Bt:

(gdb) bt full
#0  0x00000030 in ?? ()
No symbol table info available.
#1  0xb0244cc8 in QOrganizerEDSEngine::cancelRequest (this=<optimized out>, req=0x1e988b0) at /build/buildd/qtorganizer5-eds-0.1.1+14.04.20140415.1/qorganizer/qorganizer-eds-engine.cpp:981
        data = 0x1d7e5f0
#2  0xb195bc9c in QtOrganizer::QOrganizerAbstractRequest::cancel (this=0x1e988b0) at qorganizerabstractrequest.cpp:275
        ml = <optimized out>
#3  0xb0244af2 in QOrganizerEDSEngine::~QOrganizerEDSEngine (this=0x1f5ce40, __in_chrg=<optimized out>) at /build/buildd/qtorganizer5-eds-0.1.1+14.04.20140415.1/qorganizer/qorganizer-eds-engine.cpp:99
        req = <optimized out>
        _container_ = {c = {{p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0x1eae9b8}, d = 0x1eae9b8}}, brk = 0, i = {i = 0x1eae9c8}, e = {i = 0x1eae9cc}}
#4  0xb0244bc8 in QOrganizerEDSEngine::~QOrganizerEDSEngine (this=0x1f5ce40, __in_chrg=<optimized out>) at /build/buildd/qtorganizer5-eds-0.1.1+14.04.20140415.1/qorganizer/qorganizer-eds-engine.cpp:108
No locals.
#5  0xb196300a in ~QOrganizerManagerData (this=0x1f5cd28, __in_chrg=<optimized out>) at qorganizermanager_p.h:81
No locals.
#6  QtOrganizer::QOrganizerManager::~QOrganizerManager (this=0x1f5cd18, __in_chrg=<optimized out>) at qorganizermanager.cpp:367
No locals.
#7  0xb19630a4 in QtOrganizer::QOrganizerManager::~QOrganizerManager (this=0x1f5cd18, __in_chrg=<optimized out>) at qorganizermanager.cpp:368
No locals.
#8  0xb0c65a46 in ~QDeclarativeOrganizerModelPrivate (this=0x1f5cb18, __in_chrg=<optimized out>) at qdeclarativeorganizermodel.cpp:113
No locals.
#9  cleanup (pointer=0x1f5cb18) at /usr/include/qt5/QtCore/qscopedpointer.h:62
No locals.
#10 ~QScopedPointer (this=0x1f5ca68, __in_chrg=<optimized out>) at /usr/include/qt5/QtCore/qscopedpointer.h:109
        oldD = 0x1f5cb18
#11 QDeclarativeOrganizerModel::~QDeclarativeOrganizerModel (this=0x1f5ca58, __in_chrg=<optimized out>) at qdeclarativeorganizermodel.cpp:209
No locals.
#12 0xb0c461fc in ~QQmlElement (this=0x1f5ca58, __in_chrg=<optimized out>) at /usr/include/qt5/QtQml/qqmlprivate.h:90
No locals.
#13 QQmlPrivate::QQmlElement<QDeclarativeOrganizerModel>::~QQmlElement (this=0x1f5ca58, __in_chrg=<optimized out>) at /usr/include/qt5/QtQml/qqmlprivate.h:90
No locals.
#14 0xb6297da0 in QObjectPrivate::deleteChildren (this=this@entry=0x1eb0db8) at kernel/qobject.cpp:1841
        i = 0
#15 0xb629bfee in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:934
        d = <optimized out>
        __PRETTY_FUNCTION__ = "virtual QObject::~QObject()"
#16 0xb6dc9588 in QQuickItem::~QQuickItem (this=0x1eb0d58, __in_chrg=<optimized out>) at items/qquickitem.cpp:2038
No locals.
#17 0xb6e2e8c2 in ~QQuickImplicitSizeItem (this=0x1eb0d58, __in_chrg=<optimized out>) at items/qquickimplicitsizeitem_p.h:51
No locals.
#18 QQuickLoader::~QQuickLoader (this=0x1eb0d58, __in_chrg=<optimized out>) at items/qquickloader.cpp:311
No locals.
#19 0xb6dd6950 in ~QQmlElement (this=0x1eb0d58, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:90
No locals.
#20 QQmlPrivate::QQmlElement<QQuickLoader>::~QQmlElement (this=0x1eb0d58, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:90
No locals.
#21 0xb6297da0 in QObjectPrivate::deleteChildren (this=this@entry=0x1eb0b38) at kernel/qobject.cpp:1841
        i = 0
#22 0xb629bfee in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:934
        d = <optimized out>
        __PRETTY_FUNCTION__ = "virtual QObject::~QObject()"
#23 0xb6dc9588 in QQuickItem::~QQuickItem (this=0x1eb0800, __in_chrg=<optimized out>) at items/qquickitem.cpp:2038
No locals.
#24 0xb6dd60cc in ~QQmlElement (this=0x1eb0800, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:90
No locals.
#25 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0x1eb0800, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:90
No locals.
#26 0xb6c6c52e in QQmlDelegateModel::~QQmlDelegateModel (this=0x1dfbe68, __in_chrg=<optimized out>) at types/qqmldelegatemodel.cpp:236
        cacheItem = 0x1eb01c0
        _container_ = {c = {{p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0x1dff048}, d = 0x1dff048}}, brk = 0, i = {i = 0x1dff05c}, e = {i = 0x1dff064}}
#27 0xb6c6c5a4 in QQmlDelegateModel::~QQmlDelegateModel (this=0x1dfbe68, __in_chrg=<optimized out>) at types/qqmldelegatemodel.cpp:250
No locals.
#28 0xb6e27894 in QQuickPathView::~QQuickPathView (this=0x1dfb2e8, __in_chrg=<optimized out>) at items/qquickpathview.cpp:558
No locals.
#29 0xb6dd6830 in ~QQmlElement (this=0x1dfb2e8, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:90
No locals.
#30 QQmlPrivate::QQmlElement<QQuickPathView>::~QQmlElement (this=0x1dfb2e8, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:90
No locals.
---Type <return> to continue, or q <return> to quit---
#31 0xb6297da0 in QObjectPrivate::deleteChildren (this=this@entry=0x1df3760) at kernel/qobject.cpp:1841
        i = 7
#32 0xb629bfee in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:934
        d = <optimized out>
        __PRETTY_FUNCTION__ = "virtual QObject::~QObject()"
#33 0xb6dc9588 in QQuickItem::~QQuickItem (this=0x1df3700, __in_chrg=<optimized out>) at items/qquickitem.cpp:2038
No locals.
#34 0xb6dd4266 in QQuickFocusScope::~QQuickFocusScope (this=0x1df3700, __in_chrg=<optimized out>) at items/qquickfocusscope.cpp:69
No locals.
#35 0xb6dd6b14 in ~QQmlElement (this=0x1df3700, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:90
No locals.
#36 QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement (this=0x1df3700, __in_chrg=<optimized out>) at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:90
No locals.
#37 0xb62981f8 in QObject::event (this=this@entry=0x1df3700, e=e@entry=0x2015e30) at kernel/qobject.cpp:1138
No locals.
#38 0xb6dc711e in QQuickItem::event (this=0x1df3700, ev=0x2015e30) at items/qquickitem.cpp:6984
No locals.
#39 0xb677d8a0 in QApplicationPrivate::notify_helper (this=this@entry=0x18f9ff8, receiver=receiver@entry=0x1df3700, e=e@entry=0x2015e30) at kernel/qapplication.cpp:3486
        consumed = <optimized out>
#40 0xb678136e in QApplication::notify (this=0xbed9219c, receiver=0x1df3700, e=0x2015e30) at kernel/qapplication.cpp:3236
        w = 0x1df3700
        extra = <optimized out>
        isProxyWidget = <optimized out>
        __PRETTY_FUNCTION__ = "virtual bool QApplication::notify(QObject*, QEvent*)"
        res = <optimized out>
#41 0xb627c02a in QCoreApplication::notifyInternal (this=0xbed9219c, receiver=receiver@entry=0x1df3700, event=event@entry=0x2015e30) at kernel/qcoreapplication.cpp:881
        threadData = 0x18f9f58
        loopLevelCounter = {threadData = 0x18f9f58}
        result = false
        cbdata = {0x1df3700, 0x2015e30, 0xbed91f23}
        d = 0x1df3760
#42 0xb627dc8c in sendEvent (event=0x2015e30, receiver=0x1df3700) at kernel/qcoreapplication.h:232
No locals.
#43 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x18f9f58) at kernel/qcoreapplication.cpp:1485
        e = 0x2015e30
        pe = <optimized out>
        r = 0x1df3700
        unlocker = {m = <synthetic pointer>}
        event_deleter = {d = 0x2015e30}
        __PRETTY_FUNCTION__ = "static void QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)"
        locker = {val = 26189684}
        startOffset = 0
        i = @0x18f9f6c: 0
        cleanup = {receiver = <optimized out>, event_type = 0, data = 0x18f9f58, exceptionCaught = true}
#44 0xb627e020 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1343
        data = <optimized out>
#45 0xb62b0e58 in postEventSourceDispatch (s=0x1929098) at kernel/qeventdispatcher_glib.cpp:279
        source = 0x1929098
#46 0xb5d0039a in g_main_context_dispatch () from /lib/arm-linux-gnueabihf/libglib-2.0.so.0
No symbol table info available.
#47 0xb5d00522 in ?? () from /lib/arm-linux-gnueabihf/libglib-2.0.so.0