#0  0x00000001 in ?? ()
No symbol table info available.
#1  0xf3b2105b in QtWaylandClient::WlCallback::callback_done (
    this=0x5680f350, callback_data=53181684) at qwaylandinputdevice.cpp:176
No locals.
#2  0xf3b4dd8b in QtWayland::wl_callback::handle_done (data=0x5680f350, 
    object=0x56804dd0, callback_data=53181684) at qwayland-wayland.cpp:180
No locals.
#3  0xf389d10e in ffi_call_SYSV () from /usr/lib/i386-linux-gnu/libffi.so.6
No symbol table info available.
#4  0xf389cd9c in ffi_call () from /usr/lib/i386-linux-gnu/libffi.so.6
No symbol table info available.
#5  0xf39a7d71 in wl_closure_invoke (closure=<optimized out>, flags=1, 
    target=<optimized out>, opcode=0, data=<optimized out>)
    at src/connection.c:1018
        count = 1
        cif = {abi = FFI_SYSV, nargs = 3, arg_types = 0xffffc050, 
          rtype = 0xf389e090 <ffi_type_void>, bytes = 16, flags = 0}
        ffi_types = {0xf389e024 <ffi_type_pointer>, 
          0xf389e024 <ffi_type_pointer>, 0xf389e054 <ffi_type_uint32>, 
          0xf39a7321 <wl_connection_read+226>, 0x3, 0xffffc098, 0x40, 
          0xd6047200, 0x74, 0xf67757a0 <main_arena>, 0x7, 0xf39ad000, 
          0x56777830, 0x1, 0xffffc0d8, 0xf39a8164 <wl_closure_destroy+98>, 
          0x56777830, 0xf39a8133 <wl_closure_destroy+49>, 0xf3bc3424, 
          0xffffc0b8, 0x8, 0xffffc124}
        ffi_args = {0xffffc130, 0xffffc128, 0x56778890, 0x8, 0xffffc075, 
          0x0, 0x0, 0x0, 0xf39a810d <wl_closure_destroy+11>, 0xf39ad000, 
          0x56777830, 0xf3bc3425, 0xffffc128, 
          0xf39a581a <destroy_queued_closure+120>, 0x56777830, 0xf39ad000, 
          0xffffc128, 0xf39a5811 <destroy_queued_closure+111>, 0x568056a0, 
          0x5680570c, 0xf6a26d79 <__pthread_mutex_unlock_usercnt+9>, 
          0xf39ad000}
        implementation = <optimized out>
#6  0xf39a5977 in dispatch_event (display=display@entry=0x565720c0, 
    queue=<optimized out>) at src/wayland-client.c:1445
        closure = 0x56778880
        proxy = 0x56804dd0
        opcode = 0
        proxy_destroyed = <optimized out>
#7  0xf39a69cf in dispatch_queue (queue=0x56572130, display=0x565720c0)
    at src/wayland-client.c:1591
        count = 9
        count = <optimized out>
#8  wl_display_dispatch_queue_pending (display=0x565720c0, queue=0x56572130)
    at src/wayland-client.c:1833
        ret = <optimized out>
#9  0xf39a6a2b in wl_display_dispatch_pending (display=0x565720c0)
    at src/wayland-client.c:1896
No locals.
#10 0xf3b2276e in QtWaylandClient::QWaylandDisplay::flushRequests (
    this=0x56569240) at qwaylanddisplay.cpp:204
No locals.
#11 0xf3b5189c in QtWaylandClient::QWaylandDisplay::qt_static_metacall (
    _o=0x56569240, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xffffc2d4)
    at .moc/moc_qwaylanddisplay_p.cpp:77
        _t = 0x56569240
#12 0xf6d5e272 in doActivate<false> (sender=<optimized out>, 
    signal_index=<optimized out>, argv=<optimized out>)
    at /srcbuild/qtbase/src/corelib/kernel/qobject.cpp:3882
        method_relative = <optimized out>
        callFunction = <optimized out>
        methodIndex = 0
        receiver = <optimized out>
        td = <optimized out>
        receiverInSameThread = <optimized out>
        senderData = {previous = 0x0, receiver = 0x56569240, 
          sender = 0x566d6510, signal = 3}
        c = 0x566cfc60
        connections = {d = 0x566d0880}
        list = <optimized out>
        inSenderThread = <optimized out>
        highestConnectionId = <optimized out>
        signalVector = <optimized out>
        currentThreadId = <optimized out>
        __PRETTY_FUNCTION__ = "void doActivate(QObject*, int, void**) [with bool callbacks_enabled = false]"
        sp = <optimized out>
        signal_spy_set = 0x0
        empty_argv = {0x0}
        senderDeleted = false
#13 0xf6d56ff2 in QMetaObject::activate (sender=0x566d6510, 
    m=0xf7068e18 <QSocketNotifier::staticMetaObject>, local_signal_index=0, 
    argv=0xffffc2d4) at /srcbuild/qtbase/src/corelib/kernel/qobject.cpp:3929
        signal_index = <optimized out>
#14 0xf6d622bd in QSocketNotifier::activated (this=0x566d6510, 
    _t1=<optimized out>, _t2=...) at .moc/moc_qsocketnotifier.cpp:141
        _a = {0x0, 0xffffc2f4, 0xffffc2f8}
#15 0xf6d62775 in QSocketNotifier::event (this=0x566d6510, e=0xffffc6c4)
    at /srcbuild/qtbase/src/corelib/kernel/qsocketnotifier.cpp:266
        d = 0x566cf9a0
#16 0xf78f46b3 in QApplicationPrivate::notify_helper (this=0x56567670, 
    receiver=0x566d6510, e=0xffffc6c4)
    at /srcbuild/qtbase/src/widgets/kernel/qapplication.cpp:3690
        consumed = false
#17 0xf78fbeb8 in QApplication::notify (this=0xffffc9b8, 
    receiver=0x566d6510, e=0xffffc6c4)
    at /srcbuild/qtbase/src/widgets/kernel/qapplication.cpp:3036
        d = <optimized out>
        __PRETTY_FUNCTION__ = "virtual bool QApplication::notify(QObject*, QEvent*)"
        res = false
#18 0xf6d20568 in QCoreApplication::notifyInternal2 (receiver=0x566d6510, 
    event=0xffffc6c4)
    at /srcbuild/qtbase/src/corelib/kernel/qcoreapplication.cpp:1092
        selfRequired = true
        result = false
        cbdata = {0x566d6510, 0xffffc6c4, 0xffffc65f}
        d = <optimized out>
        threadData = 0x56567740
        scopeLevelCounter = <optimized out>
#19 0xf6d20838 in QCoreApplication::sendEvent (receiver=0x566d6510, 
    event=0xffffc6c4)
    at /srcbuild/qtbase/src/corelib/kernel/qcoreapplication.cpp:1487
No locals.
#20 0xf6d86204 in socketNotifierSourceDispatch (source=<optimized out>)
    at /srcbuild/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:107
        p = <optimized out>
        i = 0
        event = {_vptr.QEvent = 0xf7068af4 <vtable for QEvent+8>, 
          static staticMetaObject = {d = {superdata = {direct = 0x0}, 
              stringdata = 0xf6f02920 <qt_meta_stringdata_QEvent>, 
              data = 0xf6f02360 <qt_meta_data_QEvent>, 
              static_metacall = 0x0, relatedMetaObjects = 0x0, 
              extradata = 0x0}}, d = 0x0, t = 50, posted = 0, spont = 0, 
          m_accept = 1, reserved = 7817}
        src = <optimized out>
#21 0xf448e1a7 in g_main_context_dispatch ()
   from /opt/lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#22 0xf448e415 in g_main_context_iterate.isra ()
   from /opt/lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#23 0xf448e4c3 in g_main_context_iteration ()
   from /opt/lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#24 0xf6d8524f in QEventDispatcherGlib::processEvents (this=0x566d64d0, 
    flags=...)
    at /srcbuild/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:423
        d = 0x566d8810
        canWait = true
        savedFlags = <optimized out>
        result = <optimized out>
#25 0xf3b61c4f in QPAEventDispatcherGlib::processEvents (this=0x566d64d0, 
    flags=...)
    at /srcbuild/qtbase/src/platformsupport/eventdispatchers/qeventdispatcher_glib.cpp:120
No locals.
#26 0xf6d1e04a in QEventLoop::processEvents (this=0xffffc900, flags=...)
    at /srcbuild/qtbase/src/corelib/kernel/qeventloop.cpp:138
        d = <optimized out>
#27 0xf6d1e53c in QEventLoop::exec (this=<optimized out>, flags=...)
    at /srcbuild/qtbase/src/corelib/kernel/qeventloop.cpp:225
        d = 0x56793240
        locker = {val = 1448507344}
        __PRETTY_FUNCTION__ = "int QEventLoop::exec(QEventLoop::ProcessEventsFlags)"
        ref = {d = 0x56793240, locker = @0xffffc87c, exceptionCaught = true}
        app = <optimized out>
#28 0xf6d28fcd in QCoreApplication::exec ()
    at /srcbuild/qtbase/src/corelib/kernel/qcoreapplication.cpp:1400
        threadData = 0x56567740
        __PRETTY_FUNCTION__ = "static int QCoreApplication::exec()"
        eventLoop = {<QObject> = {
            _vptr.QObject = 0xf70689dc <vtable for QEventLoop+8>, 
            static staticMetaObject = {d = {superdata = {direct = 0x0}, 
                stringdata = 0xf6f089c0 <qt_meta_stringdata_QObject>, 
                data = 0xf6f088a0 <qt_meta_data_QObject>, 
                static_metacall = 0xf6d5c604 <QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, 
                extradata = 0x0}}, d_ptr = {d = 0x56793240}, 
            static staticQtMetaObject = {d = {superdata = {direct = 0x0}, 
                stringdata = 0xf6f0b900 <qt_meta_stringdata_Qt>, 
                data = 0xf6f08aa0 <qt_meta_data_Qt>, static_metacall = 0x0, 
                relatedMetaObjects = 0x0, extradata = 0x0}}}, 
          static staticMetaObject = {d = {superdata = {
                direct = 0xf7063874 <QObject::staticMetaObject>}, 
              stringdata = 0xf6f010e0 <qt_meta_stringdata_QEventLoop>, 
              data = 0xf6f01080 <qt_meta_data_QEventLoop>, 
              static_metacall = 0xf6d1e180 <QEventLoop::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, 
              extradata = 0x0}}}
        returnCode = <optimized out>
#29 0xf715863d in QGuiApplication::exec ()
    at /srcbuild/qtbase/src/gui/kernel/qguiapplication.cpp:1845
No locals.
#30 0xf78f45a0 in QApplication::exec ()
    at /srcbuild/qtbase/src/widgets/kernel/qapplication.cpp:2836
No locals.
#31 0x56558c93 in main (argc=<optimized out>, argv=0xffffca84)
    at ../main.cpp:62
        app = {<QGuiApplication> = {<QCoreApplication> = {<QObject> = {
                _vptr.QObject = 0xf7fb4f70 <vtable for QApplication+8>, 
                static staticMetaObject = {d = {superdata = {direct = 0x0}, 
                    stringdata = 0xf6f089c0 <qt_meta_stringdata_QObject>, 
                    data = 0xf6f088a0 <qt_meta_data_QObject>, 
                    static_metacall = 0xf6d5c604 <QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, 
                    extradata = 0x0}}, d_ptr = {d = 0x56567670}, 
                static staticQtMetaObject = {d = {superdata = {
                      direct = 0x0}, 
                    stringdata = 0xf6f0b900 <qt_meta_stringdata_Qt>, 
                    data = 0xf6f08aa0 <qt_meta_data_Qt>, 
                    static_metacall = 0x0, relatedMetaObjects = 0x0, 
                    extradata = 0x0}}}, static staticMetaObject = {d = {
                  superdata = {
                    direct = 0xf7063874 <QObject::staticMetaObject>}, 
                  stringdata = 0xf6f01ee0 <qt_meta_stringdata_QCoreApplication>, data = 0xf6f01dc0 <qt_meta_data_QCoreApplication>, 
                  static_metacall = 0xf6d21fa8 <QCoreApplication::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, 
                  relatedMetaObjects = 0x0, extradata = 0x0}}, 
              static self = 0xffffc9b8}, static staticMetaObject = {d = {
                superdata = {
                  direct = 0xf7068a9c <QCoreApplication::staticMetaObject>}, stringdata = 0xf75b82e0 <qt_meta_stringdata_QGuiApplication>, 
                data = 0xf75b8060 <qt_meta_data_QGuiApplication>, 
                static_metacall = 0xf71592f0 <QGuiApplication::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, 
                extradata = 0x0}}}, static staticMetaObject = {d = {
              superdata = {
                direct = 0xf77f33f4 <QGuiApplication::staticMetaObject>}, 
              stringdata = 0xf7d007e0 <qt_meta_stringdata_QApplication>, 
              data = 0xf7d00660 <qt_meta_data_QApplication>, 
              static_metacall = 0xf78f9374 <QApplication::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, 
              extradata = 0x0}}}
        dialog = {<QDialog> = {<QWidget> = {<QObject> = {
                _vptr.QObject = 0x5655bd7c <vtable for Dialog+8>, 
                static staticMetaObject = {d = {superdata = {direct = 0x0}, 
                    stringdata = 0xf6f089c0 <qt_meta_stringdata_QObject>, 
                    data = 0xf6f088a0 <qt_meta_data_QObject>, 
                    static_metacall = 0xf6d5c604 <QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, 
                    extradata = 0x0}}, d_ptr = {d = 0x566dfaf0}, 
                static staticQtMetaObject = {d = {superdata = {
                      direct = 0x0}, 
                    stringdata = 0xf6f0b900 <qt_meta_stringdata_Qt>, 
                    data = 0xf6f08aa0 <qt_meta_data_Qt>, 
                    static_metacall = 0x0, relatedMetaObjects = 0x0, 
                    extradata = 0x0}}}, <QPaintDevice> = {
                _vptr.QPaintDevice = 0x5655be68 <vtable for Dialog+244>, 
                painters = 0, reserved = 0x0}, static staticMetaObject = {
                d = {superdata = {
                    direct = 0xf7063874 <QObject::staticMetaObject>}, 
                  stringdata = 0xf7d05380 <qt_meta_stringdata_QWidget>, 
                  data = 0xf7d04ca0 <qt_meta_data_QWidget>, 
                  static_metacall = 0xf793f190 <QWidget::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, 
                  extradata = 0x0}}, data = 0x566dfb8c}, 
            static staticMetaObject = {d = {superdata = {
                  direct = 0xf7fb594c <QWidget::staticMetaObject>}, 
                stringdata = 0xf7d3cee0 <qt_meta_stringdata_QDialog>, 
                data = 0xf7d3cd80 <qt_meta_data_QDialog>, 
                static_metacall = 0xf7b3ddce <QDialog::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, 
                extradata = 0x0}}}, static staticMetaObject = {d = {
              superdata = {
                direct = 0xf7fbf564 <QDialog::staticMetaObject>}, 
              stringdata = 0x5655a23c <qt_meta_stringdata_Dialog>, 
              data = 0x5655a200 <qt_meta_data_Dialog>, 
              static_metacall = 0x5655906a <Dialog::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, 
              extradata = 0x0}}}