Bug 417006

Summary: KDE crash when using Wayland
Product: [Plasma] plasmashell Reporter: Alejandro Aibar <alexaib>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED UPSTREAM    
Severity: crash CC: annunah, plasma-bugs-null
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.16.5   
Target Milestone: 1.0   
Platform: Compiled Sources   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: New crash information added by DrKonqi

Description Alejandro Aibar 2020-02-01 00:13:26 UTC 
Application: plasmashell (5.16.5)
 (Compiled from sources)
Qt Version: 5.12.4
Frameworks Version: 5.62.0
Operating System: Linux 5.3.0-29-generic x86_64
Distribution: Ubuntu 19.10

-- Information about the crash:
- What I was doing when the application crashed: I was trying to open the KDE dash.

- Unusual behavior I noticed: Every window in the session was covered by some black strange lines. Also, it was randomly closing those windows.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5582a00acb74) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
[Current thread is 1 (Thread 0x7fb434055880 (LWP 4092))]

Thread 12 (Thread 0x7fb3db5ef700 (LWP 5380)):
[KCrash Handler]
#6  0x00007fb43739144a in wl_proxy_marshal_constructor () at /lib/x86_64-linux-gnu/libwayland-client.so.0
#7  0x00007fb4331a685b in QtWaylandClient::QWaylandWindow::handleUpdate() () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#8  0x00007fb431512740 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/wayland-graphics-integration-client/libqt-plugin-wayland-egl.so
#9  0x00007fb437ede7f1 in QOpenGLContext::swapBuffers(QSurface*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007fb43970bcaa in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fb43970f9d8 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007fb4378f0cc2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fb436d73669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#14 0x00007fb437575323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fb3ff36f700 (LWP 5356)):
#0  0x00007fb436d7a2c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55829e76fff4) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fb436d7a2c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55829e76ffa0, cond=0x55829e76ffc8) at pthread_cond_wait.c:508
#2  0x00007fb436d7a2c6 in __pthread_cond_wait (cond=0x55829e76ffc8, mutex=0x55829e76ffa0) at pthread_cond_wait.c:638
#3  0x00007fb4378f6def in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb4378f6ee1 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb43970f7b9 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fb43970fa1a in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb4378f0cc2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb436d73669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#9  0x00007fb437575323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fb3fd2d2700 (LWP 4391)):
#0  0x00007fb436d7a2c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55829dd363b0) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fb436d7a2c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55829dd36360, cond=0x55829dd36388) at pthread_cond_wait.c:508
#2  0x00007fb436d7a2c6 in __pthread_cond_wait (cond=0x55829dd36388, mutex=0x55829dd36360) at pthread_cond_wait.c:638
#3  0x00007fb4378f6def in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb4378f6ee1 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb43970f7b9 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fb43970fa1a in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb4378f0cc2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb436d73669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#9  0x00007fb437575323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fb3ffdfc700 (LWP 4330)):
#0  0x00007fb43629658d in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb436297bac in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb436298efb in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb43629996b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb436299b73 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb437b0f6c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb437ab663b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fb4378efa75 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb40848101c in KCupsConnection::run() () at /lib/x86_64-linux-gnu/libkcupslib.so
#9  0x00007fb4378f0cc2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fb436d73669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#11 0x00007fb437575323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fb41baf3700 (LWP 4324)):
#0  0x00007fb437568c2f in __GI___poll (fds=0x7fb40c009170, nfds=1, timeout=10103) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb436299a3e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb436299b73 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb437b0f6c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb437ab663b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb4378efa75 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb4378f0cc2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fb436d73669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#8  0x00007fb437575323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fb419730700 (LWP 4205)):
#0  0x00007fb436d7a2c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55829c5e16a0) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fb436d7a2c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55829c5e1650, cond=0x55829c5e1678) at pthread_cond_wait.c:508
#2  0x00007fb436d7a2c6 in __pthread_cond_wait (cond=0x55829c5e1678, mutex=0x55829c5e1650) at pthread_cond_wait.c:638
#3  0x00007fb4378f6def in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb4378f6ee1 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb43970f7b9 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fb43970fa1a in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb4378f0cc2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb436d73669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#9  0x00007fb437575323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fb41b2f1700 (LWP 4204)):
#0  0x00007fb437568c2f in __GI___poll (fds=0x7fb404006410, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb436299a3e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb436299b73 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb437b0f6c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb437ab663b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb4378efa75 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb4396878aa in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb4378f0cc2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb436d73669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#9  0x00007fb437575323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fb41c3f6700 (LWP 4197)):
#0  0x00007fb436d7a2c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55829c71fea4) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fb436d7a2c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55829c71fe50, cond=0x55829c71fe78) at pthread_cond_wait.c:508
#2  0x00007fb436d7a2c6 in __pthread_cond_wait (cond=0x55829c71fe78, mutex=0x55829c71fe50) at pthread_cond_wait.c:638
#3  0x00007fb4378f6def in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb4378f6ee1 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb43970f7b9 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fb43970fa1a in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb4378f0cc2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb436d73669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#9  0x00007fb437575323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fb428b5c700 (LWP 4153)):
#0  0x00007fb436d7a2c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55829bf899cc) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fb436d7a2c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55829bf89978, cond=0x55829bf899a0) at pthread_cond_wait.c:508
#2  0x00007fb436d7a2c6 in __pthread_cond_wait (cond=0x55829bf899a0, mutex=0x55829bf89978) at pthread_cond_wait.c:638
#3  0x00007fb429207abb in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fb4292076db in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fb436d73669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#6  0x00007fb437575323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fb4312de700 (LWP 4136)):
#0  0x00007fb4375642ac in __GI___libc_read (nbytes=16, buf=0x7fb4312ddaf0, fd=9) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007fb4375642ac in __GI___libc_read (fd=9, buf=0x7fb4312ddaf0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fb4362e163f in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb43629958e in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb4362999e2 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb436299b73 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fb437b0f6c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fb437ab663b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb4378efa75 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fb4393b2319 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fb4378f0cc2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fb436d73669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#12 0x00007fb437575323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fb432808700 (LWP 4120)):
#0  0x00007fb4362e5c3d in g_mutex_lock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb436298e5b in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb43629996b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb436299b73 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb437b0f6c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb437ab663b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb4378efa75 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fb4383d4efa in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fb4378f0cc2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fb436d73669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#10 0x00007fb437575323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fb434055880 (LWP 4092)):
#0  0x00007fb436d7a2c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5582a00acb74) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007fb436d7a2c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5582a00acb20, cond=0x5582a00acb48) at pthread_cond_wait.c:508
#2  0x00007fb436d7a2c6 in __pthread_cond_wait (cond=0x5582a00acb48, mutex=0x5582a00acb20) at pthread_cond_wait.c:638
#3  0x00007fb4378f6def in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb4378f6ee1 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb43970cf18 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fb43970d01c in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb437eacb3d in QWindow::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#8  0x00007fb43977067f in QQuickWindow::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fb438653a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007fb43865ce00 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007fb437ab7a9a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fb437eac72f in QWindowPrivate::setVisible(bool) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007fb437eabb87 in QWindowPrivate::destroy() () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#14 0x00007fb437eacbdc in QWindow::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007fb43977067f in QQuickWindow::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007fb438653a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007fb43865ce00 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007fb437ab7a9a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fb437e9ecb5 in QGuiApplicationPrivate::processCloseEvent(QWindowSystemInterfacePrivate::CloseEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007fb437ea3622 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#21 0x00007fb437e7d755 in bool QWindowSystemInterfacePrivate::handleWindowSystemEvent<QWindowSystemInterface::SynchronousDelivery>(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#22 0x00007fb437e90b1f in QPlatformWindow::close() () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#23 0x00007fb40a64f33d in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#24 0x00007fb40a66b7db in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#25 0x00007fb40a66f723 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#26 0x00007fb4392ff6cf in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#27 0x00007fb4393554e5 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007fb439257723 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007fb439258e99 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007fb439259bbc in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007fb4392757e8 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007fb439278857 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#33 0x00007fb439206093 in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#34 0x00007fb43937d457 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#35 0x00007fb439321bcf in QQmlBoundSignalExpression::evaluate(void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#36 0x00007fb439322d8b in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#37 0x00007fb439360053 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#38 0x00007fb439303f62 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#39 0x00007fb437ae2d53 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007fb4397ea0d6 in QQuickMouseArea::clicked(QQuickMouseEvent*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#41 0x00007fb4397eba3f in QQuickMouseArea::setPressed(Qt::MouseButton, bool, Qt::MouseEventSource) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#42 0x00007fb4397ecb13 in QQuickMouseArea::mouseReleaseEvent(QMouseEvent*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#43 0x00007fb439752d98 in QQuickItem::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#44 0x00007fb438653a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007fb43865ce00 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007fb437ab7a9a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#47 0x00007fb43976d33d in QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#48 0x00007fb43976e58f in QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#49 0x00007fb43976f2df in QQuickWindowPrivate::handleMouseEvent(QMouseEvent*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#50 0x00007fb437eacb3d in QWindow::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#51 0x00007fb43977067f in QQuickWindow::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#52 0x000055829adfa90f in  ()
#53 0x00007fb438653a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#54 0x00007fb43865ce00 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#55 0x00007fb437ab7a9a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#56 0x00007fb437ea1d73 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#57 0x00007fb437ea35fb in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#58 0x00007fb437e7d26b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#59 0x00007fb4331db904 in  () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#60 0x00007fb43629984d in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#61 0x00007fb436299ad0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#62 0x00007fb436299b73 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#63 0x00007fb437b0f6a5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#64 0x00007fb437ab663b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#65 0x00007fb437abe3a6 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#66 0x000055829ade9774 in  ()
#67 0x00007fb43747a1e3 in __libc_start_main (main=0x55829ade8c20, argc=1, argv=0x7ffe9e8ac718, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe9e8ac708) at ../csu/libc-start.c:308
#68 0x000055829ade9bfe in _start ()
[Inferior 1 (process 4092) detached]

Reported using DrKonqi
Comment 1 annunah 2020-02-14 01:04:47 UTC 
Created attachment 125995 [details]
New crash information added by DrKonqi

plasmashell (5.18.0) using Qt 5.12.4

- What I was doing when the application crashed:


- Unusual behavior I noticed: Every window in the session was covered by some black strange lines. Also, it was randomly closing those windows.

-- Backtrace (Reduced):
#6  0x00007f26a739a44a in wl_proxy_marshal_constructor () at /lib/x86_64-linux-gnu/libwayland-client.so.0
#7  0x00007f26a3e9d85b in QtWaylandClient::QWaylandWindow::handleUpdate() () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#8  0x00007f26a1415740 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/wayland-graphics-integration-client/libqt-plugin-wayland-egl.so
#9  0x00007f26a7ee77f1 in QOpenGLContext::swapBuffers(QSurface*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007f26a9599caa in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5