.
Thread 3 (process 2099):
#0  0x00007faaa074fcbd in read () at ../sysdeps/unix/syscall-template.S:82
No locals.
#1  0x00007faaa10fdacb in child_watch_helper_thread (
    data=<value optimized out>)
    at /build/buildd/glib2.0-2.28.0/glib/gmain.c:4319
	b = "B", '\0' <repeats 18 times>
	list = <value optimized out>
#2  0x00007faaa1123314 in g_thread_create_proxy (data=0x2714790)
    at /build/buildd/glib2.0-2.28.0/glib/gthread.c:1042
	thread = (GRealThread *) 0x2714790
	__PRETTY_FUNCTION__ = "g_thread_create_proxy"
#3  0x00007faaa0747d8c in start_thread (arg=0x7faa8ff08700)
    at allocatestack.c:304
	pd = (struct pthread *) 0x7faa8ff08700
	now = <value optimized out>
	unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140370536072960, 
        -3633790041978215597, 140735107729856, 140370536073664, 0, 3, 
        3658946915370361683, 3659016218937746259}, mask_was_saved = 0}}, 
  priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
      canceltype = 0}}}
	not_first_call = 0
	robust = <value optimized out>
	sp = <value optimized out>
	freesize = <value optimized out>
	__PRETTY_FUNCTION__ = "start_thread"
#4  0x00007faaa048117d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#5  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (process 2096):
#0  0x00007faaa0474003 in *__GI___poll (fds=<value optimized out>, 
    nfds=<value optimized out>, timeout=<value optimized out>)
    at ../sysdeps/unix/sysv/linux/poll.c:87
	resultvar = 18446744073709551100
	oldtype = 0
	result = <value optimized out>
#1  0x000000000255f260 in ?? ()
No symbol table info available.
#2  0x00000000ffffffff in ?? ()
No symbol table info available.
#3  0x0000000000000003 in ?? ()
No symbol table info available.
#4  0x000000000255f260 in ?? ()
No symbol table info available.
#5  0x0000000000000001 in ?? ()
No symbol table info available.
#6  0x00007faaa10fc170 in g_main_context_iterate (context=0x255ef30, 
    block=<value optimized out>, dispatch=1)
    at /build/buildd/glib2.0-2.28.0/glib/gmain.c:4319
	max_priority = 2147483647
	timeout = -1
	some_ready = <value optimized out>
	nfds = 3
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0x255f260
#7  0x00007faaa1c68000 in ?? ()
No symbol table info available.
#8  0x000000000064d288 in ?? ()
No symbol table info available.
#9  0x00000001a074bd70 in ?? ()
No symbol table info available.
#10 0x000000000064d1c0 in ?? ()
No symbol table info available.
#11 0x000000000254fcac in ?? ()
No symbol table info available.
#12 0x7fffffffffffffff in ?? ()
No symbol table info available.
#13 0x0000000000000003 in ?? ()
No symbol table info available.
#14 0x000000000254fca0 in ?? ()
No symbol table info available.
#15 0x00007faaa074a390 in __pthread_mutex_lock_full (mutex=0x255f260)
    at pthread_mutex_lock.c:297
	kind = -516
	oldval = <value optimized out>
	id = -1
	__PRETTY_FUNCTION__ = "__pthread_mutex_lock_full"
#16 0x000000000064d280 in ?? ()
No symbol table info available.
#17 0x000000000254fcac in ?? ()
No symbol table info available.
#18 0x00007faaa074a390 in __pthread_mutex_lock_full (mutex=0x64d1c0)
    at pthread_mutex_lock.c:297
	kind = -516
	oldval = <value optimized out>
	id = 39124140
	__PRETTY_FUNCTION__ = "__pthread_mutex_lock_full"
#19 0x0000000000000003 in ?? ()
No symbol table info available.
#20 0x00007faaa10fca4a in g_main_loop_run (loop=0x3)
    at /build/buildd/glib2.0-2.28.0/glib/gmain.c:4319
	__PRETTY_FUNCTION__ = "g_main_loop_run"
#21 0x00007faaa1d1cb34 in gdbus_shared_thread_func (
    data=<value optimized out>)
    at /build/buildd/glib2.0-2.28.0/gio/gdbusprivate.c:471
No locals.
#22 0x00007faaa1123314 in g_thread_create_proxy (data=0x255f010)
    at /build/buildd/glib2.0-2.28.0/glib/gthread.c:1042
	thread = (GRealThread *) 0x255f010
	__PRETTY_FUNCTION__ = "g_thread_create_proxy"
#23 0x00007faaa0747d8c in start_thread (arg=0x7faa98e82700)
    at allocatestack.c:304
	pd = (struct pthread *) 0x7faa98e82700
	now = <value optimized out>
	unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140370686519040, 
        -3633790041978215597, 140370694908352, 140370686519744, 0, 3, 
        3658927193954280275, 3659016218937746259}, mask_was_saved = 0}}, 
  priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
      canceltype = 0}}}
	not_first_call = 0
	robust = <value optimized out>
	sp = <value optimized out>
	freesize = <value optimized out>
	__PRETTY_FUNCTION__ = "start_thread"
#24 0x00007faaa048117d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#25 0x0000000000000000 in ?? ()
No symbol table info available.
Current language:  auto; currently asm
.
Thread 1 (process 2094):
#0  0x00007faaa15e0cfd in g_type_check_instance_cast (
    type_instance=0x292e020, iface_type=39018608)
    at /build/buildd/glib2.0-2.28.0/gobject/gtype.c:1766
	node = (TypeNode *) 0x25aa4c0
	iface = (TypeNode *) 0x7fff721a84b0
	is_instantiatable = <value optimized out>
	check = <value optimized out>
#1  0x00007faa9803ba9e in theme_changed_cb (theme=0x25098b0, data=0x292e020)
    at /build/buildd/libdbusmenu-0.3.98/./libdbusmenu-gtk/parser.c:123
	image = <value optimized out>
	pmi = <value optimized out>
#2  0x00007faaa15bb7fc in g_closure_invoke (closure=0x2976930, 
    return_value=0x0, n_param_values=1, param_values=0x25aa4c0, 
    invocation_hint=0x7fff721a84b0)
    at /build/buildd/glib2.0-2.28.0/gobject/gclosure.c:197
	marshal = <value optimized out>
	marshal_data = <value optimized out>
	in_marshal = 0
	__PRETTY_FUNCTION__ = "g_closure_invoke"
#3  0x00000000028ddf30 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
Current language:  auto; currently c