https://bugs.kde.org/show_bug.cgi?id=419733
--- Comment #2 from Patrick Silva <bugsefor...@gmx.com> ---
Thread 10 (Thread 0x7fcbbddcd700 (LWP 14753)):
#0 0x00007fcc1f8f7bf9 in __GI___poll (fds=0x7fcbb8172f80, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fcc1c4745c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fcc1c4746dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fcc2025e0bc in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fcbb823da30, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4 0x00007fcc201fd63a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fcbbddccd80, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#5 0x00007fcc2000e317 in QThread::exec() (this=this@entry=0x55e17d0ac8a0) at
thread/qthread.cpp:536
#6 0x00007fcc13daa605 in QQmlThreadPrivate::run() (this=0x55e17d0ac8a0) at
qml/ftw/qqmlthread.cpp:155
#7 0x00007fcc2000f7ec in QThreadPrivate::start(void*) (arg=0x55e17d0ac8a0)
at thread/qthread_unix.cpp:342
#8 0x00007fcc1f5cb6db in start_thread (arg=0x7fcbbddcd700) at
pthread_create.c:463
#9 0x00007fcc1f90488f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 9 (Thread 0x7fcbca740700 (LWP 14687)):
#0 0x00007fcc1f5d19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55e17cf97258) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007fcc1f5d19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55e17cf97208, cond=0x55e17cf97230) at pthread_cond_wait.c:502
#2 0x00007fcc1f5d19f3 in __pthread_cond_wait (cond=0x55e17cf97230,
mutex=0x55e17cf97208)
at pthread_cond_wait.c:655
#3 0x00007fcbcb59becb in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4 0x00007fcbcb59bac7 in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5 0x00007fcc1f5cb6db in start_thread (arg=0x7fcbca740700) at
pthread_create.c:463
#6 0x00007fcc1f90488f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 8 (Thread 0x7fcbeb5df700 (LWP 14683)):
#0 0x00007fcc1f8f7bf9 in __GI___poll (fds=0x7fcbdc002de0, nfds=1,
timeout=9987)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fcc1c4745c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fcc1c4746dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fcc2025e0bc in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fcbdc000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4 0x00007fcc201fd63a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fcbeb5deda0, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#5 0x00007fcc2000e317 in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:536
#6 0x00007fcc2000f7ec in QThreadPrivate::start(void*) (arg=0x55e17d0b7290)
at thread/qthread_unix.cpp:342
#7 0x00007fcc1f5cb6db in start_thread (arg=0x7fcbeb5df700) at
pthread_create.c:463
#8 0x00007fcc1f90488f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 0x7fcc0f182700 (LWP 14663)):
#0 0x00007fcc1f8f7bf9 in __GI___poll (fds=0x7fcc08002de0, nfds=3, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fcc1c4745c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fcc1c4746dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fcc2025e0bc in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fcc08000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4 0x00007fcc201fd63a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fcc0f181d70, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#5 0x00007fcc2000e317 in QThread::exec() (this=this@entry=0x7fcc20c03da0
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:536
#6 0x00007fcc2098b555 in QDBusConnectionManager::run() (this=0x7fcc20c03da0
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:179
#7 0x00007fcc2000f7ec in QThreadPrivate::start(void*) (arg=0x7fcc20c03da0
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:342
#8 0x00007fcc1f5cb6db in start_thread (arg=0x7fcc0f182700) at
pthread_create.c:463
#9 0x00007fcc1f90488f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7fcc0266d700 (LWP 14670)):
#0 0x00007fcc1f8f7bf9 in __GI___poll (fds=0x7fcbfc01b1c0, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fcc1c4745c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fcc1c474962 in g_main_loop_run () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fcc06155276 in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4 0x00007fcc1c49c175 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fcc1f5cb6db in start_thread (arg=0x7fcc0266d700) at
pthread_create.c:463
#6 0x00007fcc1f90488f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7fcbe90f3700 (LWP 14754)):
#0 0x00007fcc1f5d19f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55e17d38b5c0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007fcc1f5d19f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55e17d38b570, cond=0x55e17d38b598) at pthread_cond_wait.c:502
#2 0x00007fcc1f5d19f3 in __pthread_cond_wait (cond=0x55e17d38b598,
mutex=0x55e17d38b570)
at pthread_cond_wait.c:655
#3 0x00007fcc20015d9b in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55e17d38b570) at thread/qwaitcondition_unix.cpp:146
#4 0x00007fcc20015d9b in QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=<optimized out>, mutex=0x55e17d420650, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#5 0x00007fcc20015f19 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x55e17d420658, mutex=mutex@entry=0x55e17d420650,
time=time@entry=18446744073709551615)
at thread/qwaitcondition_unix.cpp:208
#6 0x00007fcc142fd1d3 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55e17d420648)
at scenegraph/qsgthreadedrenderloop.cpp:255
#7 0x00007fcc142fd1d3 in QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55e17d4205b0) at scenegraph/qsgthreadedrenderloop.cpp:905
#8 0x00007fcc142fd631 in QSGRenderThread::run() (this=0x55e17d4205b0)
at scenegraph/qsgthreadedrenderloop.cpp:1000
#9 0x00007fcc2000f7ec in QThreadPrivate::start(void*) (arg=0x55e17d4205b0)
at thread/qthread_unix.cpp:342
#10 0x00007fcc1f5cb6db in start_thread (arg=0x7fcbe90f3700) at
pthread_create.c:463
#11 0x00007fcc1f90488f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7fcbe9f11700 (LWP 14685)):
#0 0x00007fcc1f8f7bf9 in __GI___poll (fds=0x7fcbd0002de0, nfds=3, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fcc1c4745c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fcc1c4746dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fcc2025e0bc in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7fcbd0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4 0x00007fcc201fd63a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fcbe9f10da0, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#5 0x00007fcc2000e317 in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:536
#6 0x00007fcc2000f7ec in QThreadPrivate::start(void*) (arg=0x55e17d0205c0)
at thread/qthread_unix.cpp:342
#7 0x00007fcc1f5cb6db in start_thread (arg=0x7fcbe9f11700) at
pthread_create.c:463
#8 0x00007fcc1f90488f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7fcc02e6e700 (LWP 14668)):
#0 0x00007fcc1f8f7bf9 in __GI___poll (fds=0x7fcbfc006cb0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fcc1c4745c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fcc1c4746dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fcc1c474721 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fcc1c49c175 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fcc1f5cb6db in start_thread (arg=0x7fcc02e6e700) at
pthread_create.c:463
#6 0x00007fcc1f90488f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7fcc0366f700 (LWP 14667)):
#0 0x00007fcc1f8f7bf9 in __GI___poll (fds=0x55e17d01c760, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fcc1c4745c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fcc1c4746dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fcc0367736d in () at
/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4 0x00007fcc1c49c175 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fcc1f5cb6db in start_thread (arg=0x7fcc0366f700) at
pthread_create.c:463
#6 0x00007fcc1f90488f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7fcc22836800 (LWP 14661)):
#0 0x00007fcc1f821e97 in __GI_raise (sig=sig@entry=11) at
../sysdeps/unix/sysv/linux/raise.c:51
#1 0x00007fcc21723d73 in KCrash::defaultCrashHandler(int) (sig=11) at
./src/kcrash.cpp:478
#2 0x00007fcc1f821f20 in <signal handler called> () at
/lib/x86_64-linux-gnu/libc.so.6
#3 0x00007fcc20053633 in std::__atomic_base<int>::operator++() (this=0x40)
at /usr/include/c++/7/bits/atomic_base.h:296
#4 0x00007fcc20053633 in QAtomicOps<int>::ref<int>(std::atomic<int>&)
(_q_value=...)
at ../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:283
#5 0x00007fcc20053633 in QBasicAtomicInteger<int>::ref() (this=0x40)
at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:118
#6 0x00007fcc20053633 in
QtSharedPointer::ExternalRefCountData::getAndRef(QObject const*)
(obj=obj@entry=0x55e17d115fe0) at tools/qsharedpointer.cpp:1397
#7 0x00007fcc20f7087d in QWeakPointer<QObject>::QWeakPointer<QScreen,
true>(QScreen*, bool) (ptr=0x55e17d115fe0, this=0x55e17d383248)
at ../../include/QtCore/../../src/corelib/tools/qsharedpointer_impl.h:682
#8 0x00007fcc20f7087d in QPointer<QScreen>::QPointer(QScreen*)
(p=0x55e17d115fe0, this=0x55e17d383248) at
../../include/QtCore/../../src/corelib/kernel/qpointer.h:62
#9 0x00007fcc20f7087d in
QWindowSystemInterfacePrivate::WindowScreenChangedEvent::WindowScreenChangedEvent(QWindow*,
QScreen*) (s=0x55e17d115fe0, w=0x55e17cf88f20, this=0x55e17d383220)
at kernel/qwindowsysteminterface_p.h:182
#10 0x00007fcc20f7087d in
QWindowSystemInterface::handleWindowScreenChanged<QWindowSystemInterface::DefaultDelivery>(QWindow*,
QScreen*) (window=0x55e17cf88f20, screen=0x55e17d115fe0)
at kernel/qwindowsysteminterface.cpp:269
#11 0x00007fcc17c546b7 in
QtWaylandClient::QWaylandWindow::handleScreensChanged() (this=0x55e17d3adf20)
at qwaylandwindow.cpp:969
#12 0x00007fcc20239fe7 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7fffa3afa710, r=0x55e17d3adf20, this=<optimized out>)
at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#13 0x00007fcc20239fe7 in doActivate<false>(QObject*, int, void**)
(sender=0x55e17d85ebf0, signal_index=3, argv=0x7fffa3afa710) at
kernel/qobject.cpp:3870
#14 0x00007fcc202348a2 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x55e17d85ebf0, m=m@entry=0x7fcc17f12d20
<QtWaylandClient::QWaylandSurface::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at
kernel/qobject.cpp:3930
#15 0x00007fcc17c72840 in QtWaylandClient::QWaylandSurface::screensChanged()
(this=this@entry=0x55e17d85ebf0) at .moc/moc_qwaylandsurface_p.cpp:155
#16 0x00007fcc17c5a7a4 in
QtWaylandClient::QWaylandSurface::surface_enter(wl_output*)
(this=0x55e17d85ebf0, output=0x55e17d432cb0) at qwaylandsurface.cpp:97
#17 0x00007fcc17148dae in ffi_call_unix64 () at
/usr/lib/x86_64-linux-gnu/libffi.so.6
#18 0x00007fcc1714871f in ffi_call () at /usr/lib/x86_64-linux-gnu/libffi.so.6
#19 0x00007fcc177d7e24 in wl_closure_invoke
(closure=closure@entry=0x7fcbd41e9830, flags=flags@entry=1, target=<optimized
out>, target@entry=0x55e17d39a730, opcode=opcode@entry=0, data=<optimized out>)
at ../src/connection.c:1006
#20 0x00007fcc177d4659 in dispatch_event (display=display@entry=0x55e17ce4ce70,
queue=<optimized out>)
at ../src/wayland-client.c:1427
#21 0x00007fcc177d5b24 in dispatch_queue (queue=0x55e17ce4cf38,
display=0x55e17ce4ce70)
at ../src/wayland-client.c:1573
#22 0x00007fcc177d5b24 in wl_display_dispatch_queue_pending
(display=0x55e17ce4ce70, queue=0x55e17ce4cf38) at ../src/wayland-client.c:1815
#23 0x00007fcc177d5b7c in wl_display_dispatch_pending (display=<optimized out>)
at ../src/wayland-client.c:1878
#24 0x00007fcc17c4c61a in QtWaylandClient::QWaylandDisplay::flushRequests()
(this=0x55e17ce4ccd0)
at qwaylanddisplay.cpp:208
#25 0x00007fcc20239dc9 in doActivate<false>(QObject*, int, void**)
(sender=0x55e17cecb860, signal_index=4, argv=0x7fffa3afac40) at
kernel/qobject.cpp:3882
#26 0x00007fcc202348a2 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x55e17cecb860, m=m@entry=0x7fcc206cc240
<QAbstractEventDispatcher::staticMetaObject>,
local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at
kernel/qobject.cpp:3930
#27 0x00007fcc201fb4b3 in QAbstractEventDispatcher::awake()
(this=this@entry=0x55e17cecb860)
at .moc/moc_qabstracteventdispatcher.cpp:149
#28 0x00007fcc2025e0fb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x55e17cecb860, flags=...) at kernel/qeventdispatcher_glib.cpp:430
#29 0x00007fcc201fd63a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fffa3afad60, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#30 0x00007fcc20206db0 in QCoreApplication::exec() () at
kernel/qcoreapplication.cpp:1400
#31 0x000055e17cb30401 in main(int, char**) (argc=<optimized out>,
argv=<optimized out>)
at ./src/kded.cpp:806
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