https://bugs.kde.org/show_bug.cgi?id=464861
--- Comment #3 from Stefano <gisk+kdeb...@pm.me> --- 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 0x00007f87dcaf6347 in std::__atomic_base<QMutexData*>::compare_exchange_strong (__m2=std::memory_order_acquire, __m1=std::memory_order_acquire, __p2=0x1, __p1=<synthetic pointer>: 0x0, this=this@entry=0x7489085063480854) at /usr/include/c++/12/bits/atomic_base.h:876 #5 std::atomic<QMutexData*>::compare_exchange_strong (__m2=std::memory_order_acquire, __m1=std::memory_order_acquire, __p2=0x1, __p1=<synthetic pointer>: 0x0, this=this@entry=0x7489085063480854) at /usr/include/c++/12/atomic:625 #6 QAtomicOps<QMutexData*>::testAndSetAcquire<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=<error reading variable: Cannot access memory at address 0x7489085063480854>) at ../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:308 #7 QBasicAtomicPointer<QMutexData>::testAndSetAcquire (currentValue=<synthetic pointer>: <optimized out>, newValue=0x1, expectedValue=0x0, this=this@entry=0x7489085063480854) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:273 #8 QBasicMutex::fastTryLock (current=<synthetic pointer>: <optimized out>, this=this@entry=0x7489085063480854) at thread/qmutex.h:128 #9 QMutex::lock (this=this@entry=0x7489085063480854) at thread/qmutex.cpp:232 #10 0x00007f87dccddff4 in std::unique_lock<QMutex>::lock (this=<synthetic pointer>) at /usr/include/c++/12/bits/unique_lock.h:131 #11 std::unique_lock<QMutex>::unique_lock (__m=..., this=<synthetic pointer>) at /usr/include/c++/12/bits/unique_lock.h:69 #12 (anonymous namespace)::qt_unique_lock<QMutex> (mutex=...) at ../../include/QtCore/5.15.8/QtCore/private/../../../../../src/corelib/thread/qlocking_p.h:106 #13 QCoreApplicationPrivate::lockThreadPostEventList (object=<optimized out>) at kernel/qcoreapplication.cpp:1500 #14 0x00007f87dccdf5d9 in QCoreApplication::postEvent (receiver=0x55b393bd27a0, event=0x7f8794282df0, priority=0) at kernel/qcoreapplication.cpp:1546 #15 0x00007f87dcd132dd in QtPrivate::QSlotObjectBase::call (a=0x7f879e6429f0, r=0x55b393bd27a0, this=0x55b39515c020) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398 #16 doActivate<false> (sender=0x55b393c0edb0, signal_index=29, argv=0x7f879e6429f0) at kernel/qobject.cpp:3923 #17 0x00007f87dcd0c75f 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 0x00007f87de890993 in QQuickWindow::afterRendering (this=this@entry=0x55b393c0edb0) at .moc/moc_qquickwindow.cpp:564 #19 0x00007f87de897028 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 0x00007f87de837ff7 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 0x00007f87de838ecf in QSGRenderThread::run (this=0x7f87d001ff90) at /usr/src/debug/qtdeclarative-everywhere-src-5.15.8+kde22/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1042 #22 0x00007f87dcaf5e3d in QThreadPrivate::start (arg=0x7f87d001ff90) at thread/qthread_unix.cpp:330 #23 0x00007f87dc49398d in start_thread () from /lib64/libc.so.6 #24 0x00007f87dc51a380 in clone3 () from /lib64/libc.so.6 Thread 11 (Thread 0x7f879ee446c0 (LWP 4741) "plasmash:gdrv0"): #1 0x00007f87dc492cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007f87d4ab659b 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 0x00007f87d4b10d67 in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67 #5 0x00007f87dc49398d in start_thread () from /lib64/libc.so.6 #6 0x00007f87dc51a380 in clone3 () from /lib64/libc.so.6 Thread 10 (Thread 0x7f879f6456c0 (LWP 4740) "plasmash:gdrv0"): #1 0x00007f87dc492cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007f87d4ab659b 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 0x00007f87d4b10d67 in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67 #5 0x00007f87dc49398d in start_thread () from /lib64/libc.so.6 #6 0x00007f87dc51a380 in clone3 () from /lib64/libc.so.6 Thread 9 (Thread 0x7f87b899f6c0 (LWP 4734) "Thread (pooled)"): #1 0x00007f87dc492fd4 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007f87dcafb6dc 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 thread/qwaitcondition_unix.cpp:225 #5 0x00007f87dcaf9595 in QThreadPoolThread::run (this=0x55b393d85950) at thread/qthreadpool.cpp:140 #6 0x00007f87dcaf5e3d in QThreadPrivate::start (arg=0x55b393d85950) at thread/qthread_unix.cpp:330 #7 0x00007f87dc49398d in start_thread () from /lib64/libc.so.6 #8 0x00007f87dc51a380 in clone3 () from /lib64/libc.so.6 Thread 8 (Thread 0x7f87babff6c0 (LWP 4728) "QQmlThread"): #1 0x00007f87db0b954f in ?? () from /lib64/libglib-2.0.so.0 #2 0x00007f87db0698a6 in g_main_context_check () from /lib64/libglib-2.0.so.0 #3 0x00007f87db069d68 in ?? () from /lib64/libglib-2.0.so.0 #4 0x00007f87db069edc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #5 0x00007f87dcd33b7e in QEventDispatcherGlib::processEvents (this=0x7f87a8000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #6 0x00007f87dccdabab in QEventLoop::exec (this=this@entry=0x7f87babfebe0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #7 0x00007f87dcaf4c47 in QThread::exec (this=this@entry=0x55b393624560) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #8 0x00007f87de33f175 in QQmlThreadPrivate::run (this=0x55b393624560) at /usr/src/debug/qtdeclarative-everywhere-src-5.15.8+kde22/src/qml/qml/ftw/qqmlthread.cpp:155 #9 0x00007f87dcaf5e3d in QThreadPrivate::start (arg=0x55b393624560) at thread/qthread_unix.cpp:330 #10 0x00007f87dc49398d in start_thread () from /lib64/libc.so.6 #11 0x00007f87dc51a380 in clone3 () from /lib64/libc.so.6 Thread 7 (Thread 0x7f87bbfff6c0 (LWP 4727) "plasmash:gdrv0"): #1 0x00007f87dc492cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007f87d4ab659b in cnd_wait (mtx=0x55b39349b9e0, cond=0x55b39349ba08) at ../src/c11/impl/threads_posix.c:135 #3 util_queue_thread_func (input=input@entry=0x55b393405800) at ../src/util/u_queue.c:290 #4 0x00007f87d4b10d67 in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67 #5 0x00007f87dc49398d in start_thread () from /lib64/libc.so.6 #6 0x00007f87dc51a380 in clone3 () from /lib64/libc.so.6 Thread 6 (Thread 0x7f87c0bfe6c0 (LWP 4726) "plasmash:gdrv0"): #1 0x00007f87dc492cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007f87d4ab659b in cnd_wait (mtx=0x55b393425770, cond=0x55b393425798) at ../src/c11/impl/threads_posix.c:135 #3 util_queue_thread_func (input=input@entry=0x55b39341be40) at ../src/util/u_queue.c:290 #4 0x00007f87d4b10d67 in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67 #5 0x00007f87dc49398d in start_thread () from /lib64/libc.so.6 #6 0x00007f87dc51a380 in clone3 () from /lib64/libc.so.6 Thread 5 (Thread 0x7f87c13ff6c0 (LWP 4723) "plasmas:disk$0"): #1 0x00007f87dc492cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007f87d4ab659b in cnd_wait (mtx=0x55b39328a458, cond=0x55b39328a480) at ../src/c11/impl/threads_posix.c:135 #3 util_queue_thread_func (input=input@entry=0x55b393367720) at ../src/util/u_queue.c:290 #4 0x00007f87d4b10d67 in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67 #5 0x00007f87dc49398d in start_thread () from /lib64/libc.so.6 #6 0x00007f87dc51a380 in clone3 () from /lib64/libc.so.6 Thread 4 (Thread 0x7f87d6ed56c0 (LWP 4722) "WaylandEventThr"): #1 0x00007f87dcafb5ac in QWaitCondition::wakeOne (this=this@entry=0x55b3932ce8b0) at thread/qwaitcondition_unix.cpp:191 #2 0x00007f87dc32eea2 in QtWaylandClient::EventThread::readAndDispatchEvents (this=<optimized out>) at qwaylanddisplay.cpp:155 #3 QtWaylandClient::EventThread::waitForReading (this=0x55b3932ce870) at qwaylanddisplay.cpp:234 #4 QtWaylandClient::EventThread::run (this=0x55b3932ce870) at qwaylanddisplay.cpp:206 #5 0x00007f87dcaf5e3d in QThreadPrivate::start (arg=0x55b3932ce870) at thread/qthread_unix.cpp:330 #6 0x00007f87dc49398d in start_thread () from /lib64/libc.so.6 #7 0x00007f87dc51a380 in clone3 () from /lib64/libc.so.6 Thread 3 (Thread 0x7f87d76d66c0 (LWP 4721) "WaylandEventThr"): #1 0x00007f87dc492cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007f87dcafb74b in QWaitConditionPrivate::wait (deadline=..., this=0x55b3932c9f30) at thread/qwaitcondition_unix.cpp:146 #3 QWaitCondition::wait (this=this@entry=0x55b3932caaf0, mutex=mutex@entry=0x55b3932caae8, deadline=...) at thread/qwaitcondition_unix.cpp:225 #4 0x00007f87dc32edaf in QtWaylandClient::EventThread::waitForReading (this=0x55b3932caab0) at qwaylanddisplay.cpp:242 #5 QtWaylandClient::EventThread::run (this=0x55b3932caab0) at qwaylanddisplay.cpp:206 #6 0x00007f87dcaf5e3d in QThreadPrivate::start (arg=0x55b3932caab0) at thread/qthread_unix.cpp:330 #7 0x00007f87dc49398d in start_thread () from /lib64/libc.so.6 #8 0x00007f87dc51a380 in clone3 () from /lib64/libc.so.6 Thread 2 (Thread 0x7f87d81ff6c0 (LWP 4720) "QDBusConnection"): #1 0x00007f87db069dbe in ?? () from /lib64/libglib-2.0.so.0 #2 0x00007f87db069edc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #3 0x00007f87dcd33b7e in QEventDispatcherGlib::processEvents (this=0x7f87d0000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:425 #4 0x00007f87dccdabab in QEventLoop::exec (this=this@entry=0x7f87d81febd0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #5 0x00007f87dcaf4c47 in QThread::exec (this=this@entry=0x7f87de59d060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #6 0x00007f87de524277 in QDBusConnectionManager::run (this=0x7f87de59d060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179 #7 0x00007f87dcaf5e3d in QThreadPrivate::start (arg=0x7f87de59d060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:330 #8 0x00007f87dc49398d in start_thread () from /lib64/libc.so.6 #9 0x00007f87dc51a380 in clone3 () from /lib64/libc.so.6 Thread 1 (Thread 0x7f87da36c280 (LWP 4719) "plasmashell"): #1 0x00007f87dc492cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007f87dcafb74b in QWaitConditionPrivate::wait (deadline=..., this=0x55b393a7d070) at thread/qwaitcondition_unix.cpp:146 #3 QWaitCondition::wait (this=<optimized out>, mutex=0x7f87d001ffe8, deadline=...) at thread/qwaitcondition_unix.cpp:225 #4 0x00007f87de83a7b8 in QSGThreadedRenderLoop::polishAndSync (this=0x55b393c200b0, w=0x55b394234280, inExpose=<optimized out>) at /usr/src/debug/qtdeclarative-everywhere-src-5.15.8+kde22/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1603 #5 0x00007f87de8a6180 in QQuickWindow::event (this=0x55b393c0edb0, e=0x7ffe5f3f3c40) at /usr/src/debug/qtdeclarative-everywhere-src-5.15.8+kde22/src/quick/items/qquickwindow.cpp:1863 #6 0x00007f87dd9a544e in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55b393c0edb0, e=0x7ffe5f3f3c40) at kernel/qapplication.cpp:3640 #7 0x00007f87dccdc138 in QCoreApplication::notifyInternal2 (receiver=0x55b393c0edb0, event=0x7ffe5f3f3c40) at kernel/qcoreapplication.cpp:1064 #8 0x00007f87dd16aa28 in QPlatformWindow::deliverUpdateRequest (this=<optimized out>) at kernel/qplatformwindow.cpp:796 #9 0x00007f87dcd07c50 in QObject::event (this=0x55b39375a230, e=0x55b395171770) at kernel/qobject.cpp:1347 #10 0x00007f87dd9a544e in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55b39375a230, e=0x55b395171770) at kernel/qapplication.cpp:3640 #11 0x00007f87dccdc138 in QCoreApplication::notifyInternal2 (receiver=0x55b39375a230, event=0x55b395171770) at kernel/qcoreapplication.cpp:1064 #12 0x00007f87dccdf0d1 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x55b393288880) at kernel/qcoreapplication.cpp:1821 #13 0x00007f87dcd34363 in postEventSourceDispatch (s=0x55b3932cd550) at kernel/qeventdispatcher_glib.cpp:277 #14 0x00007f87db069a90 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #15 0x00007f87db069e48 in ?? () from /lib64/libglib-2.0.so.0 #16 0x00007f87db069edc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #17 0x00007f87dcd33b66 in QEventDispatcherGlib::processEvents (this=0x55b3932ce8c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #18 0x00007f87dccdabab in QEventLoop::exec (this=this@entry=0x7ffe5f3f4020, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #19 0x00007f87dcce2d16 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #20 0x00007f87dd16ed3c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1870 #21 0x00007f87dd9a53c5 in QApplication::exec () at kernel/qapplication.cpp:2832 #22 0x000055b3914863a2 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/plasma-workspace-5.26.5/shell/main.cpp:233 [Inferior 1 (process 4719) detached] -- You are receiving this mail because: You are watching all bug changes.
