#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb5a93ad7 in syscall () from /lib/libc.so.6
#2  0xb5e234bc in QBasicMutex::lockInternal() ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Core.so.5
#3  0xb5e23948 in QMutex::lock() ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Core.so.5
#4  0xb71ea5c8 in QQmlEnginePrivate::isQObject(int) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Qml.so.5
#5  0xb7208b87 in QQmlBoundSignalExpression::evaluate(void**) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Qml.so.5
#6  0xb7208f8e in ?? () from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Qml.so.5
#7  0xb72438b6 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Qml.so.5
#8  0xb71e870b in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Qml.so.5
#9  0xb60ab8d1 in QMetaObject::activate(QObject*, int, int, void**) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Core.so.5
#10 0xb60ac51b in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Core.so.5
#11 0xb7676db5 in ?? () from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Quick.so.5
#12 0xb7518c9c in ?? () from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Quick.so.5
#13 0xb7526e93 in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Quick.so.5
---Type <return> to continue, or q <return> to quit---
#14 0xb7527054 in QQuickItem::event(QEvent*) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Quick.so.5
#15 0xb6a736d4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Widgets.so.5
#16 0xb6a778b1 in QApplication::notify(QObject*, QEvent*) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Widgets.so.5
#17 0xb607641e in QCoreApplication::notifyInternal(QObject*, QEvent*) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Core.so.5
#18 0xb7533832 in QQuickWindow::sendEvent(QQuickItem*, QEvent*) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Quick.so.5
#19 0xb7535d1a in QQuickWindowPrivate::deliverKeyEvent(QKeyEvent*) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Quick.so.5
#20 0xb7535db6 in QQuickWindow::keyPressEvent(QKeyEvent*) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Quick.so.5
#21 0xb63a8264 in QWindow::event(QEvent*) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Gui.so.5
#22 0xb753912c in QQuickWindow::event(QEvent*) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Quick.so.5
#23 0xb6a736d4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Widgets.so.5
#24 0xb6a77342 in QApplication::notify(QObject*, QEvent*) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Widgets.so.5
#25 0xb607641e in QCoreApplication::notifyInternal(QObject*, QEvent*) ()
---Type <return> to continue, or q <return> to quit---
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Core.so.5
#26 0xb6399620 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Gui.so.5
#27 0xb63a27d8 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Gui.so.5
#28 0xb6383e86 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Gui.so.5
#29 0xb19f0481 in ?? ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/plugins/platforms/libqxcb.so
#30 0xb58e4478 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#31 0xb58e7c23 in ?? () from /usr/lib/libglib-2.0.so.0
#32 0xb58e7da8 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#33 0xb60d7ca8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Core.so.5
#34 0xb19f06d6 in ?? ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/plugins/platforms/libqxcb.so
#35 0xb6073e76 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Core.so.5
#36 0xb60742cc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Core.so.5
#37 0xb6079a19 in QCoreApplication::exec() ()
---Type <return> to continue, or q <return> to quit---
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Core.so.5
#38 0xb6398fe4 in QGuiApplication::exec() ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Gui.so.5
#39 0xb6a6e3d4 in QApplication::exec() ()
   from /home/burtmat/Qt5.3.0/5.3/gcc/lib/libQt5Widgets.so.5
#40 0x08051900 in main (argc=Cannot access memory at address 0x80
) at ../src/main.cpp:119