.
Thread 3 (Thread 0x7fd65482c700 (LWP 1812)):
#0  0x00007fd65ee9ad93 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007fd65f8e90e6 in g_main_context_poll (n_fds=1, fds=0x7fd64c0010e0, timeout=-1, context=0x23bf450, priority=<optimized out>) at /build/buildd/glib2.0-2.31.22/./glib/gmain.c:3417
        poll_func = 0x7fd65f8f6060 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x23bf450, self=<optimized out>) at /build/buildd/glib2.0-2.31.22/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7fd64c0010e0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x23bf450, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.22/./glib/gmain.c:3060
        some_ready = 1275072736
#4  0x00007fd65f8e954a in g_main_loop_run (loop=0x7fd64c0010c0) at /build/buildd/glib2.0-2.31.22/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007fd65483198b in dconf_context_thread (data=<optimized out>) at dconfcontext.c:11
        context = 0x23bf450
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#6  0x00007fd65f90acd5 in g_thread_proxy (data=0x7fd650003ad0) at /build/buildd/glib2.0-2.31.22/./glib/gthread.c:801
        thread = 0x7fd650003ad0
#7  0x00007fd65f178e9a in start_thread (arg=0x7fd65482c700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fd65482c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -1563151068099036761, 140734961018704, 140558517586368, 0, 3, 1576888136713058727, 1576871531767609767}, 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"
#8  0x00007fd65eea674d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7fd656237700 (LWP 1809)):
#0  0x00007fd65ee9ad93 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007fd65f8e90e6 in g_main_context_poll (n_fds=3, fds=0x7fd6500010c0, timeout=-1, context=0x23b46e0, priority=<optimized out>) at /build/buildd/glib2.0-2.31.22/./glib/gmain.c:3417
        poll_func = 0x7fd65f8f6060 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x23b46e0, self=<optimized out>) at /build/buildd/glib2.0-2.31.22/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7fd6500010c0
        max_priority = 2147483647
        nfds = 3
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x23b46e0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.22/./glib/gmain.c:3060
        some_ready = 1342181568
#4  0x00007fd65f8e954a in g_main_loop_run (loop=0x23b4690) at /build/buildd/glib2.0-2.31.22/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007fd65feba656 in gdbus_shared_thread_func (user_data=<optimized out>) at /build/buildd/glib2.0-2.31.22/./gio/gdbusprivate.c:277
        data = 0x23b46b0
#6  0x00007fd65f90acd5 in g_thread_proxy (data=0x23b1f20) at /build/buildd/glib2.0-2.31.22/./glib/gthread.c:801
        thread = 0x23b1f20
#7  0x00007fd65f178e9a in start_thread (arg=0x7fd656237700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fd656237700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -1563151068099036761, 140734961020032, 140558544894400, 0, 3, 1576891145874520487, 1576871531767609767}, 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"
#8  0x00007fd65eea674d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7fd663352980 (LWP 1781)):
#0  g_type_check_instance_cast (type_instance=0x2b0d4e0, iface_type=37913440) at /build/buildd/glib2.0-2.31.22/./gobject/gtype.c:3999
        node = 0x7fff695be5e0
        iface = 0x0
        is_instantiatable = <optimized out>
        check = <optimized out>
#1  0x00007fd6416594d3 in ?? ()
No symbol table info available.
#2  0x0000000000000001 in ?? ()
No symbol table info available.
#3  0x00007fd65fbcbc05 in g_value_peek_pointer (value=0x2b0d4e0) at /build/buildd/glib2.0-2.31.22/./gobject/gvalue.c:317
        value_table = <optimized out>
        __PRETTY_FUNCTION__ = "g_value_peek_pointer"
#4  0x0000000000429a90 in gtk_menu_item_get_type@plt ()
No symbol table info available.
#5  0x0000000000000001 in ?? ()
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.