Bug 410651

Summary: Plasma crashed while searching for an app
Product: [Plasma] plasmashell Reporter: Ali Rashidi <alirashidi127>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.16.3   
Target Milestone: 1.0   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Ali Rashidi 2019-08-06 13:44:32 UTC 
Application: plasmashell (5.16.3)

Qt Version: 5.13.0
Frameworks Version: 5.60.0
Operating System: Linux 4.19.59-1-MANJARO x86_64
Distribution: "Manjaro Linux"

-- Information about the crash:
- What I was doing when the application crashed:
Opened up Application launcher, started to write an application name and while it was searching pressed backspace instantly.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f29191e5880 (LWP 1020))]

Thread 22 (Thread 0x7f28977fe700 (LWP 22421)):
#0  0x00007f291db65e3d in syscall () at /usr/lib/libc.so.6
#1  0x00007f291dede8e2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291e0d5e8f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#3  0x00007f28e82c4170 in  () at /usr/lib/qt/plugins/krunner_placesrunner.so
#4  0x00007f29045b7a98 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () at /usr/lib/libKF5Runner.so.5
#5  0x00007f29044a55b9 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f29044a4384 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f29044a3f6c in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f2897fff700 (LWP 22420)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f291dee25a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291dee2692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f29044a2309 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f29044a5d8b in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f29044a14fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f29044a3ecc in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f28b0a4e700 (LWP 22419)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f291dee25a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291dee2692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f29044a2309 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f29044a5d8b in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f29044a14fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f29044a3ecc in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f28b124f700 (LWP 22418)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f291dee25a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291dee2692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f29044a2309 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f29044a5d8b in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f29044a14fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f29044a3ecc in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f28b1a50700 (LWP 22417)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f291dee25a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291dee2692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f29044a2309 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f29044a5d8b in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f29044a14fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f29044a3ecc in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f28b2251700 (LWP 22416)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f291dee25a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291dee2692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f29044a2309 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f29044a5d8b in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f29044a14fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f29044a3ecc in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f28b3fff700 (LWP 22415)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f291dee25a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291dee2692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f29044a2309 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f29044a5d8b in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f29044a14fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f29044a3ecc in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f28b2fb5700 (LWP 22414)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f291dee25a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291dee2692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f29044a2309 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f29044a5d8b in  () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f29044a14fe in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f29044a3ecc in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f28b37fe700 (LWP 11275)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f291dee25a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291dee2692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f291fcc27bd in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f291fcc2a6e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f28e96a0700 (LWP 1653)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f291dee25a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291dee2692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f291fcc27bd in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f291fcc2a6e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f28eabad700 (LWP 1652)):
#0  0x00007f291db5c18c in read () at /usr/lib/libc.so.6
#1  0x00007f28f756b782 in pa_read () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#2  0x00007f28f79f255f in pa_mainloop_prepare () at /usr/lib/libpulse.so.0
#3  0x00007f28f79f2fd1 in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4  0x00007f28f79f3091 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5  0x00007f28f7a015ae in  () at /usr/lib/libpulse.so.0
#6  0x00007f28f759b9fc in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#7  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f28e8d57700 (LWP 1431)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f291dee25a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291dee2692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f291fcc27bd in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f291fcc2a6e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f28e9f60700 (LWP 1425)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f291dee25a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291dee2692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f291fcc27bd in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f291fcc2a6e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f28ebfff700 (LWP 1411)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f291dee25a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291dee2692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f291fcc27bd in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f291fcc2a6e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f28f15c5700 (LWP 1403)):
#0  0x00007f291db60667 in poll () at /usr/lib/libc.so.6
#1  0x00007f291c398a80 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f291c398b51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f291e1019bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f291e0a85ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f291dedb2f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f28f1dc6700 (LWP 1401)):
#0  0x00007f291c3494e4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f291c398a75 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f291c398b51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f291e1019bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f291e0a85ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f291dedb2f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f28f29c613b in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f290522e700 (LWP 1394)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f291dee25a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f291dee2692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f291fcc27bd in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f291fcc2a6e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f2905a2f700 (LWP 1391)):
#0  0x00007f291db60667 in poll () at /usr/lib/libc.so.6
#1  0x00007f291c398a80 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f291c398b51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f291e1019bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f291e0a85ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f291dedb2f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f291fc3761b in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f2907413700 (LWP 1389)):
#0  0x00007f291d3b1415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f290757debc in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f290757dab8 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f2916402700 (LWP 1213)):
#0  0x00007f291db60667 in poll () at /usr/lib/libc.so.6
#1  0x00007f291c398a80 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f291c398b51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f291e1019bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f291e0a85ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f291dedb2f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f291f9598f9 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f2917624700 (LWP 1034)):
#0  0x00007f291db5c18c in read () at /usr/lib/libc.so.6
#1  0x00007f291c3499f0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f291c397311 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f291c398a28 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f291c398b51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f291e1019bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f291e0a85ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f291dedb2f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f291e979b37 in  () at /usr/lib/libQt5DBus.so.5
#9  0x00007f291dedc520 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f291d3ab57f in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f291db6b0e3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f29191e5880 (LWP 1020)):
[KCrash Handler]
#6  0x00007f291f7c6f0e in QV4::QObjectWrapper::wrap(QV4::ExecutionEngine*, QObject*) () at /usr/lib/libQt5Qml.so.5
#7  0x00007f291f86f991 in QV4::ExecutionEngine::fromVariant(QVariant const&) () at /usr/lib/libQt5Qml.so.5
#8  0x00007f291f7e9ffb in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f291f809dcf in  () at /usr/lib/libQt5Qml.so.5
#10 0x00007f291f80ee2f in  () at /usr/lib/libQt5Qml.so.5
#11 0x00007f291f79bab0 in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () at /usr/lib/libQt5Qml.so.5
#12 0x00007f291f9259f8 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /usr/lib/libQt5Qml.so.5
#13 0x00007f291f8c60fd in QQmlBoundSignalExpression::evaluate(void**) () at /usr/lib/libQt5Qml.so.5
#14 0x00007f291f8c7849 in  () at /usr/lib/libQt5Qml.so.5
#15 0x00007f291f908bfe in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5
#16 0x00007f291f8a620f in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/libQt5Qml.so.5
#17 0x00007f291e0d52eb in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#18 0x00007f2904977ad1 in  () at /usr/lib/qt/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#19 0x00007f290493f4f0 in  () at /usr/lib/qt/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#20 0x00007f291e0d5a11 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#21 0x00007f29045d1fe3 in Plasma::RunnerManager::matchesChanged(QList<Plasma::QueryMatch> const&) () at /usr/lib/libKF5Runner.so.5
#22 0x00007f29045d6145 in  () at /usr/lib/libKF5Runner.so.5
#23 0x00007f291e0d644a in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#24 0x00007f291ebe74d5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#25 0x00007f291ebf0a21 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#26 0x00007f291e0a99c2 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#27 0x00007f291e0ac739 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#28 0x00007f291e1023a4 in  () at /usr/lib/libQt5Core.so.5
#29 0x00007f291c396cf4 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#30 0x00007f291c398b11 in  () at /usr/lib/libglib-2.0.so.0
#31 0x00007f291c398b51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#32 0x00007f291e1019a3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#33 0x00007f291e0a85ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#34 0x00007f291e0b0326 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#35 0x000055f4bb21edf6 in  ()
#36 0x00007f291da95ee3 in __libc_start_main () at /usr/lib/libc.so.6
#37 0x000055f4bb21f2ae in _start ()
[Inferior 1 (process 1020) detached]

Reported using DrKonqi
Comment 1 David Edmundson 2019-08-15 21:16:19 UTC 

*** This bug has been marked as a duplicate of bug 402439 ***