Application: systemsettings (5.23.80)

Qt Version: 5.15.3
Frameworks Version: 5.89.0
Operating System: Linux 5.11.0-41-generic x86_64
Windowing System: X11
Distribution: KDE neon Unstable Edition
DrKonqi: 5.23.80 [CoredumpBackend]

-- Information about the crash:
- Custom settings of the application: 
- system theme setted -> dark
- theme was installing -> "prof dark"
- additional note: theme is installed (only settings crashed)

The crash can be reproduced every time.

-- Backtrace:
Application: Ustawienia systemowe (systemsettings), signal: Segmentation fault

[New LWP 496937]
[New LWP 496939]
[New LWP 496949]
[New LWP 496942]
[New LWP 497013]
[New LWP 496943]
[New LWP 496977]
[New LWP 496944]
[New LWP 496950]
[New LWP 496978]
[New LWP 497012]
[New LWP 496980]
[New LWP 496941]
[New LWP 496979]
[New LWP 496975]
[New LWP 496982]
[New LWP 496940]
[New LWP 496984]
[New LWP 496981]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/systemsettings'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50
[Current thread is 1 (Thread 0x7f52218139c0 (LWP 496937))]
__preamble__
[Current thread is 1 (Thread 0x7f52218139c0 (LWP 496937))]

Thread 19 (Thread 0x7f51ceffd700 (LWP 496981)):
#0  0x00007f52260d2aff in __GI___poll (fds=0x55d3a5f53330, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f522412536e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f52241256f3 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f51da1f2f8a in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f522414ead1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f51cd7fa700 (LWP 496984)):
#0  0x00007f52260d2aff in __GI___poll (fds=0x7f51ac035020, nfds=6, timeout=41054) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f522412536e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f52241254a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f52266a261b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f51ac000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f52266468ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f51cd7f9ba0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f52264602c2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f52253743fa in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f522646145c in QThreadPrivate::start(void*) (arg=0x55d3a6fcc1c0) at thread/qthread_unix.cpp:329
#8  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f521f8aa700 (LWP 496940)):
#0  0x00007f52260d2aff in __GI___poll (fds=0x7f5210015300, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f522412536e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f52241254a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f52266a2602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f5210000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f52266468ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f521f8a9bb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f52264602c2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f52257b9f4b in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f522646145c in QThreadPrivate::start(void*) (arg=0x7f522583dd80) at thread/qthread_unix.cpp:329
#8  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f51ce7fc700 (LWP 496982)):
#0  0x00007f52260d2aff in __GI___poll (fds=0x7f51b4004250, nfds=1, timeout=134739) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f522412536e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f52241254a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f52266a2602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f51b4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f52266468ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f51ce7fbbe0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f52264602c2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f522646145c in QThreadPrivate::start(void*) (arg=0x55d3a72ac5d0) at thread/qthread_unix.cpp:329
#7  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f5203696700 (LWP 496975)):
#0  0x00007f52260d2aff in __GI___poll (fds=0x7f51d401fde0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f522412536e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f52241254a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f52266a2602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f51d405eb10, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f52266468ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f5203695bc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f52264602c2 in QThread::exec() (this=this@entry=0x55d3a6468530) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f52250bf549 in QQmlThreadPrivate::run() (this=0x55d3a6468530) at qml/ftw/qqmlthread.cpp:155
#7  0x00007f522646145c in QThreadPrivate::start(void*) (arg=0x55d3a6468530) at thread/qthread_unix.cpp:329
#8  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f51cffff700 (LWP 496979)):
#0  0x00007f52260d2aff in __GI___poll (fds=0x7f51c4014f10, nfds=2, timeout=131123) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f522412536e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f52241254a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f52266a2602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f51c4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f52266468ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f51cfffebe0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f52264602c2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f522646145c in QThreadPrivate::start(void*) (arg=0x55d3a79fec40) at thread/qthread_unix.cpp:329
#7  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f5217fff700 (LWP 496941)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55d3a5651dd8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d3a5651d88, cond=0x55d3a5651db0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55d3a5651db0, mutex=0x55d3a5651d88) at pthread_cond_wait.c:638
#3  0x00007f521cb99e7b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f521cb99a7b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f51cf7fe700 (LWP 496980)):
#0  0x00007f52260d2aff in __GI___poll (fds=0x55d3a5f499f0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f522412536e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f52241254a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f52241254f1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f522414ead1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f51cdffb700 (LWP 497012)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f51cdffab50, clockid=<optimized out>, expected=0, futex_word=0x7f51b4005bc4) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f51cdffab50, clockid=<optimized out>, mutex=0x7f51b4005b70, cond=0x7f51b4005b98) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f51b4005b98, mutex=0x7f51b4005b70, abstime=0x7f51cdffab50) at pthread_cond_wait.c:656
#3  0x00007f5226467558 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x7f51b4005b70, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x7f51b4005b70) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x7f51b4005850, mutex=mutex@entry=0x7f51b40054e8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f5226464a61 in QThreadPoolThread::run() (this=0x7f51b4005840) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f522646145c in QThreadPrivate::start(void*) (arg=0x7f51b4005840) at thread/qthread_unix.cpp:329
#8  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f51d8f48700 (LWP 496978)):
#0  0x00007f52260d2aff in __GI___poll (fds=0x7f51c8005240, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f522412536e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f52241254a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f52266a2602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f51c8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f52266468ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f51d8f47be0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f52264602c2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f522646145c in QThreadPrivate::start(void*) (arg=0x55d3a7762250) at thread/qthread_unix.cpp:329
#7  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f5208b87700 (LWP 496950)):
#0  0x00007f52260d2aff in __GI___poll (fds=0x7f51e0004a30, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f522412536e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f52241254a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f52266a2602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f51e0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f52266468ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f5208b86bc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f52264602c2 in QThread::exec() (this=this@entry=0x55d3a5e1af80) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f52250bf549 in QQmlThreadPrivate::run() (this=0x55d3a5e1af80) at qml/ftw/qqmlthread.cpp:155
#7  0x00007f522646145c in QThreadPrivate::start(void*) (arg=0x55d3a5e1af80) at thread/qthread_unix.cpp:329
#8  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f52167fc700 (LWP 496944)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55d3a5651dd8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d3a5651d88, cond=0x55d3a5651db0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55d3a5651db0, mutex=0x55d3a5651d88) at pthread_cond_wait.c:638
#3  0x00007f521cb99e7b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f521cb99a7b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f51db2fa700 (LWP 496977)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f51d0005a44) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d3a53056c8, cond=0x7f51d0005a18) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f51d0005a18, mutex=0x55d3a53056c8) at pthread_cond_wait.c:638
#3  0x00007f5224b2adf0 in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007f5224b2ca02 in xcb_wait_for_special_event () at /lib/x86_64-linux-gnu/libxcb.so.1
#5  0x00007f521e639076 in glPrimitiveBoundingBox () at /lib/x86_64-linux-gnu/libGLX_mesa.so.0
#6  0x00007f521e6393fa in glPrimitiveBoundingBox () at /lib/x86_64-linux-gnu/libGLX_mesa.so.0
#7  0x00007f521e63a636 in glPrimitiveBoundingBox () at /lib/x86_64-linux-gnu/libGLX_mesa.so.0
#8  0x00007f521e63b712 in glPrimitiveBoundingBox () at /lib/x86_64-linux-gnu/libGLX_mesa.so.0
#9  0x00007f521cb914f3 in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#10 0x00007f521cb93624 in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#11 0x00007f521cbed49c in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#12 0x00007f521cbedad0 in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#13 0x00007f521cc1c2c5 in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#14 0x00007f521cc21488 in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#15 0x00007f52253d4b4a in QSGBatchRenderer::Renderer::renderBatches() () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f52253d526a in QSGBatchRenderer::Renderer::render() () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f52253b8e24 in QSGRenderer::renderScene(QSGBindable const&) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f52253b92f3 in QSGRenderer::renderScene(unsigned int) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007f5225428087 in QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f5225495a39 in QQuickWindowPrivate::renderSceneGraph(QSize const&, QSize const&) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f5225435bc9 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f522543a057 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007f522646145c in QThreadPrivate::start(void*) (arg=0x55d3a7564b30) at thread/qthread_unix.cpp:329
#24 0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#25 0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f5216ffd700 (LWP 496943)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55d3a5651dd8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d3a5651d88, cond=0x55d3a5651db0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55d3a5651db0, mutex=0x55d3a5651d88) at pthread_cond_wait.c:638
#3  0x00007f521cb99e7b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f521cb99a7b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f5215b12700 (LWP 497013)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f5215b11b50, clockid=<optimized out>, expected=0, futex_word=0x55d3a57492d4) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f5215b11b50, clockid=<optimized out>, mutex=0x55d3a5749280, cond=0x55d3a57492a8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55d3a57492a8, mutex=0x55d3a5749280, abstime=0x7f5215b11b50) at pthread_cond_wait.c:656
#3  0x00007f5226467558 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x55d3a5749280, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x55d3a5749280) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x55d3a5729d50, mutex=mutex@entry=0x55d3a56fca68, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f5226464a61 in QThreadPoolThread::run() (this=0x55d3a5729d40) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f522646145c in QThreadPrivate::start(void*) (arg=0x55d3a5729d40) at thread/qthread_unix.cpp:329
#8  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f52177fe700 (LWP 496942)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55d3a5651dd8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d3a5651d88, cond=0x55d3a5651db0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55d3a5651db0, mutex=0x55d3a5651d88) at pthread_cond_wait.c:638
#3  0x00007f521cb99e7b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f521cb99a7b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f520a048700 (LWP 496949)):
#0  0x00007f52260d2aff in __GI___poll (fds=0x7f51dc005240, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f522412536e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f52241254a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f52266a2602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f51dc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f52266468ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f520a047bc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f52264602c2 in QThread::exec() (this=this@entry=0x55d3a58d7c90) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f52250bf549 in QQmlThreadPrivate::run() (this=0x55d3a58d7c90) at qml/ftw/qqmlthread.cpp:155
#7  0x00007f522646145c in QThreadPrivate::start(void*) (arg=0x55d3a58d7c90) at thread/qthread_unix.cpp:329
#8  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f52207a2700 (LWP 496939)):
#0  0x00007f52260d2aff in __GI___poll (fds=0x7f52207a1ae8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f5224b2ac1a in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f5224b2c90a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f5220ee4e88 in QXcbEventQueue::run() (this=0x55d3a52f7660) at qxcbeventqueue.cpp:228
#4  0x00007f522646145c in QThreadPrivate::start(void*) (arg=0x55d3a52f7660) at thread/qthread_unix.cpp:329
#5  0x00007f5224ae3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f52260df293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f52218139c0 (LWP 496937)):
[KCrash Handler]
#3  0x00007f522655f9fd in QDir::fromNativeSeparators(QString const&) () at /usr/include/c++/9/bits/atomic_base.h:318
#4  0x00007f5226573b97 in QFileInfoPrivate::QFileInfoPrivate(QString const&) (file=..., this=0x55d3a7819ed0) at /usr/include/c++/9/bits/atomic_base.h:279
#5  QFileInfo::QFileInfo(QString const&) (this=0x7ffe51f0f6f8, file=...) at io/qfileinfo.cpp:347
#6  0x00007f5202e75504 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_lookandfeel.so
#7  0x00007f5202e71924 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_lookandfeel.so
#8  0x00007f5202e71e43 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_lookandfeel.so
#9  0x00007f5225052bf5 in QQmlObjectOrGadget::metacall(QMetaObject::Call, int, void**) const (this=this@entry=0x7ffe51f0fc20, type=type@entry=QMetaObject::InvokeMetaMethod, index=<optimized out>, index@entry=44, argv=<optimized out>) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/ftw/qflagpointer_p.h:351
#10 0x00007f5224f1b765 in CallMethod(QQmlObjectOrGadget const&, int, int, int, int*, QV4::ExecutionEngine*, QV4::CallData*, QMetaObject::Call) (object=..., index=<optimized out>, returnType=returnType@entry=43, argCount=<optimized out>, argTypes=<optimized out>, engine=engine@entry=0x55d3a63e3cc0, callArgs=<optimized out>, callType=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:1301
#11 0x00007f5224f1d867 in CallPrecise(QQmlObjectOrGadget const&, QQmlPropertyData const&, QV4::ExecutionEngine*, QV4::CallData*, QMetaObject::Call) (object=..., data=..., engine=engine@entry=0x55d3a63e3cc0, callArgs=callArgs@entry=0x7f52028865b8, callType=callType@entry=QMetaObject::InvokeMetaMethod) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:285
#12 0x00007f5224f1e75a in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const (this=<optimized out>, thisObject=<optimized out>, argv=<optimized out>, argc=1) at jsruntime/qv4qobjectwrapper.cpp:2131
#13 0x00007f5224f3e1e1 in QV4::FunctionObject::call(QV4::Value const*, QV4::Value const*, int) const (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
#14 QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) (frame=0x7ffe51f0ff10, engine=0x55d3a63e3cc0, code=0x7f5202886568 "@\333\302\001R\177") at jsruntime/qv4vme_moth.cpp:754
#15 0x00007f5224f4011f in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) (frame=frame@entry=0x7ffe51f0ff10, engine=engine@entry=0x55d3a63e3cc0) at jsruntime/qv4vme_moth.cpp:463
#16 0x00007f5224ecd2fd in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) (this=this@entry=0x55d3a5f54ee0, thisObject=<optimized out>, argv=argv@entry=0x7f5202886510, argc=<optimized out>, context=<optimized out>) at jsruntime/qv4function.cpp:69
#17 0x00007f5225072fb7 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) (this=this@entry=0x55d3a761b750, callData=callData@entry=0x7f52028864e0, isUndefined=isUndefined@entry=0x0) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4value_p.h:343
#18 0x00007f52250168be in QQmlBoundSignalExpression::evaluate(void**) (this=<optimized out>, a=<optimized out>) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4jscall_p.h:95
#19 0x00007f5225017958 in QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**) (e=0x55d3a761b7e0, a=0x7ffe51f11c20) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/qqmlboundsignalexpressionpointer_p.h:69
#20 0x00007f522505265d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) (endpoint=<optimized out>, a=a@entry=0x7ffe51f11c20) at qml/qqmlnotifier.cpp:104
#21 0x00007f5224ff4fcf in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) (object=0x55d3a71cae60, index=18, a=0x7ffe51f11c20) at qml/qqmlengine.cpp:834
#22 0x00007f522667e955 in doActivate<false>(QObject*, int, void**) (sender=0x55d3a71cae60, signal_index=18, argv=0x7ffe51f11c20) at kernel/qobject_p.h:110
#23 0x00007f5226678197 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7f5202683400 <Engine::staticMetaObject>, local_signal_index=local_signal_index@entry=15, argv=argv@entry=0x7ffe51f11c20) at kernel/qobject.cpp:3946
#24 0x00007f520265c374 in Engine::entryEvent(KNSCore::EntryWrapper*, Engine::EntryEvent) (this=<optimized out>, _t1=<optimized out>, _t1@entry=0x7f51ec010b30, _t2=<optimized out>, _t2@entry=Engine::StatusChangedEvent) at ./obj-x86_64-linux-gnu/src/qtquick/newstuffqmlplugin_autogen/EWIEGA46WW/moc_quickengine.cpp:600
#25 0x00007f5202664094 in Engine::<lambda(const KNSCore::EntryInternal&, KNSCore::EntryInternal::EntryEvent)>::operator() (__closure=0x55d3a72a6bc0, event=KNSCore::EntryInternal::StatusChangedEvent, entry=...) at ./src/qtquick/quickengine.cpp:144
#26 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
#27 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
#28 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_=0x55d3a72a6bb0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:443
#29 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_=0x55d3a72a6bb0, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:436
#30 0x00007f522667edce in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffe51f11d70, r=0x55d3a71cae60, this=0x55d3a72a6bb0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#31 doActivate<false>(QObject*, int, void**) (sender=0x55d3a72a8f10, signal_index=27, argv=0x7ffe51f11d70) at kernel/qobject.cpp:3886
#32 0x00007f5226678197 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7f5202e42560 <KNSCore::Engine::staticMetaObject>, local_signal_index=local_signal_index@entry=24, argv=argv@entry=0x7ffe51f11d70) at kernel/qobject.cpp:3946
#33 0x00007f5202dbef3a in KNSCore::Engine::signalEntryEvent(KNSCore::EntryInternal const&, KNSCore::EntryInternal::EntryEvent) (this=<optimized out>, _t1=..., _t2=<optimized out>) at ./obj-x86_64-linux-gnu/src/core/KF5NewStuffCore_autogen/EWIEGA46WW/moc_engine.cpp:794
#34 0x00007f522667edce in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffe51f11e80, r=0x55d3a72a8f10, this=0x55d3a72baeb0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#35 doActivate<false>(QObject*, int, void**) (sender=0x55d3a72a8400, signal_index=3, argv=0x7ffe51f11e80) at kernel/qobject.cpp:3886
#36 0x00007f5226678197 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7f5202e424a0 <KNSCore::Installation::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe51f11e80) at kernel/qobject.cpp:3946
#37 0x00007f5202dbe1d6 in KNSCore::Installation::signalEntryChanged(KNSCore::EntryInternal const&) (this=<optimized out>, _t1=...) at ./obj-x86_64-linux-gnu/src/core/KF5NewStuffCore_autogen/EWIEGA46WW/moc_installation.cpp:269
#38 0x00007f5202ded5bf in KNSCore::Installation::<lambda(KJob*)>::operator()(KJob *) const (__closure=0x55d3a7d5fa80, job=<optimized out>) at ./src/core/installation.cpp:501
#39 0x00007f522667edce in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffe51f12070, r=0x55d3a72a8400, this=0x55d3a7d5fa70) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#40 doActivate<false>(QObject*, int, void**) (sender=0x55d3a7d3d5d0, signal_index=6, argv=0x7ffe51f12070) at kernel/qobject.cpp:3886
#41 0x00007f5226955eb0 in KJob::result(KJob*, KJob::QPrivateSignal) () at /lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#42 0x00007f522695732b in KJob::finishJob(bool) () at /lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#43 0x00007f5226675949 in QObject::event(QEvent*) (this=0x55d3a7d3d5d0, e=0x7f51ec0105d0) at kernel/qobject.cpp:1314
#44 0x00007f522725cdc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x55d3a52f3a80, receiver=receiver@entry=0x55d3a7d3d5d0, e=e@entry=0x7f51ec0105d0) at kernel/qapplication.cpp:3632
#45 0x00007f5227265bb8 in QApplication::notify(QObject*, QEvent*) (this=0x7ffe51f12740, receiver=0x55d3a7d3d5d0, e=0x7f51ec0105d0) at kernel/qapplication.cpp:3156
#46 0x00007f5226647daa in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55d3a7d3d5d0, event=0x7f51ec0105d0) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#47 0x00007f522664a6b1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x55d3a52ce480) at kernel/qcoreapplication.cpp:1821
#48 0x00007f52266a2fa7 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x55d3a53c3140) at kernel/qeventdispatcher_glib.cpp:277
#49 0x00007f522412517d in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007f5224125400 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007f52241254a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007f52266a2602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55d3a53c3920, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#53 0x00007f52266468ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffe51f12620, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#54 0x00007f522664ea64 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#55 0x000055d3a45e1ed1 in  ()
#56 0x00007f5225fe40b3 in __libc_start_main (main=0x55d3a45e1680, argc=1, argv=0x7ffe51f128a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe51f12898) at ../csu/libc-start.c:308
#57 0x000055d3a45e27ce in  ()

Possible duplicates by query: bug 446861, bug 446812, bug 446799, bug 446626, bug 446504.

Reported using DrKonqi