Application: plasma-discover (5.18.3)

Qt Version: 5.14.1
Frameworks Version: 5.70.0
Operating System: Linux 5.6.6-1-default x86_64
Windowing system: X11
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:

I simply tried to open Discover. It crashed right after the window show then closed

The crash can be reproduced every time.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f820d40e500 in QQmlRefPointer<QQmlTypePrivate const>::QQmlRefPointer(QQmlRefPointer<QQmlTypePrivate const> const&) (other=..., this=0x7f8204888f90) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/qml/ftw/qqmlrefcount_p.h:152
#5  0x00007f820d40e500 in QQmlType::QQmlType(QQmlType const&) (this=0x7f8204888f90) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/qml/qqmltype_p.h:78
#6  0x00007f820d4803d9 in QQmlPropertyCacheCreator<QQmlTypeCompiler>::propertyCacheForObject(QmlIR::Object const*, QQmlBindingInstantiationContext const&, QQmlJS::DiagnosticMessage*) const (this=this@entry=0x7f8204889290, obj=obj@entry=0x7f81fc35f700, context=..., error=error@entry=0x7f8204889050) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/qml/qqmlpropertycachecreator_p.h:95
#7  0x00007f820d48359a in QQmlPropertyCacheCreator<QQmlTypeCompiler>::buildMetaObjectRecursively(int, QQmlBindingInstantiationContext const&) (this=this@entry=0x7f8204889290, objectIndex=<optimized out>, context=...) at /usr/include/qt5/QtCore/qarraydata.h:257
#8  0x00007f820d483a0b in QQmlPropertyCacheCreator<QQmlTypeCompiler>::buildMetaObjectRecursively(int, QQmlBindingInstantiationContext const&) (this=this@entry=0x7f8204889290, objectIndex=<optimized out>, context=...) at /usr/include/c++/9/bits/atomic_base.h:326
#9  0x00007f820d483a0b in QQmlPropertyCacheCreator<QQmlTypeCompiler>::buildMetaObjectRecursively(int, QQmlBindingInstantiationContext const&) (this=this@entry=0x7f8204889290, objectIndex=objectIndex@entry=0, context=...) at /usr/include/c++/9/bits/atomic_base.h:326
#10 0x00007f820d47f0f5 in QQmlPropertyCacheCreator<QQmlTypeCompiler>::buildMetaObjects() (this=0x7f8204889290) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/qml/ftw/qqmlrefcount_p.h:138
#11 0x00007f820d47f0f5 in QQmlTypeCompiler::compile() (this=this@entry=0x7f8204889450) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmltypecompiler.cpp:85
#12 0x00007f820d3ca457 in QQmlTypeData::compile(QQmlRefPointer<QQmlTypeNameCache> const&, QV4::ResolvedTypeReferenceMap*, std::function<QByteArray ()> const&) (this=this@entry=0x55cfffa64590, typeNameCache=..., resolvedTypeCache=resolvedTypeCache@entry=0x7f8204889528, dependencyHasher=...) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmltypedata.cpp:613
#13 0x00007f820d3ce8ed in QQmlTypeData::done() (this=0x55cfffa64590) at /usr/include/c++/9/bits/std_function.h:87
#14 0x00007f820d3ba765 in QQmlDataBlob::tryDone() (this=0x55cfffa64590) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/qml/ftw/qqmlrefcount_p.h:116
#15 0x00007f820d3ba765 in QQmlDataBlob::tryDone() (this=0x55cfffa64590) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmldatablob.cpp:509
#16 0x00007f820d41ac33 in QQmlTypeLoader::setData(QQmlDataBlob*, QQmlDataBlob::SourceCodeData const&) (this=this@entry=0x55cffe5359a0, blob=blob@entry=0x55cfffa64590, d=...) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmltypeloader.cpp:443
#17 0x00007f820d41af94 in QQmlTypeLoader::setData(QQmlDataBlob*, QString const&) (this=this@entry=0x55cffe5359a0, blob=blob@entry=0x55cfffa64590, fileName=...) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmltypeloader.cpp:424
#18 0x00007f820d41b6f0 in QQmlTypeLoader::loadThread(QQmlDataBlob*) (this=0x55cffe5359a0, blob=blob@entry=0x55cfffa64590) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmltypeloader.cpp:296
#19 0x00007f820d3d648d in QQmlTypeLoaderThread::loadThread(QQmlDataBlob*) (this=<optimized out>, b=0x55cfffa64590) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmltypeloaderthread.cpp:156
#20 0x00007f820d49ca28 in QQmlThreadPrivate::threadEvent() (this=this@entry=0x55cffe3859d0) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/ftw/qqmlthread.cpp:204
#21 0x00007f820d49d0f2 in QQmlThreadPrivate::event(QEvent*) (this=0x55cffe3859d0, e=0x55cfffa6a4c0) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/ftw/qqmlthread.cpp:142
#22 0x00007f820d767caf in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x55cffdd5de00, receiver=receiver@entry=0x55cffe3859d0, e=e@entry=0x55cfffa6a4c0) at kernel/qapplication.cpp:3684
#23 0x00007f820d770df0 in QApplication::notify(QObject*, QEvent*) (this=0x7fff865f9940, receiver=0x55cffe3859d0, e=0x55cfffa6a4c0) at kernel/qapplication.cpp:3430
#24 0x00007f820c747fe2 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55cffe3859d0, event=0x55cfffa6a4c0) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:153
#25 0x00007f820c74a774 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x55cffe32edd0) at kernel/qcoreapplication.cpp:1832
#26 0x00007f820c79f553 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x7f81fc0047b0) at kernel/qeventdispatcher_glib.cpp:277
#27 0x00007f820abc96e8 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#28 0x00007f820abc9a70 in  () at /usr/lib64/libglib-2.0.so.0
#29 0x00007f820abc9aff in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#30 0x00007f820c79ebce in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f81fc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#31 0x00007f820c746b7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f8204889c80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#32 0x00007f820c5715ce in QThread::exec() (this=this@entry=0x55cffe3859d0) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#33 0x00007f820d49c6e5 in QQmlThreadPrivate::run() (this=0x55cffe3859d0) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/ftw/qqmlthread.cpp:155
#34 0x00007f820c572698 in QThreadPrivate::start(void*) (arg=0x55cffe3859d0) at thread/qthread_unix.cpp:342
#35 0x00007f820b5daefa in start_thread () at /lib64/libpthread.so.0
#36 0x00007f820c1fe3bf in clone () at /lib64/libc.so.6

#1  0x00007f820abf2e90 in g_thread_self () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f820abc9aef in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f820c79ebeb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f81f8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f820c746b7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f8206988c70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f820c5715ce in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f820dcb0507 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f820c572698 in QThreadPrivate::start(void*) (arg=0x7f820dd32da0) at thread/qthread_unix.cpp:342
#8  0x00007f820b5daefa in start_thread () at /lib64/libpthread.so.0
#9  0x00007f820c1fe3bf in clone () at /lib64/libc.so.6

#1  0x00007f820aad5772 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f820aad643a in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f8207981ab0 in QXcbEventQueue::run() (this=0x55cffdd7f2d0) at qxcbeventqueue.cpp:228
#4  0x00007f820c572698 in QThreadPrivate::start(void*) (arg=0x55cffdd7f2d0) at thread/qthread_unix.cpp:342
#5  0x00007f820b5daefa in start_thread () at /lib64/libpthread.so.0
#6  0x00007f820c1fe3bf in clone () at /lib64/libc.so.6

#1  0x00007f820c5781db in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x55cffe51dd80) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f820c5781db in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x55cffe385a40, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f820c578299 in QWaitCondition::wait(QMutex*, unsigned long) (this=0x55cffe385a48, mutex=0x55cffe385a40, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f820d49cda7 in QQmlThreadPrivate::wait() (this=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/ftw/qqmlthread.cpp:353
#5  0x00007f820d49cda7 in QQmlThread::internalCallMethodInThread(QQmlThread::Message*) (this=0x55cffe53b4a0, message=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/ftw/qqmlthread.cpp:353
#6  0x00007f820d3d66c5 in QQmlThread::callMethodInThread<QQmlDataBlob*, QQmlDataBlob*, QQmlTypeLoaderThread>(void (QQmlTypeLoaderThread::*)(QQmlDataBlob*), QQmlDataBlob* const&) (arg=<synthetic pointer>: <optimized out>, Member=<optimized out>, this=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/qml/ftw/qqmlthread_p.h:161
#7  0x00007f820d3d66c5 in QQmlTypeLoaderThread::load(QQmlDataBlob*) (this=<optimized out>, b=b@entry=0x55cfffa64590) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmltypeloaderthread.cpp:83
#8  0x00007f820d421ad5 in PlainLoader::load(QQmlTypeLoader*, QQmlDataBlob*) const (this=0x7fff865f6d67, loader=0x55cffe5359a0, blob=0x55cfffa64590) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmltypeloader.cpp:147
#9  0x00007f820d421ad5 in QQmlTypeLoader::doLoad<PlainLoader>(PlainLoader const&, QQmlDataBlob*, QQmlTypeLoader::Mode) (this=this@entry=0x55cffe5359a0, loader=..., blob=blob@entry=0x55cfffa64590, mode=mode@entry=QQmlTypeLoader::PreferSynchronous) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmltypeloader.cpp:211
#10 0x00007f820d41ba56 in QQmlTypeLoader::load(QQmlDataBlob*, QQmlTypeLoader::Mode) (this=this@entry=0x55cffe5359a0, blob=blob@entry=0x55cfffa64590, mode=mode@entry=QQmlTypeLoader::PreferSynchronous) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmltypeloader.cpp:234
#11 0x00007f820d41d528 in QQmlTypeLoader::getType(QUrl const&, QQmlTypeLoader::Mode) (this=0x55cffe5359a0, unNormalizedUrl=..., mode=mode@entry=QQmlTypeLoader::PreferSynchronous) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmltypeloader.cpp:803
#12 0x00007f820d3f482d in QQmlComponentPrivate::loadUrl(QUrl const&, QQmlComponent::CompilationMode) (this=0x55cffe2316d0, newUrl=..., mode=QQmlComponent::PreferSynchronous) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmlengine.h:172
#13 0x00007f820d4a58a9 in QV4::QtObject::method_createComponent(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) (b=<optimized out>, argv=<optimized out>, argc=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/v8/qqmlbuiltinfunctions.cpp:1333
#14 0x00007f820d336931 in QV4::FunctionObject::call(QV4::Value const*, QV4::Value const*, int) const (argc=<optimized out>, argv=<optimized out>, thisObject=<optimized out>, this=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/jsruntime/qv4functionobject_p.h:172
#15 0x00007f820d336931 in QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) (frame=0x7fff865f70c0, engine=0x55cffe332290, code=0x7f81f7bc17c0 "\300o_\367\201\177") at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4vme_moth.cpp:754
#16 0x00007f820d338867 in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) (frame=frame@entry=0x7fff865f70c0, engine=engine@entry=0x55cffe332290) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4vme_moth.cpp:463
#17 0x00007f820d2ca518 in QV4::ArrowFunction::virtualCall(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) (fo=<optimized out>, thisObject=<optimized out>, argv=<optimized out>, argc=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4functionobject.cpp:527
#18 0x00007f820d336931 in QV4::FunctionObject::call(QV4::Value const*, QV4::Value const*, int) const (argc=<optimized out>, argv=<optimized out>, thisObject=<optimized out>, this=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/jsruntime/qv4functionobject_p.h:172
#19 0x00007f820d336931 in QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) (frame=0x7fff865f72f0, engine=0x55cffe332290, code=0x7f81f7bc16d0 "`Q`\367\201\177") at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4vme_moth.cpp:754
#20 0x00007f820d338867 in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) (frame=frame@entry=0x7fff865f72f0, engine=engine@entry=0x55cffe332290) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4vme_moth.cpp:463
#21 0x00007f820d2ca518 in QV4::ArrowFunction::virtualCall(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) (fo=<optimized out>, thisObject=<optimized out>, argv=<optimized out>, argc=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4functionobject.cpp:527
#22 0x00007f820d34865b in QV4::FunctionObject::call(QV4::Value const*, QV4::Value const*, int) const (argc=3, argv=0x7f81f7bc1600, thisObject=0x7f81f7bc1648, this=0x7fff865f7388) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4functionobject_p.h:172
#23 0x00007f820d34865b in QV4::Runtime::CallQmlContextPropertyLookup::call(QV4::ExecutionEngine*, unsigned int, QV4::Value*, int) (engine=0x55cffe332290, index=<optimized out>, argv=0x7f81f7bc1600, argc=3) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4runtime.cpp:1359
#24 0x00007f820d333d13 in QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) (frame=0x7fff865f7570, engine=0x55cffe332290, code=0x7f81f6ff790e "\030\t.\032z0\026\026\t\002l\001") at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4vme_moth.cpp:784
#25 0x00007f820d338867 in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) (frame=frame@entry=0x7fff865f7570, engine=engine@entry=0x55cffe332290) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4vme_moth.cpp:463
#26 0x00007f820d2ca518 in QV4::ArrowFunction::virtualCall(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) (fo=<optimized out>, thisObject=<optimized out>, argv=<optimized out>, argc=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4functionobject.cpp:527
#27 0x00007f820d336931 in QV4::FunctionObject::call(QV4::Value const*, QV4::Value const*, int) const (argc=<optimized out>, argv=<optimized out>, thisObject=<optimized out>, this=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/jsruntime/qv4functionobject_p.h:172
#28 0x00007f820d336931 in QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) (frame=0x7fff865f77a0, engine=0x55cffe332290, code=0x7f81f7bc1538 " 8`\367\201\177") at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4vme_moth.cpp:754
#29 0x00007f820d338867 in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) (frame=frame@entry=0x7fff865f77a0, engine=engine@entry=0x55cffe332290) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4vme_moth.cpp:463
#30 0x00007f820d2c986d in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) (this=this@entry=0x55cffe470890, thisObject=<optimized out>, argv=argv@entry=0x7f81f7bc1500, argc=<optimized out>, context=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/jsruntime/qv4function.cpp:69
#31 0x00007f820d453d27 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) (this=this@entry=0x55cffe2ef480, callData=callData@entry=0x7f81f7bc14d0, isUndefined=isUndefined@entry=0x0) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/jsruntime/qv4value_p.h:343
#32 0x00007f820d3fb9ee in QQmlBoundSignalExpression::evaluate(void**) (this=<optimized out>, a=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/jsruntime/qv4jscall_p.h:95
#33 0x00007f820d3fca68 in QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**) (e=0x55cffe2cbb80, a=0x0) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/qml/qqmlboundsignalexpressionpointer_p.h:69
#34 0x00007f820d43582d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) (endpoint=<optimized out>, a=a@entry=0x0) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmlnotifier.cpp:104
#35 0x00007f820d3decf4 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) (object=0x55cffe47bf90, index=64, a=0x0) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/src/qml/qml/qqmlengine.cpp:858
#36 0x00007f820c77c565 in doActivate<false>(QObject*, int, void**) (sender=0x55cffe47bf90, signal_index=64, argv=argv@entry=0x0) at kernel/qobject_p.h:110
#37 0x00007f820c7773bd in QMetaObject::activate(QObject*, int, int, void**) (sender=<optimized out>, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=argv@entry=0x0) at kernel/qobject.cpp:3943
#38 0x00007f820d3d89c5 in QQmlVMEMetaObject::activate(QObject*, int, void**) (this=this@entry=0x55cffe1a63b0, object=<optimized out>, index=<optimized out>, args=args@entry=0x0) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/qml/qqmlpropertycache_p.h:385
#39 0x00007f820d3da677 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) (this=0x55cffe1a63b0, o=<optimized out>, c=<optimized out>, _id=<optimized out>, a=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.14.1-ku.1.3.x86_64/include/QtQml/5.14.1/QtQml/private/../../../../../src/qml/qml/qqmlpropertycache_p.h:375
#40 0x00007f820c754b5b in QMetaProperty::write(QObject*, QVariant const&) const (this=this@entry=0x7fff865f96a0, object=object@entry=0x55cffe47bf90, value=...) at kernel/qmetaobject.cpp:3240
#41 0x00007f820c77b6de in QObject::setProperty(char const*, QVariant const&) (this=0x55cffe47bf90, name=0x55cffbe54b20 "currentTopLevel", value=...) at kernel/qobject.cpp:4054
#42 0x000055cffbe3af42 in  ()
#43 0x000055cffbe3b5ef in  ()
#44 0x000055cffbe1efa1 in  ()
#45 0x00007f820c125ceb in __libc_start_main () at /lib64/libc.so.6
#46 0x000055cffbe2103a in _start ()
[Inferior 1 (process 16315) detached]

Possible duplicates by query: bug 412649, bug 394294.

Reported using DrKonqi