Application: spectacle (23.07.70)
 (Compiled from sources)
Qt Version: 6.6.0
Frameworks Version: 5.240.0
Operating System: Linux 6.2.8-200.fc37.x86_64 x86_64
Windowing System: Wayland
Distribution: Fedora Linux 37 (KDE Plasma)
DrKonqi: 5.27.80 [KCrashBackend]

-- Information about the crash:
- Record workspace
- Stop recording
- boom

The crash can be reproduced every time.

-- Backtrace:
Application: Spectacle (spectacle), signal: Segmentation fault
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = 0x0}
[KCrash Handler]
#5  0x00007f2d012be30e in free () at /lib64/libc.so.6
#6  0x00007f2cfff91085 in av_packet_free_side_data () at /lib64/libavcodec.so.59
#7  0x00007f2cfff9179d in av_packet_unref () at /lib64/libavcodec.so.59
#8  0x00007f2d000532aa in avcodec_receive_packet () at /lib64/libavcodec.so.59
#9  0x00007f2d0506bb01 in PipeWireReceiveEncodedThread::run() (this=0x7f2c68043890) at /home/nico/kde6/src/kpipewire/src/pipewireproduce.cpp:283
#10 0x00007f2d01ad1e20 in operator() (__closure=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:324
#11 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:260
#12 QThreadPrivate::start(void*) (arg=0x7f2c68043890) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:283
#13 0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#14 0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 25 (Thread 0x7f2c647f86c0 (LWP 12648) "PipeWireProduce"):
#1  0x00007f2d012b5ea0 in __new_sem_wait_slow64.constprop.0 () at /lib64/libc.so.6
#2  0x00007f2cfccc10f8 in thread_loopfilter (p_data=<optimized out>) at vp8/encoder/ethreading.c:31
#3  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#4  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 24 (Thread 0x7f2c64ff96c0 (LWP 12647) "PipeWireProduce"):
#1  0x00007f2d012b5ea0 in __new_sem_wait_slow64.constprop.0 () at /lib64/libc.so.6
#2  0x00007f2cfccc638f in thread_encoding_proc (p_data=<optimized out>) at vp8/encoder/ethreading.c:53
#3  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#4  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 23 (Thread 0x7f2c657fa6c0 (LWP 12646) "PipeWireProduce"):
#1  0x00007f2d012b5ea0 in __new_sem_wait_slow64.constprop.0 () at /lib64/libc.so.6
#2  0x00007f2cfccc638f in thread_encoding_proc (p_data=<optimized out>) at vp8/encoder/ethreading.c:53
#3  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#4  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 22 (Thread 0x7f2c65ffb6c0 (LWP 12645) "PipeWireProduce"):
#1  0x00007f2d012b5ea0 in __new_sem_wait_slow64.constprop.0 () at /lib64/libc.so.6
#2  0x00007f2cfccc638f in thread_encoding_proc (p_data=<optimized out>) at vp8/encoder/ethreading.c:53
#3  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#4  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 21 (Thread 0x7f2c667fc6c0 (LWP 12644) "PipeWireProduce"):
#1  0x00007f2d012b5ea0 in __new_sem_wait_slow64.constprop.0 () at /lib64/libc.so.6
#2  0x00007f2cfccc638f in thread_encoding_proc (p_data=<optimized out>) at vp8/encoder/ethreading.c:53
#3  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#4  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 20 (Thread 0x7f2c66ffd6c0 (LWP 12643) "PipeWireProduce"):
#1  0x00007f2d012b5ea0 in __new_sem_wait_slow64.constprop.0 () at /lib64/libc.so.6
#2  0x00007f2cfccc638f in thread_encoding_proc (p_data=<optimized out>) at vp8/encoder/ethreading.c:53
#3  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#4  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 19 (Thread 0x7f2c677fe6c0 (LWP 12642) "PipeWireProduce"):
#1  0x00007f2d012b5ea0 in __new_sem_wait_slow64.constprop.0 () at /lib64/libc.so.6
#2  0x00007f2cfccc638f in thread_encoding_proc (p_data=<optimized out>) at vp8/encoder/ethreading.c:53
#3  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#4  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 18 (Thread 0x7f2c67fff6c0 (LWP 12641) "PipeWireProduce"):
#1  0x00007f2d012b5ea0 in __new_sem_wait_slow64.constprop.0 () at /lib64/libc.so.6
#2  0x00007f2cfccc638f in thread_encoding_proc (p_data=<optimized out>) at vp8/encoder/ethreading.c:53
#3  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#4  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 17 (Thread 0x7f2c7e7fe6c0 (LWP 12640) "PipeWireProduce"):
#1  0x00007f2ce852fcc8 in impl_pollfd_wait () at /usr/lib64/spa-0.2/support/libspa-support.so
#2  0x00007f2ce852007b in loop_iterate () at /usr/lib64/spa-0.2/support/libspa-support.so
#3  0x00007f2cff4d88c7 in do_loop () at /lib64/libpipewire-0.3.so.0
#4  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#5  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 16 (Thread 0x7f2c7efff6c0 (LWP 12639) "PipeWireProduce"):
#1  0x00007f2d012ad510 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007f2d01ad9f3b in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x7f2c680443b0) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:111
#3  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x7f2c681f8ce8, mutex=mutex@entry=0x7f2c681f8cc8, deadline=...) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:182
#4  0x00007f2d01ad1b41 in QThread::wait(QDeadlineTimer) (this=<optimized out>, deadline=...) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:773
#5  0x00007f2d0506a58c in PipeWireProduce::stateChanged(pw_stream_state) (state=PW_STREAM_STATE_PAUSED, this=0x7f2c68003a00) at /home/nico/kde6/src/kpipewire/src/pipewireproduce.cpp:243
#6  PipeWireProduce::stateChanged(pw_stream_state) (this=0x7f2c68003a00, state=<optimized out>) at /home/nico/kde6/src/kpipewire/src/pipewireproduce.cpp:229
#7  0x00007f2d0199df7a in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7f2c7effd5c0, r=0x7f2c68003a00, this=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobjectdefs_impl.h:363
#8  doActivate<false>(QObject*, int, void**) (sender=0x7f2c680053c0, signal_index=8, argv=0x7f2c7effd5c0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobject.cpp:3977
#9  0x00007f2d0199667f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x7f2c680053c0, m=m@entry=0x7f2d03cf1720 <PipeWireSourceStream::staticMetaObject>, local_signal_index=local_signal_index@entry=5, argv=argv@entry=0x7f2c7effd5c0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobject.cpp:4037
#10 0x00007f2d03cd9b28 in PipeWireSourceStream::stateChanged(pw_stream_state, pw_stream_state) (this=this@entry=0x7f2c680053c0, _t1=<optimized out>, _t1@entry=PW_STREAM_STATE_PAUSED, _t2=<optimized out>, _t2@entry=PW_STREAM_STATE_STREAMING) at /home/nico/kde6/build/kpipewire/src/KPipeWire_autogen/EWIEGA46WW/moc_pipewiresourcestream.cpp:294
#11 0x00007f2d03ce2d9e in PipeWireSourceStream::onStreamStateChanged(void*, pw_stream_state, pw_stream_state, char const*) (data=0x7f2c680053c0, old=PW_STREAM_STATE_STREAMING, state=PW_STREAM_STATE_PAUSED, error_message=0x0) at /home/nico/kde6/src/kpipewire/src/pipewiresourcestream.cpp:162
#12 0x00007f2cff513789 in stream_set_state.lto_priv () at /lib64/libpipewire-0.3.so.0
#13 0x00007f2cff513b05 in impl_send_command.lto_priv () at /lib64/libpipewire-0.3.so.0
#14 0x00007f2cff4fb1b6 in idle_node.lto_priv () at /lib64/libpipewire-0.3.so.0
#15 0x00007f2cff504b58 in pw_impl_node_set_state () at /lib64/libpipewire-0.3.so.0
#16 0x00007f2cb497a93a in client_node_command () at /usr/lib64/pipewire-0.3/libpipewire-module-client-node.so
#17 0x00007f2cb49896d5 in client_node_demarshal_command.lto_priv () at /usr/lib64/pipewire-0.3/libpipewire-module-client-node.so
#18 0x00007f2cb49c16ff in process_remote () at /usr/lib64/pipewire-0.3/libpipewire-module-protocol-native.so
#19 0x00007f2cb49c1d58 in on_remote_data () at /usr/lib64/pipewire-0.3/libpipewire-module-protocol-native.so
#20 0x00007f2ce85201c7 in loop_iterate () at /usr/lib64/spa-0.2/support/libspa-support.so
#21 0x00007f2d03cdaa8c in operator() (__closure=<optimized out>) at /home/nico/kde6/src/kpipewire/src/pipewirecore.cpp:78
#22 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, PipeWireCore::init(int)::<lambda()> >::call (arg=<optimized out>, f=<optimized out>) at /home/nico/kde6/usr/include/QtCore/qobjectdefs_impl.h:127
#23 QtPrivate::Functor<PipeWireCore::init(int)::<lambda()>, 0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=<optimized out>) at /home/nico/kde6/usr/include/QtCore/qobjectdefs_impl.h:241
#24 QtPrivate::QFunctorSlotObject<PipeWireCore::init(int)::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=<optimized out>, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /home/nico/kde6/usr/include/QtCore/qobjectdefs_impl.h:409
#25 0x00007f2d0199df7a in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7f2c7effdd50, r=0x7f2c68005610, this=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobjectdefs_impl.h:363
#26 doActivate<false>(QObject*, int, void**) (sender=0x7f2c6800da00, signal_index=3, argv=0x7f2c7effdd50) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobject.cpp:3977
#27 0x00007f2d0199667f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x7f2c6800da00, m=m@entry=0x7f2d01dd4080 <QSocketNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7f2c7effdd50) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobject.cpp:4037
#28 0x00007f2d019a9f3f in QSocketNotifier::activated(QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal) (this=this@entry=0x7f2c6800da00, _t1=..., _t2=<optimized out>, _t3=...) at /home/nico/workspace/qt6/qtbase/src/corelib/Core_autogen/include/moc_qsocketnotifier.cpp:231
#29 0x00007f2d019aa59d in QSocketNotifier::event(QEvent*) (this=0x7f2c6800da00, e=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qsocketnotifier.cpp:326
#30 0x00007f2d03f92a71 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x7f2c6800da00, e=0x7f2c7effde60) at /home/nico/workspace/qt6/qtbase/src/widgets/kernel/qapplication.cpp:3284
#31 0x00007f2d019426a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x7f2c6800da00, event=0x7f2c7effde60) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qcoreapplication.cpp:1115
#32 0x00007f2d01942829 in QCoreApplication::sendEvent(QObject*, QEvent*) (receiver=<optimized out>, event=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qcoreapplication.cpp:1533
#33 0x00007f2d01bd82fc in socketNotifierSourceDispatch(GSource*, GSourceFunc, gpointer) (source=0x7f2c68005110) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:73
#34 0x00007f2cffb3ec7f in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#35 0x00007f2cffb95118 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#36 0x00007f2cffb3bf00 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#37 0x00007f2d01bd753c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2c68000b70, flags=...) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:393
#38 0x00007f2d0194d9f3 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f2c7effe0d0, flags=..., flags@entry=...) at /home/nico/workspace/qt6/qtbase/src/corelib/global/qflags.h:34
#39 0x00007f2d01a548fa in QThread::exec() (this=this@entry=0xdd5b00) at /home/nico/workspace/qt6/qtbase/src/corelib/global/qflags.h:74
#40 0x00007f2d0506b450 in PipeWireProduceThread::run() (this=0xdd5b00) at /home/nico/kde6/src/kpipewire/src/pipewireproduce.cpp:172
#41 0x00007f2d01ad1e20 in operator() (__closure=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:324
#42 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:260
#43 QThreadPrivate::start(void*) (arg=0xdd5b00) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:283
#44 0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#45 0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 15 (Thread 0x7f2cb57fa6c0 (LWP 12628) "spectacl:gdrv0"):
#1  0x00007f2d012ad510 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007f2cda70c51d in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#3  0x00007f2cda6bcd8b in util_queue_thread_func (input=input@entry=0x7f2c940f2270) at ../src/util/u_queue.c:290
#4  0x00007f2cda70c44b in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#5  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#6  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 14 (Thread 0x7f2cb5ffb6c0 (LWP 12627) "spectacl:gdrv0"):
#1  0x00007f2d012ad510 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007f2cda70c51d in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#3  0x00007f2cda6bcd8b in util_queue_thread_func (input=input@entry=0x7f2c940055b0) at ../src/util/u_queue.c:290
#4  0x00007f2cda70c44b in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#5  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#6  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 13 (Thread 0x7f2cb67fc6c0 (LWP 12626) "QSGRenderThread"):
#1  0x00007f2d012ad510 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007f2d01ad9f3b in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0xd9d9c0) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:111
#3  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0xdac948, mutex=mutex@entry=0xdac940, deadline=...) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:182
#4  0x00007f2d036342c9 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0xdac928) at /home/nico/workspace/qt6/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:188
#5  QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0xdac890) at /home/nico/workspace/qt6/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:824
#6  0x00007f2d03634512 in QSGRenderThread::run() (this=0xdac890) at /home/nico/workspace/qt6/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloop.cpp:946
#7  0x00007f2d01ad1e20 in operator() (__closure=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:324
#8  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:260
#9  QThreadPrivate::start(void*) (arg=0xdac890) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:283
#10 0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#11 0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 12 (Thread 0x7f2cb7fff6c0 (LWP 12621) "spectacle:sh5"):
#1  0x00007f2d012ad510 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007f2cda70c51d in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#3  0x00007f2cda6bcd8b in util_queue_thread_func (input=input@entry=0x99e160) at ../src/util/u_queue.c:290
#4  0x00007f2cda70c44b in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#5  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#6  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 11 (Thread 0x7f2cc4bfe6c0 (LWP 12620) "spectacle:sh4"):
#1  0x00007f2d012ad510 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007f2cda70c51d in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#3  0x00007f2cda6bcd8b in util_queue_thread_func (input=input@entry=0x99b1e0) at ../src/util/u_queue.c:290
#4  0x00007f2cda70c44b in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#5  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#6  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 10 (Thread 0x7f2cc53ff6c0 (LWP 12619) "spectacle:sh3"):
#1  0x00007f2d012ad510 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007f2cda70c51d in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#3  0x00007f2cda6bcd8b in util_queue_thread_func (input=input@entry=0x999d20) at ../src/util/u_queue.c:290
#4  0x00007f2cda70c44b in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#5  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#6  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 9 (Thread 0x7f2cd8dfc6c0 (LWP 12618) "spectacle:sh2"):
#1  0x00007f2d012ad510 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007f2cda70c51d in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#3  0x00007f2cda6bcd8b in util_queue_thread_func (input=input@entry=0x99b380) at ../src/util/u_queue.c:290
#4  0x00007f2cda70c44b in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#5  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#6  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 8 (Thread 0x7f2cd95fd6c0 (LWP 12617) "spectacle:sh1"):
#1  0x00007f2d012ad510 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007f2cda70c51d in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#3  0x00007f2cda6bcd8b in util_queue_thread_func (input=input@entry=0x99b460) at ../src/util/u_queue.c:290
#4  0x00007f2cda70c44b in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#5  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#6  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 7 (Thread 0x7f2cd9dfe6c0 (LWP 12616) "spectacle:sh0"):
#1  0x00007f2d012ad510 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007f2cda70c51d in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#3  0x00007f2cda6bcd8b in util_queue_thread_func (input=input@entry=0x993010) at ../src/util/u_queue.c:290
#4  0x00007f2cda70c44b in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#5  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#6  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 6 (Thread 0x7f2cda5ff6c0 (LWP 12615) "spectac:disk$0"):
#1  0x00007f2d012ad510 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#2  0x00007f2cda70c51d in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:135
#3  0x00007f2cda6bcd8b in util_queue_thread_func (input=input@entry=0x999d40) at ../src/util/u_queue.c:290
#4  0x00007f2cda70c44b in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:67
#5  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#6  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 5 (Thread 0x7f2ce14146c0 (LWP 12614) "QQmlThread"):
#1  0x00007f2cffb9508d in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#2  0x00007f2cffb3bf00 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f2d01bd7561 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2cd0000b70, flags=...) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:395
#4  0x00007f2d0194d9f3 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f2ce1413150, flags=..., flags@entry=...) at /home/nico/workspace/qt6/qtbase/src/corelib/global/qflags.h:34
#5  0x00007f2d01a548fa in QThread::exec() (this=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/global/qflags.h:74
#6  0x00007f2d01ad1e20 in operator() (__closure=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:324
#7  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:260
#8  QThreadPrivate::start(void*) (arg=0x8dd0c0) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:283
#9  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#10 0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 4 (Thread 0x7f2ce37fe6c0 (LWP 12607) "WaylandEventThr"):
#1  0x00007f2d050511c8 in wl_display_cancel_read (display=0x77b710) at ../src/wayland-client.c:1862
#2  0x00007f2d04690035 in QtWaylandClient::EventThread::run() (this=0x7b2890) at /home/nico/workspace/qt6/qtwayland/src/client/qwaylanddisplay.cpp:196
#3  0x00007f2d01ad1e20 in operator() (__closure=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:324
#4  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:260
#5  QThreadPrivate::start(void*) (arg=0x7b2890) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:283
#6  0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#7  0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 3 (Thread 0x7f2ce3fff6c0 (LWP 12606) "WaylandEventThr"):
#1  0x00007f2d012b06d3 in __pthread_mutex_cond_lock () at /lib64/libc.so.6
#2  0x00007f2d012ad405 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libc.so.6
#3  0x00007f2d01ad9f3b in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x7b5e80) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:111
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x7707d0, mutex=mutex@entry=0x7707c8, deadline=...) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:182
#5  0x00007f2d0468ffa7 in QtWaylandClient::EventThread::waitForReading() (this=0x770790) at /home/nico/workspace/qt6/qtwayland/src/client/qwaylanddisplay.cpp:216
#6  QtWaylandClient::EventThread::run() (this=0x770790) at /home/nico/workspace/qt6/qtwayland/src/client/qwaylanddisplay.cpp:177
#7  0x00007f2d01ad1e20 in operator() (__closure=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:324
#8  (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:260
#9  QThreadPrivate::start(void*) (arg=0x770790) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:283
#10 0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#11 0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 2 (Thread 0x7f2ce8fff6c0 (LWP 12605) "QDBusConnection"):
#1  0x00007f2cffb3cbd0 in g_source_iter_next () at /lib64/libglib-2.0.so.0
#2  0x00007f2cffb3f05b in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f2cffb94f8a in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#4  0x00007f2cffb3bf00 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f2d01bd7561 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2ce4000b70, flags=...) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:395
#6  0x00007f2d0194d9f3 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f2ce8ffe100, flags=..., flags@entry=...) at /home/nico/workspace/qt6/qtbase/src/corelib/global/qflags.h:34
#7  0x00007f2d01a548fa in QThread::exec() (this=this@entry=0x7f2d02053760 <QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager> >::instance()::holder>) at /home/nico/workspace/qt6/qtbase/src/corelib/global/qflags.h:74
#8  0x00007f2d01fc5efa in QDBusConnectionManager::run() (this=0x7f2d02053760 <QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager> >::instance()::holder>) at /home/nico/workspace/qt6/qtbase/src/dbus/qdbusconnection.cpp:123
#9  0x00007f2d01ad1e20 in operator() (__closure=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:324
#10 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:260
#11 QThreadPrivate::start(void*) (arg=0x7f2d02053760 <QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager> >::instance()::holder>) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qthread_unix.cpp:283
#12 0x00007f2d012ae12d in start_thread () at /lib64/libc.so.6
#13 0x00007f2d0132fbc0 in clone3 () at /lib64/libc.so.6

Thread 1 (Thread 0x7f2cf6681440 (LWP 12604) "spectacle"):
#1  0x00007f2d01ad9df1 in QWaitCondition::wakeOne() (this=this@entry=0x7707d0) at /home/nico/workspace/qt6/qtbase/src/corelib/thread/qwaitcondition_unix.cpp:154
#2  0x00007f2d0468a5c9 in QtWaylandClient::EventThread::readAndDispatchEvents() (this=<optimized out>) at /home/nico/workspace/qt6/qtwayland/src/client/qwaylanddisplay.cpp:125
#3  QtWaylandClient::QWaylandDisplay::flushRequests() (this=<optimized out>) at /home/nico/workspace/qt6/qtwayland/src/client/qwaylanddisplay.cpp:512
#4  0x00007f2d0198f34c in QObject::event(QEvent*) (this=0x779d10, e=0x7f2cdc0072b0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobject.cpp:1390
#5  0x00007f2d03f92a71 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x779d10, e=0x7f2cdc0072b0) at /home/nico/workspace/qt6/qtbase/src/widgets/kernel/qapplication.cpp:3284
#6  0x00007f2d019426a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x779d10, event=0x7f2cdc0072b0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qcoreapplication.cpp:1115
#7  0x00007f2d01942829 in QCoreApplication::sendEvent(QObject*, QEvent*) (receiver=<optimized out>, event=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qcoreapplication.cpp:1533
#8  0x00007f2d01945600 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x771650) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qcoreapplication.cpp:1895
#9  0x00007f2d019458d8 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=<optimized out>, event_type=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qcoreapplication.cpp:1754
#10 0x00007f2d01bd7b03 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x777ad0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:243
#11 0x00007f2cffb3ec7f in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#12 0x00007f2cffb95118 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#13 0x00007f2cffb3bf00 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#14 0x00007f2d01bd753c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x72b970, flags=...) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:393
#15 0x00007f2d0194d9f3 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffd5b0eede0, flags=..., flags@entry=...) at /home/nico/workspace/qt6/qtbase/src/corelib/global/qflags.h:34
#16 0x00007f2d0194a1e4 in QCoreApplication::exec() () at /home/nico/workspace/qt6/qtbase/src/corelib/global/qflags.h:74
#17 0x00007f2d029aee4c in QGuiApplication::exec() () at /home/nico/workspace/qt6/qtbase/src/gui/kernel/qguiapplication.cpp:1888
#18 0x00007f2d03f929e5 in QApplication::exec() () at /home/nico/workspace/qt6/qtbase/src/widgets/kernel/qapplication.cpp:2564
#19 0x000000000042a4b5 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at /home/nico/kde6/src/spectacle/src/Main.cpp:107
[Inferior 1 (process 12604) detached]

Reported using DrKonqi