Bug 447239

Application: systemsettings5 (5.23.4)

Qt Version: 5.15.3
Frameworks Version: 5.89.0
Operating System: Linux 5.11.0-43-generic x86_64
Windowing System: X11
Distribution: KDE neon User - Plasma 25th Anniversary Edition
DrKonqi: 5.23.4 [KCrashBackend]

-- Information about the crash:
- What I was doing when the application crashed: I was installing some themes when system settings went to crash. It happens everytime when I try to install a new theme.

The crash can be reproduced every time.

-- Backtrace:
Application: Impostazioni di sistema (systemsettings5), signal: Segmentation fault

[New LWP 4875]
[New LWP 4876]
[New LWP 4877]
[New LWP 4878]
[New LWP 4879]
[New LWP 4880]
[New LWP 4885]
[New LWP 4886]
[New LWP 4908]
[New LWP 4914]
[New LWP 4915]
[New LWP 4916]
[New LWP 4917]
[New LWP 4918]
[New LWP 4922]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f09f55f1aff in __GI___poll (fds=0x7fff8e22e6f8, 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 0x7f09f0e199c0 (LWP 4874))]

Thread 16 (Thread 0x7f0996ffd700 (LWP 4922)):
#0  0x00007f09f55f1aff in __GI___poll (fds=0x7f0988024220, nfds=1, timeout=90283) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f09f36d336e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f09f36d34a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f09f5bbf61b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f0988000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f09f5b638ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f0996ffcba0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f09f597d2c2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f09f4cb33fa in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f09f597e45c in QThreadPrivate::start(void*) (arg=0x55fc0aae07f0) at thread/qthread_unix.cpp:329
#8  0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f0997fff700 (LWP 4918)):
#0  0x00007f09f36cf8ed in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f09f36d1345 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f09f36d2cbf in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f09f36d3312 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f09f36d34a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f09f5bbf61b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f098c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f09f5b638ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f0997ffebe0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#7  0x00007f09f597d2c2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#8  0x00007f09f597e45c in QThreadPrivate::start(void*) (arg=0x55fc096b4cc0) at thread/qthread_unix.cpp:329
#9  0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f09a89d6700 (LWP 4917)):
#0  0x00007f09f55f1aff in __GI___poll (fds=0x55fc0a2a5f90, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f09f36d336e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f09f36d36f3 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f09a9510f8a in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f09f36fcad1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f09a91d7700 (LWP 4916)):
#0  0x00007f09f55f1aff in __GI___poll (fds=0x55fc09d895a0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f09f36d336e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f09f36d34a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f09f36d34f1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f09f36fcad1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f09a9dd3700 (LWP 4915)):
#0  0x00007fff8e2b1b1e in clock_gettime ()
#1  0x00007f09f55bc235 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7f09a9dd29c0) at ../sysdeps/unix/sysv/linux/clock_gettime.c:38
#2  0x00007f09f5bbeee5 in qt_clock_gettime (ts=0x7f09a9dd29c0, clock=1) at kernel/qelapsedtimer_unix.cpp:175
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at kernel/qelapsedtimer_unix.cpp:166
#4  qt_gettime() () at kernel/qelapsedtimer_unix.cpp:175
#5  0x00007f09f5bbd77d in QTimerInfoList::updateCurrentTime() (this=0x7f09980040f0) at kernel/qtimerinfo_unix.cpp:91
#6  0x00007f09f5bbfd95 in timerSourceCheckHelper (src=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:570
#7  timerSourceCheck(GSource*) (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:174
#8  0x00007f09f36d2da1 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f09f36d3312 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f09f36d34a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f09f5bbf61b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f0998000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#12 0x00007f09f5b638ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f09a9dd2be0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#13 0x00007f09f597d2c2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#14 0x00007f09f597e45c in QThreadPrivate::start(void*) (arg=0x55fc0bc36de0) at thread/qthread_unix.cpp:329
#15 0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#16 0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f09aa8aa700 (LWP 4914)):
#0  0x00007f09f55f1aff in __GI___poll (fds=0x7f09a0003180, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f09f36d336e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f09f36d34a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f09f5bbf61b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f09a0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f09f5b638ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f09aa8a9be0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f09f597d2c2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f09f597e45c in QThreadPrivate::start(void*) (arg=0x55fc0a598e60) at thread/qthread_unix.cpp:329
#7  0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f09d2c95700 (LWP 4908)):
#0  __GI___libc_read (nbytes=16, buf=0x7f09d2c949b0, fd=25) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=25, buf=0x7f09d2c949b0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f09f371bb2f in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f09f36d2ebe in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f09f36d3312 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f09f36d34a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f09f5bbf61b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f09a4125a80, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f09f5b638ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f09d2c94bc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#8  0x00007f09f597d2c2 in QThread::exec() (this=this@entry=0x55fc097b00b0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#9  0x00007f09f49fe549 in QQmlThreadPrivate::run() (this=0x55fc097b00b0) at qml/ftw/qqmlthread.cpp:155
#10 0x00007f09f597e45c in QThreadPrivate::start(void*) (arg=0x55fc097b00b0) at thread/qthread_unix.cpp:329
#11 0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f09d3fff700 (LWP 4886)):
#0  0x00007f09f55f1aff in __GI___poll (fds=0x7f09b0004a30, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f09f36d336e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f09f36d34a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f09f5bbf61b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f09b0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f09f5b638ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f09d3ffebc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f09f597d2c2 in QThread::exec() (this=this@entry=0x55fc091b99e0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f09f49fe549 in QQmlThreadPrivate::run() (this=0x55fc091b99e0) at qml/ftw/qqmlthread.cpp:155
#7  0x00007f09f597e45c in QThreadPrivate::start(void*) (arg=0x55fc091b99e0) at thread/qthread_unix.cpp:329
#8  0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f09d9741700 (LWP 4885)):
#0  0x00007f09f55f1aff in __GI___poll (fds=0x7f09ac005240, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f09f36d336e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f09f36d34a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f09f5bbf61b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f09ac000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f09f5b638ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f09d9740bc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f09f597d2c2 in QThread::exec() (this=this@entry=0x55fc08e23120) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f09f49fe549 in QQmlThreadPrivate::run() (this=0x55fc08e23120) at qml/ftw/qqmlthread.cpp:155
#7  0x00007f09f597e45c in QThreadPrivate::start(void*) (arg=0x55fc08e23120) at thread/qthread_unix.cpp:329
#8  0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f09e67fc700 (LWP 4880)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55fc08b1d358) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55fc08b1d308, cond=0x55fc08b1d330) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55fc08b1d330, mutex=0x55fc08b1d308) at pthread_cond_wait.c:638
#3  0x00007f09ec6bde7b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f09ec6bda7b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f09e6ffd700 (LWP 4879)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55fc08b1d358) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55fc08b1d308, cond=0x55fc08b1d330) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55fc08b1d330, mutex=0x55fc08b1d308) at pthread_cond_wait.c:638
#3  0x00007f09ec6bde7b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f09ec6bda7b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f09e77fe700 (LWP 4878)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55fc08b1d358) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55fc08b1d308, cond=0x55fc08b1d330) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55fc08b1d330, mutex=0x55fc08b1d308) at pthread_cond_wait.c:638
#3  0x00007f09ec6bde7b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f09ec6bda7b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f09e7fff700 (LWP 4877)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55fc08b1d358) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55fc08b1d308, cond=0x55fc08b1d330) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55fc08b1d330, mutex=0x55fc08b1d308) at pthread_cond_wait.c:638
#3  0x00007f09ec6bde7b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f09ec6bda7b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f09ef3c9700 (LWP 4876)):
#0  0x00007f09f55f1aff in __GI___poll (fds=0x7f09e00150c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f09f36d336e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f09f36d34a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f09f5bbf61b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f09e0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f09f5b638ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f09ef3c8bb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f09f597d2c2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f09f4619f4b in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f09f597e45c in QThreadPrivate::start(void*) (arg=0x7f09f469dd80) at thread/qthread_unix.cpp:329
#8  0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f09f02ab700 (LWP 4875)):
#0  0x00007f09f55f1aff in __GI___poll (fds=0x7f09f02aaae8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f09f40d6c1a in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f09f40d890a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f09f09e3e88 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f09f597e45c in QThreadPrivate::start(void*) (arg=0x55fc0890cca0) at thread/qthread_unix.cpp:329
#5  0x00007f09f4091609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f09f55fe293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f09f0e199c0 (LWP 4874)):
[KCrash Handler]
#4  0x00007f09f5a7c9fd in QDir::fromNativeSeparators(QString const&) () at /usr/include/c++/9/bits/atomic_base.h:318
#5  0x00007f09f5a90b97 in QFileInfoPrivate::QFileInfoPrivate(QString const&) (file=..., this=0x55fc0ba8a800) at /usr/include/c++/9/bits/atomic_base.h:279
#6  QFileInfo::QFileInfo(QString const&) (this=0x7fff8e22f468, file=...) at io/qfileinfo.cpp:347
#7  0x00007f09d2475134 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(KNSCore::EntryWrapper*) (this=0x55fc097644f0, wrapper=<optimized out>) at ./kcms/lookandfeel/kcm.cpp:126
#9  0x00007f09d24729a4 in KCMLookandFeel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=_o@entry=0x55fc097644f0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=5, _a=_a@entry=0x7fff8e22f650) at ./obj-x86_64-linux-gnu/kcms/lookandfeel/kcm_lookandfeel_static_autogen/EWIEGA46WW/moc_kcm.cpp:128
#10 0x00007f09d2472dd3 in KCMLookandFeel::qt_metacall(QMetaObject::Call, int, void**) (this=0x55fc097644f0, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7fff8e22f650) at ./obj-x86_64-linux-gnu/kcms/lookandfeel/kcm_lookandfeel_static_autogen/EWIEGA46WW/moc_kcm.cpp:214
#11 0x00007f09f4991bf5 in QQmlObjectOrGadget::metacall(QMetaObject::Call, int, void**) const (this=this@entry=0x7fff8e22f990, 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
#12 0x00007f09f485a765 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=0x55fc097b1b10, callArgs=<optimized out>, callType=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:1301
#13 0x00007f09f485c867 in CallPrecise(QQmlObjectOrGadget const&, QQmlPropertyData const&, QV4::ExecutionEngine*, QV4::CallData*, QMetaObject::Call) (object=..., data=..., engine=engine@entry=0x55fc097b1b10, callArgs=callArgs@entry=0x7f09d1e7f5b8, callType=callType@entry=QMetaObject::InvokeMetaMethod) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:285
#14 0x00007f09f485d75a 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
#15 0x00007f09f487d1e1 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
#16 QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) (frame=0x7fff8e22fc80, engine=0x55fc097b1b10, code=0x7f09d1e7f568 "@\333\003\253\t\177") at jsruntime/qv4vme_moth.cpp:754
#17 0x00007f09f487f11f in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) (frame=frame@entry=0x7fff8e22fc80, engine=engine@entry=0x55fc097b1b10) at jsruntime/qv4vme_moth.cpp:463
#18 0x00007f09f480c2fd in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) (this=this@entry=0x55fc09573f10, thisObject=<optimized out>, argv=argv@entry=0x7f09d1e7f510, argc=<optimized out>, context=<optimized out>) at jsruntime/qv4function.cpp:69
#19 0x00007f09f49b1fb7 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) (this=this@entry=0x55fc0b7b9550, callData=callData@entry=0x7f09d1e7f4e0, isUndefined=isUndefined@entry=0x0) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/jsruntime/qv4value_p.h:343
#20 0x00007f09f49558be 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
#21 0x00007f09f4956958 in QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**) (e=0x55fc0b7b95e0, a=0x7fff8e231990) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/qqmlboundsignalexpressionpointer_p.h:69
#22 0x00007f09f499165d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) (endpoint=<optimized out>, a=a@entry=0x7fff8e231990) at qml/qqmlnotifier.cpp:104
#23 0x00007f09f4933fcf in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) (object=0x55fc0a4f1f30, index=18, a=0x7fff8e231990) at qml/qqmlengine.cpp:834
#24 0x00007f09f5b9b955 in doActivate<false>(QObject*, int, void**) (sender=0x55fc0a4f1f30, signal_index=18, argv=0x7fff8e231990) at kernel/qobject_p.h:110
#25 0x00007f09f5b95197 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7f09d1c7c400 <Engine::staticMetaObject>, local_signal_index=local_signal_index@entry=15, argv=argv@entry=0x7fff8e231990) at kernel/qobject.cpp:3946
#26 0x00007f09d1c55374 in Engine::entryEvent(KNSCore::EntryWrapper*, Engine::EntryEvent) (this=<optimized out>, _t1=<optimized out>, _t1@entry=0x55fc0ab16e30, _t2=<optimized out>, _t2@entry=Engine::StatusChangedEvent) at ./obj-x86_64-linux-gnu/src/qtquick/newstuffqmlplugin_autogen/EWIEGA46WW/moc_quickengine.cpp:600
#27 0x00007f09d1c5d094 in Engine::<lambda(const KNSCore::EntryInternal&, KNSCore::EntryInternal::EntryEvent)>::operator() (__closure=0x55fc0a202840, 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_=0x55fc0a202830) 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_=0x55fc0a202830, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:436
#32 0x00007f09f5b9bdce in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7fff8e231ae0, r=0x55fc0a4f1f30, this=0x55fc0a202830) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#33 doActivate<false>(QObject*, int, void**) (sender=0x55fc0a204b80, signal_index=27, argv=0x7fff8e231ae0) at kernel/qobject.cpp:3886
#34 0x00007f09f5b95197 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7f09d243b560 <KNSCore::Engine::staticMetaObject>, local_signal_index=local_signal_index@entry=24, argv=argv@entry=0x7fff8e231ae0) at kernel/qobject.cpp:3946
#35 0x00007f09d23b7f3a 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
#36 0x00007f09f5b9bdce in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7fff8e231bf0, r=0x55fc0a204b80, this=0x55fc0a202210) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#37 doActivate<false>(QObject*, int, void**) (sender=0x55fc0a204100, signal_index=3, argv=0x7fff8e231bf0) at kernel/qobject.cpp:3886
#38 0x00007f09f5b95197 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7f09d243b4a0 <KNSCore::Installation::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff8e231bf0) at kernel/qobject.cpp:3946
#39 0x00007f09d23b71d6 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
#40 0x00007f09d23e65bf in KNSCore::Installation::<lambda(KJob*)>::operator()(KJob *) const (__closure=0x55fc0a8fc230, job=<optimized out>) at ./src/core/installation.cpp:501
#41 0x00007f09f5b9bdce in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7fff8e231de0, r=0x55fc0a204100, this=0x55fc0a8fc220) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#42 doActivate<false>(QObject*, int, void**) (sender=0x55fc0ba224e0, signal_index=6, argv=0x7fff8e231de0) at kernel/qobject.cpp:3886
#43 0x00007f09f5b95197 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x55fc0ba224e0, m=m@entry=0x7f09f5ec96e0 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fff8e231de0) at kernel/qobject.cpp:3946
#44 0x00007f09f5e72eb0 in KJob::result(KJob*, KJob::QPrivateSignal) (this=this@entry=0x55fc0ba224e0, _t1=<optimized out>, _t1@entry=0x55fc0ba224e0, _t2=...) at ./obj-x86_64-linux-gnu/src/lib/KF5CoreAddons_autogen/include/moc_kjob.cpp:633
#45 0x00007f09f5e7432b in KJob::finishJob(bool) (this=0x55fc0ba224e0, emitResult=<optimized out>) at ./src/lib/jobs/kjob.cpp:98
#46 0x00007f09f5b92949 in QObject::event(QEvent*) (this=0x55fc0ba224e0, e=0x7f09b8012430) at kernel/qobject.cpp:1314
#47 0x00007f09f677bdc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x55fc08909a30, receiver=receiver@entry=0x55fc0ba224e0, e=e@entry=0x7f09b8012430) at kernel/qapplication.cpp:3632
#48 0x00007f09f6784bb8 in QApplication::notify(QObject*, QEvent*) (this=0x7fff8e2324b0, receiver=0x55fc0ba224e0, e=0x7f09b8012430) at kernel/qapplication.cpp:3156
#49 0x00007f09f5b64daa in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55fc0ba224e0, event=0x7f09b8012430) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#50 0x00007f09f5b676b1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x55fc088e4480) at kernel/qcoreapplication.cpp:1821
#51 0x00007f09f5bbffa7 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x55fc089d8fd0) at kernel/qeventdispatcher_glib.cpp:277
#52 0x00007f09f36d317d in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007f09f36d3400 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007f09f36d34a3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007f09f5bbf602 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55fc089d1f70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#56 0x00007f09f5b638ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fff8e232390, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#57 0x00007f09f5b6ba64 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#58 0x000055fc06ef2332 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:208
[Inferior 1 (process 4874) detached]

Possible duplicates by query: bug 446942, bug 446861, bug 446812, bug 446799, bug 446626.

Reported using DrKonqi