Bug 415394

Summary: plasmashell crashes when starting Wayland session
Product: [Plasma] plasmashell Reporter: markus
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: nate, plasma-bugs-null
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.17.4   
Target Milestone: 1.0   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description markus 2019-12-20 13:30:14 UTC 
Application: plasmashell (5.17.4)

Qt Version: 5.13.2
Frameworks Version: 5.65.0
Operating System: Linux 5.4.5-zen1-1-zen x86_64
Distribution: "Arch Linux"

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

Starting Plasma Wayland session, Xorg session does not crash.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f89315fa4c0 (LWP 5341))]

Thread 40 (Thread 0x7f888effd700 (LWP 5981)):
[KCrash Handler]
#6  0x00007f89355d6f25 in raise () at /usr/lib/libc.so.6
#7  0x00007f89355c0897 in abort () at /usr/lib/libc.so.6
#8  0x00007f89359d58f4 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f8931103563 in  () at /usr/lib/libQt5WaylandClient.so.5
#10 0x00007f89311037d9 in QtWaylandClient::QWaylandDisplay::dispatchQueueWhile(wl_event_queue*, std::function<bool ()>, int) () at /usr/lib/libQt5WaylandClient.so.5
#11 0x00007f893110a2b3 in QtWaylandClient::QWaylandWindow::waitForFrameSync(int) () at /usr/lib/libQt5WaylandClient.so.5
#12 0x00007f8930149bcc in  () at /usr/lib/qt/plugins/wayland-graphics-integration-client/libqt-plugin-wayland-egl.so
#13 0x00007f8935fb7ca2 in QOpenGLContext::swapBuffers(QSurface*) () at /usr/lib/libQt5Gui.so.5
#14 0x00007f893769917e in  () at /usr/lib/libQt5Quick.so.5
#15 0x00007f893769d058 in  () at /usr/lib/libQt5Quick.so.5
#16 0x00007f8935a10530 in  () at /usr/lib/libQt5Core.so.5
#17 0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#18 0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 39 (Thread 0x7f888f7fe700 (LWP 5980)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 38 (Thread 0x7f888ffff700 (LWP 5979)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 37 (Thread 0x7f88865ed700 (LWP 5978)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8935a16610 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f8935a16702 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f893769ce3d in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f893769d0ee in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f8935a10530 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 36 (Thread 0x7f8886dee700 (LWP 5977)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 35 (Thread 0x7f88875ef700 (LWP 5976)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 34 (Thread 0x7f888d7db700 (LWP 5964)):
#0  0x00007f893568b42c in read () at /usr/lib/libc.so.6
#1  0x00007f8933f659f0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8933fb39e1 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8933fb50c8 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f8933fb51f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f8935c36b2c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f8935bdd83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f8935a0f305 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f8935a10530 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 33 (Thread 0x7f889ca4d700 (LWP 5931)):
#0  0x00007fffcd97d6bb in  ()
#1  0x00007fffcd97d908 in clock_gettime ()
#2  0x00007f89356a756b in clock_gettime () at /usr/lib/libc.so.6
#3  0x00007f8935c36412 in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f8935c34cfa in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#5  0x00007f8935c352c6 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#6  0x00007f8935c3686f in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f8933fb4a00 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#8  0x00007f8933fb5046 in  () at /usr/lib/libglib-2.0.so.0
#9  0x00007f8933fb51f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#10 0x00007f8935c36b2c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#11 0x00007f8935bdd83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#12 0x00007f8935a0f305 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#13 0x00007f889d26617b in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#14 0x00007f8935a10530 in  () at /usr/lib/libQt5Core.so.5
#15 0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#16 0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 32 (Thread 0x7f889ea10700 (LWP 5676)):
#0  0x00007f893569b52c in recv () at /usr/lib/libc.so.6
#1  0x00007f8935146c27 in  () at /usr/lib/libQt5Network.so.5
#2  0x00007f8935136fc4 in  () at /usr/lib/libQt5Network.so.5
#3  0x00007f8935137803 in QNetworkInterface::allInterfaces() () at /usr/lib/libQt5Network.so.5
#4  0x00007f889edfd50f in  () at /usr/lib/qt/plugins/bearer/libqgenericbearer.so
#5  0x00007f8935bed25d in QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const () at /usr/lib/libQt5Core.so.5
#6  0x00007f8935beeea4 in QMetaObject::invokeMethod(QObject*, char const*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () at /usr/lib/libQt5Core.so.5
#7  0x00007f89351219bb in QNetworkConfigurationManagerPrivate::performAsyncConfigurationUpdate() () at /usr/lib/libQt5Network.so.5
#8  0x00007f8935121c04 in QNetworkConfigurationManagerPrivate::startPolling() () at /usr/lib/libQt5Network.so.5
#9  0x00007f8935121f92 in QNetworkConfigurationManagerPrivate::updateConfigurations() () at /usr/lib/libQt5Network.so.5
#10 0x00007f89351bb2ba in  () at /usr/lib/libQt5Network.so.5
#11 0x00007f8935c0b4fa in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#12 0x00007f8935bded36 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#13 0x00007f8935be1a89 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#14 0x00007f8935c37514 in  () at /usr/lib/libQt5Core.so.5
#15 0x00007f8933fb339e in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#16 0x00007f8933fb51b1 in  () at /usr/lib/libglib-2.0.so.0
#17 0x00007f8933fb51f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#18 0x00007f8935c36b13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#19 0x00007f8935bdd83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#20 0x00007f8935a0f305 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#21 0x00007f8935a10530 in  () at /usr/lib/libQt5Core.so.5
#22 0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#23 0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 31 (Thread 0x7f88bd859700 (LWP 5675)):
#0  0x00007f893568f9ef in poll () at /usr/lib/libc.so.6
#1  0x00007f8933fb5120 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8933fb51f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8935c36b2c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f8935bdd83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f8935a0f305 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f889ee3e47a in  () at /usr/lib/qt/qml/QtQuick/XmlListModel/libqmlxmllistmodelplugin.so
#7  0x00007f8935a10530 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 30 (Thread 0x7f88bd058700 (LWP 5577)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 29 (Thread 0x7f88c4e82700 (LWP 5568)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8935a16610 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f8935a16702 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f893769ce3d in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f893769d0ee in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f8935a10530 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 28 (Thread 0x7f88c5683700 (LWP 5567)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 27 (Thread 0x7f88c5e84700 (LWP 5564)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 26 (Thread 0x7f88c6685700 (LWP 5558)):
#0  0x00007f893568b42c in read () at /usr/lib/libc.so.6
#1  0x00007f8933f659f0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8933fb39e1 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8933fb50c8 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f8933fb51f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f8935c36b2c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f8935bdd83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f8935a0f305 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f893761170b in  () at /usr/lib/libQt5Quick.so.5
#9  0x00007f8935a10530 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 25 (Thread 0x7f88c7fff700 (LWP 5455)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7f88bffff700 (LWP 5454)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7f88e4ff9700 (LWP 5453)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7f88e57fa700 (LWP 5452)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f88e5ffb700 (LWP 5451)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f88e67fc700 (LWP 5450)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f88e6ffd700 (LWP 5449)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f88e77fe700 (LWP 5448)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f88e7fff700 (LWP 5447)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f8904ff9700 (LWP 5446)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f89057fa700 (LWP 5445)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f8905ffb700 (LWP 5444)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f89067fc700 (LWP 5443)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f8906ffd700 (LWP 5442)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f89077fe700 (LWP 5441)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f8907fff700 (LWP 5440)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f891c9bb700 (LWP 5439)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f891d1bc700 (LWP 5438)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f891d9bd700 (LWP 5437)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f891e1be700 (LWP 5436)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f891e9bf700 (LWP 5435)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f891f1c0700 (LWP 5434)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8929364a5c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8929364658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f892b5ef700 (LWP 5360)):
#0  0x00007f893568f9ef in poll () at /usr/lib/libc.so.6
#1  0x00007f8933fb5120 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8933fb51f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8935c36b2c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f8935bdd83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f8935a0f305 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f8937331449 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f8935a10530 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f8930a20700 (LWP 5359)):
#0  0x00007f893568b42c in read () at /usr/lib/libc.so.6
#1  0x00007f8933f659f0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8933fb39e1 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8933fb50c8 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f8933fb51f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f8935c36b2c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f8935bdd83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f8935a0f305 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f89364b0b37 in  () at /usr/lib/libQt5DBus.so.5
#9  0x00007f8935a10530 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f8934efe4cf in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f893569a2d3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f89315fa4c0 (LWP 5341)):
#0  0x00007f8934f04c45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8935a16610 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f8935a16702 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f893769b35e in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f893769c284 in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f893769ca8b in  () at /usr/lib/libQt5Quick.so.5
#6  0x00007f8935f860bd in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#7  0x00007f89377010d3 in QQuickWindow::event(QEvent*) () at /usr/lib/libQt5Quick.so.5
#8  0x00007f8937ea663c in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/libKF5PlasmaQuick.so.5
#9  0x00007f89367214e5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#10 0x00007f893672ae11 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#11 0x00007f8935bded12 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#12 0x00007f8935f7c305 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib/libQt5Gui.so.5
#13 0x00007f8935f7c538 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5
#14 0x00007f8935f56b0c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#15 0x00007f893113e9b1 in  () at /usr/lib/libQt5WaylandClient.so.5
#16 0x00007f8933fb339e in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#17 0x00007f8933fb51b1 in  () at /usr/lib/libglib-2.0.so.0
#18 0x00007f8933fb51f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#19 0x00007f8935c36b13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#20 0x00007f8935bdd83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#21 0x00007f888da3cc20 in  () at /usr/lib/qt/plugins/kf5/kscreen/KSC_KWayland.so
#22 0x00007f888da3bb40 in  () at /usr/lib/qt/plugins/kf5/kscreen/KSC_KWayland.so
#23 0x00007f888da3756f in qt_plugin_instance () at /usr/lib/qt/plugins/kf5/kscreen/KSC_KWayland.so
#24 0x00007f8935bc839b in QPluginLoader::instance() () at /usr/lib/libQt5Core.so.5
#25 0x00007f889f47ba84 in KScreen::BackendManager::loadBackendPlugin(QPluginLoader*, QString const&, QMap<QString, QVariant> const&) () at /usr/lib/libKF5Screen.so.7
#26 0x00007f889f47c132 in KScreen::BackendManager::loadBackendInProcess(QString const&) () at /usr/lib/libKF5Screen.so.7
#27 0x00007f889f487d1b in  () at /usr/lib/libKF5Screen.so.7
#28 0x00007f889f488ac2 in KScreen::GetConfigOperation::start() () at /usr/lib/libKF5Screen.so.7
#29 0x00007f8935c0b4fa in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#30 0x00007f89367214e5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#31 0x00007f893672ae11 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#32 0x00007f8935bded12 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#33 0x00007f8935be1a89 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#34 0x00007f8935c37514 in  () at /usr/lib/libQt5Core.so.5
#35 0x00007f8933fb339e in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#36 0x00007f8933fb51b1 in  () at /usr/lib/libglib-2.0.so.0
#37 0x00007f8933fb51f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#38 0x00007f8935c36b13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#39 0x00007f8935bdd83c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#40 0x00007f8935be5676 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#41 0x00005589b91f5dc9 in  ()
#42 0x00007f89355c2153 in __libc_start_main () at /usr/lib/libc.so.6
#43 0x00005589b91f622e in _start ()
[Inferior 1 (process 5341) detached]

The reporter indicates this bug may be a duplicate of or related to bug 415122, bug 415296, bug 415239.

Possible duplicates by query: bug 415386, bug 415370, bug 415356, bug 415351, bug 415339.

Reported using DrKonqi
Comment 1 David Edmundson 2019-12-22 11:55:18 UTC 

*** This bug has been marked as a duplicate of bug 413480 ***
Comment 2 Nate Graham 2021-10-04 14:25:00 UTC 

*** This bug has been marked as a duplicate of bug 438839 ***