Application: systemsettings5 (5.23.0)

Qt Version: 5.15.3
Frameworks Version: 5.87.0
Operating System: Linux 5.11.0-38-generic x86_64
Windowing System: X11
Distribution: KDE neon User - Plasma 25th Anniversary Edition
DrKonqi: 5.23.0 [KCrashBackend]

-- Information about the crash:
Bonjour,
Voici le problème. 

J'ai voulue installer un thème sur KDE 5.23.0 avec la framework 5.87.0 et le Qt 5.13.3 et je me suis rendue comte que quelque sois le thème que j'installais l'application paramettre système crashais a chaque foi (je précise que je suis encore sur une base ubuntu focal fossa et que je n'ai pas encore fait la migration)

c'est une Machine virtuel de test visant a me faire partir sur KDE neo fonctionnant sur le serveur graphique X11

Je vous signale çe bug malgrer tout pour que vous puissier le corriger dans le futur

En restant a votre disposition pour d'aventage d'informations

Cordialement
Emmanuel PRICOT

The crash can be reproduced every time.

-- Backtrace:
Application: Configuration du système (systemsettings5), signal: Segmentation fault

[New LWP 1289]
[New LWP 1300]
[New LWP 1350]
[New LWP 1352]
[New LWP 1397]
[New LWP 1400]
[New LWP 1401]
[New LWP 1402]
[New LWP 1403]
[New LWP 1404]
[New LWP 1405]
[New LWP 1407]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f5946979aff in __GI___poll (fds=0x7ffc947e8eb8, 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="onEntryEvent",file="/usr/share/kpackage/kcms/kcm_lookandfeel/contents/ui/main.qml",fullname="/usr/share/kpackage/kcms/kcm_lookandfeel/contents/ui/main.qml",line="124",lan".
---------------------------------
(beware that frames may have been optimized out)

[Current thread is 1 (Thread 0x7f59421ae9c0 (LWP 1270))]

Thread 13 (Thread 0x7f5909640700 (LWP 1407)):
#0  0x00007f5944ab8508 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5944a6a888 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5944a6b29b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5944a6b4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5946f475eb in QEventDispatcherGlib::processEvents (this=0x7f58e8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f5946eeb87b in QEventLoop::exec (this=this@entry=0x7f590963fba0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f5946d05292 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f594604b3ba in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f5946d0642c in QThreadPrivate::start (arg=0x562620116d20) at thread/qthread_unix.cpp:329
#9  0x00007f594542a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f5946986293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f590a642700 (LWP 1405)):
#0  0x00007f5944ab8508 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5944a6a8e1 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5944a6b29b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5944a6b4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5946f475eb in QEventDispatcherGlib::processEvents (this=0x7f58f0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f5946eeb87b in QEventLoop::exec (this=this@entry=0x7f590a641be0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f5946d05292 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f5946d0642c in QThreadPrivate::start (arg=0x56261f9f7b40) at thread/qthread_unix.cpp:329
#8  0x00007f594542a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f5946986293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f590ae43700 (LWP 1404)):
#0  0x00007f5944a6b370 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5944a6b6f3 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5924136f8a in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
#3  0x00007f5944a94ad1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f594542a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007f5946986293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f590b644700 (LWP 1403)):
#0  0x00007f5944a6abee in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5944a6b312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5944a6b4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5944a6b4f1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5944a94ad1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f594542a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f5946986293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f590bfff700 (LWP 1402)):
#0  0x00007f5944a692df in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5944a6acbf in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5944a6b312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5944a6b4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5946f475eb in QEventDispatcherGlib::processEvents (this=0x7f5900000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f5946eeb87b in QEventLoop::exec (this=this@entry=0x7f590bffebe0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f5946d05292 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f5946d0642c in QThreadPrivate::start (arg=0x562620829250) at thread/qthread_unix.cpp:329
#8  0x00007f594542a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f5946986293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f59157ff700 (LWP 1401)):
#0  0x00007f5944ab8508 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5944a6b4ae in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5946f475eb in QEventDispatcherGlib::processEvents (this=0x7f5904000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#3  0x00007f5946eeb87b in QEventLoop::exec (this=this@entry=0x7f59157febe0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#4  0x00007f5946d05292 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#5  0x00007f5946d0642c in QThreadPrivate::start (arg=0x56261dd481a0) at thread/qthread_unix.cpp:329
#6  0x00007f594542a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f5946986293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f591744c700 (LWP 1400)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f590c005844) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56261d4af848, cond=0x7f590c005818) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f590c005818, mutex=0x56261d4af848) at pthread_cond_wait.c:638
#3  0x00007f594546fdf0 in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007f5945471a02 in xcb_wait_for_special_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#5  0x00007f59406e2076 in glPrimitiveBoundingBox () from /lib/x86_64-linux-gnu/libGLX_mesa.so.0
#6  0x00007f59406e23fa in glPrimitiveBoundingBox () from /lib/x86_64-linux-gnu/libGLX_mesa.so.0
#7  0x00007f59406e3636 in glPrimitiveBoundingBox () from /lib/x86_64-linux-gnu/libGLX_mesa.so.0
#8  0x00007f59406e4712 in glPrimitiveBoundingBox () from /lib/x86_64-linux-gnu/libGLX_mesa.so.0
#9  0x00007f593961a4f3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/vmwgfx_dri.so
#10 0x00007f593961c624 in ?? () from /usr/lib/x86_64-linux-gnu/dri/vmwgfx_dri.so
#11 0x00007f593967649c in ?? () from /usr/lib/x86_64-linux-gnu/dri/vmwgfx_dri.so
#12 0x00007f5939676ad0 in ?? () from /usr/lib/x86_64-linux-gnu/dri/vmwgfx_dri.so
#13 0x00007f59396a52c5 in ?? () from /usr/lib/x86_64-linux-gnu/dri/vmwgfx_dri.so
#14 0x00007f59396aa488 in ?? () from /usr/lib/x86_64-linux-gnu/dri/vmwgfx_dri.so
#15 0x00007f59460abb0a in QSGBatchRenderer::Renderer::renderBatches() () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f59460ac22a in QSGBatchRenderer::Renderer::render() () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f594608fde4 in QSGRenderer::renderScene(QSGBindable const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f59460902b3 in QSGRenderer::renderScene(unsigned int) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007f59460fefa7 in QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f594616c8f9 in QQuickWindowPrivate::renderSceneGraph(QSize const&, QSize const&) () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f594610cae9 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f5946110f77 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007f5946d0642c in QThreadPrivate::start (arg=0x56261fc90220) at thread/qthread_unix.cpp:329
#24 0x00007f594542a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#25 0x00007f5946986293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f592675a700 (LWP 1397)):
#0  0x00007f5944ab8508 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5944a6b21d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5944a6b4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5946f475eb in QEventDispatcherGlib::processEvents (this=0x7f5910038540, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f5946eeb87b in QEventLoop::exec (this=this@entry=0x7f5926759bc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f5946d05292 in QThread::exec (this=this@entry=0x56261dfd03e0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f5945d96549 in QQmlThreadPrivate::run (this=0x56261dfd03e0) at qml/ftw/qqmlthread.cpp:155
#7  0x00007f5946d0642c in QThreadPrivate::start (arg=0x56261dfd03e0) at thread/qthread_unix.cpp:329
#8  0x00007f594542a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f5946986293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f5927bff700 (LWP 1352)):
#0  0x00007f5944ab8508 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5944a6b329 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5944a6b4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5946f475eb in QEventDispatcherGlib::processEvents (this=0x7f591c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f5946eeb87b in QEventLoop::exec (this=this@entry=0x7f5927bfebc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f5946d05292 in QThread::exec (this=this@entry=0x56261dc2d6a0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f5945d96549 in QQmlThreadPrivate::run (this=0x56261dc2d6a0) at qml/ftw/qqmlthread.cpp:155
#7  0x00007f5946d0642c in QThreadPrivate::start (arg=0x56261dc2d6a0) at thread/qthread_unix.cpp:329
#8  0x00007f594542a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f5946986293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f592d1c5700 (LWP 1350)):
#0  timerSourcePrepare (source=0x7f5918004cf0, timeout=0x7f592d1c49f4) at kernel/qeventdispatcher_glib.cpp:154
#1  0x00007f5944a6a8ef in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5944a6b29b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5944a6b4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5946f475eb in QEventDispatcherGlib::processEvents (this=0x7f5918000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f5946eeb87b in QEventLoop::exec (this=this@entry=0x7f592d1c4bc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f5946d05292 in QThread::exec (this=this@entry=0x56261d94f240) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f5945d96549 in QQmlThreadPrivate::run (this=0x56261d94f240) at qml/ftw/qqmlthread.cpp:155
#8  0x00007f5946d0642c in QThreadPrivate::start (arg=0x56261d94f240) at thread/qthread_unix.cpp:329
#9  0x00007f594542a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f5946986293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f593bfff700 (LWP 1300)):
#0  0x00007f5944a6a750 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5944a6b29b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5944a6b4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5946f475eb in QEventDispatcherGlib::processEvents (this=0x7f5934000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f5946eeb87b in QEventLoop::exec (this=this@entry=0x7f593bffebb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f5946d05292 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f59459b1f4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f5946d0642c in QThreadPrivate::start (arg=0x7f5945a35d80) at thread/qthread_unix.cpp:329
#8  0x00007f594542a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f5946986293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f5941640700 (LWP 1289)):
#0  0x00007f5946979aff in __GI___poll (fds=0x7f594163fae8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f594546fc1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f594547190a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f5941d8ee88 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f5946d0642c in QThreadPrivate::start (arg=0x56261d4a8a90) at thread/qthread_unix.cpp:329
#5  0x00007f594542a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f5946986293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f59421ae9c0 (LWP 1270)):
[KCrash Handler]
#4  0x00007f5946e049cd in QDir::fromNativeSeparators(QString const&) () at /usr/include/c++/9/bits/atomic_base.h:318
#5  0x00007f5946e18b67 in QFileInfoPrivate::QFileInfoPrivate (file=..., this=0x5626206c5420) at /usr/include/c++/9/bits/atomic_base.h:279
#6  QFileInfo::QFileInfo (this=0x7ffc947e9b38, file=...) at io/qfileinfo.cpp:347
#7  0x00007f5925f3a114 in KCMLookandFeel::<lambda()>::operator() (__closure=<synthetic pointer>, __closure=<synthetic pointer>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:117
#8  KCMLookandFeel::knsEntryChanged (this=0x56261dba36b0, wrapper=<optimized out>) at ./kcms/lookandfeel/kcm.cpp:126
#9  0x00007f5925f37984 in KCMLookandFeel::qt_static_metacall (_o=_o@entry=0x56261dba36b0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=5, _a=_a@entry=0x7ffc947e9d20) at ./obj-x86_64-linux-gnu/kcms/lookandfeel/kcm_lookandfeel_static_autogen/EWIEGA46WW/moc_kcm.cpp:128
#10 0x00007f5925f37db3 in KCMLookandFeel::qt_metacall (this=0x56261dba36b0, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7ffc947e9d20) at ./obj-x86_64-linux-gnu/kcms/lookandfeel/kcm_lookandfeel_static_autogen/EWIEGA46WW/moc_kcm.cpp:214
#11 0x00007f5945d29bf5 in QQmlObjectOrGadget::metacall (this=this@entry=0x7ffc947ea060, type=type@entry=QMetaObject::InvokeMetaMethod, index=<optimized out>, index@entry=43, argv=<optimized out>) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/ftw/qflagpointer_p.h:351
#12 0x00007f5945bf2765 in CallMethod (object=..., index=<optimized out>, returnType=returnType@entry=43, argCount=<optimized out>, argTypes=<optimized out>, engine=engine@entry=0x56261ddb38b0, callArgs=<optimized out>, callType=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:1301
#13 0x00007f5945bf4867 in CallPrecise (object=..., data=..., engine=engine@entry=0x56261ddb38b0, callArgs=callArgs@entry=0x7f59259595b8, callType=callType@entry=QMetaObject::InvokeMetaMethod) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:285
#14 0x00007f5945bf575a in QV4::QObjectMethod::callInternal (this=<optimized out>, thisObject=<optimized out>, argv=<optimized out>, argc=1) at jsruntime/qv4qobjectwrapper.cpp:2131
#15 0x00007f5945c151e1 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
#16 QV4::Moth::VME::interpret (frame=0x7ffc947ea350, engine=0x56261ddb38b0, code=0x7f5925959568 "`\334\304\027Y\177") at jsruntime/qv4vme_moth.cpp:754
#17 0x00007f5945c1711f in QV4::Moth::VME::exec (frame=frame@entry=0x7ffc947ea350, engine=engine@entry=0x56261ddb38b0) at jsruntime/qv4vme_moth.cpp:463
#18 0x00007f5945ba42fd in QV4::Function::call (this=this@entry=0x56261df26f90, thisObject=<optimized out>, argv=argv@entry=0x7f5925959510, argc=<optimized out>, context=<optimized out>) at jsruntime/qv4function.cpp:69
#19 0x00007f5945d49fb7 in QQmlJavaScriptExpression::evaluate (this=this@entry=0x56261fd65420, callData=callData@entry=0x7f59259594e0, isUndefined=isUndefined@entry=0x0) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4value_p.h:343
#20 0x00007f5945ced8be in QQmlBoundSignalExpression::evaluate (this=<optimized out>, a=<optimized out>) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4jscall_p.h:95
#21 0x00007f5945cee958 in QQmlBoundSignal_callback (e=0x56261fd654b0, a=0x7ffc947ec060) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/qqmlboundsignalexpressionpointer_p.h:69
#22 0x00007f5945d2965d in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=a@entry=0x7ffc947ec060) at qml/qqmlnotifier.cpp:104
#23 0x00007f5945ccbfcf in QQmlData::signalEmitted (object=0x56261e2626d0, index=18, a=0x7ffc947ec060) at qml/qqmlengine.cpp:834
#24 0x00007f5946f23925 in doActivate<false> (sender=0x56261e2626d0, signal_index=18, argv=0x7ffc947ec060) at kernel/qobject_p.h:110
#25 0x00007f5946f1d167 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f5925756400 <Engine::staticMetaObject>, local_signal_index=local_signal_index@entry=15, argv=argv@entry=0x7ffc947ec060) at kernel/qobject.cpp:3946
#26 0x00007f592572f374 in Engine::entryEvent (this=<optimized out>, _t1=<optimized out>, _t1@entry=0x56261ff8e690, _t2=<optimized out>, _t2@entry=Engine::StatusChangedEvent) at ./obj-x86_64-linux-gnu/src/qtquick/newstuffqmlplugin_autogen/EWIEGA46WW/moc_quickengine.cpp:600
#27 0x00007f5925737104 in Engine::<lambda(const KNSCore::EntryInternal&, KNSCore::EntryInternal::EntryEvent)>::operator() (__closure=0x56261f9f2820, event=KNSCore::EntryInternal::StatusChangedEvent, entry=...) at ./src/qtquick/quickengine.cpp:144
#28 QtPrivate::FunctorCall<QtPrivate::IndexesList<0, 1>, QtPrivate::List<const KNSCore::EntryInternal&, KNSCore::EntryInternal::EntryEvent>, void, Engine::setConfigFile(const QString&)::<lambda(const KNSCore::EntryInternal&, KNSCore::EntryInternal::EntryEvent)> >::call (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:146
#29 QtPrivate::Functor<Engine::setConfigFile(const QString&)::<lambda(const KNSCore::EntryInternal&, KNSCore::EntryInternal::EntryEvent)>, 2>::call<QtPrivate::List<KNSCore::EntryInternal const&, KNSCore::EntryInternal::EntryEvent>, void> (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:256
#30 QtPrivate::QFunctorSlotObject<Engine::setConfigFile(const QString&)::<lambda(const KNSCore::EntryInternal&, KNSCore::EntryInternal::EntryEvent)>, 2, QtPrivate::List<const KNSCore::EntryInternal&, KNSCore::EntryInternal::EntryEvent>, void>::impl (which=1, r=<optimized out>, ret=<optimized out>, a=<optimized out>, this_=0x56261f9f2810) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:443
#31 QtPrivate::QFunctorSlotObject<Engine::setConfigFile(const QString&)::<lambda(const KNSCore::EntryInternal&, KNSCore::EntryInternal::EntryEvent)>, 2, QtPrivate::List<const KNSCore::EntryInternal&, KNSCore::EntryInternal::EntryEvent>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=0x56261f9f2810, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:436
#32 0x00007f5946f23d9e in QtPrivate::QSlotObjectBase::call (a=0x7ffc947ec1b0, r=0x56261e2626d0, this=0x56261f9f2810) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#33 doActivate<false> (sender=0x56261f9f4c30, signal_index=27, argv=0x7ffc947ec1b0) at kernel/qobject.cpp:3886
#34 0x00007f5946f1d167 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f5925f15560 <KNSCore::Engine::staticMetaObject>, local_signal_index=local_signal_index@entry=24, argv=argv@entry=0x7ffc947ec1b0) at kernel/qobject.cpp:3946
#35 0x00007f5925e91f3a in KNSCore::Engine::signalEntryEvent (this=<optimized out>, _t1=..., _t2=<optimized out>) at ./obj-x86_64-linux-gnu/src/core/KF5NewStuffCore_autogen/EWIEGA46WW/moc_engine.cpp:794
#36 0x00007f5946f23d9e in QtPrivate::QSlotObjectBase::call (a=0x7ffc947ec2c0, r=0x56261f9f4c30, this=0x56261f9f4330) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#37 doActivate<false> (sender=0x56261f9f4120, signal_index=3, argv=0x7ffc947ec2c0) at kernel/qobject.cpp:3886
#38 0x00007f5946f1d167 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f5925f154a0 <KNSCore::Installation::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc947ec2c0) at kernel/qobject.cpp:3946
#39 0x00007f5925e911d6 in KNSCore::Installation::signalEntryChanged (this=<optimized out>, _t1=...) at ./obj-x86_64-linux-gnu/src/core/KF5NewStuffCore_autogen/EWIEGA46WW/moc_installation.cpp:269
#40 0x00007f5925ec05bf in KNSCore::Installation::<lambda(KJob*)>::operator()(KJob *) const (__closure=0x56261ff373b0, job=<optimized out>) at ./src/core/installation.cpp:501
#41 0x00007f5946f23d9e in QtPrivate::QSlotObjectBase::call (a=0x7ffc947ec4b0, r=0x56261f9f4120, this=0x56261ff373a0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#42 doActivate<false> (sender=0x562620710be0, signal_index=6, argv=0x7ffc947ec4b0) at kernel/qobject.cpp:3886
#43 0x00007f5946f1d167 in QMetaObject::activate (sender=sender@entry=0x562620710be0, m=m@entry=0x7f594724f720 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffc947ec4b0) at kernel/qobject.cpp:3946
#44 0x00007f59471fad10 in KJob::result (this=this@entry=0x562620710be0, _t1=<optimized out>, _t1@entry=0x562620710be0, _t2=...) at ./obj-x86_64-linux-gnu/src/lib/KF5CoreAddons_autogen/include/moc_kjob.cpp:633
#45 0x00007f59471fc18b in KJob::finishJob (this=0x562620710be0, emitResult=<optimized out>) at ./src/lib/jobs/kjob.cpp:98
#46 0x00007f5946f1a919 in QObject::event (this=0x562620710be0, e=0x7f592800a180) at kernel/qobject.cpp:1314
#47 0x00007f5947b00dc3 in QApplicationPrivate::notify_helper (this=this@entry=0x56261d49cb70, receiver=receiver@entry=0x562620710be0, e=e@entry=0x7f592800a180) at kernel/qapplication.cpp:3632
#48 0x00007f5947b09bb8 in QApplication::notify (this=0x7ffc947ecb80, receiver=0x562620710be0, e=0x7f592800a180) at kernel/qapplication.cpp:3156
#49 0x00007f5946eecd7a in QCoreApplication::notifyInternal2 (receiver=0x562620710be0, event=0x7f592800a180) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#50 0x00007f5946eef681 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x56261d477480) at kernel/qcoreapplication.cpp:1821
#51 0x00007f5946f47f77 in postEventSourceDispatch (s=0x56261d56f630) at kernel/qeventdispatcher_glib.cpp:277
#52 0x00007f5944a6b17d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007f5944a6b400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007f5944a6b4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007f5946f475d2 in QEventDispatcherGlib::processEvents (this=0x56261d578370, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#56 0x00007f5946eeb87b in QEventLoop::exec (this=this@entry=0x7ffc947eca60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#57 0x00007f5946ef3a34 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#58 0x000056261ba19332 in main (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:208
[Inferior 1 (process 1270) detached]

Possible duplicates by query: bug 443857, bug 439797, bug 398269.

Reported using DrKonqi