Bug 382319 - Plasma crash when closing multiple windows
Summary: Plasma crash when closing multiple windows
Status: RESOLVED DUPLICATE of bug 381317
Alias: None
Product: plasmashell
Classification: Plasma
Component: general (show other bugs)
Version: 5.8.6
Platform: openSUSE Linux
: NOR crash
Target Milestone: 1.0
Assignee: David Edmundson
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2017-07-13 23:57 UTC by Cezar Tigaret
Modified: 2017-07-14 00:17 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:

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Description Cezar Tigaret 2017-07-13 23:57:05 UTC 
Application: plasmashell (5.8.6)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.4.74-18.20-default x86_64
Distribution: "openSUSE Leap 42.2"

-- Information about the crash:
- What I was doing when the application crashed:
Cosing several windows (Okular instances) from the context menu in icon-only task-manager; several other applications were also running (Dolphin, two instances, firefox, one instance, pybliographer, two instances)

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 0x7ff665d85900 (LWP 2887))]

Thread 21 (Thread 0x7ff53fdf1700 (LWP 11442)):
#0  0x00007ff65eacf0bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff65f9bc65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff6638b64eb in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007ff6638b6995 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7ff5508c1700 (LWP 10398)):
#0  0x00007ff65eacf0bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff65f9bc65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff6638b64eb in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007ff6638b6995 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7ff5510c2700 (LWP 9251)):
#0  0x00007ff65eacf0bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff65f9bc65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff6638b64eb in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007ff6638b6995 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7ff53cbeb700 (LWP 9250)):
#0  0x00007ff65eacf0bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff65f9bc65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff6638b64eb in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007ff6638b6995 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7ff533ffe700 (LWP 9170)):
#0  0x00007ff65eacf0bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff65f9bc65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff6638b64eb in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007ff6638b6995 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7ff53e5ee700 (LWP 8942)):
#0  0x00007ff65eacf0bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff65f9bc65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff6638b64eb in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007ff6638b6995 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7ff53dded700 (LWP 8885)):
#0  0x00007ff65eacf0bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff65f9bc65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff6638b64eb in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007ff6638b6995 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7ff55e1cf700 (LWP 3611)):
#0  0x00007ff65eacf0bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff65f9bc65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff6638b64eb in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007ff6638b6995 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7ff56b997700 (LWP 3587)):
#0  0x00007ff65eacf0bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff65f9bc65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff6638b64eb in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007ff6638b6995 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7ff570a48700 (LWP 3578)):
#0  0x00007ff65f2c120d in poll () at /lib64/libc.so.6
#1  0x00007ff65b989314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007ff65b98942c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007ff65fbce33b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007ff65fb7bfeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65f9b6f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#8  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7ff572162700 (LWP 3571)):
#0  0x00007ff65f9b44f8 in QMutex::unlock() () at /usr/lib64/libQt5Core.so.5
#1  0x00007ff65fbce275 in  () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff65b98895d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#3  0x00007ff65b989230 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007ff65b98942c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007ff65fbce33b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff65fb7bfeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007ff65f9b6f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007ff57358b8f7 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#9  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#11 0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7ff57f7ff700 (LWP 3564)):
#0  0x00007ff65b9ca7d4 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007ff65b988950 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007ff65b989230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007ff65b98942c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007ff65fbce33b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65fb7bfeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff65f9b6f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7ff58634e700 (LWP 3562)):
#0  0x00007ff65eacf0bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff65f9bc65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff6638b64eb in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007ff6638b6995 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7ff58dcd1700 (LWP 3153)):
#0  0x00007ff65b9977f2 in g_poll () at /usr/lib64/libglib-2.0.so.0
#1  0x00007ff65b989314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007ff65b98942c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007ff65fbce33b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007ff65fb7bfeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65f9b6f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#8  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7ff5a778a700 (LWP 3138)):
#0  0x00007ff65eacf0bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff65f9bc65b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff6638b64eb in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007ff6638b6995 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7ff5a8775700 (LWP 3137)):
#0  0x00007fff96d73a9d in clock_gettime ()
#1  0x00007ff65f2d6576 in clock_gettime () at /lib64/libc.so.6
#2  0x00007ff65fa66826 in  () at /usr/lib64/libQt5Core.so.5
#3  0x00007ff65fbcc999 in QTimerInfoList::updateCurrentTime() () at /usr/lib64/libQt5Core.so.5
#4  0x00007ff65fbccf15 in QTimerInfoList::timerWait(timespec&) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65fbce10e in  () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff65b98895d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#7  0x00007ff65b989230 in  () at /usr/lib64/libglib-2.0.so.0
#8  0x00007ff65b98942c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#9  0x00007ff65fbce33b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#10 0x00007ff65fb7bfeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#11 0x00007ff65f9b6f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#12 0x00007ff663847632 in  () at /usr/lib64/libQt5Quick.so.5
#13 0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#14 0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#15 0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7ff63a8ee700 (LWP 3106)):
#0  0x00007ff65eacf0bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff66548e93b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007ff66548e969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#4  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7ff640eaa700 (LWP 3011)):
#0  0x00007ff65f2c120d in poll () at /lib64/libc.so.6
#1  0x00007ff65b989314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007ff65b98942c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007ff65fbce33b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007ff65fb7bfeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65f9b6f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff662cc49d8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7ff642938700 (LWP 2937)):
#0  0x00007ff65f2c120d in poll () at /lib64/libc.so.6
#1  0x00007ff65b989314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007ff65b98942c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007ff65fbce33b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007ff65fb7bfeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff65f9b6f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff662cc49d8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7ff652941700 (LWP 2908)):
#0  0x00007ff65f2bd28d in read () at /lib64/libc.so.6
#1  0x00007ff656d40073 in  () at /usr/lib64/tls/libnvidia-tls.so.375.66
#2  0x00007ff65b9c9670 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007ff65b988e49 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#4  0x00007ff65b9892a8 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007ff65b98942c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#6  0x00007ff65fbce33b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007ff65fb7bfeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#8  0x00007ff65f9b6f1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#9  0x00007ff660737295 in  () at /usr/lib64/libQt5DBus.so.5
#10 0x00007ff65f9bb9e9 in  () at /usr/lib64/libQt5Core.so.5
#11 0x00007ff65eaca744 in start_thread () at /lib64/libpthread.so.0
#12 0x00007ff65f2c9aad in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7ff665d85900 (LWP 2887)):
[KCrash Handler]
#6  0x00007ff65fb491c0 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007ff65fb4949f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007ff65fb50339 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007ff65fba7bc1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#10 0x00007ff65fc1e284 in QAbstractItemModel::rowsRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#11 0x00007ff65fb2cb31 in QAbstractItemModel::endRemoveRows() () at /usr/lib64/libQt5Core.so.5
#12 0x00007ff63b19f55f in TaskManager::TaskGroupingProxyModel::Private::sourceRowsAboutToBeRemoved(QModelIndex const&, int, int) () at /usr/lib64/libtaskmanager.so.6
#13 0x00007ff63b1a20e9 in  () at /usr/lib64/libtaskmanager.so.6
#14 0x00007ff65fba7bc1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#15 0x00007ff65fc1e234 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#16 0x00007ff65fb2c2b4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#17 0x00007ff65fb4ae1d in  () at /usr/lib64/libQt5Core.so.5
#18 0x00007ff65fb4afcd in  () at /usr/lib64/libQt5Core.so.5
#19 0x00007ff65fb50318 in  () at /usr/lib64/libQt5Core.so.5
#20 0x00007ff65fba7bc1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#21 0x00007ff65fc1e234 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#22 0x00007ff65fb2c2b4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#23 0x00007ff63af39ed5 in  () at /usr/lib64/libKF5ItemModels.so.5
#24 0x00007ff63af3abb9 in  () at /usr/lib64/libKF5ItemModels.so.5
#25 0x00007ff65fba7bc1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#26 0x00007ff65fc1e234 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#27 0x00007ff65fb2c2b4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#28 0x00007ff65fb442bf in  () at /usr/lib64/libQt5Core.so.5
#29 0x00007ff65fba7bc1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#30 0x00007ff65fc1e234 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#31 0x00007ff65fb2c2b4 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () at /usr/lib64/libQt5Core.so.5
#32 0x00007ff63b1b9235 in TaskManager::XWindowTasksModel::Private::removeWindow(unsigned long long) () at /usr/lib64/libtaskmanager.so.6
#33 0x00007ff65fba81d3 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#34 0x00007ff6627e1302 in KWindowSystem::windowRemoved(unsigned long long) () at /usr/lib64/libKF5WindowSystem.so.5
#35 0x00007ff642d59935 in  () at /usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#36 0x00007ff6627d9ca1 in NETRootInfo::update(QFlags<NET::Property>, QFlags<NET::Property2>) () at /usr/lib64/libKF5WindowSystem.so.5
#37 0x00007ff6627dab72 in NETRootInfo::event(xcb_generic_event_t*, QFlags<NET::Property>*, QFlags<NET::Property2>*) () at /usr/lib64/libKF5WindowSystem.so.5
#38 0x00007ff6627dada2 in NETRootInfo::event(xcb_generic_event_t*, unsigned long*, int) () at /usr/lib64/libKF5WindowSystem.so.5
#39 0x00007ff642d59306 in  () at /usr/lib64/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#40 0x00007ff65fb7b280 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib64/libQt5Core.so.5
#41 0x00007ff650582be4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5
#42 0x00007ff650584c3b in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5
#43 0x00007ff65fba9176 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#44 0x00007ff660b06e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#45 0x00007ff660b0b49a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#46 0x00007ff65fb7dfd5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#47 0x00007ff65fb7fdba in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#48 0x00007ff65fbcec93 in  () at /usr/lib64/libQt5Core.so.5
#49 0x00007ff65b989134 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#50 0x00007ff65b989388 in  () at /usr/lib64/libglib-2.0.so.0
#51 0x00007ff65b98942c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#52 0x00007ff65fbce31c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#53 0x00007ff65fb7bfeb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#54 0x00007ff65fb83ed6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#55 0x000000000041ee0f in  ()
#56 0x00007ff65f2006e5 in __libc_start_main () at /lib64/libc.so.6
#57 0x000000000041f079 in _start ()

Reported using DrKonqi
Comment 1 David Edmundson 2017-07-14 00:17:02 UTC 

*** This bug has been marked as a duplicate of bug 381317 ***