Application: systemsettings5 (5.20.2)

Qt Version: 5.15.1
Frameworks Version: 5.76.0
Operating System: Linux 5.4.0-54-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.20

-- Information about the crash:
- What I was doing when the application crashed:

1.Open System Settings
2.Go to workplace setting
3.Select screen locking
4.Open apperance window
5.Try to open activities

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault

[New LWP 88424]
[New LWP 88425]
[New LWP 88426]
[New LWP 88427]
[New LWP 88428]
[New LWP 88433]
[New LWP 88434]
[New LWP 88438]
[New LWP 88466]
[New LWP 88467]
[New LWP 88469]
[New LWP 88470]
[New LWP 88471]
[New LWP 88472]
[New LWP 88473]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f93edc0faff in __GI___poll (fds=0x7ffe89fdd7a8, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7f93e98ad880 (LWP 88421))]

Thread 16 (Thread 0x7f9386ffd700 (LWP 88473)):
#0  0x00007f93ebd0d72d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f93ebd0f185 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93ebd1066b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93ebd110db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f93ebd112e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f93ee1d924b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f93ee17d43b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f93edf99982 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f93ed45535a in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f93edf9ab1c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f93877fe700 (LWP 88472)):
#0  0x00007f93ee1d7ad0 in QTimerInfoList::timerWait(timespec&) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f93ee1d8fa6 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f93ebd1072f in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93ebd110db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f93ebd112e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f93ee1d924b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f93ee17d43b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f93edf99982 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f93edf9ab1c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f9387fff700 (LWP 88471)):
#0  0x00007f93ebd5e33d in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f93ebd11194 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93ebd11533 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9399189eda in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f93ebd3a931 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f9398cde700 (LWP 88470)):
#0  0x00007f93ebd5e33d in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f93ebd11194 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93ebd112e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93ebd11331 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f93ebd3a931 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f939ad27700 (LWP 88469)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ee8d5105f0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ee8d5105a0, cond=0x55ee8d5105c8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ee8d5105c8, mutex=0x55ee8d5105a0) at pthread_cond_wait.c:638
#3  0x00007f93edfa0ceb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f93ed51a774 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f93ed51abe9 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f93edf9ab1c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f939bfff700 (LWP 88467)):
#0  0x00007f93ebd5e33d in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f93ebd11194 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93ebd112e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93ee1d924b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f93ee17d43b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f93edf99982 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f93edf9ab1c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f939b7fe700 (LWP 88466)):
#0  0x00007f93ebd10854 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f93ebd110db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93ebd112e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93ee1d924b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f93ee17d43b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f93edf99982 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f93edf9ab1c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f93a3fff700 (LWP 88438)):
#0  0x00007f93ebd5e33d in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f93ebd11194 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93ebd112e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93ee1d924b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f93ee17d43b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f93edf99982 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f93ed1a0d69 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f93edf9ab1c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f93cdb8e700 (LWP 88434)):
#0  0x00007f93ebd5e368 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f93ebd1105d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93ebd112e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93ee1d924b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f93ee17d43b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f93edf99982 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f93ed1a0d69 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f93edf9ab1c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f93cf7fe700 (LWP 88433)):
#0  0x00007f93edc0faff in __GI___poll (fds=0x7f93a4005240, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f93ebd111ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93ebd112e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93ee1d924b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f93ee17d43b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f93edf99982 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f93ed1a0d69 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f93edf9ab1c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f93c6969700 (LWP 88428)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ee8bb2cf18) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ee8bb2cec8, cond=0x55ee8bb2cef0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ee8bb2cef0, mutex=0x55ee8bb2cec8) at pthread_cond_wait.c:638
#3  0x00007f93e11b362b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f93e11b323b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f93d716a700 (LWP 88427)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ee8bb2cf18) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ee8bb2cec8, cond=0x55ee8bb2cef0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ee8bb2cef0, mutex=0x55ee8bb2cec8) at pthread_cond_wait.c:638
#3  0x00007f93e11b362b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f93e11b323b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f93d796b700 (LWP 88426)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ee8bb2cf18) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ee8bb2cec8, cond=0x55ee8bb2cef0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ee8bb2cef0, mutex=0x55ee8bb2cec8) at pthread_cond_wait.c:638
#3  0x00007f93e11b362b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f93e11b323b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f93e0ad0700 (LWP 88425)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ee8bb2cf18) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ee8bb2cec8, cond=0x55ee8bb2cef0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ee8bb2cef0, mutex=0x55ee8bb2cec8) at pthread_cond_wait.c:638
#3  0x00007f93e11b362b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f93e11b323b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f93e3a2d700 (LWP 88424)):
#0  __GI___libc_read (nbytes=16, buf=0x7f93e3a2cae0, fd=7) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=7, buf=0x7f93e3a2cae0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f93ebd5989f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93ebd10cfe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f93ebd11152 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f93ebd112e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f93ee1d924b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f93ee17d43b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f93edf99982 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f93ecdbbf4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x00007f93edf9ab1c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f93ec623609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f93edc1c293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f93e98ad880 (LWP 88421)):
[KCrash Handler]
#4  0x00007f93ecffa95e in QV4::QObjectWrapper::getQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, bool*, QQmlPropertyData**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#5  0x00007f93ecfd4c92 in QV4::QQmlContextWrapper::getPropertyAndBase(QV4::QQmlContextWrapper const*, QV4::PropertyKey, QV4::Value const*, bool*, QV4::Value*, QV4::Lookup*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f93ecfd55e4 in QV4::QQmlContextWrapper::resolveQmlContextPropertyLookupGetter(QV4::Lookup*, QV4::ExecutionEngine*, QV4::Value*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f93ed01b81c in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f93ed020fcf in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f93ecfae1ed in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f93ed154e27 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f93ed0f785e in QQmlBoundSignalExpression::evaluate(void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f93ed0f88f8 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f93ed1335fd in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f93ed0d5f6f in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f93ee1b54d5 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f93ed0f3f99 in QQmlContextData::emitDestruction() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f93ed0f3fbf in QQmlContextData::emitDestruction() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007f93ed0f3fbf in QQmlContextData::emitDestruction() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007f93ed0f3fbf in QQmlContextData::emitDestruction() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007f93ed0f3fbf in QQmlContextData::emitDestruction() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007f93ed0f40ad in QQmlContextData::invalidate() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007f93ed0f3d4b in QQmlContextData::destroy() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007f93ed0f3efd in QQmlContext::~QQmlContext() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x00007f93ed0f3f1d in QQmlContext::~QQmlContext() () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#25 0x00007f93ee1a8f4e in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f93ee1b3976 in QObject::~QObject() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f93ed89574d in KDeclarative::QmlObjectSharedEngine::~QmlObjectSharedEngine() () from /lib/x86_64-linux-gnu/libKF5Declarative.so.5
#28 0x00007f93ef701eb5 in KQuickAddons::ConfigModule::~ConfigModule() () from /lib/x86_64-linux-gnu/libKF5QuickAddons.so.5
#29 0x00007f93cc512ca6 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_screenlocker.so
#30 0x00007f93ef82fd27 in ?? () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#31 0x00007f93ef82fd5d in ?? () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#32 0x00007f93ef835e98 in KCModuleProxy::deleteClient() () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#33 0x00007f93ef835fa1 in KCModuleProxy::~KCModuleProxy() () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#34 0x00007f93ef83613d in KCModuleProxy::~KCModuleProxy() () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#35 0x00007f93ee1a8f4e in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f93eedb5596 in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007f93eedb578d in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007f93ee1a8f4e in QObjectPrivate::deleteChildren() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007f93eedb5596 in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007f93eef19abd in QScrollArea::~QScrollArea() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007f93ef53f27a in KPageWidgetItem::~KPageWidgetItem() () from /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#42 0x00007f93ef53f34d in KPageWidgetItem::~KPageWidgetItem() () from /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#43 0x00007f93ef53ff6f in ?? () from /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#44 0x00007f93ef540b6c in KPageWidgetModel::removePage(KPageWidgetItem*) () from /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#45 0x00007f93ef88127d in ModuleView::closeModules() () from /lib/x86_64-linux-gnu/libsystemsettingsview.so.3
#46 0x00007f93e001ba2d in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/systemsettings_sidebar_mode.so
#47 0x00007f93e001980e in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/systemsettings_sidebar_mode.so
#48 0x00007f93e0019da3 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/systemsettings_sidebar_mode.so
#49 0x00007f93ed133b95 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#50 0x00007f93ecffc615 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#51 0x00007f93ecffe717 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#52 0x00007f93ecfff8ff in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#53 0x00007f93ed01f091 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#54 0x00007f93ed020fcf in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#55 0x00007f93ecfae1ed in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#56 0x00007f93ed154e27 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#57 0x00007f93ed0f785e in QQmlBoundSignalExpression::evaluate(void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#58 0x00007f93ed0f88f8 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#59 0x00007f93ed1335fd in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#60 0x00007f93ed0d5f6f in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#61 0x00007f93ee1b54d5 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#62 0x00007f93e3db1a41 in QQuickAbstractButtonPrivate::handleRelease(QPointF const&) () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#63 0x00007f93e3dd0ac9 in QQuickControl::mouseReleaseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5
#64 0x00007f93ed566508 in QQuickItem::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#65 0x00007f93eed76da3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#66 0x00007f93eed7fb98 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#67 0x00007f93ee17e92a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#68 0x00007f93ed580945 in QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#69 0x00007f93ed58206f in QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#70 0x00007f93ed582f99 in QQuickWindowPrivate::handleMouseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#71 0x00007f93ee68cd4d in QWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#72 0x00007f93ed584a0b in QQuickWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#73 0x00007f93eed76da3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#74 0x00007f93eed7fb98 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#75 0x00007f93ee17e92a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#76 0x00007f93ed8abc5b in QQuickWidget::mouseReleaseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#77 0x00007f93eedb9be6 in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#78 0x00007f93ed8abe03 in QQuickWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#79 0x00007f93eed76da3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#80 0x00007f93eed7fe57 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#81 0x00007f93ee17e92a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#82 0x00007f93eed7f087 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#83 0x00007f93eedd4e34 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#84 0x00007f93eedd8154 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#85 0x00007f93eed76da3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#86 0x00007f93eed7fb98 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#87 0x00007f93ee17e92a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#88 0x00007f93ee68153b in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#89 0x00007f93ee682ab5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#90 0x00007f93ee65a7ab in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#91 0x00007f93e91d4b2e in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#92 0x00007f93ebd10fbd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#93 0x00007f93ebd11240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#94 0x00007f93ebd112e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#95 0x00007f93ee1d9232 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#96 0x00007f93ee17d43b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#97 0x00007f93ee1855e4 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#98 0x000055ee89d3f112 in ?? ()
#99 0x00007f93edb210b3 in __libc_start_main (main=0x55ee89d3e8c0, argc=1, argv=0x7ffe89fe44f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe89fe44e8) at ../csu/libc-start.c:308
#100 0x000055ee89d3fd1e in _start ()
[Inferior 1 (process 88421) detached]

Possible duplicates by query: bug 428461, bug 427444, bug 423220, bug 421261, bug 421107.

Reported using DrKonqi