.
Thread 2 (Thread 0x7f315d045700 (LWP 2332)):
#0  0x00007f316a0b1298 in g_once_init_enter (value_location=0x7f316a389460) at /build/buildd/glib2.0-2.29.90/./glib/gthread.h:347
No locals.
#1  g_socket_connection_get_type () at /build/buildd/glib2.0-2.29.90/./gio/gsocketconnection.c:63
        g_define_type_id__volatile = 10133072
#2  0x00007f316a0b14c6 in g_socket_connection_dispose (object=0x9a70c0) at /build/buildd/glib2.0-2.29.90/./gio/gsocketconnection.c:223
        connection = <optimized out>
#3  0x00007f316d322d62 in g_object_unref (_object=0x9a70c0) at /build/buildd/glib2.0-2.29.90/./gobject/gobject.c:2709
        __PRETTY_FUNCTION__ = "g_object_unref"
#4  0x00007f316a0a912a in g_simple_async_result_finalize (object=0x9b32a0) at /build/buildd/glib2.0-2.29.90/./gio/gsimpleasyncresult.c:269
        simple = 0x9b32a0
#5  0x00007f316d322de0 in g_object_unref (_object=0x9b32a0) at /build/buildd/glib2.0-2.29.90/./gobject/gobject.c:2746
        __PRETTY_FUNCTION__ = "g_object_unref"
#6  0x00007f316dc7b63e in g_source_callback_unref (cb_data=0x7f3158000b00) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:1324
No locals.
#7  g_source_callback_unref (cb_data=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:1316
        callback = 0x7f3158000b00
#8  0x00007f316dc7af76 in g_source_destroy_internal (source=0x7f31580012c0, context=0x999670, have_lock=1) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:993
        tmp_list = <optimized out>
        old_cb_data = 0x7f3158000b00
        old_cb_funcs = 0x7f316df2e670
#9  0x00007f316dc7ebe3 in g_main_dispatch (context=0x999670) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:2466
        dispatch = 0x7f3100000000
        was_in_call = <optimized out>
        user_data = 0x9b32a0
        callback = 0x7f316a0aa000 <complete_in_idle_cb>
        cb_funcs = <optimized out>
        cb_data = 0x7f3158000b00
        current_source_link = {data = 0x7f31580012c0, next = 0x0}
        need_destroy = 1
        source = 0x7f31580012c0
        current = 0x9a6960
        i = <optimized out>
#10 g_main_context_dispatch (context=0x999670) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3011
No locals.
#11 0x00007f316dc7f368 in g_main_context_iterate (context=0x999670, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3089
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = 3
        allocated_nfds = <optimized out>
        fds = <optimized out>
#12 0x00007f316dc7f8a2 in g_main_loop_run (loop=0x999620) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#13 0x00007f316a1057b6 in gdbus_shared_thread_func (user_data=0x999640) at /build/buildd/glib2.0-2.29.90/./gio/gdbusprivate.c:276
        data = 0x999640
#14 0x00007f316dca4626 in g_thread_create_proxy (data=0x9ac0f0) at /build/buildd/glib2.0-2.29.90/./glib/gthread.c:1962
        thread = 0x9ac0f0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#15 0x00007f316e150edc in start_thread (arg=0x7f315d045700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f315d045700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -3115282444112136106, 139849999078752, 139849990691264, 0, 3, 3073408880299964502, 3073310050738731094}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#16 0x00007f316e67d89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#17 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f31706c3dc0 (LWP 2273)):
#0  0x00007f315fa5d0e3 in MenuBarWidget::onEntryRemoved (this=0x996690, entry_id=...) at /build/buildd/unity-2d-4.8.0/panel/applets/appname/menubarwidget.cpp:112
        widget = 0x9c0380
        _container_ = {c = {{p = {static shared_null = {ref = {_q_value = 1}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0x9c7830}, d = 0x9c7830}}, brk = 0, i = {i = 0x375378908}, e = {i = 0xa071d0}}
#1  0x00007f316862073d in emit (_A_a1=..., impl=<optimized out>) at /usr/include/sigc++-2.0/sigc++/signal.h:1010
        it = <optimized out>
        exec = {sig_ = 0x9cd970}
        slots = {slots_ = @0x9cd978, placeholder = {_M_node = 0x9cd940}}
#2  emit (_A_a1=..., this=<optimized out>) at /usr/include/sigc++-2.0/sigc++/signal.h:2781
No locals.
#3  operator() (_A_a1=..., this=0x9c0398) at /usr/include/sigc++-2.0/sigc++/signal.h:2789
No locals.
#4  unity::indicator::Indicator::~Indicator (this=0x9c0380, __in_chrg=<optimized out>) at /build/buildd/unity-4.16.0/UnityCore/Indicator.cpp:39
        entry = {px = 0xa13ba0, pn = {pi_ = 0x9647b0}}
        __for_range = @0x9c03d8
#5  0x00007f31686251f2 in checked_delete<unity::indicator::Indicator> (x=0x9c0380) at /usr/include/boost/checked_delete.hpp:34
No locals.
#6  boost::detail::sp_counted_impl_p<unity::indicator::Indicator>::dispose (this=<optimized out>) at /usr/include/boost/smart_ptr/detail/sp_counted_impl.hpp:78
No locals.
#7  0x00007f315fa5dcb2 in release (this=0x9cca90) at /usr/include/boost/smart_ptr/detail/sp_counted_base_gcc_x86.hpp:145
No locals.
#8  ~shared_count (this=0x9966c8, __in_chrg=<optimized out>) at /usr/include/boost/smart_ptr/detail/shared_count.hpp:217
No locals.
#9  ~shared_ptr (this=0x9966c0, __in_chrg=<optimized out>) at /usr/include/boost/smart_ptr/shared_ptr.hpp:168
No locals.
#10 ~MenuBarWidget (this=0x996690, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.8.0/panel/applets/appname/menubarwidget.h:39
No locals.
#11 MenuBarWidget::~MenuBarWidget (this=0x996690, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.8.0/panel/applets/appname/menubarwidget.h:39
No locals.
#12 0x00007f316f4d7d75 in QObjectPrivate::deleteChildren (this=0x981660) at kernel/qobject.cpp:1955
        i = <optimized out>
        reallyWasDeleted = false
#13 0x00007f316fa4208a in QWidget::~QWidget (this=0x989dc0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1651
        d = 0x981660
#14 0x00007f315fa5a4a9 in AppNameApplet::~AppNameApplet (this=0x989dc0, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.8.0/panel/applets/appname/appnameapplet.cpp:211
No locals.
#15 0x00007f316f4d7d75 in QObjectPrivate::deleteChildren (this=0x985fd0) at kernel/qobject.cpp:1955
        i = <optimized out>
        reallyWasDeleted = false
#16 0x00007f316fa4208a in QWidget::~QWidget (this=0x989bb0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1651
        d = 0x985fd0
#17 0x00007f316eeb5fcc in Unity2dPanel::~Unity2dPanel (this=0x989bb0, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.8.0/libunity-2d-private/src/unity2dpanel.cpp:174
No locals.
#18 0x00007f316eeb6069 in Unity2dPanel::~Unity2dPanel (this=0x989bb0, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.8.0/libunity-2d-private/src/unity2dpanel.cpp:180
No locals.
#19 0x000000000040470e in qDeleteAll<QList<Unity2dPanel*>::const_iterator> (end=<optimized out>, begin=<optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
No locals.
#20 qDeleteAll<QList<Unity2dPanel*> > (c=...) at /usr/include/qt4/QtCore/qalgorithms.h:330
No locals.
#21 PanelManager::~PanelManager (this=0x7fff8a291d50, __in_chrg=<optimized out>) at /build/buildd/unity-2d-4.8.0/panel/app/panelmanager.cpp:131
No locals.
#22 0x0000000000403d5b in main (argc=1, argv=<optimized out>) at /build/buildd/unity-2d-4.8.0/panel/app/main.cpp:68
        handler = {<QAbstractFileEngineHandler> = {_vptr.QAbstractFileEngineHandler = 0x408870}, <No data fields>}
        app = {<QApplication> = {<QCoreApplication> = {<QObject> = {_vptr.QObject = 0x7f316f1443f0, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x7f316f5804e0 "QObject", data = 0x7f316f580580, extradata = 0x7f316f7eb4e0}}, d_ptr = {d = 0x9214b0}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x7f316f589180 "Qt", data = 0x7f316f58ca20, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x60a3c0, stringdata = 0x7f316f592a40 "QCoreApplication", data = 0x7f316f592ae0, extradata = 0x0}}, static self = 0x7fff8a291d80}, static staticMetaObject = {d = {superdata = 0x7f316f7f3a00, stringdata = 0x7f31700733e0 "QApplication", data = 0x7f3170073620, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x7f31704909c0, stringdata = 0x7f316ef18520 "Unity2dApplication", data = 0x7f316ef18540, extradata = 0x0}}, m_x11EventFilters = {{p = {static shared_null = {ref = {_q_value = 1}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0x9a5280}, d = 0x9a5280}}, m_platformFontTracker = 0x920530}
        client = {<QObject> = {_vptr.QObject = 0x7f316f143e90, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x7f316f5804e0 "QObject", data = 0x7f316f580580, extradata = 0x7f316f7eb4e0}}, d_ptr = {d = 0x96df70}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x7f316f589180 "Qt", data = 0x7f316f58ca20, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x60a3c0, stringdata = 0x7f316ef17a00 "GnomeSessionClient", data = 0x7f316ef17c20, extradata = 0x0}}, d = 0x96e010}
        panels = {<QObject> = {_vptr.QObject = 0x408e30, static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x7f316f5804e0 "QObject", data = 0x7f316f580580, extradata = 0x7f316f7eb4e0}}, d_ptr = {d = 0x9800d0}, static staticQtMetaObject = {d = {superdata = 0x0, stringdata = 0x7f316f589180 "Qt", data = 0x7f316f58ca20, extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x60a3c0, stringdata = 0x408d60 "PanelManager", data = 0x408da0, extradata = 0x0}}, m_panels = {{p = {static shared_null = {ref = {_q_value = 1}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0x982e80}, d = 0x982e80}}, m_conf = <incomplete type>}