https://bugs.kde.org/show_bug.cgi?id=383782

            Bug ID: 383782
           Summary: plasmapa crashes plasmashell when changing sound
                    settings
           Product: plasmashell
           Version: 5.10.4
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: caked...@gmail.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.10.4)

Qt Version: 5.9.1
Frameworks Version: 5.37.0
Operating System: Linux 4.12.8-2-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
Sometimes when I change my sound settings, Plasma will crash. It's happened
when I change output streams, adjust volume through the applet in the tray, or
though the volume settings dialog. Not sure what causes it as I can't reliably
produce a crash.

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 0x7fcd79585c80 (LWP 5071))]

Thread 17 (Thread 0x7f8c6d5ab700 (LWP 6297)):
#0  0x00007fcd6d426a69 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fcd6d3e1153 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2  0x00007fcd6d3e1b3b in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fcd6d3e1d1c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007fcd73440084 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007fcd733e3ffb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007fcd731fd40e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fcd763821d5 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7fcc8e7fc700 (LWP 5358)):
#0  0x00007fcd723c038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcd732035ec in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fccbb96840f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccbb96d469 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#17 0x00007fccbb96ac73 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#18 0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#19 0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#20 0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7fcc8effd700 (LWP 5357)):
#0  0x00007fcd723c038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcd732035ec in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fccbb96840f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccbb96d469 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccbb96ac73 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7fcc8f7fe700 (LWP 5356)):
#0  0x00007fcd723c038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcd732035ec in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fccbb96840f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccbb96d469 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccbb96ac73 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fcc8ffff700 (LWP 5355)):
#0  0x00007fcd723c038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcd732035ec in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fccbb96840f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccbb96d469 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#17 0x00007fccbb96ac73 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#18 0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#19 0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#20 0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fcc989ac700 (LWP 5354)):
#0  0x00007fcd723c038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcd732035ec in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fccbb96840f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccbb96d469 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccbb96ac73 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fcc991ad700 (LWP 5353)):
#0  0x00007fcd723c038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcd732035ec in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fccbb96840f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccbb96d469 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#17 0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#18 0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#19 0x00007fccbb96ac73 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#20 0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#21 0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#22 0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fcc999ae700 (LWP 5352)):
#0  0x00007fcd723c038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcd732035ec in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fccbb96840f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccbb96d469 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccbb96ac73 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fcc9a1af700 (LWP 5351)):
#0  0x00007fcd723c038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcd732035ec in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fccbb96840f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fccbb96d469 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fccbb96d4c2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fccbb967914 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fccbb96ac73 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fccaef88700 (LWP 5175)):
#0  0x00007fcd72b02c6b in poll () at /usr/lib/libc.so.6
#1  0x00007fcd6d3e1c09 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcd6d3e1d1c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fcd73440084 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fcd733e3ffb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fcd731fd40e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fccc2f25700 (LWP 5160)):
#0  0x00007fcd72afe788 in read () at /usr/lib/libc.so.6
#1  0x00007fcd6d425730 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcd6d3e16eb in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fcd6d3e1bb0 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fcd6d3e1d1c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007fcd73440084 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007fcd733e3ffb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007fcd731fd40e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fcd76f388d6 in  () at /usr/lib/libQt5Quick.so.5
#9  0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fcd4eda8700 (LWP 5159)):
#0  0x00007fcd723c038d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fcd78c55b04 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007fcd78c55b49 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fcd59162700 (LWP 5158)):
#0  0x00007fcd731f99dc in QMutex::lock() () at /usr/lib/libQt5Core.so.5
#1  0x00007fcd7343ff8f in  () at /usr/lib/libQt5Core.so.5
#2  0x00007fcd6d3e1148 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fcd6d3e1b3b in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fcd6d3e1d1c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007fcd73440084 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007fcd733e3ffb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007fcd731fd40e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fcd763821d5 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fcd5b5ef700 (LWP 5149)):
#0  0x00007fcd6d3e112c in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#1  0x00007fcd6d3e1b3b in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcd6d3e1d1c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fcd73440084 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fcd733e3ffb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fcd731fd40e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fcd763821d5 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fcd610b7700 (LWP 5106)):
#0  0x00007fcd72b02c6b in poll () at /usr/lib/libc.so.6
#1  0x00007fcd6d3e1c09 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fcd6d3e1d1c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fcd73440084 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fcd733e3ffb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fcd731fd40e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fcd7385f396 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fcd63145700 (LWP 5079)):
#0  0x00007fcd72b02c6b in poll () at /usr/lib/libc.so.6
#1  0x00007fcd77b618e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007fcd77b63679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fcd656bb72a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fcd7320215b in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fcd723ba08a in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fcd72b0d1cf in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fcd79585c80 (LWP 5071)):
[KCrash Handler]
#5  0x00007fcd76368a01 in QQmlBinding::getPropertyData(QQmlPropertyData**,
QQmlPropertyData*) const () at /usr/lib/libQt5Qml.so.5
#6  0x00007fcd7636bcfc in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007fcd7636c7de in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007fcd763695a3 in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at
/usr/lib/libQt5Qml.so.5
#9  0x00007fcd76340293 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /usr/lib/libQt5Qml.so.5
#10 0x00007fcd762decd9 in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /usr/lib/libQt5Qml.so.5
#11 0x00007fcd73414f9f in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#12 0x00007fccb8d54d84 in  () at
/usr/lib/qt/qml/org/kde/plasma/private/volume/libplasma-volume-declarative.so
#13 0x00007fccb8d49d11 in  () at
/usr/lib/qt/qml/org/kde/plasma/private/volume/libplasma-volume-declarative.so
#14 0x00007fcd675ddd8c in  () at /usr/lib/libpulse.so.0
#15 0x00007fcd66d5aba1 in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#16 0x00007fcd66d5af2b in pa_pdispatch_run () at
/usr/lib/pulseaudio/libpulsecommon-10.0.so
#17 0x00007fcd675d2a6e in  () at /usr/lib/libpulse.so.0
#18 0x00007fcd66d5d997 in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#19 0x00007fcd66d605eb in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#20 0x00007fcd66d60989 in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#21 0x00007fcd66d6120a in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#22 0x00007fcd673bef36 in  () at /usr/lib/libpulse-mainloop-glib.so.0
#23 0x00007fcd6d3e1a57 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#24 0x00007fcd6d3e1c88 in  () at /usr/lib/libglib-2.0.so.0
#25 0x00007fcd6d3e1d1c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#26 0x00007fcd73440061 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#27 0x00007fcd733e3ffb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#28 0x00007fcd733ed048 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#29 0x000055f01709273b in  ()
#30 0x00007fcd72a37f6a in __libc_start_main () at /usr/lib/libc.so.6
#31 0x000055f017092ada in _start ()

Reported using DrKonqi

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