Application: plasmashell (5.10.4)

Qt Version: 5.9.1
Frameworks Version: 5.36.0
Operating System: Linux 4.10.17-2-MANJARO x86_64
Distribution: "Manjaro Linux"

-- Information about the crash:
- What I was doing when the application crashed:
Volume UP
- Unusual behavior I noticed:
KDE disappear and appear again. Problem repeating some time during opening menu, changing volume, opening widgets on menu bar.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plazma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc17091cc80 (LWP 946))]

Thread 20 (Thread 0x7fc055ffb700 (LWP 8486)):
#0  0x00007fc1697771ad in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc16a5ab5ec in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc0ae0aa3cd in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fc0ae0af2b8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fc0ae0af312 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fc0ae0acb6b in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7fc0567fc700 (LWP 8485)):
#0  0x00007fc1697771ad in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc16a5ab5ec in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc0ae0aa3cd in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fc0ae0af2b8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fc0ae0af312 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fc0ae0af312 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007fc0ae0af312 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007fc0ae0af312 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007fc0ae0af312 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007fc0ae0af312 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#17 0x00007fc0ae0acb6b in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#18 0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#19 0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#20 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7fc056ffd700 (LWP 8484)):
#0  0x00007fc1697771ad in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc16a5ab5ec in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc0ae0aa3cd in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fc0ae0af2b8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fc0ae0af312 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fc0ae0acb6b in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7fc0577fe700 (LWP 8483)):
#0  0x00007fc1697771ad in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc16a5ab5ec in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc0ae0aa3cd in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fc0ae0af2b8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fc0ae0af312 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fc0ae0acb6b in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7fc057fff700 (LWP 8482)):
#0  0x00007fc1697771ad in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc16a5ab5ec in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc0ae0aa3cd in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fc0ae0af2b8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fc0ae0af312 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fc0ae0acb6b in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7fc064e74700 (LWP 8481)):
#0  0x00007fc1697771ad in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc16a5ab5ec in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc0ae0aa3cd in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fc0ae0af2b8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fc0ae0af312 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fc0ae0acb6b in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7fc065675700 (LWP 8480)):
#0  0x00007fc1697771ad in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc16a5ab5ec in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc0ae0aa3cd in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fc0ae0af2b8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fc0ae0af312 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fc0ae0acb6b in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fc085712700 (LWP 8479)):
#0  0x00007fc1697771ad in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc16a5ab5ec in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc0ae0aa3cd in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fc0ae0af2b8 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fc0ae0af312 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fc0ae0a9913 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fc0ae0acb6b in ThreadWeaver::Thread::run() () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fc067bd4700 (LWP 3443)):
#0  0x00007fc169eafbad in read () at /usr/lib/libc.so.6
#1  0x00007fc164810730 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fc1647cc6eb in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fc1647ccbb0 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fc1647ccd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007fc16a7e8084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fc16a78bffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007fc16a5a540e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fc16d72e1d5 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fc085f13700 (LWP 3157)):
#0  0x00007fc169eafbad in read () at /usr/lib/libc.so.6
#1  0x00007fc15e12cf51 in pa_read () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#2  0x00007fc15e9d230e in pa_mainloop_prepare () at /usr/lib/libpulse.so.0
#3  0x00007fc15e9d2d80 in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4  0x00007fc15e9d2e40 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5  0x00007fc15e9e0e29 in  () at /usr/lib/libpulse.so.0
#6  0x00007fc15e15bfe8 in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#7  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fc08751c700 (LWP 3156)):
#0  0x00007fc164811a84 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fc1647cbad7 in g_main_context_acquire () at /usr/lib/libglib-2.0.so.0
#2  0x00007fc1647ccac5 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fc1647ccd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fc16a7e8084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fc16a78bffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fc16a5a540e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fc16d72e1d5 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fc08cb44700 (LWP 2529)):
#0  0x00007fc1647c9ba5 in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007fc1647cc07b in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007fc1647ccb3b in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fc1647ccd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fc16a7e8084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fc16a78bffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fc16a5a540e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fc0a212f700 (LWP 1121)):
#0  0x00007fc164811a69 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fc1647cc153 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007fc1647ccb3b in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fc1647ccd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fc16a7e8084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fc16a78bffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fc16a5a540e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fc0a4ad218a in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#8  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fc0b643d700 (LWP 1093)):
#0  0x00007fc169eb3e9d in poll () at /usr/lib/libc.so.6
#1  0x00007fc1647ccc09 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fc1647ccd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fc16a7e8084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc16a78bffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fc16a5a540e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fc16e2e68d6 in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fc1429a4700 (LWP 1053)):
#0  0x00007fc1697771ad in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc170001b04 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007fc170001b49 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fc150b80700 (LWP 1048)):
#0  0x00007fc1647c9c04 in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007fc1647cc0d0 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007fc1647ccb3b in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fc1647ccd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fc16a7e8084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fc16a78bffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fc16a5a540e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fc16d72e1d5 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fc1529e0700 (LWP 1031)):
#0  0x00007fc16a7e7920 in QElapsedTimer::clockType() () at /usr/lib/libQt5Core.so.5
#1  0x00007fc16a7e793a in QElapsedTimer::isMonotonic() () at /usr/lib/libQt5Core.so.5
#2  0x00007fc16a7e667f in QTimerInfoList::repairTimersIfNeeded() () at /usr/lib/libQt5Core.so.5
#3  0x00007fc16a7e66f5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc16a7e7dcf in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fc1647cc148 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#6  0x00007fc1647ccb3b in  () at /usr/lib/libglib-2.0.so.0
#7  0x00007fc1647ccd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#8  0x00007fc16a7e8084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#9  0x00007fc16a78bffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#10 0x00007fc16a5a540e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#11 0x00007fc16d72e1d5 in  () at /usr/lib/libQt5Qml.so.5
#12 0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#13 0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fc153fff700 (LWP 975)):
#0  0x00007fc164811a69 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fc1647cc61c in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007fc1647ccbb0 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fc1647ccd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fc16a7e8084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fc16a78bffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fc16a5a540e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fc16ac07396 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fc15a519700 (LWP 957)):
#0  0x00007fc169eb3e9d in poll () at /usr/lib/libc.so.6
#1  0x00007fc16ef0f8e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007fc16ef11679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fc15ca8f72a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fc16a5aa15b in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fc169771049 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fc169ebdf0f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fc17091cc80 (LWP 946)):
[KCrash Handler]
#5  0x00007fc16d714a01 in QQmlBinding::getPropertyData(QQmlPropertyData**, QQmlPropertyData*) const () at /usr/lib/libQt5Qml.so.5
#6  0x00007fc16d717cfc in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007fc16d7187de in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007fc16d7155a3 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#9  0x00007fc16d6ec293 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5
#10 0x00007fc16d68acd9 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/libQt5Qml.so.5
#11 0x00007fc16a7bcf9f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#12 0x00007fc0ab69ed84 in  () at /usr/lib/qt/qml/org/kde/plasma/private/volume/libplasma-volume-declarative.so
#13 0x00007fc0ab693d11 in  () at /usr/lib/qt/qml/org/kde/plasma/private/volume/libplasma-volume-declarative.so
#14 0x00007fc15e9c8d8c in  () at /usr/lib/libpulse.so.0
#15 0x00007fc15e145ba1 in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#16 0x00007fc15e145f2b in pa_pdispatch_run () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#17 0x00007fc15e9bda6e in  () at /usr/lib/libpulse.so.0
#18 0x00007fc15e148997 in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#19 0x00007fc15e14b5eb in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#20 0x00007fc15e14b989 in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#21 0x00007fc15e14c20a in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#22 0x00007fc15e7a9f36 in  () at /usr/lib/libpulse-mainloop-glib.so.0
#23 0x00007fc1647cca57 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#24 0x00007fc1647ccc88 in  () at /usr/lib/libglib-2.0.so.0
#25 0x00007fc1647ccd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#26 0x00007fc16a7e8061 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#27 0x00007fc16a78bffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#28 0x00007fc16a795048 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#29 0x00005557ad55d73b in  ()
#30 0x00007fc169df04ca in __libc_start_main () at /usr/lib/libc.so.6
#31 0x00005557ad55dada in _start ()

Reported using DrKonqi