Application: kwin_x11 (5.12.6)

Qt Version: 5.9.6
Frameworks Version: 5.47.0
Operating System: Linux 4.16.16-200.fc27.x86_64 x86_64
Distribution: "Fedora release 27 (Twenty Seven)"

-- Information about the crash:
- What I was doing when the application crashed:
KWin has crashed when I invoked Desktop Grid effect using hot corners
(top right corner, dual display setup, screen to the right)

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fcc397a6940 (LWP 23620))]

Thread 5 (Thread 0x7fcc0218d700 (LWP 23762)):
[KCrash Handler]
#6  0x00007fcc2e200660 in raise () at /lib64/libc.so.6
#7  0x00007fcc2e201c41 in abort () at /lib64/libc.so.6
#8  0x00007fcc2e242f17 in __libc_message () at /lib64/libc.so.6
#9  0x00007fcc2e2d255e in __fortify_fail_abort () at /lib64/libc.so.6
#10 0x00007fcc2e2d2522 in  () at /lib64/libc.so.6
#11 0x00007fcc36e95348 in QV4::JIT::CompilationUnit::memoryMapCode(QString*) () at /lib64/libQt5Qml.so.5
#12 0x00007fcc36e2cb3c in QV4::CompiledData::CompilationUnit::loadFromDisk(QUrl const&, QDateTime const&, QV4::EvalISelFactory*, QString*) () at /lib64/libQt5Qml.so.5
#13 0x00007fcc36fdec4a in QQmlTypeData::tryLoadFromDiskCache() () at /lib64/libQt5Qml.so.5
#14 0x00007fcc36fe0a85 in QQmlTypeData::dataReceived(QQmlDataBlob::SourceCodeData const&) () at /lib64/libQt5Qml.so.5
#15 0x00007fcc36fd74ad in QQmlTypeLoader::setData(QQmlDataBlob*, QQmlDataBlob::SourceCodeData const&) () at /lib64/libQt5Qml.so.5
#16 0x00007fcc36fd7d35 in QQmlTypeLoader::setData(QQmlDataBlob*, QString const&) () at /lib64/libQt5Qml.so.5
#17 0x00007fcc36fd8cfb in QQmlTypeLoader::loadThread(QQmlDataBlob*) () at /lib64/libQt5Qml.so.5
#18 0x00007fcc36fd8e6d in QQmlTypeLoaderThread::loadThread(QQmlDataBlob*) () at /lib64/libQt5Qml.so.5
#19 0x00007fcc370488c4 in QQmlThreadPrivate::threadEvent() () at /lib64/libQt5Qml.so.5
#20 0x00007fcc37048f8a in QQmlThreadPrivate::event(QEvent*) () at /lib64/libQt5Qml.so.5
#21 0x00007fcc2ff2c92c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#22 0x00007fcc2ff34174 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#23 0x00007fcc2f0bbcd7 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#24 0x00007fcc2f0be45b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#25 0x00007fcc2f10a0da in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#26 0x00007fcc2f0baa3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#27 0x00007fcc2ef0ba1a in QThread::exec() () at /lib64/libQt5Core.so.5
#28 0x00007fcc37048565 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#29 0x00007fcc2ef0ff32 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#30 0x00007fcc31afa50b in start_thread () at /lib64/libpthread.so.0
#31 0x00007fcc2e2c116f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fcbf1102700 (LWP 23644)):
#0  0x00007fcc31b0082d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fcc3845b604 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007fcc3845b649 in  () at /lib64/libQt5Script.so.5
#3  0x00007fcc31afa50b in start_thread () at /lib64/libpthread.so.0
#4  0x00007fcc2e2c116f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fcc03fff700 (LWP 23641)):
#0  0x00007fcc2e2b6d66 in ppoll () at /lib64/libc.so.6
#1  0x00007fcc2f108fb5 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007fcc2f10a25d in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#3  0x00007fcc2f0baa3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fcc2ef0ba1a in QThread::exec() () at /lib64/libQt5Core.so.5
#5  0x00007fcc37048565 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#6  0x00007fcc2ef0ff32 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fcc31afa50b in start_thread () at /lib64/libpthread.so.0
#8  0x00007fcc2e2c116f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fcc1538b700 (LWP 23635)):
#0  0x00007fcc2e2b6d66 in ppoll () at /lib64/libc.so.6
#1  0x00007fcc2f108fb5 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007fcc2f10a25d in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#3  0x00007fcc2f0baa3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fcc2ef0ba1a in QThread::exec() () at /lib64/libQt5Core.so.5
#5  0x00007fcc346f3449 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#6  0x00007fcc2ef0ff32 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fcc31afa50b in start_thread () at /lib64/libpthread.so.0
#8  0x00007fcc2e2c116f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fcc397a6940 (LWP 23620)):
#0  0x00007fcc31b0082d in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fcc2ef1068b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007fcc37048c21 in QQmlThread::internalCallMethodInThread(QQmlThread::Message*) () at /lib64/libQt5Qml.so.5
#3  0x00007fcc36fe6d9c in void QQmlTypeLoader::doLoad<PlainLoader>(PlainLoader const&, QQmlDataBlob*, QQmlTypeLoader::Mode) () at /lib64/libQt5Qml.so.5
#4  0x00007fcc36fd8eb6 in QQmlTypeLoader::load(QQmlDataBlob*, QQmlTypeLoader::Mode) () at /lib64/libQt5Qml.so.5
#5  0x00007fcc36fda7de in QQmlTypeLoader::getType(QUrl const&, QQmlTypeLoader::Mode) () at /lib64/libQt5Qml.so.5
#6  0x00007fcc36fb8c02 in QQmlComponentPrivate::loadUrl(QUrl const&, QQmlComponent::CompilationMode) () at /lib64/libQt5Qml.so.5
#7  0x00007fcc3781c723 in QQuickViewPrivate::execute() () at /lib64/libQt5Quick.so.5
#8  0x00007fcc389f1f8e in KWin::DesktopButtonsView::DesktopButtonsView(QWindow*) () at /lib64/libkwin4_effect_builtins.so.1
#9  0x00007fcc389f59cf in KWin::DesktopGridEffect::setup() () at /lib64/libkwin4_effect_builtins.so.1
#10 0x00007fcc389f5c6d in KWin::DesktopGridEffect::setActive(bool) () at /lib64/libkwin4_effect_builtins.so.1
#11 0x00007fcc389f5fc3 in KWin::DesktopGridEffect::borderActivated(KWin::ElectricBorder) () at /lib64/libkwin4_effect_builtins.so.1
#12 0x00007fcc38cda0f3 in KWin::Effect::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [clone .part.2] () at /lib64/libkwineffects.so.11
#13 0x00007fcc2f0ca615 in QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const () at /lib64/libQt5Core.so.5
#14 0x00007fcc2f0cbf79 in QMetaObject::invokeMethod(QObject*, char const*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () at /lib64/libQt5Core.so.5
#15 0x00007fcc390a7187 in KWin::Edge::handleByCallback() () at /lib64/libkwin.so.5
#16 0x00007fcc390a8e87 in KWin::Edge::handle(QPoint const&) () at /lib64/libkwin.so.5
#17 0x00007fcc390a8f59 in KWin::Edge::check(QPoint const&, QDateTime const&, bool) () at /lib64/libkwin.so.5
#18 0x00007fcc390a97c7 in KWin::ScreenEdges::handleEnterNotifiy(unsigned int, QPoint const&, QDateTime const&) () at /lib64/libkwin.so.5
#19 0x00007fcc14962e7d in KWin::ScreenEdgesFilter::event(xcb_generic_event_t*) () at /usr/lib64/qt5/plugins/org.kde.kwin.platforms/KWinX11Platform.so
#20 0x00007fcc3901706a in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /lib64/libkwin.so.5
#21 0x00007fcc2f0b9534 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /lib64/libQt5Core.so.5
#22 0x00007fcc182c1270 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /lib64/libQt5XcbQpa.so.5
#23 0x00007fcc182c1efc in QXcbConnection::processXcbEvents() () at /lib64/libQt5XcbQpa.so.5
#24 0x00007fcc2f0e535a in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#25 0x00007fcc2ff2c92c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#26 0x00007fcc2ff34174 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#27 0x00007fcc2f0bbcd7 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#28 0x00007fcc2f0be45b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#29 0x00007fcc2f10a0da in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#30 0x00007fcc1832304d in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5
#31 0x00007fcc2f0baa3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#32 0x00007fcc2f0c3194 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#33 0x00007fcc3940517b in kdemain () at /lib64/libkdeinit5_kwin_x11.so
#34 0x00007fcc2e1ecf2a in __libc_start_main () at /lib64/libc.so.6
#35 0x0000561e31d1dc1a in _start ()

Reported using DrKonqi