https://bugs.kde.org/show_bug.cgi?id=400788
--- Comment #7 from Patrick Silva <bugsefor...@gmx.com> ---
backtrace generated on neon dev unstable
Thread 1 "kwin_wayland" received signal SIGSEGV, Segmentation fault.
0x000055b8ce7bcd90 in ?? ()
(gdb) thread apply all bt
Thread 9 (Thread 1068.1106):
#0 0x00007fc5efdf59f3 in futex_wait_cancelable (private=<optimized out>,
expected=0,
futex_word=0x7fc5ed81efb8 <QTWTF::pageheap_memory+57592>)
at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0,
mutex=0x7fc5ed81ef68 <QTWTF::pageheap_memory+57512>,
cond=0x7fc5ed81ef90 <QTWTF::pageheap_memory+57552>) at
pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=cond@entry=0x7fc5ed81ef90
<QTWTF::pageheap_memory+57552>,
mutex=mutex@entry=0x7fc5ed81ef68 <QTWTF::pageheap_memory+57512>)
at pthread_cond_wait.c:655
#3 0x00007fc5ed529954 in QTWTF::TCMalloc_PageHeap::scavengerThread (
this=0x7fc5ed810ec0 <QTWTF::pageheap_memory>)
at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4 0x00007fc5ed529999 in QTWTF::TCMalloc_PageHeap::runScavengerThread (
context=<optimized out>)
at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5 0x00007fc5efdef6db in start_thread (arg=0x7fc5ad575700) at
pthread_create.c:463
#6 0x00007fc5ede9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
---Type <return> to continue, or q <return> to quit---
Thread 8 (Thread 1068.1104):
#0 0x00007fc5efdf59f3 in futex_wait_cancelable (private=<optimized out>,
expected=0,
futex_word=0x55b8ce1825d0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x55b8ce182580,
cond=0x55b8ce1825a8)
at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=cond@entry=0x55b8ce1825a8,
mutex=mutex@entry=0x55b8ce182580)
at pthread_cond_wait.c:655
#3 0x00007fc5ee7d094b in QWaitConditionPrivate::wait
(time=18446744073709551615,
this=0x55b8ce182580) at thread/qwaitcondition_unix.cpp:143
#4 QWaitCondition::wait (this=this@entry=0x55b8ce1823c0,
mutex=mutex@entry=0x55b8ce1823b8,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#5 0x00007fc5aed8522b in FileInfoThread::run (this=0x55b8ce1823a8)
at fileinfothread.cpp:227
#6 0x00007fc5ee7cfadb in QThreadPrivate::start (arg=0x55b8ce1823a8)
at thread/qthread_unix.cpp:367
#7 0x00007fc5efdef6db in start_thread (arg=0x7fc5ae577700) at
pthread_create.c:463
#8 0x00007fc5ede9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
---Type <return> to continue, or q <return> to quit---
Thread 7 (Thread 1068.1103):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fc5ee7c3594 in QtLinuxFutex::_q_futex (val3=0, addr2=0x0, val2=0,
val=<optimized out>, op=0, addr=<optimized out>)
at thread/qfutex_p.h:92
#2 QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >
(expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3 futexSemaphoreTryAcquire_loop<false> (timeout=-1, nn=8589934593,
curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4 futexSemaphoreTryAcquire<false> (timeout=-1, n=n@entry=1, u=...) at
thread/qsemaphore.cpp:264
#5 QSemaphore::acquire (this=this@entry=0x55b8ce2476a8, n=n@entry=1) at
thread/qsemaphore.cpp:328
#6 0x00007fc5d67078fb in QtVirtualKeyboard::HunspellWorker::run
(this=0x55b8ce247690) at hunspellworker.cpp:293
#7 0x00007fc5ee7cfadb in QThreadPrivate::start (arg=0x55b8ce247690) at
thread/qthread_unix.cpp:367
#8 0x00007fc5efdef6db in start_thread (arg=0x7fc5aed78700) at
pthread_create.c:463
#9 0x00007fc5ede9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 1068.1102):
#0 0x00007fc5ede92bf9 in __GI___poll (fds=0x7fc5b0004660, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fc5e4e1f539 in ?? () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fc5e4e1f64c in g_main_context_iteration () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fc5ee9f502f in QEventDispatcherGlib::processEvents
(this=0x7fc5b0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007fc5ee99930a in QEventLoop::exec (this=this@entry=0x7fc5b8a94d40,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5 0x00007fc5ee7c4bba in QThread::exec (this=this@entry=0x55b8ce11e3f0) at
thread/qthread.cpp:525
#6 0x00007fc5e8f1d4f5 in QQmlThreadPrivate::run (this=0x55b8ce11e3f0) at
qml/ftw/qqmlthread.cpp:148
#7 0x00007fc5ee7cfadb in QThreadPrivate::start (arg=0x55b8ce11e3f0) at
thread/qthread_unix.cpp:367
#8 0x00007fc5efdef6db in start_thread (arg=0x7fc5b8a95700) at
pthread_create.c:463
#9 0x00007fc5ede9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 1068.1101):
#0 0x00007fc5ede92bf9 in __GI___poll (fds=0x7fc5b4003ce0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fc5e4e1f539 in ?? () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fc5e4e1f64c in g_main_context_iteration () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fc5ee9f502f in QEventDispatcherGlib::processEvents
(this=0x7fc5b4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007fc5ee99930a in QEventLoop::exec (this=this@entry=0x7fc5c2738d40,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5 0x00007fc5ee7c4bba in QThread::exec (this=this@entry=0x55b8cdfad900) at
thread/qthread.cpp:525
#6 0x00007fc5e8f1d4f5 in QQmlThreadPrivate::run (this=0x55b8cdfad900) at
qml/ftw/qqmlthread.cpp:148
---Type <return> to continue, or q <return> to quit---
#7 0x00007fc5ee7cfadb in QThreadPrivate::start (arg=0x55b8cdfad900) at
thread/qthread_unix.cpp:367
#8 0x00007fc5efdef6db in start_thread (arg=0x7fc5c2739700) at
pthread_create.c:463
#9 0x00007fc5ede9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 1068.1071):
#0 0x00007fc5ede92bf9 in __GI___poll (fds=0x7fc5c40046c0, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fc5e4e1f539 in ?? () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fc5e4e1f64c in g_main_context_iteration () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fc5ee9f502f in QEventDispatcherGlib::processEvents
(this=0x7fc5c4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007fc5ee99930a in QEventLoop::exec (this=this@entry=0x7fc5cfffed60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5 0x00007fc5ee7c4bba in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:525
#6 0x00007fc5ee7cfadb in QThreadPrivate::start (arg=0x55b8cd65a440) at
thread/qthread_unix.cpp:367
#7 0x00007fc5efdef6db in start_thread (arg=0x7fc5cffff700) at
pthread_create.c:463
#8 0x00007fc5ede9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 1068.1070):
#0 0x00007fc5ede92bf9 in __GI___poll (fds=0x7fc5c8003ce0, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fc5e4e1f539 in ?? () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fc5e4e1f64c in g_main_context_iteration () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fc5ee9f502f in QEventDispatcherGlib::processEvents
(this=0x7fc5c8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007fc5ee99930a in QEventLoop::exec (this=this@entry=0x7fc5d4f4bd60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5 0x00007fc5ee7c4bba in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:525
#6 0x00007fc5ee7cfadb in QThreadPrivate::start (arg=0x55b8cd65a130) at
thread/qthread_unix.cpp:367
#7 0x00007fc5efdef6db in start_thread (arg=0x7fc5d4f4c700) at
pthread_create.c:463
#8 0x00007fc5ede9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 1068.1069):
#0 0x00007fc5ede92bf9 in __GI___poll (fds=0x7fc5d000c550, nfds=6, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fc5e4e1f539 in ?? () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fc5e4e1f64c in g_main_context_iteration () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fc5ee9f502f in QEventDispatcherGlib::processEvents
(this=0x7fc5d0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007fc5ee99930a in QEventLoop::exec (this=this@entry=0x7fc5d5da3d30,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5 0x00007fc5ee7c4bba in QThread::exec (
---Type <return> to continue, or q <return> to quit---
this=this@entry=0x7fc5efde6d60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:525
#6 0x00007fc5efb6ee45 in QDBusConnectionManager::run (
this=0x7fc5efde6d60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#7 0x00007fc5ee7cfadb in QThreadPrivate::start (
arg=0x7fc5efde6d60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:367
#8 0x00007fc5efdef6db in start_thread (arg=0x7fc5d5da4700) at
pthread_create.c:463
#9 0x00007fc5ede9f88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 1068.1068):
#0 0x000055b8ce7bcd90 in ?? ()
#1 0x00007fc5f0985142 in QtSharedPointer::ExternalRefCountData::destroy
(this=0x55b8ce356b80)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:157
#2 QSharedPointer<KWin::KeepAliveLock>::deref (dd=0x55b8ce356b80)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:465
#3 QSharedPointer<KWin::KeepAliveLock>::deref (this=0x55b8ce4213f8)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:460
#4 QSharedPointer<KWin::KeepAliveLock>::~QSharedPointer (this=0x55b8ce4213f8,
__in_chrg=<optimized out>)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:315
#5 KWin::AniData::~AniData (this=0x55b8ce4213a0, __in_chrg=<optimized out>) at
./libkwineffects/anidata_p.h:74
#6 QList<KWin::AniData>::node_destruct (this=<optimized out>,
to=0x55b8ce7bd380, from=<optimized out>)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:494
#7 QList<KWin::AniData>::dealloc (data=0x55b8ce7bd370, this=<optimized out>)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:865
#8 0x00007fc5f098abc7 in QPair<QList<KWin::AniData>, QRect>::~QPair
(this=<optimized out>, __in_chrg=<optimized out>)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qpair.h:49
#9 QMapNodeBase::callDestructorIfNecessary<QPair<QList<KWin::AniData>, QRect>
> (t=...)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qmap.h:103
#10 QMapNode<KWin::EffectWindow*, QPair<QList<KWin::AniData>, QRect>
>::destroySubTree (this=<optimized out>)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qmap.h:128
#11 QMapData<KWin::EffectWindow*, QPair<QList<KWin::AniData>, QRect> >::destroy
(this=0x55b8ce701230)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qmap.h:248
#12 0x00007fc5f0987671 in QMap<KWin::EffectWindow*, QPair<QList<KWin::AniData>,
QRect> >::~QMap (this=0x55b8ce65a190,
__in_chrg=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qmap.h:339
#13 KWin::AnimationEffectPrivate::~AnimationEffectPrivate (this=0x55b8ce65a190,
__in_chrg=<optimized out>)
---Type <return> to continue, or q <return> to quit---
at ./libkwineffects/kwinanimationeffect.cpp:40
#14 KWin::AnimationEffect::~AnimationEffect (this=0x55b8ce45f630,
__in_chrg=<optimized out>)
at ./libkwineffects/kwinanimationeffect.cpp:72
#15 0x00007fc5f0f87469 in KWin::ScriptedEffect::~ScriptedEffect
(this=0x55b8ce45f630, __in_chrg=<optimized out>)
at ./scripting/scriptedeffect.cpp:609
#16 0x00007fc5f0f47c72 in KWin::EffectsHandlerImpl::unloadAllEffects
(this=this@entry=0x55b8ce428a10) at ./effects.cpp:288
#17 0x00007fc5f0f47d37 in KWin::EffectsHandlerImpl::~EffectsHandlerImpl
(this=0x55b8ce428a10, __in_chrg=<optimized out>)
at ./effects.cpp:271
#18 0x00007fc5f0f47e29 in KWin::EffectsHandlerImpl::~EffectsHandlerImpl
(this=0x55b8ce428a10, __in_chrg=<optimized out>)
at ./effects.cpp:272
#19 0x00007fc5f0f2940f in KWin::Compositor::finish (this=0x55b8cd6ed550) at
./composite.cpp:406
#20 0x00007fc5f0f298ad in KWin::Compositor::slotReinitialize
(this=0x55b8cd6ed550) at ./composite.cpp:502
#21 0x00007fc5f101cdd3 in KWin::Compositor::qt_static_metacall
(_a=0x7ffd4c7f9940, _id=7, _c=QMetaObject::InvokeMetaMethod,
_o=0x55b8cd6ed550) at
./obj-x86_64-linux-gnu/kwin_autogen/EWIEGA46WW/moc_composite.cpp:314
#22 KWin::Compositor::qt_metacall (this=0x55b8cd6ed550,
_c=QMetaObject::InvokeMetaMethod, _id=7, _a=0x7ffd4c7f9940)
at ./obj-x86_64-linux-gnu/kwin_autogen/EWIEGA46WW/moc_composite.cpp:315
#23 0x00007fc5efb79f58 in QDBusConnectionPrivate::deliverCall (this=<optimized
out>, object=<optimized out>, msg=..., metaTypes=...,
slotIdx=<optimized out>) at qdbusintegrator.cpp:991
#24 0x00007fc5ee9cabe2 in QObject::event (this=0x55b8cd6ed550, e=<optimized
out>) at kernel/qobject.cpp:1251
#25 0x00007fc5eef80e1c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
()
from target:/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fc5eef883ef in QApplication::notify(QObject*, QEvent*) () from
target:/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007fc5ee99afe8 in QCoreApplication::notifyInternal2
(receiver=0x55b8cd6ed550, event=event@entry=0x7fc5d0031380)
at kernel/qcoreapplication.cpp:1048
#28 0x00007fc5ee99db2d in QCoreApplication::sendEvent (event=0x7fc5d0031380,
receiver=<optimized out>)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#29 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x55b8cd5ea420) at kernel/qcoreapplication.cpp:1745
#30 0x00007fc5ee9f2274 in QEventDispatcherUNIX::processEvents
(this=0x55b8cd60f670, flags=...) at kernel/qeventdispatcher_unix.cpp:466
#31 0x00007fc5d8964fed in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
()
from target:/usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/KWinQpaPlugin.so
#32 0x00007fc5ee99930a in QEventLoop::exec (this=this@entry=0x7ffd4c7f9e60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#33 0x00007fc5ee9a24d0 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1336
#34 0x000055b8cc7a1907 in main (argc=<optimized out>, argv=<optimized out>) at
./main_wayland.cpp:816
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