https://bugs.kde.org/show_bug.cgi?id=373514
Bug ID: 373514
Summary: kwin_wayland crashes after Alt+Tab
Product: kwin
Version: 5.8.4
Platform: Debian unstable
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: sha...@ukr.net
Target Milestone: ---
i have launched Plasma waylaid session from dddm, fired console and chromium,
then pressed Alt+Tab and kwin crashed with the following backtrace (obtained by
connecting with gdb in remote ssh session):
#0 0x00007faf781879f8 in QOpenGLContext::format() const () from
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#1 0x00007faf7982b9c3 in
QSGBatchRenderer::Renderer::Renderer(QSGRenderContext*) () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#2 0x00007faf79849ed1 in QSGRenderContext::createRenderer() () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3 0x00007faf79892d48 in QQuickWindowPrivate::syncSceneGraph() () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4 0x00007faf7985f908 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5 0x00007faf79860bc8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007faf78158865 in QWindow::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#7 0x00007faf7989ccb5 in QQuickWindow::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8 0x00007faec207428b in PlasmaQuick::Dialog::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#9 0x00007faf7e620b2c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007faf7e6282e1 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007faf7e272090 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007faf7814daed in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007faf7814e6fd in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#14 0x00007faf7812c61b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007faf7812d1e0 in
QWindowSystemInterface::flushWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007faf7813bf08 in QPlatformWindow::setVisible(bool) () from
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#17 0x00007faf7815632b in QWindow::setVisible(bool) () from
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007faec20707a4 in PlasmaQuick::Dialog::setVisible(bool) () from
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#19 0x00007faec2073ac8 in ?? () from
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#20 0x00007faec20751cb in PlasmaQuick::Dialog::qt_metacall(QMetaObject::Call,
int, void**) () from /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#21 0x00007faf79318ee2 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData
const&, QVariant const&, QQmlContextData*,
QFlags<QQmlPropertyPrivate::WriteFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007faf7931a623 in QQmlPropertyPrivate::writeValueProperty(QObject*,
QQmlPropertyData const&, QVariant const&, QQmlContextData*,
QFlags<QQmlPropertyPrivate::WriteFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007faf79386e45 in QQmlBinding::write(QQmlPropertyData const&,
QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x00007faf79387eb7 in
QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#25 0x00007faf7938891e in QQmlBinding::refresh() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#26 0x00007faf7935d884 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#27 0x00007faf793085ac in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007faf7e29e3a4 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007faf7fb7376d in ?? () from /usr/lib/x86_64-linux-gnu/libkwin.so.5
#30 0x00007faf7fb739e9 in ?? () from /usr/lib/x86_64-linux-gnu/libkwin.so.5
#31 0x00007faf7e29dc89 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007faf7e2aa608 in QTimer::timerEvent(QTimerEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007faf7e29eaf3 in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007faf7e620b2c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007faf7e6282e1 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007faf7e272090 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007faf7e2c567e in QTimerInfoList::activateTimers() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007faf7e2c358a in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007faf6849486d in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/KWinQpaPlugin.so
#40 0x00007faf7e27007a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007faf7e2787ec in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x000055caa7b2f920 in ?? ()
#43 0x00007faf7d6c12b1 in __libc_start_main (main=0x55caa7b2df60, argc=4,
argv=0x7ffc5d8bf508, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>,
stack_end=0x7ffc5d8bf4f8) at ../csu/libc-start.c:291
#44 0x000055caa7b3006a in _start ()
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