.
Thread 1 (LWP 1603):
#0  data (this=0x4) 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 = 0xbfee9920}
#4  0x08051e29 in Xprop (xprop=..., this=0x0) at /build/buildd/hud-13.10.1+13.10.20131014/obj-i686-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 = 0x9457890}, d = 0x9457890}}
#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 = 0xbfee99b8}}, <No data fields>}, <No data fields>}
        __PRETTY_FUNCTION__ = "const QString BamfWindow::xProp(const QString&)"
#6  0x08052709 in BamfWindowStack::GetWindowProperties (this=0xbfeea0dc, windowId=75614623, appId=..., names=...) at /build/buildd/hud-13.10.1+13.10.20131014/window-stack-bridge/BamfWindowStack.cpp:198
        name = <optimized out>
        __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 = 0xb75ff464 <QListData::shared_null>}, d = 0xb75ff464 <QListData::shared_null>}}, <No data fields>}
#7  0x08060b78 in WindowStackAdaptor::GetWindowProperties (this=this@entry=0x9452da0, window_id=75614623, app_id=..., property_names=...) at /build/buildd/hud-13.10.1+13.10.20131014/obj-i686-linux-gnu/window-stack-bridge/WindowStackAdaptor.cpp:45
No locals.
#8  0x08060c3e in WindowStackAdaptor::qt_static_metacall (_o=_o@entry=0x9452da0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=4, _a=_a@entry=0xbfee9b44) at /build/buildd/hud-13.10.1+13.10.20131014/obj-i686-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 = 0xb75ff464 <QListData::shared_null>}, d = 0xb75ff464 <QListData::shared_null>}}, <No data fields>}
        _t = 0x9452da0
#9  0x08061094 in WindowStackAdaptor::qt_metacall (this=0x9452da0, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfee9b44) at /build/buildd/hud-13.10.1+13.10.20131014/obj-i686-linux-gnu/window-stack-bridge/WindowStackAdaptor.moc:187
No locals.
#10 0xb7303481 in QDBusConnectionPrivate::deliverCall (this=0x944a2c0, object=0x9452da0, msg=..., metaTypes=..., slotIdx=9) at qdbusintegrator.cpp:952
        context = {connection = {static staticMetaObject = {d = {superdata = 0x0, stringdata = 0xb7349f00 <qt_meta_stringdata_QDBusConnection>, data = 0xb7349dc0 <qt_meta_data_QDBusConnection>, static_metacall = 0x0, relatedMetaObjects = 0x0, extradata = 0x0}}, d = 0x944a2c0}, message = @0x9462518}
        old = <optimized out>
        ptr = {<QPointerBase> = {wp = {d = 0x9458120, value = <optimized out>}}, <No data fields>}
        params = {a = 10, s = 4, ptr = 0xbfee9b44, {array = "pBE\t\370\270E\t\340\203E\t\270qE\t\260\337\233\267@yE\tS\260\060\267\030\000\000\000\030nE\t\b\000\000", q_for_alignment_1 = 668143495181320816, q_for_alignment_2 = 5.3894483183566631e-264}}
        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 = 0x945fe20}, d = 0x945fe20}}
        fail = <optimized out>
        auxParameters = {{p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0xb75ff464 <QListData::shared_null>}, d = 0xb75ff464 <QListData::shared_null>}}
        null = 0x0
#11 0xb73044af in QDBusConnectionPrivate::activateCall (this=0x944a2c0, object=0x9452da0, flags=273, msg=...) at qdbusintegrator.cpp:864
        cacheIt = {i = 0x9456e10}
        cachePropertyName = "_qdbus_slotCache"
        slotCache = {hash = {<QHash<QString, QDBusSlotCache::Data>> = {{d = 0x9457fa8, e = 0x9457fa8}}, <No data fields>}}
        cacheKey = {static null = {<No data fields>}, d = 0x9457ff8}
        signature = {static null = {<No data fields>}, d = 0x945b948}
#12 0xb7304db9 in QDBusConnectionPrivate::activateObject (this=0x944a2c0, node=..., msg=..., pathStartPos=32) at qdbusintegrator.cpp:1428
        newflags = <optimized out>
        connector = <optimized out>
#13 0xb7305108 in QDBusActivateObjectEvent::placeMetaCall (this=0x94624d0) at qdbusintegrator.cpp:1542
No locals.
#14 0xb7589fa5 in QObject::event (this=0xbfeea0dc, e=0x94624d0) at kernel/qobject.cpp:1070
        mce = 0x94624d0
        sw = {receiver = 0xbfeea0dc, previousSender = 0x0, currentSender = {sender = 0x944a2c0, signal = -1, ref = 1}, switched = true}
#15 0xb7562620 in QCoreApplicationPrivate::notify_helper (this=this@entry=0x9447168, receiver=receiver@entry=0xbfeea0dc, event=event@entry=0x94624d0) at kernel/qcoreapplication.cpp:884
No locals.
#16 0xb7562684 in QCoreApplication::notify (this=0xbfeea0d4, receiver=0xbfeea0dc, event=0x94624d0) at kernel/qcoreapplication.cpp:829
        d = 0x9447168
#17 0xb756237a in QCoreApplication::notifyInternal (this=0xbfeea0d4, receiver=receiver@entry=0xbfeea0dc, event=event@entry=0x94624d0) at kernel/qcoreapplication.cpp:767
        threadData = 0x94471d0
        loopLevelCounter = {threadData = 0x94471d0}
        result = false
        cbdata = {0xbfeea0dc, 0x94624d0, 0xbfee9de3}
        d = <optimized out>
#18 0xb7563cfb in sendEvent (event=0x94624d0, receiver=0xbfeea0dc) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:203
No locals.
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x94471d0) at kernel/qcoreapplication.cpp:1368
        e = {d = 0x94624d0}
        pe = <optimized out>
        r = 0xbfeea0dc
        unlocker = {m = <synthetic pointer>}
        __PRETTY_FUNCTION__ = "static void QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)"
        locker = {val = 155480572}
        startOffset = 0
        i = @0x94471f4: 2
        cleanup = {receiver = 0x0, event_type = 0, data = 0x94471d0, exceptionCaught = true}
#20 0xb756446c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1228
        data = <optimized out>
#21 0xb75ac77e in postEventSourceDispatch (s=0x9448d90) at kernel/qeventdispatcher_glib.cpp:278
        source = 0x9448d90
#22 0xb6bf583e in ?? ()
No symbol table info available.
#23 0x09448d90 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)