Bug 389026

Summary: Crashing when changing view mode
Product: [Plasma] plasmashell Reporter: Isaac Wismer <kdebugs>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED NOT A BUG    
Severity: crash CC: plasma-bugs-null
Priority: NOR Keywords: drkonqi
Version First Reported In: 5.11.5   
Target Milestone: 1.0   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Isaac Wismer 2018-01-15 20:27:12 UTC 
Application: plasmashell (5.11.5)

Qt Version: 5.10.0
Frameworks Version: 5.41.0
Operating System: Linux 4.14.13-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed: Had 2 tabs open with different PDFs. They started in single page mode. I changed one to facing pages, when I switched to the other PDF, the program freezes, crashes then reopens the documents in facing pages

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fcd82080800 (LWP 816))]

Thread 17 (Thread 0x7fcc8d7fa700 (LWP 5533)):
#0  0x00007fcd7adf939d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fcd7bc3f00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fccb71ee42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccb71f3479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccb71f0c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7fcc8dffb700 (LWP 5532)):
#0  0x00007fcd7adf939d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fcd7bc3f00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fccb71ee42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccb71f3479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007fccb71f0c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#13 0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7fcc8e7fc700 (LWP 5531)):
#0  0x00007fcd7adf939d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fcd7bc3f00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fccb71ee42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccb71f3479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#17 0x00007fccb71f0c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#18 0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#19 0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#20 0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7fcc8effd700 (LWP 5530)):
#0  0x00007fcd7adf939d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fcd7bc3f00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fccb71ee42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccb71f3479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#17 0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#18 0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#19 0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#20 0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#21 0x00007fccb71f0c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#22 0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#23 0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#24 0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fcc8f7fe700 (LWP 5529)):
#0  0x00007fcd7adf939d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fcd7bc3f00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fccb71ee42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccb71f3479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccb71f0c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fcc8ffff700 (LWP 5528)):
#0  0x00007fcd7adf939d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fcd7bc3f00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fccb71ee42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccb71f3479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccb71f0c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fcc94986700 (LWP 5527)):
#0  0x00007fcd7adf939d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fcd7bc3f00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fccb71ee42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccb71f3479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccb71f0c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fccc35db700 (LWP 5526)):
#0  0x00007fcd7adf939d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fcd7bc3f00c in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fccb71ee42f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccb71f3479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccb71f34d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccb71ed924 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccb71f0c83 in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fcca9f06700 (LWP 999)):
#0  0x00007fcd75de6f4e in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007fcd75de713e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcd7be866b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007fcd7be2882b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fcd7bc3878e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007fccab7b91ba in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#6  0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fccc9f08700 (LWP 938)):
#0  0x00007fff115eac3c in clock_gettime ()
#1  0x00007fcd7b5536e6 in clock_gettime () at /usr/lib/libc.so.6
#2  0x00007fcd7be85fa2 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007fcd7be8473a in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#4  0x00007fcd7be84d16 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#5  0x00007fcd7be863ff in  () at /usr/lib/libQt5Core.so.5
#6  0x00007fcd75de6549 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#7  0x00007fcd75de6f4e in  () at /usr/lib/libglib-2.0.so.0
#8  0x00007fcd75de713e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#9  0x00007fcd7be866b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#10 0x00007fcd7be2882b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#11 0x00007fcd7bc3878e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#12 0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#13 0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fcccc023700 (LWP 932)):
#0  0x00007fcd7b53b91b in poll () at /usr/lib/libc.so.6
#1  0x00007fcd75de7023 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcd75de713e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fcd7be866b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fcd7be2882b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fcd7bc3878e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fcd7f9febcb in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fcd579d9700 (LWP 928)):
#0  0x00007fcd7adf939d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fcd8174ff77 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007fcd8174ffb9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fcd61b26700 (LWP 927)):
#0  0x00007fcd75e2dbc4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fcd75de6999 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcd75de6fc6 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fcd75de713e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fcd7be866b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fcd7be2882b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fcd7bc3878e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fcd7ee42a19 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fcd637c7700 (LWP 897)):
#0  0x00007fcd7b53b91b in poll () at /usr/lib/libc.so.6
#1  0x00007fcd75de7023 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcd75de713e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fcd7be866b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fcd7be2882b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fcd7bc3878e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fcd7ee42a19 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fcd69344700 (LWP 867)):
#0  0x00007fcd7b53b91b in poll () at /usr/lib/libc.so.6
#1  0x00007fcd75de7023 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcd75de713e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fcd7be866b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fcd7be2882b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fcd7bc3878e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fcd7c2a8416 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fcd6b71a700 (LWP 841)):
#0  0x00007fcd7b53b91b in poll () at /usr/lib/libc.so.6
#1  0x00007fcd8064d8e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007fcd8064f679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fcd6dea37aa in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fcd7bc3db2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fcd7adf308c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fcd7b545e1f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fcd82080800 (LWP 816)):
[KCrash Handler]
#5  0x00007fcd7ce28b90 in QAction::menu() const () at /usr/lib/libQt5Widgets.so.5
#6  0x00007fcd57dfb17d in  () at /usr/lib/qt/plugins/plasma/applets/plasma_applet_activewindowcontrol.so
#7  0x00007fcd57dfb457 in  () at /usr/lib/qt/plugins/plasma/applets/plasma_applet_activewindowcontrol.so
#8  0x00007fcd57dfc8f3 in  () at /usr/lib/qt/plugins/plasma/applets/plasma_applet_activewindowcontrol.so
#9  0x00007fcd7edf36ba in  () at /usr/lib/libQt5Qml.so.5
#10 0x00007fcd7ed6c5c6 in  () at /usr/lib/libQt5Qml.so.5
#11 0x00007fcd7ed6dd3f in  () at /usr/lib/libQt5Qml.so.5
#12 0x00007fcd7ed6e8ea in QV4::QObjectMethod::callInternal(QV4::CallData*, QV4::Scope&) const () at /usr/lib/libQt5Qml.so.5
#13 0x00007fcd7ed87afb in QV4::Runtime::method_callProperty(QV4::ExecutionEngine*, int, QV4::CallData*) () at /usr/lib/libQt5Qml.so.5
#14 0x00007fcd56e76982 in  ()
#15 0x0000000000000001 in  ()
#16 0x00007fcd7fabfd66 in QQuickItemPrivate::setHasHoverInChild(bool) () at /usr/lib/libQt5Quick.so.5
#17 0x000055c0ba490900 in  ()
#18 0x000055c0b405a230 in  ()
#19 0x0000000000000000 in  ()

Reported using DrKonqi
Comment 1 David Edmundson 2018-01-22 10:36:47 UTC 
>#6  0x00007fcd57dfb17d in  () at /usr/lib/qt/plugins/plasma/applets/plasma_applet_activewindowcontrol.so

That's not coming from us.

Is it https://store.kde.org/p/998910/

please report the bug there.