Bug 428835

Summary: System Settings crashed in KNSCore::Cache::registerChangedEntry() when I tried to install an icon theme via GHNS window
Product: [Frameworks and Libraries] frameworks-knewstuff Reporter: Patrick Silva <bugseforuns>
Component: generalAssignee: Dan Leinir Turthra Jensen <admin>
Status: RESOLVED DUPLICATE    
Severity: crash CC: alexander.lohnau, kdelibs-bugs, nate, nufcjd
Priority: NOR Keywords: drkonqi
Version: unspecified   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed In:

Description Patrick Silva 2020-11-08 11:14:36 UTC
Application: systemsettings5 (5.20.80)

Qt Version: 5.15.0
Frameworks Version: 5.76.0
Operating System: Linux 5.4.0-52-generic x86_64
Windowing system: X11
Distribution: KDE neon Unstable Edition

-- Information about the crash:
- What I was doing when the application crashed:
I opened GHNS window used to install icon themes, searched for "newaita" icon theme, clicked on it, clicked on "Install" button on top,
tried to install newaita option and then System Settings crashed.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Content of s_kcrashErrorMessage: (null)
[New LWP 10506]
[New LWP 10525]
[New LWP 10538]
[New LWP 10539]
[New LWP 10540]
[New LWP 10541]
[New LWP 10546]
[New LWP 10547]
[New LWP 10554]
[New LWP 10556]
[New LWP 10558]
[New LWP 10559]
[New LWP 10560]
[New LWP 12096]
[New LWP 12104]
[New LWP 12105]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f1cbc158aff in __GI___poll (fds=fds@entry=0x7ffea9442328, nfds=nfds@entry=1, timeout=timeout@entry=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7f1cb8330800 (LWP 10496))]

Thread 17 (Thread 0x7f1c5ffff700 (LWP 12105)):
#0  g_mutex_unlock (mutex=0x7f1c7030add0) at ../../../glib/gthread-posix.c:1493
#1  0x00007f1cba3fc9ee in g_main_context_query (context=context@entry=0x7f1c7030add0, max_priority=2147483647, timeout=timeout@entry=0x7f1c5fffec24, fds=fds@entry=0x7f1c700c3ba0, n_fds=n_fds@entry=8) at ../../../glib/gmain.c:3774
#2  0x00007f1cba3fd128 in g_main_context_iterate (context=context@entry=0x7f1c7030add0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4029
#3  0x00007f1cba3fd2e3 in g_main_context_iteration (context=0x7f1c7030add0, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f1cbc86fd7b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f1c7021d360, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f1cbc81408b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f1c5fffed60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f1cbc632082 in QThread::exec() (this=this@entry=0x559d4fc22c00) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f1cbbbe630a in QQuickPixmapReader::run() (this=0x559d4fc22c00) at util/qquickpixmapcache.cpp:1008
#8  0x00007f1cbc63320c in QThreadPrivate::start(void*) (arg=0x559d4fc22c00) at thread/qthread_unix.cpp:342
#9  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f1c6d41a700 (LWP 12104)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559d532c9a74) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559d532c9a20, cond=0x559d532c9a48) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x559d532c9a48, mutex=0x559d532c9a20) at pthread_cond_wait.c:638
#3  0x00007f1cbc63910b in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x559d532c9a20) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x559d4fb8b678, mutex=mutex@entry=0x559d4fb8b670, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f1cbbcab174 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x559d4fb8b668) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x559d4fb8b5d0) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f1cbbcab5e9 in QSGRenderThread::run() (this=0x559d4fb8b5d0) at scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f1cbc63320c in QThreadPrivate::start(void*) (arg=0x559d4fb8b5d0) at thread/qthread_unix.cpp:342
#9  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f1c5d640700 (LWP 12096)):
#0  0x00007f1cbc158aff in __GI___poll (fds=0x7f1c5801a5d0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1cba3fd1ae in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f1c5801a5d0, timeout=<optimized out>, context=0x7f1c58003a00) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f1c58003a00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f1cba3fd2e3 in g_main_context_iteration (context=0x7f1c58003a00, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f1cbc86fd7b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f1c580217d0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f1cbc81408b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f1c5d63fd80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f1cbc632082 in QThread::exec() (this=this@entry=0x559d536b1e60) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f1cbb9306c9 in QQmlThreadPrivate::run() (this=0x559d536b1e60) at qml/ftw/qqmlthread.cpp:155
#8  0x00007f1cbc63320c in QThreadPrivate::start(void*) (arg=0x559d536b1e60) at thread/qthread_unix.cpp:342
#9  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f1c5e642700 (LWP 10560)):
#0  0x00007f1cbc6337a6 in QMutex::unlock() (this=this@entry=0x7f1cb0008d30) at /usr/include/c++/9/bits/atomic_base.h:769
#1  0x00007f1cbc86fc82 in QMutexLocker::unlock() (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:270
#2  QMutexLocker::~QMutexLocker() (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:243
#3  QThreadData::canWaitLocked() (this=0x7f1cb0008d00) at ../../include/QtCore/5.15.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:272
#4  postEventSourcePrepare(GSource*, gint*) (s=0x7f1c480036f0, timeout=timeout@entry=0x7f1c5e641bd4) at kernel/qeventdispatcher_glib.cpp:260
#5  0x00007f1cba3fc72f in g_main_context_prepare (context=context@entry=0x7f1c48000c20, priority=priority@entry=0x7f1c5e641c60) at ../../../glib/gmain.c:3619
#6  0x00007f1cba3fd0db in g_main_context_iterate (context=context@entry=0x7f1c48000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4027
#7  0x00007f1cba3fd2e3 in g_main_context_iteration (context=0x7f1c48000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#8  0x00007f1cbc86fd7b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f1c48000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#9  0x00007f1cbc81408b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f1c5e641da0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#10 0x00007f1cbc632082 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#11 0x00007f1cbc63320c in QThreadPrivate::start(void*) (arg=0x559d4f8b6350) at thread/qthread_unix.cpp:342
#12 0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#13 0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f1c5ee43700 (LWP 10559)):
#0  __GI___libc_read (nbytes=16, buf=0x7f1c5ee42cd0, fd=36) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=36, buf=buf@entry=0x7f1c5ee42cd0, nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f1cba44589f in read (__nbytes=16, __buf=0x7f1c5ee42cd0, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  g_wakeup_acknowledge (wakeup=0x559d502d9b00) at ../../../glib/gwakeup.c:210
#4  0x00007f1cba3fccfe in g_main_context_check (context=context@entry=0x559d4f672d80, max_priority=2147483647, fds=fds@entry=0x559d4ef35d60, n_fds=n_fds@entry=1) at ../../../glib/gmain.c:3825
#5  0x00007f1cba3fd152 in g_main_context_iterate (context=0x559d4f672d80, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4044
#6  0x00007f1cba3fd533 in g_main_loop_run (loop=0x559d4f672e70) at ../../../glib/gmain.c:4241
#7  0x00007f1c6dedbeda in gdbus_shared_thread_func (user_data=0x559d4ef4c2d0) at ../../../gio/gdbusprivate.c:279
#8  0x00007f1cba426931 in g_thread_proxy (data=0x559d502d9400) at ../../../glib/gthread.c:807
#9  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f1c5f644700 (LWP 10558)):
#0  0x00007f1cbc158aff in __GI___poll (fds=0x559d4f66a220, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1cba3fd1ae in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x559d4f66a220, timeout=<optimized out>, context=0x559d4f1c0050) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x559d4f1c0050, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f1cba3fd2e3 in g_main_context_iteration (context=0x559d4f1c0050, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f1cba3fd331 in glib_worker_main (data=<optimized out>) at ../../../glib/gmain.c:5996
#5  0x00007f1cba426931 in g_thread_proxy (data=0x559d4d72e000) at ../../../glib/gthread.c:807
#6  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f1c6c919700 (LWP 10556)):
#0  0x00007f1cbc158aff in __GI___poll (fds=0x7f1c64051470, nfds=1, timeout=50346) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1cba3fd1ae in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f1c64051470, timeout=<optimized out>, context=0x7f1c64000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f1c64000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f1cba3fd2e3 in g_main_context_iteration (context=0x7f1c64000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f1cbc86fd7b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f1c64000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f1cbc81408b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f1c6c918da0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f1cbc632082 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f1cbc63320c in QThreadPrivate::start(void*) (arg=0x7f1cb00097b0) at thread/qthread_unix.cpp:342
#8  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f1c6ebeb700 (LWP 10554)):
#0  __GI___libc_read (nbytes=16, buf=0x7f1c6ebeab90, fd=28) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=28, buf=buf@entry=0x7f1c6ebeab90, nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f1cba44589f in read (__nbytes=16, __buf=0x7f1c6ebeab90, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  g_wakeup_acknowledge (wakeup=0x7f1c78003950) at ../../../glib/gwakeup.c:210
#4  0x00007f1cba3fccfe in g_main_context_check (context=context@entry=0x7f1c68000c20, max_priority=2147483647, fds=fds@entry=0x7f1c68004c30, n_fds=n_fds@entry=1) at ../../../glib/gmain.c:3825
#5  0x00007f1cba3fd152 in g_main_context_iterate (context=context@entry=0x7f1c68000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4044
#6  0x00007f1cba3fd2e3 in g_main_context_iteration (context=0x7f1c68000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#7  0x00007f1cbc86fd7b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f1c68000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#8  0x00007f1cbc81408b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f1c6ebeada0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#9  0x00007f1cbc632082 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#10 0x00007f1cbc63320c in QThreadPrivate::start(void*) (arg=0x559d4ffa5970) at thread/qthread_unix.cpp:342
#11 0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f1c98992700 (LWP 10547)):
#0  0x00007f1cbc86fa65 in timerSourcePrepare(GSource*, gint*) (source=0x7f1c780048c0, timeout=timeout@entry=0x7f1c98991bb4) at kernel/qeventdispatcher_glib.cpp:154
#1  0x00007f1cba3fc72f in g_main_context_prepare (context=context@entry=0x7f1c78000c20, priority=priority@entry=0x7f1c98991c40) at ../../../glib/gmain.c:3619
#2  0x00007f1cba3fd0db in g_main_context_iterate (context=context@entry=0x7f1c78000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4027
#3  0x00007f1cba3fd2e3 in g_main_context_iteration (context=0x7f1c78000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f1cbc86fd7b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f1c78000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f1cbc81408b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f1c98991d80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f1cbc632082 in QThread::exec() (this=this@entry=0x559d4dfd5e20) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f1cbb9306c9 in QQmlThreadPrivate::run() (this=0x559d4dfd5e20) at qml/ftw/qqmlthread.cpp:155
#8  0x00007f1cbc63320c in QThreadPrivate::start(void*) (arg=0x559d4dfd5e20) at thread/qthread_unix.cpp:342
#9  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f1c9a7fc700 (LWP 10546)):
#0  g_mutex_unlock (mutex=0x7f1c84000c20) at ../../../glib/gthread-posix.c:1493
#1  0x00007f1cba3fcb70 in g_main_context_check (context=context@entry=0x7f1c84000c20, max_priority=2147483647, fds=fds@entry=0x7f1c84005240, n_fds=n_fds@entry=1) at ../../../glib/gmain.c:3951
#2  0x00007f1cba3fd152 in g_main_context_iterate (context=context@entry=0x7f1c84000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4044
#3  0x00007f1cba3fd2e3 in g_main_context_iteration (context=0x7f1c84000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f1cbc86fd7b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f1c84000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f1cbc81408b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f1c9a7fbd80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f1cbc632082 in QThread::exec() (this=this@entry=0x559d4db03db0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f1cbb9306c9 in QQmlThreadPrivate::run() (this=0x559d4db03db0) at qml/ftw/qqmlthread.cpp:155
#8  0x00007f1cbc63320c in QThreadPrivate::start(void*) (arg=0x559d4db03db0) at thread/qthread_unix.cpp:342
#9  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f1cae6bb700 (LWP 10541)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559d4d896d78) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559d4d896d28, cond=0x559d4d896d50) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x559d4d896d50, mutex=0x559d4d896d28) at pthread_cond_wait.c:638
#3  0x00007f1cb459897b in cnd_wait (mtx=0x559d4d896d28, cond=0x559d4d896d50) at ../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x559d4d8f7ac0) at ../src/util/u_queue.c:275
#5  0x00007f1cb459858b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#6  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f1caeebc700 (LWP 10540)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559d4d896d78) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559d4d896d28, cond=0x559d4d896d50) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x559d4d896d50, mutex=0x559d4d896d28) at pthread_cond_wait.c:638
#3  0x00007f1cb459897b in cnd_wait (mtx=0x559d4d896d28, cond=0x559d4d896d50) at ../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x559d4da06ca0) at ../src/util/u_queue.c:275
#5  0x00007f1cb459858b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#6  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f1caf6bd700 (LWP 10539)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559d4d896d78) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559d4d896d28, cond=0x559d4d896d50) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x559d4d896d50, mutex=0x559d4d896d28) at pthread_cond_wait.c:638
#3  0x00007f1cb459897b in cnd_wait (mtx=0x559d4d896d28, cond=0x559d4d896d50) at ../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x559d4d9858b0) at ../src/util/u_queue.c:275
#5  0x00007f1cb459858b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#6  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f1cafebe700 (LWP 10538)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559d4d896d78) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559d4d896d28, cond=0x559d4d896d50) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x559d4d896d50, mutex=0x559d4d896d28) at pthread_cond_wait.c:638
#3  0x00007f1cb459897b in cnd_wait (mtx=0x559d4d896d28, cond=0x559d4d896d50) at ../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x559d4da91d30) at ../src/util/u_queue.c:275
#5  0x00007f1cb459858b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#6  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f1cb67a6700 (LWP 10525)):
#0  0x00007f1cbc158aff in __GI___poll (fds=0x7f1ca8015230, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1cba3fd1ae in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f1ca8015230, timeout=<optimized out>, context=0x7f1ca8000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f1ca8000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f1cba3fd2e3 in g_main_context_iteration (context=0x7f1ca8000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f1cbc86fd7b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f1ca8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f1cbc81408b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f1cb67a5d70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f1cbc632082 in QThread::exec() (this=this@entry=0x7f1cbb5cfd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f1cbb54cf2b in QDBusConnectionManager::run() (this=0x7f1cbb5cfd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179
#8  0x00007f1cbc63320c in QThreadPrivate::start(void*) (arg=0x7f1cbb5cfd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:342
#9  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f1cb7938700 (LWP 10506)):
#0  0x00007f1cbc158aff in __GI___poll (fds=0x7f1cb7937ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1cbad4fc1a in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f1cbad5190a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f1cb7f1f978 in QXcbEventQueue::run() (this=0x559d4d741530) at qxcbeventqueue.cpp:228
#4  0x00007f1cbc63320c in QThreadPrivate::start(void*) (arg=0x559d4d741530) at thread/qthread_unix.cpp:342
#5  0x00007f1cbad23609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f1cbc165293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f1cb8330800 (LWP 10496)):
[KCrash Handler]
#6  0x00007f1cbc83f798 in std::__atomic_base<QThreadData*>::load(std::memory_order) const (__m=std::memory_order_relaxed, this=0x38) at /usr/include/c++/9/bits/atomic_base.h:734
#7  std::atomic<QThreadData*>::load(std::memory_order) const (__m=std::memory_order_relaxed, this=0x38) at /usr/include/c++/9/atomic:519
#8  QAtomicOps<QThreadData*>::loadRelaxed<QThreadData*>(std::atomic<QThreadData*> const&) (_q_value=...) at ../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:239
#9  QBasicAtomicPointer<QThreadData>::loadRelaxed() const (this=0x38) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:248
#10 QObject::thread() const (this=this@entry=0x559d537762c0) at kernel/qobject.cpp:1487
#11 0x00007f1cbc84638d in QObject::killTimer(int) (this=this@entry=0x559d537762c0, id=0) at kernel/qobject.cpp:1795
#12 0x00007f1cbc851239 in QTimer::stop() (this=this@entry=0x559d537762c0) at kernel/qtimer.cpp:243
#13 0x00007f1cbc8512b3 in QTimer::start() (this=0x559d537762c0) at kernel/qtimer.cpp:211
#14 0x00007f1c75e06f59 in KNSCore::Cache::registerChangedEntry(KNSCore::EntryInternal const&) (this=0x559d52ffa7f0, entry=...) at ./src/core/cache.cpp:289
#15 0x00007f1cbc84c47e in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffea9442d00, r=0x559d52ffa7f0, this=0x559d4e160620) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#16 doActivate<false>(QObject*, int, void**) (sender=0x559d535b9320, signal_index=9, argv=0x7ffea9442d00) at kernel/qobject.cpp:3886
#17 0x00007f1cbc845847 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x559d535b9320, m=m@entry=0x7f1c75e735c0 <KNSCore::Engine::staticMetaObject>, local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x7ffea9442d00) at kernel/qobject.cpp:3946
#18 0x00007f1c75df7bb9 in KNSCore::Engine::signalEntryChanged(KNSCore::EntryInternal const&) (this=this@entry=0x559d535b9320, _t1=...) at ./obj-x86_64-linux-gnu/src/core/KF5NewStuffCore_autogen/EWIEGA46WW/moc_engine.cpp:578
#19 0x00007f1c75e12fae in KNSCore::Engine::install(KNSCore::EntryInternal, int) (this=this@entry=0x559d535b9320, entry=..., linkId=linkId@entry=4) at ./src/core/engine.cpp:553
#20 0x00007f1c7c5a00f1 in ItemsModel::installItem(int, int) (this=0x559d4f6e05e0, index=<optimized out>, linkId=4) at ./src/qtquick/quickitemsmodel.cpp:412
#21 0x00007f1c7c59839a in ItemsModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=_o@entry=0x559d4f6e05e0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=3, _a=_a@entry=0x7ffea9443000) at ./obj-x86_64-linux-gnu/src/qtquick/newstuffqmlplugin_autogen/EWIEGA46WW/moc_quickitemsmodel.cpp:218
#22 0x00007f1c7c599f73 in ItemsModel::qt_metacall(QMetaObject::Call, int, void**) (this=0x559d4f6e05e0, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7ffea9443000) at ./obj-x86_64-linux-gnu/src/qtquick/newstuffqmlplugin_autogen/EWIEGA46WW/moc_quickitemsmodel.cpp:301
#23 0x00007f1cbb8c3365 in QQmlObjectOrGadget::metacall(QMetaObject::Call, int, void**) const (this=this@entry=0x7ffea9443340, type=type@entry=QMetaObject::InvokeMetaMethod, index=<optimized out>, index@entry=58, argv=<optimized out>) at ../../include/QtQml/5.15.0/QtQml/private/../../../../../src/qml/qml/ftw/qflagpointer_p.h:351
#24 0x00007f1cbb78c245 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=0x559d51cc4000, callArgs=<optimized out>, callType=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:1301
#25 0x00007f1cbb78e347 in CallPrecise(QQmlObjectOrGadget const&, QQmlPropertyData const&, QV4::ExecutionEngine*, QV4::CallData*, QMetaObject::Call) (object=..., data=..., engine=engine@entry=0x559d51cc4000, callArgs=callArgs@entry=0x7f1c9b034730, callType=callType@entry=QMetaObject::InvokeMetaMethod) at ../../include/QtQml/5.15.0/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:285
#26 0x00007f1cbb78f25a in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const (this=<optimized out>, thisObject=<optimized out>, argv=<optimized out>, argc=2) at jsruntime/qv4qobjectwrapper.cpp:2128
#27 0x00007f1cbb7af271 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/5.15.0/QtQml/private/../../../../../src/qml/jsruntime/qv4functionobject_p.h:172
#28 QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) (frame=0x7ffea9443630, engine=0x559d51cc4000, code=0x7f1c9b0346a0 "@\231\314\232\034\177") at jsruntime/qv4vme_moth.cpp:754
#29 0x00007f1cbb7b11af in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) (frame=frame@entry=0x7ffea9443630, engine=engine@entry=0x559d51cc4000) at jsruntime/qv4vme_moth.cpp:463
#30 0x00007f1cbb73ddfd in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) (this=this@entry=0x559d4ffb9490, thisObject=<optimized out>, argv=argv@entry=0x7f1c9b034630, argc=<optimized out>, context=<optimized out>) at jsruntime/qv4function.cpp:69
#31 0x00007f1cbb8e4607 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) (this=this@entry=0x559d51154ce0, callData=callData@entry=0x7f1c9b034600, isUndefined=isUndefined@entry=0x0) at ../../include/QtQml/5.15.0/QtQml/private/../../../../../src/qml/jsruntime/qv4value_p.h:343
#32 0x00007f1cbb8872ce in QQmlBoundSignalExpression::evaluate(void**) (this=<optimized out>, a=<optimized out>) at ../../include/QtQml/5.15.0/QtQml/private/../../../../../src/qml/jsruntime/qv4jscall_p.h:95
#33 0x00007f1cbb888368 in QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**) (e=0x559d5112da60, a=0x7ffea9445520) at ../../include/QtQml/5.15.0/QtQml/private/../../../../../src/qml/qml/qqmlboundsignalexpressionpointer_p.h:69
#34 0x00007f1cbb8c2dcd in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) (endpoint=<optimized out>, a=a@entry=0x7ffea9445520) at qml/qqmlnotifier.cpp:104
#35 0x00007f1cbb865c7f in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) (object=0x559d51154680, index=21, a=0x7ffea9445520) at qml/qqmlengine.cpp:834
#36 0x00007f1cbc84c005 in doActivate<false>(QObject*, int, void**) (sender=0x559d51154680, signal_index=21, argv=0x7ffea9445520) at kernel/qobject_p.h:110
#37 0x00007f1cbb860b9b in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at qml/qqmlvmemetaobject.cpp:969
#38 0x00007f1cbb8c3365 in QQmlObjectOrGadget::metacall(QMetaObject::Call, int, void**) const (this=this@entry=0x7ffea9445860, type=type@entry=QMetaObject::InvokeMetaMethod, index=<optimized out>, index@entry=25, argv=<optimized out>) at ../../include/QtQml/5.15.0/QtQml/private/../../../../../src/qml/qml/ftw/qflagpointer_p.h:351
#39 0x00007f1cbb78c245 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=0x559d51cc4000, callArgs=<optimized out>, callType=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:1301
#40 0x00007f1cbb78e347 in CallPrecise(QQmlObjectOrGadget const&, QQmlPropertyData const&, QV4::ExecutionEngine*, QV4::CallData*, QMetaObject::Call) (object=..., data=..., engine=engine@entry=0x559d51cc4000, callArgs=callArgs@entry=0x7f1c9b034598, callType=callType@entry=QMetaObject::InvokeMetaMethod) at ../../include/QtQml/5.15.0/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:285
#41 0x00007f1cbb78f25a in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const (this=<optimized out>, thisObject=<optimized out>, argv=<optimized out>, argc=3) at jsruntime/qv4qobjectwrapper.cpp:2128
#42 0x00007f1cbb7af271 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/5.15.0/QtQml/private/../../../../../src/qml/jsruntime/qv4functionobject_p.h:172
#43 QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) (frame=0x7ffea9445b50, engine=0x559d51cc4000, code=0x7f1c9b034538 "\300\337\336\232\034\177") at jsruntime/qv4vme_moth.cpp:754
#44 0x00007f1cbb7b11af in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) (frame=frame@entry=0x7ffea9445b50, engine=engine@entry=0x559d51cc4000) at jsruntime/qv4vme_moth.cpp:463
#45 0x00007f1cbb73ddfd in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) (this=this@entry=0x559d4ee16160, thisObject=<optimized out>, argv=argv@entry=0x7f1c9b034500, argc=<optimized out>, context=<optimized out>) at jsruntime/qv4function.cpp:69
#46 0x00007f1cbb8e4607 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) (this=this@entry=0x559d4fd86bf0, callData=callData@entry=0x7f1c9b0344d0, isUndefined=isUndefined@entry=0x0) at ../../include/QtQml/5.15.0/QtQml/private/../../../../../src/qml/jsruntime/qv4value_p.h:343
#47 0x00007f1cbb8872ce in QQmlBoundSignalExpression::evaluate(void**) (this=<optimized out>, a=<optimized out>) at ../../include/QtQml/5.15.0/QtQml/private/../../../../../src/qml/jsruntime/qv4jscall_p.h:95
#48 0x00007f1cbb888368 in QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**) (e=0x559d4fd86380, a=0x0) at ../../include/QtQml/5.15.0/QtQml/private/../../../../../src/qml/qml/qqmlboundsignalexpressionpointer_p.h:69
#49 0x00007f1cbb8c2dcd in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) (endpoint=<optimized out>, a=a@entry=0x0) at qml/qqmlnotifier.cpp:104
#50 0x00007f1cbb865c7f in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) (object=0x559d4fd81270, index=64, a=0x0) at qml/qqmlengine.cpp:834
#51 0x00007f1cbc84c005 in doActivate<false>(QObject*, int, void**) (sender=0x559d4fd81270, signal_index=64, argv=0x0) at kernel/qobject_p.h:110
#52 0x00007f1cb6b20a41 in QQuickAbstractButtonPrivate::handleRelease(QPointF const&) (this=0x559d4fd81330, point=...) at qquickabstractbutton.cpp:182
#53 0x00007f1cb6b3fa99 in QQuickControl::mouseReleaseEvent(QMouseEvent*) (this=<optimized out>, event=0x7ffea9448140) at /usr/include/x86_64-linux-gnu/qt5/QtGui/qevent.h:128
#54 0x00007f1cbbcf6ce8 in QQuickItem::event(QEvent*) (this=0x559d4fd81270, ev=0x7ffea9448140) at items/qquickitem.cpp:8128
#55 0x00007f1cbd471cc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x559d4d73fad0, receiver=receiver@entry=0x559d4fd81270, e=e@entry=0x7ffea9448140) at kernel/qapplication.cpp:3671
#56 0x00007f1cbd47ac70 in QApplication::notify(QObject*, QEvent*) (this=0x7ffea9448600, receiver=0x559d4fd81270, e=0x7ffea9448140) at kernel/qapplication.cpp:3417
#57 0x00007f1cbc81557a in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x559d4fd81270, event=0x7ffea9448140) at ../../include/QtCore/5.15.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#58 0x00007f1cbbd10a65 in QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*) (this=this@entry=0x559d4f03d480, pointerEvent=0x559d4fc0ebd0) at items/qquickwindow.cpp:1900
#59 0x00007f1cbbd1218f in QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*) (this=this@entry=0x559d4f03d480, event=0x559d4fc0ebd0) at items/qquickwindow.cpp:2488
#60 0x00007f1cbbd130b9 in QQuickWindowPrivate::handleMouseEvent(QMouseEvent*) (event=0x7ffea9448140, this=0x559d4f03d480) at items/qquickwindow.cpp:2337
#61 QQuickWindowPrivate::handleMouseEvent(QMouseEvent*) (this=0x559d4f03d480, event=0x7ffea9448140) at items/qquickwindow.cpp:2290
#62 0x00007f1cbcd7383d in QWindow::event(QEvent*) (this=this@entry=0x559d4efd2ca0, ev=ev@entry=0x7ffea9448140) at kernel/qwindow.cpp:2433
#63 0x00007f1cbbd14adb in QQuickWindow::event(QEvent*) (this=0x559d4efd2ca0, e=0x7ffea9448140) at items/qquickwindow.cpp:1782
#64 0x00007f1cbd471cc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x559d4d73fad0, receiver=receiver@entry=0x559d4efd2ca0, e=e@entry=0x7ffea9448140) at kernel/qapplication.cpp:3671
#65 0x00007f1cbd47ac70 in QApplication::notify(QObject*, QEvent*) (this=0x7ffea9448600, receiver=0x559d4efd2ca0, e=0x7ffea9448140) at kernel/qapplication.cpp:3417
#66 0x00007f1cbc81557a in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x559d4efd2ca0, event=0x7ffea9448140) at ../../include/QtCore/5.15.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#67 0x00007f1cbcd67f78 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) (e=e@entry=0x559d4fe06500) at kernel/qguiapplication.cpp:2214
#68 0x00007f1cbcd695b5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) (e=e@entry=0x559d4fe06500) at kernel/qguiapplication.cpp:1946
#69 0x00007f1cbcd412cb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1175
#70 0x00007f1cb7f2099e in xcbSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#71 0x00007f1cba3fcfbd in g_main_dispatch (context=0x7f1cb0005000) at ../../../glib/gmain.c:3309
#72 g_main_context_dispatch (context=context@entry=0x7f1cb0005000) at ../../../glib/gmain.c:3974
#73 0x00007f1cba3fd240 in g_main_context_iterate (context=context@entry=0x7f1cb0005000, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4047
#74 0x00007f1cba3fd2e3 in g_main_context_iteration (context=0x7f1cb0005000, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#75 0x00007f1cbc86fd62 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x559d4d803aa0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#76 0x00007f1cbc81408b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffea94484e0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#77 0x00007f1cbc81c224 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#78 0x0000559d4d11c292 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:209
[Inferior 1 (process 10496) detached]

Possible duplicates by query: bug 422533.

Reported using DrKonqi
Comment 1 Nate Graham 2020-11-09 18:09:37 UTC
More thread insanity:

#8  QAtomicOps<QThreadData*>::loadRelaxed<QThreadData*>(std::atomic<QThreadData*> const&) (_q_value=...) at ../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:239
#9  QBasicAtomicPointer<QThreadData>::loadRelaxed() const (this=0x38) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:248
#10 QObject::thread() const (this=this@entry=0x559d537762c0) at kernel/qobject.cpp:1487
#11 0x00007f1cbc84638d in QObject::killTimer(int) (this=this@entry=0x559d537762c0, id=0) at kernel/qobject.cpp:1795
#12 0x00007f1cbc851239 in QTimer::stop() (this=this@entry=0x559d537762c0) at kernel/qtimer.cpp:243
#13 0x00007f1cbc8512b3 in QTimer::start() (this=0x559d537762c0) at kernel/qtimer.cpp:211
#14 0x00007f1c75e06f59 in KNSCore::Cache::registerChangedEntry(KNSCore::EntryInternal const&) (this=0x559d52ffa7f0, entry=...) at ./src/core/cache.cpp:289
#15 0x00007f1cbc84c47e in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffea9442d00, r=0x559d52ffa7f0, this=0x559d4e160620) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#16 doActivate<false>(QObject*, int, void**) (sender=0x559d535b9320, signal_index=9, argv=0x7ffea9442d00) at kernel/qobject.cpp:3886
#17 0x00007f1cbc845847 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x559d535b9320, m=m@entry=0x7f1c75e735c0 <KNSCore::Engine::staticMetaObject>, local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x7ffea9442d00) at kernel/qobject.cpp:3946
#18 0x00007f1c75df7bb9 in KNSCore::Engine::signalEntryChanged(KNSCore::EntryInternal const&) (this=this@entry=0x559d535b9320, _t1=...) at ./obj-x86_64-linux-gnu/src/core/KF5NewStuffCore_autogen/EWIEGA46WW/moc_engine.cpp:578
#19 0x00007f1c75e12fae in KNSCore::Engine::install(KNSCore::EntryInternal, int) (this=this@entry=0x559d535b9320, entry=..., linkId=linkId@entry=4) at ./src/core/engine.cpp:553
Comment 2 Alexander Lohnau 2020-11-09 18:49:32 UTC
Does this always happen or only sometimes?
Comment 3 Patrick Silva 2020-11-09 19:21:55 UTC
it happened just once.
Comment 4 Nate Graham 2020-11-13 17:01:28 UTC

*** This bug has been marked as a duplicate of bug 428065 ***
Comment 5 Nate Graham 2020-12-09 15:54:18 UTC

*** This bug has been marked as a duplicate of bug 429442 ***
Comment 6 Nate Graham 2021-10-21 14:25:23 UTC
*** Bug 444185 has been marked as a duplicate of this bug. ***