Bug 429026

Summary: Plasmashell crashed on wayland startup
Product: [Plasma] plasmashell Reporter: bug2017
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: jodr666, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.20.2   
Target Milestone: 1.0   
Platform: Gentoo Packages   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description bug2017 2020-11-12 18:13:52 UTC 
Application: plasmashell (5.20.2)

Qt Version: 5.15.1
Frameworks Version: 5.75.0
Operating System: Linux 5.8.8-gentoo-x86_64 x86_64
Windowing system: Wayland
Distribution: Gentoo/Linux

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

Starting a plasma wayland instead X11 session with a few programs starting up. 
 the crash a few issues (in case they are related):
Notebook has a 4k screen.
Window decoration (Plastik) did not show up.
Gigantic mousepointer
Panel has doubled height compared to X11
chrome and kicad unsharp upscales, firefox is fine

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Content of s_kcrashErrorMessage: (null)
[New LWP 1656]
[New LWP 1711]
[New LWP 1718]
[New LWP 1719]
[New LWP 1720]
[New LWP 1721]
[New LWP 1755]
[New LWP 1759]
[New LWP 1760]
[New LWP 1761]
[New LWP 1762]
[New LWP 1765]
[New LWP 1772]
[New LWP 1797]
[New LWP 1800]
[New LWP 1804]
[New LWP 1818]
[New LWP 1819]
[New LWP 1820]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
futex_wait_cancelable (private=0, expected=0, futex_word=0x55f5656b2410) at ../sysdeps/nptl/futex-internal.h:183
[Current thread is 1 (Thread 0x7feba6bbe7c0 (LWP 1635))]

Thread 20 (Thread 0x7feb4a6fc640 (LWP 1820)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7feb4a6fbca0, clockid=1248836640, expected=0, futex_word=0x7feb541700f4) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7feb4a6fbca0, clockid=1248836640, mutex=0x7feb541700a0, cond=0x7feb541700c8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7feb541700c8, mutex=0x7feb541700a0, abstime=0x7feb4a6fbca0) at pthread_cond_wait.c:656
#3  0x00007febaa788cd5 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (deadline=..., this=0x7feb541700a0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x7feb541700a0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x7feb542dd920, mutex=0x55f563908eb8, deadline=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:225
#6  0x00007febaa786eea in QThreadPoolThread::run() (this=0x7feb542dd910) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x7feb542dd910) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007feba97e7e6e in start_thread (arg=0x7feb4a6fc640) at pthread_create.c:463
#9  0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7feb4aefd640 (LWP 1819)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7feb4aefcca0, clockid=1257229344, expected=0, futex_word=0x7feb541ab2b4) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7feb4aefcca0, clockid=1257229344, mutex=0x7feb541ab260, cond=0x7feb541ab288) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7feb541ab288, mutex=0x7feb541ab260, abstime=0x7feb4aefcca0) at pthread_cond_wait.c:656
#3  0x00007febaa788cd5 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (deadline=..., this=0x7feb541ab260) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x7feb541ab260) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x7feb5449cea0, mutex=0x55f563908eb8, deadline=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:225
#6  0x00007febaa786eea in QThreadPoolThread::run() (this=0x7feb5449ce90) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x7feb5449ce90) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007feba97e7e6e in start_thread (arg=0x7feb4aefd640) at pthread_create.c:463
#9  0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7feb4b6fe640 (LWP 1818)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7feb4b6fdca0, clockid=1265622048, expected=0, futex_word=0x7feb540d0844) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7feb4b6fdca0, clockid=1265622048, mutex=0x7feb540d07f0, cond=0x7feb540d0818) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7feb540d0818, mutex=0x7feb540d07f0, abstime=0x7feb4b6fdca0) at pthread_cond_wait.c:656
#3  0x00007febaa788cd5 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (deadline=..., this=0x7feb540d07f0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x7feb540d07f0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x7feb54241db0, mutex=0x55f563908eb8, deadline=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:225
#6  0x00007febaa786eea in QThreadPoolThread::run() (this=0x7feb54241da0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x7feb54241da0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007feba97e7e6e in start_thread (arg=0x7feb4b6fe640) at pthread_create.c:463
#9  0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7feb4bfff640 (LWP 1804)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:49
#7  0x00007febaa2b5536 in __GI_abort () at abort.c:79
#8  0x00007febaa74bca7 in qt_message_fatal (message=<synthetic pointer>..., context=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/global/qlogging.cpp:1914
#9  QMessageLogger::fatal(char const*, ...) const (this=this@entry=0x7feb4bffea70, msg=msg@entry=0x7feba6b250b8 "The Wayland connection broke. Did the Wayland compositor die?") at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/global/qlogging.cpp:893
#10 0x00007feba6aa2da9 in QtWaylandClient::QWaylandDisplay::checkError() const (this=<optimized out>) at /usr/include/qt5/QtCore/qlogging.h:90
#11 QtWaylandClient::QWaylandDisplay::checkError() const (this=<optimized out>) at /var/tmp/portage/dev-qt/qtwayland-5.15.1/work/qtwayland-everywhere-src-5.15.1/src/client/qwaylanddisplay.cpp:204
#12 0x00007feba6ab0d2d in QtWaylandClient::QWaylandDisplay::dispatchQueueWhile(wl_event_queue*, std::function<bool ()>, int) (this=0x55f5630fad20, queue=0x55f5651270e0, condition=..., timeout=timeout@entry=100) at /var/tmp/portage/dev-qt/qtwayland-5.15.1/work/qtwayland-everywhere-src-5.15.1/src/client/qwaylanddisplay.cpp:260
#13 0x00007feba6ab5d20 in QtWaylandClient::QWaylandWindow::waitForFrameSync(int) (this=0x55f565127ef0, timeout=100) at /usr/lib/gcc/x86_64-pc-linux-gnu/10.2.0/include/g++-v10/new:175
#14 0x00007feb9ffd9012 in QtWaylandClient::QWaylandGLContext::swapBuffers(QPlatformSurface*) (this=0x7feb500d7630, surface=<optimized out>) at /var/tmp/portage/dev-qt/qtwayland-5.15.1/work/qtwayland-everywhere-src-5.15.1/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp:492
#15 0x00007febac257cec in QSGRenderThread::syncAndRender(QImage*) (this=0x55f564a785d0, grabImage=0x0) at /var/tmp/portage/dev-qt/qtdeclarative-5.15.1/work/qtdeclarative-everywhere-src-5.15.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:870
#16 0x00007febac258467 in QSGRenderThread::run() (this=0x55f564a785d0) at /var/tmp/portage/dev-qt/qtdeclarative-5.15.1/work/qtdeclarative-everywhere-src-5.15.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1043
#17 0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x55f564a785d0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#18 0x00007feba97e7e6e in start_thread (arg=0x7feb4bfff640) at pthread_create.c:463
#19 0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7feb5a5ee640 (LWP 1800)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7feb5a5edca0, clockid=1516166176, expected=0, futex_word=0x55f564d7a434) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7feb5a5edca0, clockid=1516166176, mutex=0x55f564d7a3e0, cond=0x55f564d7a408) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55f564d7a408, mutex=0x55f564d7a3e0, abstime=0x7feb5a5edca0) at pthread_cond_wait.c:656
#3  0x00007febaa788cd5 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (deadline=..., this=0x55f564d7a3e0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x55f564d7a3e0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x55f564cc76b0, mutex=0x55f563908eb8, deadline=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:225
#6  0x00007febaa786eea in QThreadPoolThread::run() (this=0x55f564cc76a0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x55f564cc76a0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007feba97e7e6e in start_thread (arg=0x7feb5a5ee640) at pthread_create.c:463
#9  0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7feb5b5ef640 (LWP 1797)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55f5661ab2b4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f5661ab260, cond=0x55f5661ab288) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f5661ab288, mutex=0x55f5661ab260) at pthread_cond_wait.c:638
#3  0x00007febaa788d6b in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x55f5661ab260) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x55f5661ab1d8, mutex=mutex@entry=0x55f5661ab1d0, deadline=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:225
#5  0x00007febac256037 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x55f5661ab1c8) at /usr/include/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x55f5661ab130) at /var/tmp/portage/dev-qt/qtdeclarative-5.15.1/work/qtdeclarative-everywhere-src-5.15.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007febac2584a9 in QSGRenderThread::run() (this=0x55f5661ab130) at /var/tmp/portage/dev-qt/qtdeclarative-5.15.1/work/qtdeclarative-everywhere-src-5.15.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x55f5661ab130) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#9  0x00007feba97e7e6e in start_thread (arg=0x7feb5b5ef640) at pthread_create.c:463
#10 0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7feb710b1640 (LWP 1772)):
#0  g_mutex_unlock (mutex=0x7feb60000c20) at ../glib-2.66.2/glib/gthread-posix.c:1497
#1  0x00007feba8f64f83 in g_main_context_prepare (context=context@entry=0x7feb60000c20, priority=priority@entry=0x7feb710b0bf0) at ../glib-2.66.2/glib/gmain.c:3641
#2  0x00007feba8f6599b in g_main_context_iterate (context=context@entry=0x7feb60000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib-2.66.2/glib/gmain.c:4072
#3  0x00007feba8f65b8f in g_main_context_iteration (context=0x7feb60000c20, may_block=may_block@entry=1) at ../glib-2.66.2/glib/gmain.c:4157
#4  0x00007febaa95620b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7feb60000b60, flags=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#5  0x00007febaa909e13 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7feb710b0d40, flags=..., flags@entry=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007febaa782337 in QThread::exec() (this=<optimized out>) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x55f564d932a0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007feba97e7e6e in start_thread (arg=0x7feb710b1640) at pthread_create.c:463
#9  0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7feb721f0640 (LWP 1765)):
#0  0x00007feba8fb65b9 in g_mutex_lock (mutex=mutex@entry=0x7feb5c000c20) at ../glib-2.66.2/glib/gthread-posix.c:1485
#1  0x00007feba8f64f9a in g_main_context_prepare (context=context@entry=0x7feb5c000c20, priority=priority@entry=0x7feb721efbb0) at ../glib-2.66.2/glib/gmain.c:3654
#2  0x00007feba8f6599b in g_main_context_iterate (context=context@entry=0x7feb5c000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib-2.66.2/glib/gmain.c:4072
#3  0x00007feba8f65b8f in g_main_context_iteration (context=0x7feb5c000c20, may_block=may_block@entry=1) at ../glib-2.66.2/glib/gmain.c:4157
#4  0x00007febaa95620b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7feb5c000b60, flags=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#5  0x00007febaa909e13 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7feb721efd00, flags=..., flags@entry=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007febaa782337 in QThread::exec() (this=this@entry=0x55f564aa41c0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007feb72719d48 in KCupsConnection::run() (this=0x55f564aa41c0) at /var/tmp/portage/kde-apps/print-manager-20.08.3/work/print-manager-20.08.3/libkcups/KCupsConnection.cpp:304
#8  0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x55f564aa41c0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#9  0x00007feba97e7e6e in start_thread (arg=0x7feb721f0640) at pthread_create.c:463
#10 0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7feb7e657640 (LWP 1762)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7feb7e656ca0, clockid=2120576032, expected=0, futex_word=0x55f563cd76e0) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7feb7e656ca0, clockid=2120576032, mutex=0x55f563cd7690, cond=0x55f563cd76b8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55f563cd76b8, mutex=0x55f563cd7690, abstime=0x7feb7e656ca0) at pthread_cond_wait.c:656
#3  0x00007febaa788cd5 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (deadline=..., this=0x55f563cd7690) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x55f563cd7690) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x55f563cd7e20, mutex=0x55f563908eb8, deadline=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:225
#6  0x00007febaa786eea in QThreadPoolThread::run() (this=0x55f563cd7e10) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x55f563cd7e10) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007feba97e7e6e in start_thread (arg=0x7feb7e657640) at pthread_create.c:463
#9  0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7feb7ee58640 (LWP 1761)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7feb7ee57ca0, clockid=2128968736, expected=0, futex_word=0x55f564101970) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7feb7ee57ca0, clockid=2128968736, mutex=0x55f564101920, cond=0x55f564101948) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55f564101948, mutex=0x55f564101920, abstime=0x7feb7ee57ca0) at pthread_cond_wait.c:656
#3  0x00007febaa788cd5 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (deadline=..., this=0x55f564101920) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x55f564101920) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x55f56411f7f0, mutex=0x55f563908eb8, deadline=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:225
#6  0x00007febaa786eea in QThreadPoolThread::run() (this=0x55f56411f7e0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x55f56411f7e0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007feba97e7e6e in start_thread (arg=0x7feb7ee58640) at pthread_create.c:463
#9  0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7feb7f659640 (LWP 1760)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7feb7f658ca0, clockid=2137361440, expected=0, futex_word=0x55f564107600) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7feb7f658ca0, clockid=2137361440, mutex=0x55f5641075b0, cond=0x55f5641075d8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55f5641075d8, mutex=0x55f5641075b0, abstime=0x7feb7f658ca0) at pthread_cond_wait.c:656
#3  0x00007febaa788cd5 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (deadline=..., this=0x55f5641075b0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x55f5641075b0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x55f563548890, mutex=0x55f563908eb8, deadline=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:225
#6  0x00007febaa786eea in QThreadPoolThread::run() (this=0x55f563548880) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/thread/qmutex.h:270
#7  0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x55f563548880) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#8  0x00007feba97e7e6e in start_thread (arg=0x7feb7f659640) at pthread_create.c:463
#9  0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7feb7ffff640 (LWP 1759)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55f563d32784) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f563d32730, cond=0x55f563d32758) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f563d32758, mutex=0x55f563d32730) at pthread_cond_wait.c:638
#3  0x00007febaa788d6b in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x55f563d32730) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x55f563400bb8, mutex=mutex@entry=0x55f563400bb0, deadline=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:225
#5  0x00007febac256037 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x55f563400ba8) at /usr/include/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x55f563400b10) at /var/tmp/portage/dev-qt/qtdeclarative-5.15.1/work/qtdeclarative-everywhere-src-5.15.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007febac2584a9 in QSGRenderThread::run() (this=0x55f563400b10) at /var/tmp/portage/dev-qt/qtdeclarative-5.15.1/work/qtdeclarative-everywhere-src-5.15.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x55f563400b10) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#9  0x00007feba97e7e6e in start_thread (arg=0x7feb7ffff640) at pthread_create.c:463
#10 0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7feb94cf8640 (LWP 1755)):
#0  __GI___libc_read (nbytes=16, buf=0x7feb94cf7ae0, fd=13) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=13, buf=buf@entry=0x7feb94cf7ae0, nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007feba8fb190f in read (__nbytes=16, __buf=0x7feb94cf7ae0, __fd=<optimized out>) at /usr/include/bits/unistd.h:46
#3  g_wakeup_acknowledge (wakeup=0x7feb980039c0) at ../glib-2.66.2/glib/gwakeup.c:210
#4  0x00007feba8f6558b in g_main_context_check (context=context@entry=0x7feb84003400, max_priority=2147483647, fds=fds@entry=0x7feb840056a0, n_fds=n_fds@entry=1) at ../glib-2.66.2/glib/gmain.c:3857
#5  0x00007feba8f65a16 in g_main_context_iterate (context=context@entry=0x7feb84003400, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib-2.66.2/glib/gmain.c:4089
#6  0x00007feba8f65b8f in g_main_context_iteration (context=0x7feb84003400, may_block=may_block@entry=1) at ../glib-2.66.2/glib/gmain.c:4157
#7  0x00007febaa95620b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7feb8402da80, flags=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#8  0x00007febaa909e13 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7feb94cf7d00, flags=..., flags@entry=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qflags.h:141
#9  0x00007febaa782337 in QThread::exec() (this=this@entry=0x55f563cd7050) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qflags.h:121
#10 0x00007febac1ab556 in QQuickPixmapReader::run() (this=0x55f563cd7050) at /var/tmp/portage/dev-qt/qtdeclarative-5.15.1/work/qtdeclarative-everywhere-src-5.15.1/src/quick/util/qquickpixmapcache.cpp:1024
#11 0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x55f563cd7050) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#12 0x00007feba97e7e6e in start_thread (arg=0x7feb94cf8640) at pthread_create.c:463
#13 0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7feb96ffd640 (LWP 1721)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55f5636af948) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f5636af8f8, cond=0x55f5636af920) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f5636af920, mutex=0x55f5636af8f8) at pthread_cond_wait.c:638
#3  0x00007feb9cf465cb in cnd_wait (mtx=0x55f5636af8f8, cond=0x55f5636af920) at ../mesa-20.2.1/include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x55f5636b0db0) at ../mesa-20.2.1/src/util/u_queue.c:289
#5  0x00007feb9cf46097 in impl_thrd_routine (p=<optimized out>) at ../mesa-20.2.1/include/c11/threads_posix.h:87
#6  0x00007feba97e7e6e in start_thread (arg=0x7feb96ffd640) at pthread_create.c:463
#7  0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7feb977fe640 (LWP 1720)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55f5636af948) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f5636af8f8, cond=0x55f5636af920) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f5636af920, mutex=0x55f5636af8f8) at pthread_cond_wait.c:638
#3  0x00007feb9cf465cb in cnd_wait (mtx=0x55f5636af8f8, cond=0x55f5636af920) at ../mesa-20.2.1/include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x55f5636b0d70) at ../mesa-20.2.1/src/util/u_queue.c:289
#5  0x00007feb9cf46097 in impl_thrd_routine (p=<optimized out>) at ../mesa-20.2.1/include/c11/threads_posix.h:87
#6  0x00007feba97e7e6e in start_thread (arg=0x7feb977fe640) at pthread_create.c:463
#7  0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7feb97fff640 (LWP 1719)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55f5636af948) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f5636af8f8, cond=0x55f5636af920) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f5636af920, mutex=0x55f5636af8f8) at pthread_cond_wait.c:638
#3  0x00007feb9cf465cb in cnd_wait (mtx=0x55f5636af8f8, cond=0x55f5636af920) at ../mesa-20.2.1/include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x55f5636b0b80) at ../mesa-20.2.1/src/util/u_queue.c:289
#5  0x00007feb9cf46097 in impl_thrd_routine (p=<optimized out>) at ../mesa-20.2.1/include/c11/threads_posix.h:87
#6  0x00007feba97e7e6e in start_thread (arg=0x7feb97fff640) at pthread_create.c:463
#7  0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7feb9c892640 (LWP 1718)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55f5636af94c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f5636af8f8, cond=0x55f5636af920) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f5636af920, mutex=0x55f5636af8f8) at pthread_cond_wait.c:638
#3  0x00007feb9cf465cb in cnd_wait (mtx=0x55f5636af8f8, cond=0x55f5636af920) at ../mesa-20.2.1/include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x55f563584cd0) at ../mesa-20.2.1/src/util/u_queue.c:289
#5  0x00007feb9cf46097 in impl_thrd_routine (p=<optimized out>) at ../mesa-20.2.1/include/c11/threads_posix.h:87
#6  0x00007feba97e7e6e in start_thread (arg=0x7feb9c892640) at pthread_create.c:463
#7  0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7feba5385640 (LWP 1711)):
#0  g_source_ref (source=0x7feb98004cf0) at ../glib-2.66.2/glib/gmain.c:2179
#1  0x00007feba8f63948 in g_source_iter_next (iter=iter@entry=0x7feba5384b50, source=source@entry=0x7feba5384b48) at ../glib-2.66.2/glib/gmain.c:1060
#2  0x00007feba8f6536f in g_main_context_check (context=context@entry=0x7feb98000c20, max_priority=2147483647, fds=fds@entry=0x7feb98004e60, n_fds=-1523037368, n_fds@entry=1) at ../glib-2.66.2/glib/gmain.c:3892
#3  0x00007feba8f65a16 in g_main_context_iterate (context=context@entry=0x7feb98000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib-2.66.2/glib/gmain.c:4089
#4  0x00007feba8f65b8f in g_main_context_iteration (context=0x7feb98000c20, may_block=may_block@entry=1) at ../glib-2.66.2/glib/gmain.c:4157
#5  0x00007febaa95620b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7feb98000b60, flags=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#6  0x00007febaa909e13 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7feba5384d20, flags=..., flags@entry=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qflags.h:141
#7  0x00007febaa782337 in QThread::exec() (this=this@entry=0x55f563356850) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qflags.h:121
#8  0x00007febabdfba35 in QQmlThreadPrivate::run() (this=0x55f563356850) at /var/tmp/portage/dev-qt/qtdeclarative-5.15.1/work/qtdeclarative-everywhere-src-5.15.1/src/qml/qml/ftw/qqmlthread.cpp:155
#9  0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x55f563356850) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#10 0x00007feba97e7e6e in start_thread (arg=0x7feba5385640) at pthread_create.c:463
#11 0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7feba65de640 (LWP 1656)):
#0  __GI___libc_read (nbytes=16, buf=0x7feba65ddad0, fd=5) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=5, buf=buf@entry=0x7feba65ddad0, nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007feba8fb190f in read (__nbytes=16, __buf=0x7feba65ddad0, __fd=<optimized out>) at /usr/include/bits/unistd.h:46
#3  g_wakeup_acknowledge (wakeup=0x55f56313d7c0) at ../glib-2.66.2/glib/gwakeup.c:210
#4  0x00007feba8f6558b in g_main_context_check (context=context@entry=0x7feba0000c20, max_priority=2147483647, fds=fds@entry=0x7feba0005240, n_fds=n_fds@entry=1) at ../glib-2.66.2/glib/gmain.c:3857
#5  0x00007feba8f65a16 in g_main_context_iterate (context=context@entry=0x7feba0000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib-2.66.2/glib/gmain.c:4089
#6  0x00007feba8f65b8f in g_main_context_iteration (context=0x7feba0000c20, may_block=may_block@entry=1) at ../glib-2.66.2/glib/gmain.c:4157
#7  0x00007febaa95620b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7feba0000b60, flags=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/kernel/qeventdispatcher_glib.cpp:425
#8  0x00007febaa909e13 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7feba65ddcf0, flags=..., flags@entry=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qflags.h:141
#9  0x00007febaa782337 in QThread::exec() (this=<optimized out>) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qflags.h:121
#10 0x00007febaabe3a17 in QDBusConnectionManager::run() (this=0x7febaac50d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /var/tmp/portage/dev-qt/qtdbus-5.15.1/work/qtbase-everywhere-src-5.15.1/src/dbus/qdbusconnection.cpp:179
#11 0x00007febaa78351c in QThreadPrivate::start(void*) (arg=0x7febaac50d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qthread_unix.cpp:329
#12 0x00007feba97e7e6e in start_thread (arg=0x7feba65de640) at pthread_create.c:463
#13 0x00007febaa38b93f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7feba6bbe7c0 (LWP 1635)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55f5656b2410) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f5656b23c0, cond=0x55f5656b23e8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f5656b23e8, mutex=0x55f5656b23c0) at pthread_cond_wait.c:638
#3  0x00007febaa788d6b in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x55f5656b23c0) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x55f564a78628, deadline=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/thread/qwaitcondition_unix.cpp:225
#5  0x00007febac25a108 in QSGThreadedRenderLoop::polishAndSync(QSGThreadedRenderLoop::Window*, bool) (this=this@entry=0x55f5636ae480, w=w@entry=0x55f5651ab330, inExpose=inExpose@entry=true) at /usr/include/qt5/QtCore/qdeadlinetimer.h:68
#6  0x00007febac25ad62 in QSGThreadedRenderLoop::handleExposure(QQuickWindow*) (this=0x55f5636ae480, window=<optimized out>) at /var/tmp/portage/dev-qt/qtdeclarative-5.15.1/work/qtdeclarative-everywhere-src-5.15.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1373
#7  0x00007febaadded75 in QWindow::event(QEvent*) (this=this@entry=0x55f565120810, ev=ev@entry=0x7ffd5df25e00) at /var/tmp/portage/dev-qt/qtgui-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/gui/kernel/qwindow.cpp:2438
#8  0x00007febac2c0cc3 in QQuickWindow::event(QEvent*) (this=this@entry=0x55f565120810, e=e@entry=0x7ffd5df25e00) at /var/tmp/portage/dev-qt/qtdeclarative-5.15.1/work/qtdeclarative-everywhere-src-5.15.1/src/quick/items/qquickwindow.cpp:1878
#9  0x00007febac940ce3 in PlasmaQuick::Dialog::event(QEvent*) (this=this@entry=0x55f565120810, event=event@entry=0x7ffd5df25e00) at /var/tmp/portage/kde-frameworks/plasma-5.75.0/work/plasma-framework-5.75.0/src/plasmaquick/dialog.cpp:1352
#10 0x00007feb967d8806 in ToolTipDialog::event(QEvent*) (this=0x55f565120810, e=0x7ffd5df25e00) at /var/tmp/portage/kde-frameworks/plasma-5.75.0/work/plasma-framework-5.75.0/src/declarativeimports/core/tooltipdialog.cpp:88
#11 0x00007febab4b514f in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x55f565120810, e=0x7ffd5df25e00) at /var/tmp/portage/dev-qt/qtwidgets-5.15.1/work/qtbase-everywhere-src-5.15.1/src/widgets/kernel/qapplication.cpp:3630
#12 0x00007febaa90b368 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55f565120810, event=0x7ffd5df25e00) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#13 0x00007febaadd5171 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) (e=0x55f5750f1c80) at /var/tmp/portage/dev-qt/qtgui-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/gui/kernel/qguiapplication.cpp:3251
#14 0x00007febaadb600a in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (flags=...) at /var/tmp/portage/dev-qt/qtgui-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/gui/kernel/qwindowsysteminterface.cpp:1175
#15 0x00007feba6ae2280 in userEventSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at /var/tmp/portage/dev-qt/qtgui-5.15.1/work/qtbase-everywhere-src-5.15.1/src/platformsupport/eventdispatchers/qeventdispatcher_glib.cpp:74
#16 0x00007feba8f6582b in g_main_dispatch (context=0x55f56315e460) at ../glib-2.66.2/glib/gmain.c:3325
#17 g_main_context_dispatch (context=0x55f56315e460) at ../glib-2.66.2/glib/gmain.c:4016
#18 0x00007feba8f65ad8 in g_main_context_iterate (context=context@entry=0x55f56315e460, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib-2.66.2/glib/gmain.c:4092
#19 0x00007feba8f65b8f in g_main_context_iteration (context=0x55f56315e460, may_block=may_block@entry=1) at ../glib-2.66.2/glib/gmain.c:4157
#20 0x00007febaa9561f0 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55f56315e130, flags=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#21 0x00007febaa909e13 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffd5df26070, flags=..., flags@entry=...) at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qflags.h:141
#22 0x00007febaa9117b0 in QCoreApplication::exec() () at /var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qflags.h:121
#23 0x000055f563060347 in main(int, char**) (argc=<optimized out>, argv=0x7ffd5df261d0) at /var/tmp/portage/kde-plasma/plasma-workspace-5.20.2/work/plasma-workspace-5.20.2/shell/main.cpp:244
[Inferior 1 (process 1635) detached]

The reporter indicates this bug may be a duplicate of or related to bug 424009, bug 424593.

Possible duplicates by query: bug 428513, bug 428420, bug 428241, bug 427933, bug 427827.

Reported using DrKonqi
Comment 1 bug2017 2020-11-12 19:38:02 UTC 
bug 424009 has the same QSGThreadedRenderLoop::polishAndSync in the backtrace
Comment 2 Tony 2020-11-29 22:31:23 UTC 

*** This bug has been marked as a duplicate of bug 423179 ***