Bug 366054

Summary: plasma crashed after rapid clicks on system tray icons
Product: [Plasma] plasmashell Reporter: Aram <aramgrigoryan>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bhush94, notmart, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.5.5   
Target Milestone: 1.0   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Aram 2016-07-24 20:16:38 UTC 
Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.1.27-27-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
clicked on device notifier icon in the system tray when no storage device was pluged. then rapidly clicked on bluetooth icon several times and it didnt open the etry for bluetooth and crashed.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0b04cd47c0 (LWP 1865))]

Thread 15 (Thread 0x7f0aee72f700 (LWP 1866)):
#0  0x00007f0afe1d0bfd in poll () at /lib64/libc.so.6
#1  0x00007f0b03124422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f0b0312600f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f0af08803c9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f0afe8cb32f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f0ae79d1700 (LWP 1873)):
#0  0x00007f0afeafdc9a in  () at /usr/lib64/libQt5Core.so.5
#1  0x00007f0afa8ad4ad in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0afa8add80 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f0afa8adf7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f0afeafdd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0afeaa4d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f0afe8c661a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f0b01bdae18 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f0afe8cb32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f0ada527700 (LWP 1904)):
#0  0x00007f0afe1ccccd in read () at /lib64/libc.so.6
#1  0x00007f0afa8eeb60 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0afa8ad999 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f0afa8addf8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f0afa8adf7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f0afeafdd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f0afeaa4d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f0afe8c661a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0b01bdae18 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f0afe8cb32f in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f0ad8ca3700 (LWP 1905)):
#0  0x00007f0afe1ccccd in read () at /lib64/libc.so.6
#1  0x00007f0afa8eeb60 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0afa8ad999 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f0afa8addf8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f0afa8adf7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f0afeafdd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f0afeaa4d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f0afe8c661a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0b01bdae18 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f0afe8cb32f in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f0ad31cf700 (LWP 1906)):
#0  0x00007f0afd9de03f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f0b043a986b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f0b043a9899 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f0a4bfff700 (LWP 1907)):
#0  0x00007f0afa8efd14 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f0afa8ade0e in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0afa8adf7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f0afeafdd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f0afeaa4d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0afe8c661a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f0b02776282 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007f0afe8cb32f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f0a38b9b700 (LWP 7606)):
#0  0x00007f0afd9de03f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f0afe8cc34b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f0a497ac65f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f0a497b043a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f0a497ae005 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f0afe8cb32f in  () at /usr/lib64/libQt5Core.so.5
#11 0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f0a30f22700 (LWP 7607)):
#0  0x00007f0afd9de03f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f0afe8cc34b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f0a497ac65f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f0a497b043a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f0a497ae005 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f0afe8cb32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f0a2bfff700 (LWP 7608)):
#0  0x00007f0afd9de03f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f0afe8cc34b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f0a497ac65f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f0a497b043a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f0a497ae005 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f0afe8cb32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f0a2b7fe700 (LWP 7609)):
#0  0x00007f0afd9de03f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f0afe8cc34b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f0a497ac65f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f0a497b043a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f0a497ae005 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f0afe8cb32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f0a2affd700 (LWP 7610)):
#0  0x00007f0afd9de03f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f0afe8cc34b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f0a497ac65f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f0a497b043a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f0a497ae005 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f0afe8cb32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f0a2a7fc700 (LWP 7611)):
#0  0x00007f0afd9de03f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f0afe8cc34b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f0a497ac65f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f0a497b043a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f0a497ae005 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f0afe8cb32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f0a29ffb700 (LWP 7612)):
#0  0x00007f0afd9de03f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f0afe8cc34b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f0a497ac65f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f0a497b043a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#15 0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#16 0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#17 0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#18 0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#19 0x00007f0a497ae005 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#20 0x00007f0afe8cb32f in  () at /usr/lib64/libQt5Core.so.5
#21 0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#22 0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f0a297fa700 (LWP 7613)):
#0  0x00007f0afd9de03f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f0afe8cc34b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f0a497ac65f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f0a497b043a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f0a497b0481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f0a497aa6cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f0a497ae005 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f0afe8cb32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f0afd9da0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f0afe1d902d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f0b04cd47c0 (LWP 1865)):
[KCrash Handler]
#6  0x00007f0b01b64fe4 in QQmlContext::isValid() const () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f0b01b56921 in QQmlExpression::QQmlExpression(QQmlScriptString const&, QQmlContext*, QObject*, QObject*) () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f0b027522b4 in  () at /usr/lib64/libQt5Quick.so.5
#9  0x00007f0b01c0f32f in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () at /usr/lib64/libQt5Qml.so.5
#10 0x00007f0b01c10ad7 in QSequentialAnimationGroupJob::activateCurrentAnimation(bool) () at /usr/lib64/libQt5Qml.so.5
#11 0x00007f0b01c10bbc in QSequentialAnimationGroupJob::uncontrolledAnimationFinished(QAbstractAnimationJob*) () at /usr/lib64/libQt5Qml.so.5
#12 0x00007f0b01c0e8ad in QAbstractAnimationJob::finished() () at /usr/lib64/libQt5Qml.so.5
#13 0x00007f0b01c0f535 in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () at /usr/lib64/libQt5Qml.so.5
#14 0x00007f0b02795ef9 in QQuickAnimatorProxyJob::setWindow(QQuickWindow*) () at /usr/lib64/libQt5Quick.so.5
#15 0x00007f0afead6cc6 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#16 0x00007f0b027fb032 in QQuickItem::windowChanged(QQuickWindow*) () at /usr/lib64/libQt5Quick.so.5
#17 0x00007f0b028073cf in QQuickItemPrivate::derefWindow() () at /usr/lib64/libQt5Quick.so.5
#18 0x00007f0b02808634 in QQuickItem::setParentItem(QQuickItem*) () at /usr/lib64/libQt5Quick.so.5
#19 0x00007f0b02808ad6 in QQuickItem::~QQuickItem() () at /usr/lib64/libQt5Quick.so.5
#20 0x00007f0b02823a96 in  () at /usr/lib64/libQt5Quick.so.5
#21 0x00007f0afead7b18 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#22 0x00007f0b02805cbb in QQuickItem::event(QEvent*) () at /usr/lib64/libQt5Quick.so.5
#23 0x00007f0affe21e7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#24 0x00007f0affe26cc8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#25 0x00007f0afeaa6e95 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#26 0x00007f0afeaa9057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#27 0x00007f0afeafe8f3 in  () at /usr/lib64/libQt5Core.so.5
#28 0x00007f0afa8adc84 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#29 0x00007f0afa8aded8 in  () at /usr/lib64/libglib-2.0.so.0
#30 0x00007f0afa8adf7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#31 0x00007f0afeafdd6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#32 0x00007f0afeaa4d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#33 0x00007f0afeaac8f6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#34 0x0000000000436b3d in main ()

Reported using DrKonqi
Comment 1 Marco Martin 2016-07-26 15:15:57 UTC 
needs to be checked if is still reproducible in 5.7 or newer
Comment 2 David Edmundson 2016-08-02 21:33:03 UTC 

*** This bug has been marked as a duplicate of bug 346740 ***