Application: plasmashell (5.18.5)

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.4.0-45-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Had Yakuake open in the foreground, launched VLC and middle-clicked the VLC icon in the tray.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb8c2d4d280 (LWP 2200))]

Thread 16 (Thread 0x7fb8849f3700 (LWP 3233)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563bf8c98cc4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x563bf8c98c70, cond=0x563bf8c98c98) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x563bf8c98c98, mutex=0x563bf8c98c70) at pthread_cond_wait.c:638
#3  0x00007fb8c67a0b0f in QWaitConditionPrivate::wait (deadline=..., this=0x563bf8c98c70) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x563bf8b1ee60, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fb8c67a0c01 in QWaitCondition::wait (this=0x563bf8b1ee68, mutex=0x563bf8b1ee60, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fb8c847f109 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb8c847f3ad in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fb8c679a9d2 in QThreadPrivate::start (arg=0x563bf8b1ede0) at thread/qthread_unix.cpp:361
#9  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fb88588a700 (LWP 2894)):
#0  0x00007fb8c641c96f in __GI___poll (fds=0x7fb854001ce0, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb8987881d6 in ?? () from /lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fb898779841 in pa_mainloop_poll () from /lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fb898779ec3 in pa_mainloop_iterate () from /lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fb898779f70 in pa_mainloop_run () from /lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fb89878811d in ?? () from /lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fb89872067c in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#7  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fb8879e6700 (LWP 2892)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563bf1a75930) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x563bf1a758e0, cond=0x563bf1a75908) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x563bf1a75908, mutex=0x563bf1a758e0) at pthread_cond_wait.c:638
#3  0x00007fb8c67a0b0f in QWaitConditionPrivate::wait (deadline=..., this=0x563bf1a758e0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x7fb8bc0108c0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fb8c67a0c01 in QWaitCondition::wait (this=0x7fb8bc0108c8, mutex=0x7fb8bc0108c0, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fb8c847f109 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb8c847f3ad in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fb8c679a9d2 in QThreadPrivate::start (arg=0x7fb8bc010840) at thread/qthread_unix.cpp:361
#9  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fb882c0b700 (LWP 2423)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563bf3be9950) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x563bf3be9900, cond=0x563bf3be9928) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x563bf3be9928, mutex=0x563bf3be9900) at pthread_cond_wait.c:638
#3  0x00007fb8c67a0b0f in QWaitConditionPrivate::wait (deadline=..., this=0x563bf3be9900) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x563bf3bea3b0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fb8c67a0c01 in QWaitCondition::wait (this=0x563bf3bea3b8, mutex=0x563bf3bea3b0, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fb8c847f109 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb8c847f3ad in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fb8c679a9d2 in QThreadPrivate::start (arg=0x563bf3bea330) at thread/qthread_unix.cpp:361
#9  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fb8871bd700 (LWP 2405)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563bf3c21540) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x563bf3c214f0, cond=0x563bf3c21518) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x563bf3c21518, mutex=0x563bf3c214f0) at pthread_cond_wait.c:638
#3  0x00007fb8c67a0b0f in QWaitConditionPrivate::wait (deadline=..., this=0x563bf3c214f0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x563bf3c21e80, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fb8c67a0c01 in QWaitCondition::wait (this=0x563bf3c21e88, mutex=0x563bf3c21e80, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fb8c847f109 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb8c847f3ad in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fb8c679a9d2 in QThreadPrivate::start (arg=0x563bf3c21e00) at thread/qthread_unix.cpp:361
#9  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fb881c26700 (LWP 2380)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563bf057f044) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x563bf057eff0, cond=0x563bf057f018) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x563bf057f018, mutex=0x563bf057eff0) at pthread_cond_wait.c:638
#3  0x00007fb8c67a0b0f in QWaitConditionPrivate::wait (deadline=..., this=0x563bf057eff0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x563bf1884190, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fb8c67a0c01 in QWaitCondition::wait (this=0x563bf1884198, mutex=0x563bf1884190, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fb8c847f109 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb8c847f3ad in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fb8c679a9d2 in QThreadPrivate::start (arg=0x563bf1884110) at thread/qthread_unix.cpp:361
#9  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fb89a7fe700 (LWP 2375)):
#0  0x00007fb8c641c96f in __GI___poll (fds=0x7fb88c26b290, nfds=1, timeout=1968022) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb8c50431ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb8c50432e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb8c69ba583 in QEventDispatcherGlib::processEvents (this=0x7fb88c03bae0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fb8c69614db in QEventLoop::exec (this=this@entry=0x7fb89a7fdd60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007fb8c6799785 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007fb8980b40bc in KCupsConnection::run() () from /lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007fb8c679a9d2 in QThreadPrivate::start (arg=0x563bf18b18e0) at thread/qthread_unix.cpp:361
#8  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fb899ffd700 (LWP 2371)):
#0  std::__atomic_base<int>::load (__m=std::memory_order_relaxed, this=0x7fb890004820) at /usr/include/c++/9/bits/atomic_base.h:413
#1  QAtomicOps<int>::load<int> (_q_value=...) at ../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:227
#2  QBasicAtomicInteger<int>::load (this=0x7fb890004820) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:103
#3  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7fb8900047c0) at kernel/qeventdispatcher_glib.cpp:263
#4  postEventSourceCheck (source=0x7fb8900047c0) at kernel/qeventdispatcher_glib.cpp:269
#5  0x00007fb8c5042be1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fb8c5043152 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fb8c50432e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fb8c69ba583 in QEventDispatcherGlib::processEvents (this=0x7fb890000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#9  0x00007fb8c69614db in QEventLoop::exec (this=this@entry=0x7fb899ffcd60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#10 0x00007fb8c6799785 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#11 0x00007fb8c83f2e1a in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007fb8c679a9d2 in QThreadPrivate::start (arg=0x563bf16232a0) at thread/qthread_unix.cpp:361
#13 0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fb89bfff700 (LWP 2366)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563beff5f354) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x563beff5f300, cond=0x563beff5f328) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x563beff5f328, mutex=0x563beff5f300) at pthread_cond_wait.c:638
#3  0x00007fb8c67a0b0f in QWaitConditionPrivate::wait (deadline=..., this=0x563beff5f300) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x563beff0ec50, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fb8c67a0c01 in QWaitCondition::wait (this=0x563beff0ec58, mutex=0x563beff0ec50, time=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007fb8c847f109 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb8c847f3ad in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fb8c679a9d2 in QThreadPrivate::start (arg=0x563beff0ebd0) at thread/qthread_unix.cpp:361
#9  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fb8af7fe700 (LWP 2354)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563bee524ebc) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x563bee524e68, cond=0x563bee524e90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x563bee524e90, mutex=0x563bee524e68) at pthread_cond_wait.c:638
#3  0x00007fb8b9d7a97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fb8b9d7a58b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fb8affff700 (LWP 2353)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563bee524ebc) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x563bee524e68, cond=0x563bee524e90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x563bee524e90, mutex=0x563bee524e68) at pthread_cond_wait.c:638
#3  0x00007fb8b9d7a97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fb8b9d7a58b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fb8b8e14700 (LWP 2352)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563bee524eb8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x563bee524e68, cond=0x563bee524e90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x563bee524e90, mutex=0x563bee524e68) at pthread_cond_wait.c:638
#3  0x00007fb8b9d7a97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fb8b9d7a58b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fb8b9615700 (LWP 2351)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563bee524eb8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x563bee524e68, cond=0x563bee524e90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x563bee524e90, mutex=0x563bee524e68) at pthread_cond_wait.c:638
#3  0x00007fb8b9d7a97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fb8b9d7a58b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fb8bb5ef700 (LWP 2335)):
#0  0x00007fb8c641c96f in __GI___poll (fds=0x7fb8b00025e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb8c50431ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb8c50432e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb8c69ba583 in QEventDispatcherGlib::processEvents (this=0x7fb8b0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fb8c69614db in QEventLoop::exec (this=this@entry=0x7fb8bb5eed80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007fb8c6799785 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007fb8c810c1a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fb8c679a9d2 in QThreadPrivate::start (arg=0x563bee3df220) at thread/qthread_unix.cpp:361
#8  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fb8c0fba700 (LWP 2217)):
#0  0x00007fb8c69ba2a1 in timerSourcePrepare (source=<optimized out>, timeout=0x7fb8c0fb9ba4) at kernel/qeventdispatcher_glib.cpp:137
#1  0x00007fb8c504272f in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb8c50430db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb8c50432e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb8c69ba583 in QEventDispatcherGlib::processEvents (this=0x7fb8b4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007fb8c69614db in QEventLoop::exec (this=this@entry=0x7fb8c0fb9d70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007fb8c6799785 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007fb8c79cdefa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fb8c679a9d2 in QThreadPrivate::start (arg=0x7fb8c7a50d80) at thread/qthread_unix.cpp:361
#9  0x00007fb8c5c40609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fb8c6429103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fb8c2d4d280 (LWP 2200)):
[KCrash Handler]
#6  0x00007fb8c7404411 in QWidgetPrivate::pointInsideRectAndMask (p=..., this=0x563bf048b130) at ../../include/QtCore/../../src/corelib/tools/qrect.h:184
#7  QWidgetPrivate::childAt_helper (this=0x563bf048b130, p=..., ignoreChildrenInDestructor=ignoreChildrenInDestructor@entry=false) at kernel/qwidget.cpp:10478
#8  0x00007fb8c740448f in QWidget::childAt (this=this@entry=0x563beff6cae0, p=...) at ../../include/QtWidgets/../../src/widgets/kernel/qwidget.h:131
#9  0x00007fb8c7d94a0d in KCheckAccelerators::eventFilter (this=0x563bee1bc760, obj=0x563beff6cae0, e=0x7fff23abca00) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qpoint.h:122
#10 0x00007fb8c696251b in QCoreApplicationPrivate::sendThroughApplicationEventFilters (event=<optimized out>, receiver=<optimized out>, this=<optimized out>) at kernel/qcoreapplication.cpp:1196
#11 QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=this@entry=0x563bee150e80, receiver=receiver@entry=0x563beff6cae0, event=event@entry=0x7fff23abca00) at kernel/qcoreapplication.cpp:1181
#12 0x00007fb8c73d6aa0 in QApplicationPrivate::notify_helper (this=this@entry=0x563bee150e80, receiver=receiver@entry=0x563beff6cae0, e=e@entry=0x7fff23abca00) at /usr/include/c++/9/bits/atomic_base.h:734
#13 0x00007fb8c73e00f0 in QApplication::notify (this=0x7fff23abcee0, receiver=0x563beff6cae0, e=0x7fff23abca00) at kernel/qapplication.cpp:3446
#14 0x00007fb8c696293a in QCoreApplication::notifyInternal2 (receiver=0x563beff6cae0, event=0x7fff23abca00) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#15 0x00007fb8c6d4b7d3 in QGuiApplicationPrivate::processMouseEvent (e=e@entry=0x563bf0684f00) at kernel/qguiapplication.cpp:2107
#16 0x00007fb8c6d4d10b in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x563bf0684f00) at kernel/qguiapplication.cpp:1842
#17 0x00007fb8c6d2735b in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1151
#18 0x00007fb8c23cb32e in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#19 0x00007fb8c5042fbd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fb8c5043240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fb8c50432e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fb8c69ba565 in QEventDispatcherGlib::processEvents (this=0x563bee1c58d0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#23 0x00007fb8c69614db in QEventLoop::exec (this=this@entry=0x7fff23abcda0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#24 0x00007fb8c6969246 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#25 0x0000563beca5cb25 in main (argc=<optimized out>, argv=<optimized out>) at ./shell/main.cpp:228
[Inferior 1 (process 2200) detached]

Possible duplicates by query: bug 403999.

Reported using DrKonqi