BACKTRACE ONE
================================================================================

Thread 5 (Thread 0x7fd2fbad5700 (LWP 474)):
#0  0x00007fd305c0d303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>,
    timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd306444d84 in g_main_context_poll (n_fds=3, fds=0x7fd2f40010e0, timeout=-1,
    context=0x2165c40, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
#2  g_main_context_iterate (context=0x2165c40, block=block@entry=1,
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
#3  0x00007fd3064451e2 in g_main_loop_run (loop=0x2165bd0)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
#4  0x00007fd306c5e3b6 in gdbus_shared_thread_func (user_data=0x2165c10)
    at /build/buildd/glib2.0-2.34.0/./gio/gdbusprivate.c:277
#5  0x00007fd306468645 in g_thread_proxy (data=0x21af990)
    at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
#6  0x00007fd305eebe9a in start_thread (arg=0x7fd2fbad5700) at pthread_create.c:308
#7  0x00007fd305c18cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fd2f9bda700 (LWP 475)):
#0  0x00007fd305c0d303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>,
    timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd306444d84 in g_main_context_poll (n_fds=1, fds=0x7fd2ec0010c0, timeout=-1,
    context=0x229ad90, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
#2  g_main_context_iterate (context=context@entry=0x229ad90, block=block@entry=1,
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
#3  0x00007fd306444ea4 in g_main_context_iteration (context=0x229ad90, may_block=1)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
#4  0x00007fd2f9be14ad in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#5  0x00007fd306468645 in g_thread_proxy (data=0x22989e0)
    at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
#6  0x00007fd305eebe9a in start_thread (arg=0x7fd2f9bda700) at pthread_create.c:308
#7  0x00007fd305c18cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fd2f93d9700 (LWP 476)):
#0  0x00007fd305c0d303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>,
    timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd306444d84 in g_main_context_poll (n_fds=1, fds=0x7fd2f0068520, timeout=-1,
    context=0x22ad340, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
#2  g_main_context_iterate (context=0x22ad340, block=block@entry=1,
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
#3  0x00007fd3064451e2 in g_main_loop_run (loop=0x22af100)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
#4  0x00007fd306f2d39c in ?? () from /usr/lib/libedataserver-1.2.so.17
---Type <return> to continue, or q <return> to quit---
#5  0x00007fd306468645 in g_thread_proxy (data=0x22aba30)
    at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
#6  0x00007fd305eebe9a in start_thread (arg=0x7fd2f93d9700) at pthread_create.c:308
#7  0x00007fd305c18cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fd2df41e700 (LWP 478)):
#0  0x00007fd305c0d303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>,
    timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd306444d84 in g_main_context_poll (n_fds=1, fds=0x7fd2d8031730, timeout=-1,
    context=0x7fd2e400e070, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
#2  g_main_context_iterate (context=0x7fd2e400e070, block=block@entry=1,
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
#3  0x00007fd3064451e2 in g_main_loop_run (loop=0x7fd2e400cdc0)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
#4  0x00007fd306f2d39c in ?? () from /usr/lib/libedataserver-1.2.so.17
#5  0x00007fd306468645 in g_thread_proxy (data=0x7fd2e400d050)
    at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
#6  0x00007fd305eebe9a in start_thread (arg=0x7fd2df41e700) at pthread_create.c:308
#7  0x00007fd305c18cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd3094fc940 (LWP 471)):
#0  0x00007fd30644a8d1 in g_malloc_n (n_blocks=3, n_block_bytes=n_block_bytes@entry=24)
    at /build/buildd/glib2.0-2.34.0/./glib/gmem.c:394
#1  0x00007fd30670a7a6 in g_object_newv (object_type=object_type@entry=36416112,
    n_parameters=n_parameters@entry=0, parameters=parameters@entry=0x0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1698
#2  0x00007fd30670b38c in g_object_new (object_type=36416112, first_property_name=0x0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1547
#3  0x00007fd306965867 in gee_read_only_collection_construct ()
   from /usr/lib/x86_64-linux-gnu/libgee.so.2
#4  0x00007fd30694a913 in ?? () from /usr/lib/x86_64-linux-gnu/libgee.so.2
#5  0x00007fd30694e500 in ?? () from /usr/lib/x86_64-linux-gnu/libgee.so.2
#6  0x00007fd3079e815b in _folks_individual_aggregator_remove_individual_from_link_map (
    self=0x21b5860, individual=0x265707e0) at individual-aggregator.c:4582
#7  0x00007fd3079e879c in _folks_individual_aggregator_add_personas (
    self=self@entry=0x21b5860, added=added@entry=0xbd236d0, user=user@entry=0x7fff7d4c7218,
    individuals_changes=individuals_changes@entry=0x7fff7d4c7210)
    at individual-aggregator.c:3949
#8  0x00007fd3079e94ff in _folks_individual_aggregator_personas_changed_cb (self=0x21b5860,
    store=<optimized out>, added=0xbd236d0, removed=0xbd1a710, reason=<optimized out>,
    actor=<optimized out>, message=<optimized out>) at individual-aggregator.c:4943
#9  0x00007fd3079f1633 in g_cclosure_user_marshal_VOID__OBJECT_OBJECT_STRING_OBJECT_ENUM (
    closure=<optimized out>, return_value=<optimized out>, n_param_values=<optimized out>,
    param_values=0x7fff7d4c7490, invocation_hint=<optimized out>,
    marshal_data=<optimized out>) at persona-store.c:757
#10 0x00007fd306704140 in g_closure_invoke (closure=0x2414c50, return_value=0x0,
---Type <return> to continue, or q <return> to quit---
    n_param_values=6, param_values=0x7fff7d4c7490, invocation_hint=0x7fff7d4c7430)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:777
#11 0x00007fd306715550 in signal_emit_unlocked_R (node=node@entry=0x23a3700,
    detail=detail@entry=0, instance=instance@entry=0x22bd500,
    emission_return=emission_return@entry=0x0,
    instance_and_params=instance_and_params@entry=0x7fff7d4c7490)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3551
#12 0x00007fd30671d4af in g_signal_emit_valist (instance=instance@entry=0x22bd500,
    signal_id=signal_id@entry=343, detail=detail@entry=0,
    var_args=var_args@entry=0x7fff7d4c7798)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3300
#13 0x00007fd30671db50 in g_signal_emit_by_name (instance=instance@entry=0x22bd500,
    detailed_signal=detailed_signal@entry=0x7fd3079ffebc "personas-changed")
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3393
#14 0x00007fd3079f19e7 in _folks_persona_store_emit_personas_changed (self=0x22bd500,
    added=<optimized out>, removed=<optimized out>, message=0x0, actor=0x0,
    reason=FOLKS_GROUP_DETAILS_CHANGE_REASON_NONE) at persona-store.c:445
#15 0x00007fd307c2c863 in ?? () from /usr/lib/libfolks-eds.so.25
#16 0x00007fd3067072de in g_cclosure_marshal_VOID__BOXEDv (closure=0x23d6e50,
    return_value=<optimized out>, instance=0x7fd2f4007700, args=<optimized out>,
    marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x23d45c0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gmarshal.c:1160
#17 0x00007fd306704407 in _g_closure_invoke_va (closure=0x23d6e50, return_value=0x0,
    instance=0x7fd2f4007700, args=0x7fff7d4c7c78, n_params=1, param_types=0x23d45c0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:840
#18 0x00007fd30671cdf6 in g_signal_emit_valist (instance=0x7fd2f4007700,
    signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff7d4c7c78)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3211
#19 0x00007fd30671d642 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>,
    detail=<optimized out>) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
#20 0x00007fd3020d65a0 in ?? () from /usr/lib/libebook-1.2.so.14
#21 0x00007fd306704140 in g_closure_invoke (closure=0x23d6cb0, return_value=0x0,
    n_param_values=2, param_values=0x7fff7d4c7f40, invocation_hint=0x7fff7d4c7ee0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:777
#22 0x00007fd306715550 in signal_emit_unlocked_R (node=node@entry=0x241eab0,
    detail=detail@entry=0, instance=instance@entry=0x21add20,
    emission_return=emission_return@entry=0x0,
    instance_and_params=instance_and_params@entry=0x7fff7d4c7f40)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3551
#23 0x00007fd30671d4af in g_signal_emit_valist (instance=0x21add20,
    signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff7d4c8198)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3300
#24 0x00007fd30671d642 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>,
    detail=<optimized out>) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
#25 0x00007fd306f13fee in e_gdbus_proxy_emit_signal () from /usr/lib/libedataserver-1.2.so.17
#26 0x00007fd300a19bb8 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
#27 0x00007fd300a195c0 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
#28 0x00007fd306704a9b in g_cclosure_marshal_generic (closure=0x21b86f0, return_gvalue=0x0,
    n_param_values=<optimized out>, param_values=<optimized out>,
    invocation_hint=<optimized out>, marshal_data=0x7fd3020f0e80)
---Type <return> to continue, or q <return> to quit---
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:1454
#29 0x00007fd306704140 in g_closure_invoke (closure=0x21b86f0, return_value=0x0,
    n_param_values=4, param_values=0x7fff7d4c8730, invocation_hint=0x7fff7d4c86d0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:777
#30 0x00007fd3067152d0 in signal_emit_unlocked_R (node=node@entry=0x21b8720,
    detail=detail@entry=0, instance=instance@entry=0x21add20,
    emission_return=emission_return@entry=0x0,
    instance_and_params=instance_and_params@entry=0x7fff7d4c8730)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3589
#31 0x00007fd30671d4af in g_signal_emit_valist (instance=0x21add20,
    signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff7d4c89b8)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3300
#32 0x00007fd30671d642 in g_signal_emit (instance=instance@entry=0x21add20,
    signal_id=<optimized out>, detail=detail@entry=0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
#33 0x00007fd306c5aa84 in on_signal_received (connection=<optimized out>,
    sender_name=0x7fd2f4aa6590 ":1.68", object_path=<optimized out>,
    interface_name=<optimized out>, signal_name=0x7fd2f4a988d0 "complete",
    parameters=0x7fd2f4aa6a00, user_data=0x240cb00)
    at /build/buildd/glib2.0-2.34.0/./gio/gdbusproxy.c:927
#34 0x00007fd306c4a705 in emit_signal_instance_in_idle_cb (data=0x7fd2f4aa0e70)
    at /build/buildd/glib2.0-2.34.0/./gio/gdbusconnection.c:3715
#35 0x00007fd306444ab5 in g_main_dispatch (context=0x2161170)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:2715
#36 g_main_context_dispatch (context=context@entry=0x2161170)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3219
#37 0x00007fd306444de8 in g_main_context_iterate (context=context@entry=0x2161170,
    block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3290
#38 0x00007fd306444ea4 in g_main_context_iteration (context=0x2161170, context@entry=0x0,
    may_block=may_block@entry=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
#39 0x00007fd306c2c69c in g_application_run (application=0x22ae050, argc=<optimized out>,
    argv=0x7fff7d4c8d48) at /build/buildd/glib2.0-2.34.0/./gio/gapplication.c:1620
#40 0x000000000045da45 in _vala_main ()
#41 0x00007fd305b4676d in __libc_start_main (main=0x41b210 <main>, argc=1,
    ubp_av=0x7fff7d4c8d48, init=<optimized out>, fini=<optimized out>,
    rtld_fini=<optimized out>, stack_end=0x7fff7d4c8d38) at libc-start.c:226
#42 0x000000000041b259 in _start ()

BACKTRACE TWO
================================================================================

Thread 5 (Thread 0x7fd2fbad5700 (LWP 474)):
#0  0x00007fd305c0d303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>,
    timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd306444d84 in g_main_context_poll (n_fds=3, fds=0x7fd2f40010e0, timeout=-1,
    context=0x2165c40, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
#2  g_main_context_iterate (context=0x2165c40, block=block@entry=1,
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
#3  0x00007fd3064451e2 in g_main_loop_run (loop=0x2165bd0)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
#4  0x00007fd306c5e3b6 in gdbus_shared_thread_func (user_data=0x2165c10)
    at /build/buildd/glib2.0-2.34.0/./gio/gdbusprivate.c:277
#5  0x00007fd306468645 in g_thread_proxy (data=0x21af990)
    at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
#6  0x00007fd305eebe9a in start_thread (arg=0x7fd2fbad5700) at pthread_create.c:308
#7  0x00007fd305c18cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fd2f9bda700 (LWP 475)):
#0  0x00007fd305c0d303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>,
    timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd306444d84 in g_main_context_poll (n_fds=1, fds=0x7fd2ec0010c0, timeout=-1,
    context=0x229ad90, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
#2  g_main_context_iterate (context=context@entry=0x229ad90, block=block@entry=1,
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
#3  0x00007fd306444ea4 in g_main_context_iteration (context=0x229ad90, may_block=1)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
#4  0x00007fd2f9be14ad in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#5  0x00007fd306468645 in g_thread_proxy (data=0x22989e0)
    at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
#6  0x00007fd305eebe9a in start_thread (arg=0x7fd2f9bda700) at pthread_create.c:308
#7  0x00007fd305c18cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fd2f93d9700 (LWP 476)):
#0  0x00007fd305c0d303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>,
    timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd306444d84 in g_main_context_poll (n_fds=1, fds=0x7fd2f0068520, timeout=-1,
    context=0x22ad340, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
#2  g_main_context_iterate (context=0x22ad340, block=block@entry=1,
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
#3  0x00007fd3064451e2 in g_main_loop_run (loop=0x22af100)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
#4  0x00007fd306f2d39c in ?? () from /usr/lib/libedataserver-1.2.so.17
---Type <return> to continue, or q <return> to quit---
#5  0x00007fd306468645 in g_thread_proxy (data=0x22aba30)
    at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
#6  0x00007fd305eebe9a in start_thread (arg=0x7fd2f93d9700) at pthread_create.c:308
#7  0x00007fd305c18cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fd2df41e700 (LWP 478)):
#0  0x00007fd305c0d303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>,
    timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd306444d84 in g_main_context_poll (n_fds=1, fds=0x7fd2d8031730, timeout=-1,
    context=0x7fd2e400e070, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
#2  g_main_context_iterate (context=0x7fd2e400e070, block=block@entry=1,
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
#3  0x00007fd3064451e2 in g_main_loop_run (loop=0x7fd2e400cdc0)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
#4  0x00007fd306f2d39c in ?? () from /usr/lib/libedataserver-1.2.so.17
#5  0x00007fd306468645 in g_thread_proxy (data=0x7fd2e400d050)
    at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
#6  0x00007fd305eebe9a in start_thread (arg=0x7fd2df41e700) at pthread_create.c:308
#7  0x00007fd305c18cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd3094fc940 (LWP 471)):
#0  0x00007fd30671cc13 in g_signal_emit_valist (instance=0x8ce12a0,
    signal_id=<optimized out>, detail=2511, var_args=var_args@entry=0x7fff7d4c6c18)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3140
#1  0x00007fd30671d642 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>,
    detail=<optimized out>) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
#2  0x00007fd306708af5 in g_object_dispatch_properties_changed (object=0x8ce12a0,
    n_pspecs=147722912, pspecs=0x24984b0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1041
#3  0x00007fd30670a3db in g_object_notify_by_spec_internal (pspec=0x2497d90, object=0x8ce12a0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1135
#4  g_object_notify (object=object@entry=0x8ce12a0,
    property_name=property_name@entry=0x7fd307a03dec "individual")
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1177
#5  0x00007fd3079f0cf0 in folks_persona_set_individual (self=self@entry=0x8ce12a0,
    value=value@entry=0x4de0c000) at persona.c:817
#6  0x00007fd3079e2da3 in _folks_individual_connect_to_persona (persona=0x8ce12a0,
    self=0x4de0c000) at individual.c:4962
#7  _folks_individual_set_personas (self=self@entry=0x4de0c000, personas=0x4de10640,
    replacement_individual=replacement_individual@entry=0x0) at individual.c:7365
#8  0x00007fd3079e44e0 in folks_individual_set_personas (self=0x4de0c000,
    value=<optimized out>) at individual.c:8964
#9  0x00007fd30670aa6c in object_set_property (nqueue=0xbd1fc70, value=0x524d04f8,
    pspec=0xc2d24a0, object=0x4de0c000)
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1357
#10 g_object_newv (object_type=1, object_type@entry=36423344,
---Type <return> to continue, or q <return> to quit---
    n_parameters=n_parameters@entry=1, parameters=parameters@entry=0x524d04f0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1750
#11 0x00007fd30670b040 in g_object_new_valist (object_type=object_type@entry=36423344,
    first_property_name=first_property_name@entry=0x7fd307a044e4 "personas",
    var_args=var_args@entry=0x7fff7d4c7008)
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1835
#12 0x00007fd30670b374 in g_object_new (object_type=36423344,
    first_property_name=first_property_name@entry=0x7fd307a044e4 "personas")
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1550
#13 0x00007fd3079e1393 in folks_individual_construct (object_type=<optimized out>,
    personas=personas@entry=0x4de10640) at individual.c:2841
#14 0x00007fd3079e4d85 in folks_individual_new (personas=personas@entry=0x4de10640)
    at individual.c:2847
#15 0x00007fd3079e852f in _folks_individual_aggregator_add_personas (
    self=self@entry=0x21b5860, added=added@entry=0xbd236d0, user=user@entry=0x7fff7d4c7218,
    individuals_changes=individuals_changes@entry=0x7fff7d4c7210)
    at individual-aggregator.c:3873
#16 0x00007fd3079e94ff in _folks_individual_aggregator_personas_changed_cb (self=0x21b5860,
    store=<optimized out>, added=0xbd236d0, removed=0xbd1a710, reason=<optimized out>,
    actor=<optimized out>, message=<optimized out>) at individual-aggregator.c:4943
#17 0x00007fd3079f1633 in g_cclosure_user_marshal_VOID__OBJECT_OBJECT_STRING_OBJECT_ENUM (
    closure=<optimized out>, return_value=<optimized out>, n_param_values=<optimized out>,
    param_values=0x7fff7d4c7490, invocation_hint=<optimized out>,
    marshal_data=<optimized out>) at persona-store.c:757
#18 0x00007fd306704140 in g_closure_invoke (closure=0x2414c50, return_value=0x0,
    n_param_values=6, param_values=0x7fff7d4c7490, invocation_hint=0x7fff7d4c7430)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:777
#19 0x00007fd306715550 in signal_emit_unlocked_R (node=node@entry=0x23a3700,
    detail=detail@entry=0, instance=instance@entry=0x22bd500,
    emission_return=emission_return@entry=0x0,
    instance_and_params=instance_and_params@entry=0x7fff7d4c7490)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3551
#20 0x00007fd30671d4af in g_signal_emit_valist (instance=instance@entry=0x22bd500,
    signal_id=signal_id@entry=343, detail=detail@entry=0,
    var_args=var_args@entry=0x7fff7d4c7798)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3300
#21 0x00007fd30671db50 in g_signal_emit_by_name (instance=instance@entry=0x22bd500,
    detailed_signal=detailed_signal@entry=0x7fd3079ffebc "personas-changed")
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3393
#22 0x00007fd3079f19e7 in _folks_persona_store_emit_personas_changed (self=0x22bd500,
    added=<optimized out>, removed=<optimized out>, message=0x0, actor=0x0,
    reason=FOLKS_GROUP_DETAILS_CHANGE_REASON_NONE) at persona-store.c:445
#23 0x00007fd307c2c863 in ?? () from /usr/lib/libfolks-eds.so.25
#24 0x00007fd3067072de in g_cclosure_marshal_VOID__BOXEDv (closure=0x23d6e50,
    return_value=<optimized out>, instance=0x7fd2f4007700, args=<optimized out>,
    marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x23d45c0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gmarshal.c:1160
#25 0x00007fd306704407 in _g_closure_invoke_va (closure=0x23d6e50, return_value=0x0,
    instance=0x7fd2f4007700, args=0x7fff7d4c7c78, n_params=1, param_types=0x23d45c0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:840
---Type <return> to continue, or q <return> to quit---
#26 0x00007fd30671cdf6 in g_signal_emit_valist (instance=0x7fd2f4007700,
    signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff7d4c7c78)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3211
#27 0x00007fd30671d642 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>,
    detail=<optimized out>) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
#28 0x00007fd3020d65a0 in ?? () from /usr/lib/libebook-1.2.so.14
#29 0x00007fd306704140 in g_closure_invoke (closure=0x23d6cb0, return_value=0x0,
    n_param_values=2, param_values=0x7fff7d4c7f40, invocation_hint=0x7fff7d4c7ee0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:777
#30 0x00007fd306715550 in signal_emit_unlocked_R (node=node@entry=0x241eab0,
    detail=detail@entry=0, instance=instance@entry=0x21add20,
    emission_return=emission_return@entry=0x0,
    instance_and_params=instance_and_params@entry=0x7fff7d4c7f40)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3551
#31 0x00007fd30671d4af in g_signal_emit_valist (instance=0x21add20,
    signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff7d4c8198)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3300
#32 0x00007fd30671d642 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>,
    detail=<optimized out>) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
#33 0x00007fd306f13fee in e_gdbus_proxy_emit_signal () from /usr/lib/libedataserver-1.2.so.17
#34 0x00007fd300a19bb8 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
#35 0x00007fd300a195c0 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
#36 0x00007fd306704a9b in g_cclosure_marshal_generic (closure=0x21b86f0, return_gvalue=0x0,
    n_param_values=<optimized out>, param_values=<optimized out>,
    invocation_hint=<optimized out>, marshal_data=0x7fd3020f0e80)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:1454
#37 0x00007fd306704140 in g_closure_invoke (closure=0x21b86f0, return_value=0x0,
    n_param_values=4, param_values=0x7fff7d4c8730, invocation_hint=0x7fff7d4c86d0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:777
#38 0x00007fd3067152d0 in signal_emit_unlocked_R (node=node@entry=0x21b8720,
    detail=detail@entry=0, instance=instance@entry=0x21add20,
    emission_return=emission_return@entry=0x0,
    instance_and_params=instance_and_params@entry=0x7fff7d4c8730)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3589
#39 0x00007fd30671d4af in g_signal_emit_valist (instance=0x21add20,
    signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff7d4c89b8)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3300
#40 0x00007fd30671d642 in g_signal_emit (instance=instance@entry=0x21add20,
    signal_id=<optimized out>, detail=detail@entry=0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
#41 0x00007fd306c5aa84 in on_signal_received (connection=<optimized out>,
    sender_name=0x7fd2f4aa6590 ":1.68", object_path=<optimized out>,
    interface_name=<optimized out>, signal_name=0x7fd2f4a988d0 "complete",
    parameters=0x7fd2f4aa6a00, user_data=0x240cb00)
    at /build/buildd/glib2.0-2.34.0/./gio/gdbusproxy.c:927
#42 0x00007fd306c4a705 in emit_signal_instance_in_idle_cb (data=0x7fd2f4aa0e70)
    at /build/buildd/glib2.0-2.34.0/./gio/gdbusconnection.c:3715
#43 0x00007fd306444ab5 in g_main_dispatch (context=0x2161170)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:2715
#44 g_main_context_dispatch (context=context@entry=0x2161170)
---Type <return> to continue, or q <return> to quit---
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3219
#45 0x00007fd306444de8 in g_main_context_iterate (context=context@entry=0x2161170,
    block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3290
#46 0x00007fd306444ea4 in g_main_context_iteration (context=0x2161170, context@entry=0x0,
    may_block=may_block@entry=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
#47 0x00007fd306c2c69c in g_application_run (application=0x22ae050, argc=<optimized out>,
    argv=0x7fff7d4c8d48) at /build/buildd/glib2.0-2.34.0/./gio/gapplication.c:1620
#48 0x000000000045da45 in _vala_main ()
#49 0x00007fd305b4676d in __libc_start_main (main=0x41b210 <main>, argc=1,
    ubp_av=0x7fff7d4c8d48, init=<optimized out>, fini=<optimized out>,
    rtld_fini=<optimized out>, stack_end=0x7fff7d4c8d38) at libc-start.c:226
#50 0x000000000041b259 in _start ()

BACKTRACE THREE
================================================================================

Thread 5 (Thread 0x7fd2fbad5700 (LWP 474)):
#0  0x00007fd305c0d303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>,
    timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd306444d84 in g_main_context_poll (n_fds=3, fds=0x7fd2f40010e0, timeout=-1,
    context=0x2165c40, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
#2  g_main_context_iterate (context=0x2165c40, block=block@entry=1,
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
#3  0x00007fd3064451e2 in g_main_loop_run (loop=0x2165bd0)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
#4  0x00007fd306c5e3b6 in gdbus_shared_thread_func (user_data=0x2165c10)
    at /build/buildd/glib2.0-2.34.0/./gio/gdbusprivate.c:277
#5  0x00007fd306468645 in g_thread_proxy (data=0x21af990)
    at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
#6  0x00007fd305eebe9a in start_thread (arg=0x7fd2fbad5700) at pthread_create.c:308
#7  0x00007fd305c18cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fd2f9bda700 (LWP 475)):
#0  0x00007fd305c0d303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>,
    timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd306444d84 in g_main_context_poll (n_fds=1, fds=0x7fd2ec0010c0, timeout=-1,
    context=0x229ad90, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
#2  g_main_context_iterate (context=context@entry=0x229ad90, block=block@entry=1,
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
#3  0x00007fd306444ea4 in g_main_context_iteration (context=0x229ad90, may_block=1)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
#4  0x00007fd2f9be14ad in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#5  0x00007fd306468645 in g_thread_proxy (data=0x22989e0)
    at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
#6  0x00007fd305eebe9a in start_thread (arg=0x7fd2f9bda700) at pthread_create.c:308
#7  0x00007fd305c18cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fd2f93d9700 (LWP 476)):
#0  0x00007fd305c0d303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>,
    timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd306444d84 in g_main_context_poll (n_fds=1, fds=0x7fd2f0068520, timeout=-1,
    context=0x22ad340, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
#2  g_main_context_iterate (context=0x22ad340, block=block@entry=1,
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
#3  0x00007fd3064451e2 in g_main_loop_run (loop=0x22af100)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
#4  0x00007fd306f2d39c in ?? () from /usr/lib/libedataserver-1.2.so.17
---Type <return> to continue, or q <return> to quit---
#5  0x00007fd306468645 in g_thread_proxy (data=0x22aba30)
    at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
#6  0x00007fd305eebe9a in start_thread (arg=0x7fd2f93d9700) at pthread_create.c:308
#7  0x00007fd305c18cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fd2df41e700 (LWP 478)):
#0  0x00007fd305c0d303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>,
    timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd306444d84 in g_main_context_poll (n_fds=1, fds=0x7fd2d8031730, timeout=-1,
    context=0x7fd2e400e070, priority=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
#2  g_main_context_iterate (context=0x7fd2e400e070, block=block@entry=1,
    dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
#3  0x00007fd3064451e2 in g_main_loop_run (loop=0x7fd2e400cdc0)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
#4  0x00007fd306f2d39c in ?? () from /usr/lib/libedataserver-1.2.so.17
#5  0x00007fd306468645 in g_thread_proxy (data=0x7fd2e400d050)
    at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
#6  0x00007fd305eebe9a in start_thread (arg=0x7fd2df41e700) at pthread_create.c:308
#7  0x00007fd305c18cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd3094fc940 (LWP 471)):
#0  0x00007fd30671cc13 in g_signal_emit_valist (instance=0x93f6930,
    signal_id=<optimized out>, detail=2511, var_args=var_args@entry=0x7fff7d4c6c18)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3140
#1  0x00007fd30671d642 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>,
    detail=<optimized out>) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
#2  0x00007fd306708af5 in g_object_dispatch_properties_changed (object=0x93f6930,
    n_pspecs=155150640, pspecs=0x24984b0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1041
#3  0x00007fd30670a3db in g_object_notify_by_spec_internal (pspec=0x2497d90, object=0x93f6930)
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1135
#4  g_object_notify (object=object@entry=0x93f6930,
    property_name=property_name@entry=0x7fd307a03dec "individual")
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1177
#5  0x00007fd3079f0cf0 in folks_persona_set_individual (self=self@entry=0x93f6930,
    value=value@entry=0x4de0c000) at persona.c:817
#6  0x00007fd3079e2da3 in _folks_individual_connect_to_persona (persona=0x93f6930,
    self=0x4de0c000) at individual.c:4962
#7  _folks_individual_set_personas (self=self@entry=0x4de0c000, personas=0x5743bec0,
    replacement_individual=replacement_individual@entry=0x0) at individual.c:7365
#8  0x00007fd3079e44e0 in folks_individual_set_personas (self=0x4de0c000,
    value=<optimized out>) at individual.c:8964
#9  0x00007fd30670aa6c in object_set_property (nqueue=0xbcd7d80, value=0x584e7808,
    pspec=0xc2d24a0, object=0x4de0c000)
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1357
#10 g_object_newv (object_type=1, object_type@entry=36423344,
---Type <return> to continue, or q <return> to quit---
    n_parameters=n_parameters@entry=1, parameters=parameters@entry=0x584e7800)
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1750
#11 0x00007fd30670b040 in g_object_new_valist (object_type=object_type@entry=36423344,
    first_property_name=first_property_name@entry=0x7fd307a044e4 "personas",
    var_args=var_args@entry=0x7fff7d4c7008)
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1835
#12 0x00007fd30670b374 in g_object_new (object_type=36423344,
    first_property_name=first_property_name@entry=0x7fd307a044e4 "personas")
    at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1550
#13 0x00007fd3079e1393 in folks_individual_construct (object_type=<optimized out>,
    personas=personas@entry=0x5743bec0) at individual.c:2841
#14 0x00007fd3079e4d85 in folks_individual_new (personas=personas@entry=0x5743bec0)
    at individual.c:2847
#15 0x00007fd3079e852f in _folks_individual_aggregator_add_personas (
    self=self@entry=0x21b5860, added=added@entry=0xbd236d0, user=user@entry=0x7fff7d4c7218,
    individuals_changes=individuals_changes@entry=0x7fff7d4c7210)
    at individual-aggregator.c:3873
#16 0x00007fd3079e94ff in _folks_individual_aggregator_personas_changed_cb (self=0x21b5860,
    store=<optimized out>, added=0xbd236d0, removed=0xbd1a710, reason=<optimized out>,
    actor=<optimized out>, message=<optimized out>) at individual-aggregator.c:4943
#17 0x00007fd3079f1633 in g_cclosure_user_marshal_VOID__OBJECT_OBJECT_STRING_OBJECT_ENUM (
    closure=<optimized out>, return_value=<optimized out>, n_param_values=<optimized out>,
    param_values=0x7fff7d4c7490, invocation_hint=<optimized out>,
    marshal_data=<optimized out>) at persona-store.c:757
#18 0x00007fd306704140 in g_closure_invoke (closure=0x2414c50, return_value=0x0,
    n_param_values=6, param_values=0x7fff7d4c7490, invocation_hint=0x7fff7d4c7430)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:777
#19 0x00007fd306715550 in signal_emit_unlocked_R (node=node@entry=0x23a3700,
    detail=detail@entry=0, instance=instance@entry=0x22bd500,
    emission_return=emission_return@entry=0x0,
    instance_and_params=instance_and_params@entry=0x7fff7d4c7490)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3551
#20 0x00007fd30671d4af in g_signal_emit_valist (instance=instance@entry=0x22bd500,
    signal_id=signal_id@entry=343, detail=detail@entry=0,
    var_args=var_args@entry=0x7fff7d4c7798)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3300
#21 0x00007fd30671db50 in g_signal_emit_by_name (instance=instance@entry=0x22bd500,
    detailed_signal=detailed_signal@entry=0x7fd3079ffebc "personas-changed")
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3393
#22 0x00007fd3079f19e7 in _folks_persona_store_emit_personas_changed (self=0x22bd500,
    added=<optimized out>, removed=<optimized out>, message=0x0, actor=0x0,
    reason=FOLKS_GROUP_DETAILS_CHANGE_REASON_NONE) at persona-store.c:445
#23 0x00007fd307c2c863 in ?? () from /usr/lib/libfolks-eds.so.25
#24 0x00007fd3067072de in g_cclosure_marshal_VOID__BOXEDv (closure=0x23d6e50,
    return_value=<optimized out>, instance=0x7fd2f4007700, args=<optimized out>,
    marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x23d45c0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gmarshal.c:1160
#25 0x00007fd306704407 in _g_closure_invoke_va (closure=0x23d6e50, return_value=0x0,
    instance=0x7fd2f4007700, args=0x7fff7d4c7c78, n_params=1, param_types=0x23d45c0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:840
---Type <return> to continue, or q <return> to quit---
#26 0x00007fd30671cdf6 in g_signal_emit_valist (instance=0x7fd2f4007700,
    signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff7d4c7c78)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3211
#27 0x00007fd30671d642 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>,
    detail=<optimized out>) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
#28 0x00007fd3020d65a0 in ?? () from /usr/lib/libebook-1.2.so.14
#29 0x00007fd306704140 in g_closure_invoke (closure=0x23d6cb0, return_value=0x0,
    n_param_values=2, param_values=0x7fff7d4c7f40, invocation_hint=0x7fff7d4c7ee0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:777
#30 0x00007fd306715550 in signal_emit_unlocked_R (node=node@entry=0x241eab0,
    detail=detail@entry=0, instance=instance@entry=0x21add20,
    emission_return=emission_return@entry=0x0,
    instance_and_params=instance_and_params@entry=0x7fff7d4c7f40)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3551
#31 0x00007fd30671d4af in g_signal_emit_valist (instance=0x21add20,
    signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff7d4c8198)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3300
#32 0x00007fd30671d642 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>,
    detail=<optimized out>) at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
#33 0x00007fd306f13fee in e_gdbus_proxy_emit_signal () from /usr/lib/libedataserver-1.2.so.17
#34 0x00007fd300a19bb8 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
#35 0x00007fd300a195c0 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
#36 0x00007fd306704a9b in g_cclosure_marshal_generic (closure=0x21b86f0, return_gvalue=0x0,
    n_param_values=<optimized out>, param_values=<optimized out>,
    invocation_hint=<optimized out>, marshal_data=0x7fd3020f0e80)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:1454
#37 0x00007fd306704140 in g_closure_invoke (closure=0x21b86f0, return_value=0x0,
    n_param_values=4, param_values=0x7fff7d4c8730, invocation_hint=0x7fff7d4c86d0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gclosure.c:777
#38 0x00007fd3067152d0 in signal_emit_unlocked_R (node=node@entry=0x21b8720,
    detail=detail@entry=0, instance=instance@entry=0x21add20,
    emission_return=emission_return@entry=0x0,
    instance_and_params=instance_and_params@entry=0x7fff7d4c8730)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3589
#39 0x00007fd30671d4af in g_signal_emit_valist (instance=0x21add20,
    signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff7d4c89b8)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3300
#40 0x00007fd30671d642 in g_signal_emit (instance=instance@entry=0x21add20,
    signal_id=<optimized out>, detail=detail@entry=0)
    at /build/buildd/glib2.0-2.34.0/./gobject/gsignal.c:3356
#41 0x00007fd306c5aa84 in on_signal_received (connection=<optimized out>,
    sender_name=0x7fd2f4aa6590 ":1.68", object_path=<optimized out>,
    interface_name=<optimized out>, signal_name=0x7fd2f4a988d0 "complete",
    parameters=0x7fd2f4aa6a00, user_data=0x240cb00)
    at /build/buildd/glib2.0-2.34.0/./gio/gdbusproxy.c:927
#42 0x00007fd306c4a705 in emit_signal_instance_in_idle_cb (data=0x7fd2f4aa0e70)
    at /build/buildd/glib2.0-2.34.0/./gio/gdbusconnection.c:3715
#43 0x00007fd306444ab5 in g_main_dispatch (context=0x2161170)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:2715
#44 g_main_context_dispatch (context=context@entry=0x2161170)
---Type <return> to continue, or q <return> to quit---
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3219
#45 0x00007fd306444de8 in g_main_context_iterate (context=context@entry=0x2161170,
    block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3290
#46 0x00007fd306444ea4 in g_main_context_iteration (context=0x2161170, context@entry=0x0,
    may_block=may_block@entry=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
#47 0x00007fd306c2c69c in g_application_run (application=0x22ae050, argc=<optimized out>,
    argv=0x7fff7d4c8d48) at /build/buildd/glib2.0-2.34.0/./gio/gapplication.c:1620
#48 0x000000000045da45 in _vala_main ()
#49 0x00007fd305b4676d in __libc_start_main (main=0x41b210 <main>, argc=1,
    ubp_av=0x7fff7d4c8d48, init=<optimized out>, fini=<optimized out>,
    rtld_fini=<optimized out>, stack_end=0x7fff7d4c8d38) at libc-start.c:226
#50 0x000000000041b259 in _start ()