.
Thread 1 (LWP 23463):
#0  data (this=0x8) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:134
No locals.
#1  qGetPtrHelper<QScopedPointer<QObjectData> > (p=...) at ../../include/QtCore/../../src/corelib/global/qglobal.h:991
No locals.
#2  d_func (this=0x0) at qdbusabstractinterface.h:158
No locals.
#3  QDBusAbstractInterface::asyncCallWithArgumentList (this=0x0, method=..., args=...) at qdbusabstractinterface.cpp:493
        msg = {d_ptr = 0x0}
#4  0x000000000040b4e7 in Xprop (xprop=..., this=0x0) at /build/buildd/hud-13.10.1+13.10.20131014/obj-x86_64-linux-gnu/window-stack-bridge/BamfViewInterface.h:247
        argumentList = {{p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0x237b7e0}, d = 0x237b7e0}}
#5  BamfWindow::xProp (this=0x0, property=...) at /build/buildd/hud-13.10.1+13.10.20131014/window-stack-bridge/BamfWindowStack.cpp:92
        propertyReply = {<QDBusPendingReplyData> = {<QDBusPendingCall> = {d = {d = 0x7f1700000001}}, <No data fields>}, <No data fields>}
        __PRETTY_FUNCTION__ = "const QString BamfWindow::xProp(const QString&)"
#6  0x000000000040bd57 in BamfWindowStack::GetWindowProperties (this=0x7fff8e81adf0, windowId=52428810, appId=..., names=...) at /build/buildd/hud-13.10.1+13.10.20131014/window-stack-bridge/BamfWindowStack.cpp:198
        name = @0x237eae0: {static null = {<No data fields>}, d = 0x23860a0}
        __for_range = <optimized out>
        result = {<QList<QString>> = {{p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0x7f1784b351f0 <QListData::shared_null>}, d = 0x7f1784b351f0 <QListData::shared_null>}}, <No data fields>}
#7  0x0000000000418a57 in WindowStackAdaptor::GetWindowProperties (this=this@entry=0x2378ba0, window_id=<optimized out>, app_id=..., property_names=...) at /build/buildd/hud-13.10.1+13.10.20131014/obj-x86_64-linux-gnu/window-stack-bridge/WindowStackAdaptor.cpp:45
No locals.
#8  0x0000000000418aee in WindowStackAdaptor::qt_static_metacall (_o=_o@entry=0x2378ba0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=4, _a=_a@entry=0x7fff8e81a6f0) at /build/buildd/hud-13.10.1+13.10.20131014/obj-x86_64-linux-gnu/window-stack-bridge/WindowStackAdaptor.moc:131
        _r = {<QList<QString>> = {{p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0x7f1784b351f0 <QListData::shared_null>}, d = 0x7f1784b351f0 <QListData::shared_null>}}, <No data fields>}
        _t = 0x2378ba0
#9  0x0000000000418f03 in WindowStackAdaptor::qt_metacall (this=0x2378ba0, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x7fff8e81a6f0) at /build/buildd/hud-13.10.1+13.10.20131014/obj-x86_64-linux-gnu/window-stack-bridge/WindowStackAdaptor.moc:187
No locals.
#10 0x00007f178464c0df in QDBusConnectionPrivate::deliverCall (this=this@entry=0x236adf0, object=object@entry=0x2378ba0, msg=..., metaTypes=..., slotIdx=9) at qdbusintegrator.cpp:952
        context = {connection = {static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x7f178468e300 <qt_meta_stringdata_QDBusConnection>, data = 0x7f178468e1c0 <qt_meta_data_QDBusConnection>, static_metacall = 0x0, relatedMetaObjects = 0x0, extradata = 0x0}}, d = 0x236adf0}, message = @0x2380868}
        old = 0x0
        ptr = {<QPointerBase> = {wp = {d = 0x237c680, value = <optimized out>}}, <No data fields>}
        params = {a = 10, s = 4, ptr = 0x7fff8e81a6f0, {array = "\360E8\002\000\000\000\000\260%8\002\000\000\000\000\220C8\002\000\000\000\000\000'8\002", '\000' <repeats 20 times>, "\031\000\000\000\000\000\000\000VZ\222\204\027\177\000\000\021\001\000\000\000\000\000\000\360\247\201\216\377\177\000", q_for_alignment_1 = 37242352, q_for_alignment_2 = 1.840016669352704e-316}}
        i = <optimized out>
        __PRETTY_FUNCTION__ = "void QDBusConnectionPrivate::deliverCall(QObject*, int, const QDBusMessage&, const QVector<int>&, int)"
        outputArgs = {{p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0x2381d20}, d = 0x2381d20}}
        fail = <optimized out>
        auxParameters = {{p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0x7f1784b351f0 <QListData::shared_null>}, d = 0x7f1784b351f0 <QListData::shared_null>}}
        null = 0x0
#11 0x00007f178464d054 in QDBusConnectionPrivate::activateCall (this=this@entry=0x236adf0, object=0x2378ba0, flags=flags@entry=273, msg=...) at qdbusintegrator.cpp:864
        cacheIt = {i = 0x237e650}
        cachePropertyName = "_qdbus_slotCache"
        slotCache = {hash = {<QHash<QString, QDBusSlotCache::Data>> = {{d = 0x237d530, e = 0x237d530}}, <No data fields>}}
        cacheKey = {static null = {<No data fields>}, d = 0x2388550}
        signature = {static null = {<No data fields>}, d = 0x237cb50}
#12 0x00007f178464dca3 in QDBusConnectionPrivate::activateObject (this=0x236adf0, node=..., msg=..., pathStartPos=<optimized out>) at qdbusintegrator.cpp:1428
        it = 0x237a728
        newflags = <optimized out>
        connector = 0x2378990
#13 0x00007f178464dd2e in QDBusActivateObjectEvent::placeMetaCall (this=0x23807e0) at qdbusintegrator.cpp:1542
No locals.
#14 0x00007f1784ac819e in QObject::event (this=0x7fff8e81adf0, e=<optimized out>) at kernel/qobject.cpp:1070
        mce = <optimized out>
        sw = {receiver = 0x7fff8e81adf0, previousSender = 0x0, currentSender = {sender = 0x236adf0, signal = -1, ref = 1}, switched = true}
#15 0x00007f1784aa2f8d in QCoreApplication::notify (this=<optimized out>, receiver=<optimized out>, event=<optimized out>) at kernel/qcoreapplication.cpp:829
        d = <optimized out>
#16 0x00007f1784aa2cbd in QCoreApplication::notifyInternal (this=0x7fff8e81ade0, receiver=0x7fff8e81adf0, event=event@entry=0x23807e0) at kernel/qcoreapplication.cpp:767
        threadData = 0x23662d0
        loopLevelCounter = {threadData = 0x23662d0}
        result = false
        cbdata = {0x7fff8e81adf0, 0x23807e0, 0x7fff8e81aa9f}
        d = <optimized out>
#17 0x00007f1784aa4497 in sendEvent (event=0x23807e0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:203
No locals.
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x23662d0) at kernel/qcoreapplication.cpp:1368
        e = {d = 0x23807e0}
        pe = <optimized out>
        r = <optimized out>
        unlocker = {m = <synthetic pointer>}
        __PRETTY_FUNCTION__ = "static void QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)"
        locker = {val = 37118744}
        startOffset = 0
        i = @0x236630c: 2
        cleanup = {receiver = 0x0, event_type = 0, data = 0x23662d0, exceptionCaught = true}
#19 0x00007f1784ae7e43 in postEventSourceDispatch (s=0x236a070) at kernel/qeventdispatcher_glib.cpp:278
        source = 0x236a070
#20 0x00007f1782d203b6 in ?? ()
No symbol table info available.
#21 0x00007fff8e81abb8 in ?? ()
No symbol table info available.
#22 0x00007fff8e81abd0 in ?? ()
No symbol table info available.
#23 0x00007f1784ae7e30 in ?? () at kernel/qeventdispatcher_glib.cpp:354 from /tmp/apport_sandbox_wlFFiF/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
        idleTimerSourceFuncs = {prepare = 0x7f1784ae78e0 <idleTimerSourcePrepare(GSource*, gint*)>, check = 0x7f1784ae7de0 <idleTimerSourceCheck(GSource*)>, dispatch = 0x7f1784ae7810 <idleTimerSourceDispatch(GSource*, GSourceFunc, gpointer)>, finalize = 0x0, closure_callback = 0x0, closure_marshal = 0x0}
        socketNotifierSourceFuncs = {prepare = 0x7f1784ae77b0 <socketNotifierSourcePrepare(GSource*, gint*)>, check = 0x7f1784ae7950 <socketNotifierSourceCheck(GSource*)>, dispatch = 0x7f1784ae8580 <socketNotifierSourceDispatch(GSource*, GSourceFunc, gpointer)>, finalize = 0x0, closure_callback = 0x0, closure_marshal = 0x0}
        timerSourceFuncs = {prepare = 0x7f1784ae7910 <timerSourcePrepare(GSource*, gint*)>, check = 0x7f1784ae7e00 <timerSourceCheck(GSource*)>, dispatch = 0x7f1784ae77e0 <timerSourceDispatch(GSource*, GSourceFunc, gpointer)>, finalize = 0x0, closure_callback = 0x0, closure_marshal = 0x0}
        postEventSourceFuncs = {prepare = 0x7f1784ae7a30 <postEventSourcePrepare(GSource*, gint*)>, check = 0x7f1784ae7aa0 <postEventSourceCheck(GSource*)>, dispatch = 0x7f1784ae7e30 <postEventSourceDispatch(GSource*, GSourceFunc, gpointer)>, finalize = 0x0, closure_callback = 0x0, closure_marshal = 0x0}
#24 0x0000000082d200e8 in ?? ()
No symbol table info available.
#25 0x00007fff8e81abc0 in ?? ()
No symbol table info available.
#26 0x00007fff8e81abc8 in ?? ()
No symbol table info available.
#27 0x0000000000000000 in ?? ()
No symbol table info available.