https://bugs.kde.org/show_bug.cgi?id=418616

            Bug ID: 418616
           Summary: plasmashell crash after arch update
           Product: plasmashell
           Version: master
          Platform: unspecified
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: kde_...@dlk.pl
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.18.2)

Qt Version: 5.14.1
Frameworks Version: 5.67.0
Operating System: Linux 5.5.8-arch1-1 x86_64
Windowing system: X11
Distribution: Antergos Linux

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

- Problem resolved by from .config/kdeglobals
[QtQuickRendererSettings]
SceneGraphBackend=software

The crash can be reproduced every time.

-- Backtrace:
Application: Plazma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f780e312840 (LWP 27066))]

Thread 8 (Thread 0x7f77a7fff700 (LWP 27075)):
#0  0x00007f78126174fc in read () at /usr/lib/libc.so.6
#1  0x00007f7810e6b8c0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f7810ebb001 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f7810ebc748 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f7810ebc871 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007f7812bd40ec in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007f7812b7a57c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f781299ee62 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f781299ffd6 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f7811ddf46f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f78126263d3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f77ac9fd700 (LWP 27074)):
#0  0x00007f7811de5cf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f78127b6ea1 in __gthread_cond_wait (__mutex=<optimized out>,
__cond=<optimized out>) at
/build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait(std::unique_lock<std::mutex>&)
(this=<optimized out>, __lock=...) at
/build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007f77efecc00d in WTF::ParkingLot::parkConditionally(void const*,
std::function<bool ()>, std::function<void ()>,
std::chrono::time_point<std::chrono::_V2::steady_clock,
std::chrono::duration<long, std::ratio<1l, 1000000000l> > >) () at
/usr/lib/libQt5WebKit.so.5
#4  0x00007f77f0703f28 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007f77f0705901 in  () at /usr/lib/libQt5WebKit.so.5
#6  0x00007f77efece71a in  () at /usr/lib/libQt5WebKit.so.5
#7  0x00007f77efef17bb in  () at /usr/lib/libQt5WebKit.so.5
#8  0x00007f7811ddf46f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f78126263d3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f77ad1fe700 (LWP 27073)):
#0  0x00007f78126174fc in read () at /usr/lib/libc.so.6
#1  0x00007f7810e6b8c0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f7810ebb001 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f7810ebc748 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f7810ebc871 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007f7812bd40ec in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007f7812b7a57c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f781299ee62 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f781299ffd6 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f7811ddf46f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f78126263d3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f77ad9ff700 (LWP 27072)):
#0  0x00007f781261babf in poll () at /usr/lib/libc.so.6
#1  0x00007f7810ebc7a0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f7810ebc871 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f7812bd40ec in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f7812b7a57c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f781299ee62 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f781299ffd6 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f7811ddf46f in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f78126263d3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f77eec83700 (LWP 27071)):
#0  0x00007f7811de5cf5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f78127b6ea1 in __gthread_cond_wait (__mutex=<optimized out>,
__cond=<optimized out>) at
/build/gcc/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:865
#2  std::condition_variable::wait(std::unique_lock<std::mutex>&)
(this=<optimized out>, __lock=...) at
/build/gcc/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007f77f14fb5bb in  () at /usr/lib/libQt5WebKit.so.5
#4  0x00007f77f14fb6d9 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007f78127bcbc4 in std::execute_native_thread_routine(void*)
(__p=0x55777546b4c0) at /build/gcc/src/gcc/libstdc++-v3/src/c++11/thread.cc:80
#6  0x00007f7811ddf46f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f78126263d3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f7806dee700 (LWP 27069)):
#0  0x00007f781261babf in poll () at /usr/lib/libc.so.6
#1  0x00007f7810ebc7a0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f7810ebc871 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f7812bd40ec in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f7812b7a57c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f781299ee62 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f781439af89 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f781299ffd6 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f7811ddf46f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f78126263d3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f7807fff700 (LWP 27068)):
#0  0x00007f781261babf in poll () at /usr/lib/libc.so.6
#1  0x00007f7810ebc7a0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f7810ebc871 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f7812bd40ec in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f7812b7a57c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f781299ee62 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f7813c76b28 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f781299ffd6 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f7811ddf46f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f78126263d3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f780e312840 (LWP 27066)):
[KCrash Handler]
#6  0x00007f7812f82340 in QOpenGLContext::shareGroup() const () at
/usr/lib/libQt5Gui.so.5
#7  0x00007f78132ca2d6 in  () at /usr/lib/libQt5Gui.so.5
#8  0x00007f78132ca4db in QOpenGLFunctions::initializeOpenGLFunctions() () at
/usr/lib/libQt5Gui.so.5
#9  0x00007f77f09877fc in  () at /usr/lib/libQt5WebKit.so.5
#10 0x00007f77f098954d in  () at /usr/lib/libQt5WebKit.so.5
#11 0x00007f77f090cad7 in  () at /usr/lib/libQt5WebKit.so.5
#12 0x00007f77f090d1f0 in  () at /usr/lib/libQt5WebKit.so.5
#13 0x00007f77f09004fe in  () at /usr/lib/libQt5WebKit.so.5
#14 0x00007f77f13d92e3 in  () at /usr/lib/libQt5WebKit.so.5
#15 0x00007f77f141dc58 in  () at /usr/lib/libQt5WebKit.so.5
#16 0x00007f7814711863 in QSGSoftwareRenderableNode::renderNode(QPainter*,
bool) () at /usr/lib/libQt5Quick.so.5
#17 0x00007f7814706e40 in QSGAbstractSoftwareRenderer::renderNodes(QPainter*)
() at /usr/lib/libQt5Quick.so.5
#18 0x00007f7814719a0d in QSGSoftwareRenderer::render() () at
/usr/lib/libQt5Quick.so.5
#19 0x00007f7814681832 in QSGRenderer::renderScene(QSGBindable const&) () at
/usr/lib/libQt5Quick.so.5
#20 0x00007f7814719748 in QSGSoftwareRenderer::renderScene(unsigned int) () at
/usr/lib/libQt5Quick.so.5
#21 0x00007f781475b3a1 in QQuickWindowPrivate::renderSceneGraph(QSize const&,
QSize const&) () at /usr/lib/libQt5Quick.so.5
#22 0x00007f781471abb4 in  () at /usr/lib/libQt5Quick.so.5
#23 0x00007f781471bb0a in  () at /usr/lib/libQt5Quick.so.5
#24 0x00007f7812f4f97d in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#25 0x00007f7814769183 in QQuickWindow::event(QEvent*) () at
/usr/lib/libQt5Quick.so.5
#26 0x00007f7813672362 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#27 0x00007f781367b819 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#28 0x00007f7812b7ba12 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#29 0x00007f7812f45962 in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() at /usr/lib/libQt5Gui.so.5
#30 0x00007f7812f45ba0 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib/libQt5Gui.so.5
#31 0x00007f7812f1ebcc in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/libQt5Gui.so.5
#32 0x00007f780dc37bcc in  () at /usr/lib/libQt5XcbQpa.so.5
#33 0x00007f7810eba9be in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#34 0x00007f7810ebc831 in  () at /usr/lib/libglib-2.0.so.0
#35 0x00007f7810ebc871 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#36 0x00007f7812bd40d0 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#37 0x00007f7812b7a57c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#38 0x00007f7812b82586 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#39 0x00005577735ad018 in  ()
#40 0x00007f781254e023 in __libc_start_main () at /usr/lib/libc.so.6
#41 0x00005577735ad23e in _start ()
[Inferior 1 (process 27066) detached]

Reported using DrKonqi

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