caf1fd700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f2caf1fd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139829893388032, 1658621969858038007, 0, 139830065586272, 140736194708064, 4096, -1630929944392759049, -1630877168883857161}, 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  0x00007f2cb6f29e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (LWP 1978):
#0  g_type_check_instance_cast (type_instance=type_instance@entry=0x19076f0, iface_type=iface_type@entry=80) at /build/buildd/glib2.0-2.37.3/./gobject/gtype.c:4008
        is_instantiatable = <optimized out>
        check = <optimized out>
#1  0x00007f2cad7d1c3e in menu_item_is_activating (mi=mi@entry=0x19076f0) at ../../../libdbusmenu-gtk/client.c:491
No locals.
#2  0x00007f2cad7d1c69 in close_in_idle (mi=0x19076f0) at ../../../libdbusmenu-gtk/client.c:580
No locals.
#3  0x00007f2cb745c0a6 in g_main_dispatch (context=0x812f70) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3058
        dispatch = 0x7f2cb74590f0 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x19076f0
        callback = 0x7f2cad7d1c60 <close_in_idle>
        cb_funcs = 0x7f2cb7712940 <g_source_callback_funcs>
        cb_data = 0x1528980
        need_destroy = <optimized out>
        current_source_link = {data = 0xb312c10, next = 0x0}
        source = 0xb312c10
        current = 0x81ed90
        i = 0
#4  g_main_context_dispatch (context=context@entry=0x812f70) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3634
No locals.
#5  0x00007f2cb745c3f8 in g_main_context_iterate (context=0x812f70, 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 = 200
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 3
        fds = 0x977030
#6  0x00007f2cb745c7fa in g_main_loop_run (loop=0x977010) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3899
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#7  0x00007f2cb8533365 in gtk_main () at /build/buildd/gtk+3.0-3.8.2/./gtk/gtkmain.c:1156
        loop = 0x977010
#8  0x0000000000404c87 in main ()
No symbol table info available.