https://bugs.kde.org/show_bug.cgi?id=464861
--- Comment #3 from Stefano ---
I have a new backtrace. Hope this helps.
Also, I'm not sure this is correlated, but I noticed that this never happened
when using latte-dock instead of the panel.
Application: Plasma (plasmashell), signal: Segmentation fault
[KCrash Handler]
#4 0x7f87dcaf6347 in
std::__atomic_base::compare_exchange_strong
(__m2=std::memory_order_acquire, __m1=std::memory_order_acquire, __p2=0x1,
__p1=: 0x0, this=this@entry=0x7489085063480854) at
/usr/include/c++/12/bits/atomic_base.h:876
#5 std::atomic::compare_exchange_strong
(__m2=std::memory_order_acquire, __m1=std::memory_order_acquire, __p2=0x1,
__p1=: 0x0, this=this@entry=0x7489085063480854) at
/usr/include/c++/12/atomic:625
#6 QAtomicOps::testAndSetAcquire
(currentValue=, newValue=0x1, expectedValue=0x0,
_q_value=) at
../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:308
#7 QBasicAtomicPointer::testAndSetAcquire (currentValue=: , newValue=0x1, expectedValue=0x0,
this=this@entry=0x7489085063480854) at
../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:273
#8 QBasicMutex::fastTryLock (current=: ,
this=this@entry=0x7489085063480854) at thread/qmutex.h:128
#9 QMutex::lock (this=this@entry=0x7489085063480854) at thread/qmutex.cpp:232
#10 0x7f87dccddff4 in std::unique_lock::lock (this=) at /usr/include/c++/12/bits/unique_lock.h:131
#11 std::unique_lock::unique_lock (__m=..., this=)
at /usr/include/c++/12/bits/unique_lock.h:69
#12 (anonymous namespace)::qt_unique_lock (mutex=...) at
../../include/QtCore/5.15.8/QtCore/private/../../../../../src/corelib/thread/qlocking_p.h:106
#13 QCoreApplicationPrivate::lockThreadPostEventList (object=)
at kernel/qcoreapplication.cpp:1500
#14 0x7f87dccdf5d9 in QCoreApplication::postEvent (receiver=0x55b393bd27a0,
event=0x7f8794282df0, priority=0) at kernel/qcoreapplication.cpp:1546
#15 0x7f87dcd132dd in QtPrivate::QSlotObjectBase::call (a=0x7f879e6429f0,
r=0x55b393bd27a0, this=0x55b39515c020) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#16 doActivate (sender=0x55b393c0edb0, signal_index=29,
argv=0x7f879e6429f0) at kernel/qobject.cpp:3923
#17 0x7f87dcd0c75f in QMetaObject::activate
(sender=sender@entry=0x55b393c0edb0, m=m@entry=0x7f87deb6ec40,
local_signal_index=local_signal_index@entry=7, argv=argv@entry=0x0) at
kernel/qobject.cpp:3983
#18 0x7f87de890993 in QQuickWindow::afterRendering
(this=this@entry=0x55b393c0edb0) at .moc/moc_qquickwindow.cpp:564
#19 0x7f87de897028 in QQuickWindowPrivate::renderSceneGraph
(this=0x55b39377fed0, size=..., surfaceSize=...) at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.8+kde22/src/quick/items/qquickwindow.cpp:619
#20 0x7f87de837ff7 in QSGRenderThread::syncAndRender (this=0x7f87d001ff90,
grabImage=0x0) at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.8+kde22/src/quick/scenegraph/qsgthreadedrenderloop.cpp:836
#21 0x7f87de838ecf in QSGRenderThread::run (this=0x7f87d001ff90) at
/usr/src/debug/qtdeclarative-everywhere-src-5.15.8+kde22/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1042
#22 0x7f87dcaf5e3d in QThreadPrivate::start (arg=0x7f87d001ff90) at
thread/qthread_unix.cpp:330
#23 0x7f87dc49398d in start_thread () from /lib64/libc.so.6
#24 0x7f87dc51a380 in clone3 () from /lib64/libc.so.6
Thread 11 (Thread 0x7f879ee446c0 (LWP 4741) "plasmash:gdrv0"):
#1 0x7f87dc492cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libc.so.6
#2 0x7f87d4ab659b in cnd_wait (mtx=0x55b3944cdbe0, cond=0x55b3944cdc08) at
../src/c11/impl/threads_posix.c:135
#3 util_queue_thread_func (input=input@entry=0x55b3942f5140) at
../src/util/u_queue.c:290
#4 0x7f87d4b10d67 in impl_thrd_routine (p=) at
../src/c11/impl/threads_posix.c:67
#5 0x7f87dc49398d in start_thread () from /lib64/libc.so.6
#6 0x7f87dc51a380 in clone3 () from /lib64/libc.so.6
Thread 10 (Thread 0x7f879f6456c0 (LWP 4740) "plasmash:gdrv0"):
#1 0x7f87dc492cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libc.so.6
#2 0x7f87d4ab659b in cnd_wait (mtx=0x55b394254620, cond=0x55b394254648) at
../src/c11/impl/threads_posix.c:135
#3 util_queue_thread_func (input=input@entry=0x55b393a7d500) at
../src/util/u_queue.c:290
#4 0x7f87d4b10d67 in impl_thrd_routine (p=) at
../src/c11/impl/threads_posix.c:67
#5 0x7f87dc49398d in start_thread () from /lib64/libc.so.6
#6 0x7f87dc51a380 in clone3 () from /lib64/libc.so.6
Thread 9 (Thread 0x7f87b899f6c0 (LWP 4734) "Thread (pooled)"):
#1 0x7f87dc492fd4 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libc.so.6
#2 0x7f87dcafb6dc in QWaitConditionPrivate::wait_relative (deadline=...,
this=0x55b393f05960) at thread/qwaitcondition_unix.cpp:136
#3 QWaitConditionPrivate::wait (deadline=..., this=0x55b393f05960) at
thread/qwaitcondition_unix.cpp:144
#4 QWaitCondition::wait (this=this@entry=0x55b393d85960,
mutex=mutex@entry=0x55b393dccca8, deadline=...) at