Bug 446571

Application: systemsettings5 (5.23.4)

Qt Version: 5.15.3
Frameworks Version: 5.88.0
Operating System: Linux 5.11.0-41-generic x86_64
Windowing System: X11
Distribution: KDE neon User - Plasma 25th Anniversary Edition
DrKonqi: 5.23.4 [KCrashBackend]

-- Information about the crash:
No real info to tell apart from that as soon as I logged in after the update, system settings started crashing upon opening

The crash can be reproduced every time.

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

[New LWP 1650]
[New LWP 1651]
[New LWP 1652]
[New LWP 1653]
[New LWP 1654]
[New LWP 1655]
[New LWP 1660]
[New LWP 1661]
[New LWP 1665]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007fb34d515aff in __GI___poll (fds=0x7ffcb0df6eb8, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
__preamble__
____drkonqi_qmltrace_thread:1____
Failed to do pygdbmi parsing: No module named 'pygdbmi'
frame={level="0",func="expression for topMargin",file="/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/FormLayout.qml",fullname="/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/FormLa".
---------------------------------
(beware that frames may have been optimized out)

[Current thread is 1 (Thread 0x7fb348d4c9c0 (LWP 1648))]

Thread 10 (Thread 0x7fb30ef3d700 (LWP 1665)):
#0  __GI___libc_read (nbytes=16, buf=0x7fb30ef3c9b0, fd=25) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=25, buf=0x7fb30ef3c9b0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fb34b64eb2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb34b605ebe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb34b606312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb34b6064a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fb34dae361b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fb34da878ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb34d8a12c2 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fb34c930549 in QQmlThreadPrivate::run (this=0x55b4f751c260) at qml/ftw/qqmlthread.cpp:155
#10 0x00007fb34d8a245c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fb34bfc4609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007fb34d522293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fb30ffff700 (LWP 1661)):
#0  0x00007fb34d515aff in __GI___poll (fds=0x7fb304004a30, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb34b60636e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb34b6064a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb34dae361b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb34da878ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb34d8a12c2 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb34c930549 in QQmlThreadPrivate::run (this=0x55b4f73d8be0) at qml/ftw/qqmlthread.cpp:155
#7  0x00007fb34d8a245c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb34bfc4609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fb34d522293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fb331847700 (LWP 1660)):
#0  __GI___libc_read (nbytes=16, buf=0x7fb3318469b0, fd=20) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=20, buf=0x7fb3318469b0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fb34b64eb2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb34b605ebe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb34b606312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb34b6064a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fb34dae361b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fb34da878ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb34d8a12c2 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fb34c930549 in QQmlThreadPrivate::run (this=0x55b4f71205f0) at qml/ftw/qqmlthread.cpp:155
#10 0x00007fb34d8a245c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fb34bfc4609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007fb34d522293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fb33e7fc700 (LWP 1655)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b4f6e672c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b4f6e67278, cond=0x55b4f6e672a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b4f6e672a0, mutex=0x55b4f6e67278) at pthread_cond_wait.c:638
#3  0x00007fb3443c5e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fb3443c5a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007fb34bfc4609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb34d522293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fb33effd700 (LWP 1654)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b4f6e672c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b4f6e67278, cond=0x55b4f6e672a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b4f6e672a0, mutex=0x55b4f6e67278) at pthread_cond_wait.c:638
#3  0x00007fb3443c5e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fb3443c5a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007fb34bfc4609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb34d522293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fb33f7fe700 (LWP 1653)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b4f6e672c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b4f6e67278, cond=0x55b4f6e672a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b4f6e672a0, mutex=0x55b4f6e67278) at pthread_cond_wait.c:638
#3  0x00007fb3443c5e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fb3443c5a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007fb34bfc4609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb34d522293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fb33ffff700 (LWP 1652)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b4f6e672c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b4f6e67278, cond=0x55b4f6e672a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b4f6e672a0, mutex=0x55b4f6e67278) at pthread_cond_wait.c:638
#3  0x00007fb3443c5e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fb3443c5a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007fb34bfc4609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb34d522293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fb3470ca700 (LWP 1651)):
#0  0x00007fb34b6534dd in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb34b605dac in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb34b606312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb34b6064a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb34dae361b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb34da878ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb34d8a12c2 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fb34c54bf4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fb34d8a245c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fb34bfc4609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fb34d522293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fb347f54700 (LWP 1650)):
#0  0x00007fb34d515aff in __GI___poll (fds=0x7fb347f53ae8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb34c009c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fb34c00b90a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fb3486a2e88 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fb34d8a245c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb34bfc4609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb34d522293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fb348d4c9c0 (LWP 1648)):
[KCrash Handler]
#4  0x00007fb34c8f8d22 in QV4::QQmlTypeWrapper::virtualInstanceOf (typeObject=0x7ffcb0df7d70, var=...) at qml/qqmltypewrapper.cpp:423
#5  0x00007fb34c7c0248 in QV4::Object::instanceOf (var=..., this=0x7ffcb0df7d70) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/memory/qv4heap_p.h:73
#6  QV4::Runtime::Instanceof::call (engine=0x55b4f7521af0, lval=..., rval=...) at jsruntime/qv4runtime.cpp:387
#7  0x00007fb34c7ad9e0 in QV4::Moth::VME::interpret (frame=0x7ffcb0df7e50, engine=0x55b4f7521af0, code=0x7fb30dca7a1b "L\020/\276") at jsruntime/qv4vme_moth.cpp:351
#8  0x00007fb34c7b111f in QV4::Moth::VME::exec (frame=frame@entry=0x7ffcb0df7e50, engine=engine@entry=0x55b4f7521af0) at jsruntime/qv4vme_moth.cpp:463
#9  0x00007fb34c73e2fd in QV4::Function::call (this=this@entry=0x55b4f75b9a60, thisObject=<optimized out>, argv=argv@entry=0x7fb30e2fe768, argc=<optimized out>, context=<optimized out>) at jsruntime/qv4function.cpp:69
#10 0x00007fb34c8e3fb7 in QQmlJavaScriptExpression::evaluate (this=this@entry=0x55b4f771e5c0, callData=callData@entry=0x7fb30e2fe738, isUndefined=isUndefined@entry=0x7ffcb0df804f) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4value_p.h:343
#11 0x00007fb34c8e9e13 in QQmlBinding::evaluate (this=this@entry=0x55b4f771e5c0, isUndefined=isUndefined@entry=0x7ffcb0df804f) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4jscall_p.h:95
#12 0x00007fb34c8ee2ed in QQmlNonbindingBinding::doUpdate (this=0x55b4f771e5c0, watcher=..., flags=..., scope=...) at qml/qqmlbinding.cpp:254
#13 0x00007fb34c8eb112 in QQmlBinding::update (this=0x55b4f771e5c0, flags=...) at qml/qqmlbinding.cpp:194
#14 0x00007fb34c8fd45e in QQmlObjectCreator::finalize (this=0x55b4f751b8b0, interrupt=...) at qml/qqmlobjectcreator.cpp:1394
#15 0x00007fb34c87921b in QQmlComponentPrivate::complete (state=0x55b4f75d4df8, enginePriv=0x55b4f753fab0) at qml/qqmlcomponent.cpp:987
#16 QQmlComponentPrivate::complete (enginePriv=0x55b4f753fab0, state=0x55b4f75d4df8) at qml/qqmlcomponent.cpp:983
#17 0x00007fb34c87c576 in QQmlComponentPrivate::completeCreate (this=0x55b4f75d4d70) at qml/qqmlcomponent.cpp:1079
#18 0x00007fb34c87cc9b in QQmlComponent::createObject(QQmlV4Function*) () at qml/qqmlcomponent.cpp:1491
#19 0x00007fb34c87cfe4 in QQmlComponent::qt_static_metacall (_o=_o@entry=0x55b4f75d4d50, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=6, _a=_a@entry=0x7ffcb0df8520) at .moc/moc_qqmlcomponent.cpp:163
#20 0x00007fb34c87d523 in QQmlComponent::qt_metacall (this=0x55b4f75d4d50, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0x7ffcb0df8520) at .moc/moc_qqmlcomponent.cpp:231
#21 0x00007fb34c8c3bf5 in QQmlObjectOrGadget::metacall (this=0x7ffcb0df8450, type=QMetaObject::InvokeMetaMethod, index=<optimized out>, argv=<optimized out>) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/ftw/qflagpointer_p.h:351
#22 0x00007fb34c78f9f5 in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:285
#23 0x00007fb34c7af1e1 in QV4::FunctionObject::call (argc=<optimized out>, argv=<optimized out>, thisObject=<optimized out>, this=<optimized out>) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4functionobject_p.h:172
#24 QV4::Moth::VME::interpret (frame=0x7ffcb0df8740, engine=0x55b4f7521af0, code=0x7fb30e2fe658 "@\350\332\r\263\177") at jsruntime/qv4vme_moth.cpp:754
#25 0x00007fb34c7b111f in QV4::Moth::VME::exec (frame=frame@entry=0x7ffcb0df8740, engine=engine@entry=0x55b4f7521af0) at jsruntime/qv4vme_moth.cpp:463
#26 0x00007fb34c73e2fd in QV4::Function::call (this=this@entry=0x55b4f75bb0a0, thisObject=<optimized out>, argv=argv@entry=0x7fb30e2fe5e8, argc=<optimized out>, context=<optimized out>) at jsruntime/qv4function.cpp:69
#27 0x00007fb34c8e3fb7 in QQmlJavaScriptExpression::evaluate (this=this@entry=0x55b4f75d4580, callData=callData@entry=0x7fb30e2fe5b8, isUndefined=isUndefined@entry=0x0) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4value_p.h:343
#28 0x00007fb34c8878be in QQmlBoundSignalExpression::evaluate (this=<optimized out>, a=<optimized out>) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4jscall_p.h:95
#29 0x00007fb34c888958 in QQmlBoundSignal_callback (e=0x55b4f75d4510, a=0x0) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/qqmlboundsignalexpressionpointer_p.h:69
#30 0x00007fb34c8c365d in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=a@entry=0x0) at qml/qqmlnotifier.cpp:104
#31 0x00007fb34c865fcf in QQmlData::signalEmitted (object=0x55b4f75d42d0, index=3, a=0x0) at qml/qqmlengine.cpp:834
#32 0x00007fb34dabf955 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fb34c952123 in QQmlTimer::qt_metacall (this=0x55b4f75d42d0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7ffcb0dfa5d0) at .moc/moc_qqmltimer_p.cpp:241
#34 0x00007fb34c8c3bf5 in QQmlObjectOrGadget::metacall (this=this@entry=0x7ffcb0dfa8c0, type=type@entry=QMetaObject::InvokeMetaMethod, index=<optimized out>, index@entry=5, argv=argv@entry=0x7ffcb0dfa5d0) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/ftw/qflagpointer_p.h:351
#35 0x00007fb34c78cb34 in CallMethod (object=..., index=5, returnType=returnType@entry=43, argCount=argCount@entry=0, argTypes=argTypes@entry=0x0, engine=engine@entry=0x55b4f7521af0, callArgs=0x7fb30e2fe580, callType=QMetaObject::InvokeMetaMethod) at jsruntime/qv4qobjectwrapper.cpp:1319
#36 0x00007fb34c78e7a4 in CallPrecise (object=..., data=..., engine=0x55b4f7521af0, callArgs=0x7fb30e2fe580, callType=QMetaObject::InvokeMetaMethod) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:285
#37 0x00007fb34c78f75a in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () at jsruntime/qv4qobjectwrapper.cpp:2131
#38 0x00007fb34c7af1e1 in QV4::FunctionObject::call (argc=<optimized out>, argv=<optimized out>, thisObject=<optimized out>, this=<optimized out>) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4functionobject_p.h:172
#39 QV4::Moth::VME::interpret (frame=0x7ffcb0dfabb0, engine=0x55b4f7521af0, code=0x7fb30e2fe538 "\240\341\324\r\263\177") at jsruntime/qv4vme_moth.cpp:754
#40 0x00007fb34c7b111f in QV4::Moth::VME::exec (frame=frame@entry=0x7ffcb0dfabb0, engine=engine@entry=0x55b4f7521af0) at jsruntime/qv4vme_moth.cpp:463
#41 0x00007fb34c73e2fd in QV4::Function::call (this=this@entry=0x55b4f75ba690, thisObject=<optimized out>, argv=argv@entry=0x7fb30e2fe500, argc=<optimized out>, context=<optimized out>) at jsruntime/qv4function.cpp:69
#42 0x00007fb34c8e3fb7 in QQmlJavaScriptExpression::evaluate (this=this@entry=0x55b4f75d5830, callData=callData@entry=0x7fb30e2fe4d0, isUndefined=isUndefined@entry=0x0) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4value_p.h:343
#43 0x00007fb34c8878be in QQmlBoundSignalExpression::evaluate (this=<optimized out>, a=<optimized out>) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4jscall_p.h:95
#44 0x00007fb34c888958 in QQmlBoundSignal_callback (e=0x55b4f75d57e0, a=0x0) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/qqmlboundsignalexpressionpointer_p.h:69
#45 0x00007fb34c8c365d in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=a@entry=0x0) at qml/qqmlnotifier.cpp:104
#46 0x00007fb34c865fcf in QQmlData::signalEmitted (object=0x55b4f75d54e0, index=3, a=0x0) at qml/qqmlengine.cpp:834
#47 0x00007fb34dabf955 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#48 0x00007fb34c8fd924 in QQmlObjectCreator::finalize (this=0x55b4f751c140, interrupt=...) at qml/qqmlobjectcreator.cpp:1442
#49 0x00007fb34c880e05 in QQmlIncubatorPrivate::incubate (this=0x55b4f7524510, i=...) at qml/qqmlincubator.cpp:364
#50 0x00007fb34c881376 in QQmlEnginePrivate::incubate (this=0x55b4f753fab0, i=..., forContext=<optimized out>) at qml/qqmlincubator.cpp:89
#51 0x00007fb34c87aafe in QQmlComponent::create(QQmlIncubator&, QQmlContext*, QQmlContext*) () at qml/qqmlcomponent.cpp:1178
#52 0x00007fb34d02bf51 in KDeclarative::QmlObject::completeInitialization(QHash<QString, QVariant> const&) () from /lib/x86_64-linux-gnu/libKF5Declarative.so.5
#53 0x00007fb34f068049 in ?? () from /lib/x86_64-linux-gnu/libKF5QuickAddons.so.5
#54 0x00007fb34f191c31 in KCModuleLoader::loadModule(KCModuleInfo const&, KCModuleLoader::ErrorReporting, QWidget*, QStringList const&) () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#55 0x00007fb34f19e709 in ?? () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#56 0x00007fb34f19f3c8 in KCModuleProxy::realModule() const () from /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#57 0x00007fb34f1e9da0 in ModuleView::updatePageIconHeader(KPageWidgetItem*, bool) () from /lib/x86_64-linux-gnu/libsystemsettingsview.so.3
#58 0x00007fb34f1eb814 in ModuleView::addModule(KCModuleInfo*, QStringList const&) () from /lib/x86_64-linux-gnu/libsystemsettingsview.so.3
#59 0x00007fb34f1ebbda in ModuleView::loadModule(QModelIndex const&, QStringList const&) () from /lib/x86_64-linux-gnu/libsystemsettingsview.so.3
#60 0x00007fb33c266b9f in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/systemsettingsview/systemsettings_sidebar_mode.so
#61 0x00007fb33c266ee1 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/systemsettingsview/systemsettings_sidebar_mode.so
#62 0x000055b4f64ed5ef in ?? ()
#63 0x000055b4f64f02ac in ?? ()
#64 0x00007fb34dab6949 in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#65 0x00007fb34e6e1c9d in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#66 0x00007fb34e7faae8 in QMainWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#67 0x00007fb34f0e80d3 in KMainWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#68 0x00007fb34f1381db in KXmlGuiWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#69 0x00007fb34e69edc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#70 0x00007fb34e6a7bb8 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#71 0x00007fb34da88daa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#72 0x00007fb34da8b6b1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#73 0x00007fb34dae3fa7 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#74 0x00007fb34b60617d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#75 0x00007fb34b606400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#76 0x00007fb34b6064a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#77 0x00007fb34dae3602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#78 0x00007fb34da878ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#79 0x00007fb34da8fa64 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#80 0x000055b4f64ea332 in ?? ()
#81 0x00007fb34d4270b3 in __libc_start_main (main=0x55b4f64e9ae0, argc=1, argv=0x7ffcb0dfdc98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffcb0dfdc88) at ../csu/libc-start.c:308
#82 0x000055b4f64eaf8e in ?? ()
[Inferior 1 (process 1648) detached]

Possible duplicates by query: bug 446570, bug 446562, bug 445453, bug 445432, bug 445430.

Reported using DrKonqi