Application: plasmashell (5.26.5) Qt Version: 5.15.8 Frameworks Version: 5.102.0 Operating System: Linux 6.1.7-1-default x86_64 Windowing System: Wayland Distribution: "openSUSE Tumbleweed" DrKonqi: 5.26.5 [KCrashBackend] -- Information about the crash: This happens randomly, but only when using the image of the day wallpaper (unslpash in this case). plasmashell crashes, leaving a black screen. In this situation I can still launch krunner with the shortcut key and try to start plasmashell again. When trying to restart it by typing plasmashell --replace in krunner, plasmashell crashes some more and after many retry it starts. The crash can be reproduced sometimes. -- Backtrace: Application: Plasma (plasmashell), signal: Segmentation fault [KCrash Handler] #4 0x00007fc26a0f6347 in QMutex::lock() () from /lib64/libQt5Core.so.5 #5 0x00007fc26a2ddff4 in QCoreApplicationPrivate::lockThreadPostEventList(QObject*) () from /lib64/libQt5Core.so.5 #6 0x00007fc26a2df5d9 in QCoreApplication::postEvent(QObject*, QEvent*, int) () from /lib64/libQt5Core.so.5 #7 0x00007fc26a3132dd in ?? () from /lib64/libQt5Core.so.5 #8 0x00007fc26be97028 in QQuickWindowPrivate::renderSceneGraph(QSize const&, QSize const&) () from /lib64/libQt5Quick.so.5 #9 0x00007fc26be37ff7 in ?? () from /lib64/libQt5Quick.so.5 #10 0x00007fc26be38ecf in ?? () from /lib64/libQt5Quick.so.5 #11 0x00007fc26a0f5e3d in ?? () from /lib64/libQt5Core.so.5 #12 0x00007fc269a9398d in start_thread () from /lib64/libc.so.6 #13 0x00007fc269b1a380 in clone3 () from /lib64/libc.so.6 Thread 10 (Thread 0x7fc227fff6c0 (LWP 2675) "plasmash:gdrv0"): #1 0x00007fc269a92cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007fc25dcb659b in ?? () from /usr/lib64/dri/crocus_dri.so #3 0x00007fc25dd10d67 in ?? () from /usr/lib64/dri/crocus_dri.so #4 0x00007fc269a9398d in start_thread () from /lib64/libc.so.6 #5 0x00007fc269b1a380 in clone3 () from /lib64/libc.so.6 Thread 9 (Thread 0x7fc22cb066c0 (LWP 2674) "plasmash:gdrv0"): #1 0x00007fc269a92cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007fc25dcb659b in ?? () from /usr/lib64/dri/crocus_dri.so #3 0x00007fc25dd10d67 in ?? () from /usr/lib64/dri/crocus_dri.so #4 0x00007fc269a9398d in start_thread () from /lib64/libc.so.6 #5 0x00007fc269b1a380 in clone3 () from /lib64/libc.so.6 Thread 8 (Thread 0x7fc243fff6c0 (LWP 2665) "QQmlThread"): #1 0x00007fc268319b2d in ?? () from /lib64/libglib-2.0.so.0 #2 0x00007fc26831b71b in g_main_context_check () from /lib64/libglib-2.0.so.0 #3 0x00007fc26831bd68 in ?? () from /lib64/libglib-2.0.so.0 #4 0x00007fc26831bedc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #5 0x00007fc26a333b7e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #6 0x00007fc26a2dabab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #7 0x00007fc26a0f4c47 in QThread::exec() () from /lib64/libQt5Core.so.5 #8 0x00007fc26b93f175 in ?? () from /lib64/libQt5Qml.so.5 #9 0x00007fc26a0f5e3d in ?? () from /lib64/libQt5Core.so.5 #10 0x00007fc269a9398d in start_thread () from /lib64/libc.so.6 #11 0x00007fc269b1a380 in clone3 () from /lib64/libc.so.6 Thread 7 (Thread 0x7fc25cb866c0 (LWP 2664) "plasmash:gdrv0"): #1 0x00007fc269a92cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007fc25dcb659b in ?? () from /usr/lib64/dri/crocus_dri.so #3 0x00007fc25dd10d67 in ?? () from /usr/lib64/dri/crocus_dri.so #4 0x00007fc269a9398d in start_thread () from /lib64/libc.so.6 #5 0x00007fc269b1a380 in clone3 () from /lib64/libc.so.6 Thread 6 (Thread 0x7fc25d3fe6c0 (LWP 2663) "plasmash:gdrv0"): #1 0x00007fc269a92cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007fc25dcb659b in ?? () from /usr/lib64/dri/crocus_dri.so #3 0x00007fc25dd10d67 in ?? () from /usr/lib64/dri/crocus_dri.so #4 0x00007fc269a9398d in start_thread () from /lib64/libc.so.6 #5 0x00007fc269b1a380 in clone3 () from /lib64/libc.so.6 Thread 5 (Thread 0x7fc25dbff6c0 (LWP 2660) "plasmas:disk$0"): #1 0x00007fc269a92cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007fc25dcb659b in ?? () from /usr/lib64/dri/crocus_dri.so #3 0x00007fc25dd10d67 in ?? () from /usr/lib64/dri/crocus_dri.so #4 0x00007fc269a9398d in start_thread () from /lib64/libc.so.6 #5 0x00007fc269b1a380 in clone3 () from /lib64/libc.so.6 Thread 4 (Thread 0x7fc25ffff6c0 (LWP 2659) "WaylandEventThr"): #1 0x00007fc26992ee06 in ?? () from /lib64/libQt5WaylandClient.so.5 #2 0x00007fc26a0f5e3d in ?? () from /lib64/libQt5Core.so.5 #3 0x00007fc269a9398d in start_thread () from /lib64/libc.so.6 #4 0x00007fc269b1a380 in clone3 () from /lib64/libc.so.6 Thread 3 (Thread 0x7fc264bd46c0 (LWP 2658) "WaylandEventThr"): #1 0x00007fc269a92cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007fc26a0fb74b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt5Core.so.5 #3 0x00007fc26992edaf in ?? () from /lib64/libQt5WaylandClient.so.5 #4 0x00007fc26a0f5e3d in ?? () from /lib64/libQt5Core.so.5 #5 0x00007fc269a9398d in start_thread () from /lib64/libc.so.6 #6 0x00007fc269b1a380 in clone3 () from /lib64/libc.so.6 Thread 2 (Thread 0x7fc2655ff6c0 (LWP 2657) "QDBusConnection"): #1 0x00007fc26836b54f in ?? () from /lib64/libglib-2.0.so.0 #2 0x00007fc26831b8a6 in g_main_context_check () from /lib64/libglib-2.0.so.0 #3 0x00007fc26831bd68 in ?? () from /lib64/libglib-2.0.so.0 #4 0x00007fc26831bedc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #5 0x00007fc26a333b7e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #6 0x00007fc26a2dabab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #7 0x00007fc26a0f4c47 in QThread::exec() () from /lib64/libQt5Core.so.5 #8 0x00007fc26b586277 in ?? () from /lib64/libQt5DBus.so.5 #9 0x00007fc26a0f5e3d in ?? () from /lib64/libQt5Core.so.5 #10 0x00007fc269a9398d in start_thread () from /lib64/libc.so.6 #11 0x00007fc269b1a380 in clone3 () from /lib64/libc.so.6 Thread 1 (Thread 0x7fc267886280 (LWP 2656) "plasmashell"): #1 0x00007fc269a92cd0 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6 #2 0x00007fc26a0fb74b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt5Core.so.5 #3 0x00007fc26be3a7b8 in ?? () from /lib64/libQt5Quick.so.5 #4 0x00007fc26bea6180 in QQuickWindow::event(QEvent*) () from /lib64/libQt5Quick.so.5 #5 0x00007fc26afa544e in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #6 0x00007fc26a2dc138 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5 #7 0x00007fc26a76aa28 in QPlatformWindow::deliverUpdateRequest() () from /lib64/libQt5Gui.so.5 #8 0x00007fc26a307c50 in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5 #9 0x00007fc26afa544e in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #10 0x00007fc26a2dc138 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5 #11 0x00007fc26a2df0d1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5 #12 0x00007fc26a334363 in ?? () from /lib64/libQt5Core.so.5 #13 0x00007fc26831ba90 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #14 0x00007fc26831be48 in ?? () from /lib64/libglib-2.0.so.0 #15 0x00007fc26831bedc in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #16 0x00007fc26a333b66 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #17 0x00007fc26a2dabab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #18 0x00007fc26a2e2d16 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5 #19 0x000055debb6253a2 in ?? () #20 0x00007fc269a2c5b0 in __libc_start_call_main () from /lib64/libc.so.6 #21 0x00007fc269a2c679 in __libc_start_main_impl () from /lib64/libc.so.6 #22 0x000055debb625765 in ?? () [Inferior 1 (process 2656) detached] The reporter indicates this bug may be a duplicate of or related to bug 460378. Reported using DrKonqi
Hmm, the backtrace is truncated a bit: [KCrash Handler] #4 0x00007fc26a0f6347 in QMutex::lock() () from /lib64/libQt5Core.so.5 Can you attach the full backtrace that includes frames 1-3 as well? The "Crashed Processed Viewer" app may help you retrieve it.
(In reply to Nate Graham from comment #1) > Hmm, the backtrace is truncated a bit: > > [KCrash Handler] > #4 0x00007fc26a0f6347 in QMutex::lock() () from /lib64/libQt5Core.so.5 > > Can you attach the full backtrace that includes frames 1-3 as well? The > "Crashed Processed Viewer" app may help you retrieve it. Sure! I'll try the next time it happens!
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]
Also, it doesn't seem to happen with other wallpaper providers than unsplash.
Huh: #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
*** Bug 487368 has been marked as a duplicate of this bug. ***
Are you able to reproduce the issue in Plasma 6.3.5 — or even better, in the Plasma 6.4 beta? Or also the Plasma 6.4 final release, once it comes out in mid-June. Thanks a lot!
(In reply to Nate Graham from comment #7) > Are you able to reproduce the issue in Plasma 6.3.5 — or even better, in the > Plasma 6.4 beta? Or also the Plasma 6.4 final release, once it comes out in > mid-June. > > Thanks a lot! Sorry, unfortunately not at the moment, because I'll use FreeBSD and X11 for a while. I hope someone else can test this. Otherwise, I'll try when back to Linux + wayland. :)
🐛🧹 ⚠️ This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information, then set the bug status to REPORTED. If there is no change for at least 30 days, it will be automatically closed as RESOLVED WORKSFORME. For more information about our bug triaging procedures, please read https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging. Thank you for helping us make KDE software even better for everyone!
🐛🧹 This bug has been in NEEDSINFO status with no change for at least 30 days. Closing as RESOLVED WORKSFORME.