Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.2.0-35-generic x86_64
Distribution: Ubuntu 16.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Login on plasma and suddenly a crash report is generated. Usually, one or two more crash are generated after that

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f261bd408c0 (LWP 3165))]

Thread 14 (Thread 0x7f2607e68700 (LWP 3166)):
#0  0x00007f261644de8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f261a512c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f261a5148d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f260a5e8629 in QXcbEventReader::run (this=0xa0cb40) at qxcbconnection.cpp:1253
#4  0x00007f2616b4384e in QThreadPrivate::start (arg=0xa0cb40) at thread/qthread_unix.cpp:331
#5  0x00007f2615c306fa in start_thread (arg=0x7f2607e68700) at pthread_create.c:333
#6  0x00007f2616459b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f2604fc8700 (LWP 3176)):
#0  0x00007f2616d7a0a5 in idleTimerSourceCheck (source=0x7f25f8002f20) at kernel/qeventdispatcher_glib.cpp:214
#1  0x00007f26131e2d51 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f26131e32c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f26131e342c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2616d7aa9b in QEventDispatcherGlib::processEvents (this=0x7f25f80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f2616d21dea in QEventLoop::exec (this=this@entry=0x7f2604fc7ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f2616b3e8a4 in QThread::exec (this=this@entry=0xafbf00) at thread/qthread.cpp:503
#7  0x00007f26193e63c5 in QQmlThreadPrivate::run (this=0xafbf00) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f2616b4384e in QThreadPrivate::start (arg=0xafbf00) at thread/qthread_unix.cpp:331
#9  0x00007f2615c306fa in start_thread (arg=0x7f2604fc8700) at pthread_create.c:333
#10 0x00007f2616459b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f25f4615700 (LWP 3202)):
#0  QTimerInfoList::repairTimersIfNeeded (this=0x7f25ec002cd0) at kernel/qtimerinfo_unix.cpp:154
#1  0x00007f2616d78aa3 in QTimerInfoList::timerWait (this=0x7f25ec002cd0, tm=...) at kernel/qtimerinfo_unix.cpp:382
#2  0x00007f2616d79e7e in timerSourcePrepareHelper (timeout=0x7f25f4614b24, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#3  timerSourcePrepare (source=<optimized out>, timeout=0x7f25f4614b24) at kernel/qeventdispatcher_glib.cpp:160
#4  0x00007f26131e28ad in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f26131e324b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f26131e342c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f2616d7aa9b in QEventDispatcherGlib::processEvents (this=0x7f25ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#8  0x00007f2616d21dea in QEventLoop::exec (this=this@entry=0x7f25f4614ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007f2616b3e8a4 in QThread::exec (this=this@entry=0xe7e0c0) at thread/qthread.cpp:503
#10 0x00007f26193e63c5 in QQmlThreadPrivate::run (this=0xe7e0c0) at qml/ftw/qqmlthread.cpp:141
#11 0x00007f2616b4384e in QThreadPrivate::start (arg=0xe7e0c0) at thread/qthread_unix.cpp:331
#12 0x00007f2615c306fa in start_thread (arg=0x7f25f4615700) at pthread_create.c:333
#13 0x00007f2616459b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f25f2774700 (LWP 3208)):
#0  0x00007f2613227a64 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f26131e323e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f26131e342c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2616d7aa9b in QEventDispatcherGlib::processEvents (this=0x7f25e40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f2616d21dea in QEventLoop::exec (this=this@entry=0x7f25f2773ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f2616b3e8a4 in QThread::exec (this=this@entry=0x1011510) at thread/qthread.cpp:503
#6  0x00007f26193e63c5 in QQmlThreadPrivate::run (this=0x1011510) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f2616b4384e in QThreadPrivate::start (arg=0x1011510) at thread/qthread_unix.cpp:331
#8  0x00007f2615c306fa in start_thread (arg=0x7f25f2774700) at pthread_create.c:333
#9  0x00007f2616459b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f25f0e05700 (LWP 3301)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f261b78bbd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f261b78bc19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f2615c306fa in start_thread (arg=0x7f25f0e05700) at pthread_create.c:333
#4  0x00007f2616459b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f2561cef700 (LWP 3604)):
#0  0x00007f261644de8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f26131e331c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f26131e342c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2616d7aa9b in QEventDispatcherGlib::processEvents (this=0x7f255c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f2616d21dea in QEventLoop::exec (this=this@entry=0x7f2561ceec90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f2616b3e8a4 in QThread::exec (this=this@entry=0x1c091a0) at thread/qthread.cpp:503
#6  0x00007f2619d6ced6 in QQuickPixmapReader::run (this=0x1c091a0) at util/qquickpixmapcache.cpp:817
#7  0x00007f2616b4384e in QThreadPrivate::start (arg=0x1c091a0) at thread/qthread_unix.cpp:331
#8  0x00007f2615c306fa in start_thread (arg=0x7f2561cef700) at pthread_create.c:333
#9  0x00007f2616459b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f256146e700 (LWP 3620)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2616b44aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x12f4c40) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x1895db8, mutex=mutex@entry=0x1895db0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f2619de292e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x1895da8) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x1895d30) at scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007f2619de31b3 in QSGRenderThread::run (this=0x1895d30) at scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007f2616b4384e in QThreadPrivate::start (arg=0x1895d30) at thread/qthread_unix.cpp:331
#7  0x00007f2615c306fa in start_thread (arg=0x7f256146e700) at pthread_create.c:333
#8  0x00007f2616459b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f2559bfe700 (LWP 3634)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2616b44aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x2054c60) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x168ddd8, mutex=mutex@entry=0x168ddd0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f2619de292e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x168ddc8) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x168dd50) at scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007f2619de31b3 in QSGRenderThread::run (this=0x168dd50) at scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007f2616b4384e in QThreadPrivate::start (arg=0x168dd50) at thread/qthread_unix.cpp:331
#7  0x00007f2615c306fa in start_thread (arg=0x7f2559bfe700) at pthread_create.c:333
#8  0x00007f2616459b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f2545013700 (LWP 3646)):
#0  0x00007f2613227a64 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f26131e2eba in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f26131e3380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f26131e342c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2616d7aa9b in QEventDispatcherGlib::processEvents (this=0x7f25400008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f2616d21dea in QEventLoop::exec (this=this@entry=0x7f2545012cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f2616b3e8a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f25474f37d7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007f2616b4384e in QThreadPrivate::start (arg=0x2e3aa10) at thread/qthread_unix.cpp:331
#9  0x00007f2615c306fa in start_thread (arg=0x7f2545013700) at pthread_create.c:333
#10 0x00007f2616459b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f253febf700 (LWP 3654)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2616b44aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x31ca510) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x31c6b08, mutex=mutex@entry=0x31c6b00, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f2619de292e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x31c6af8) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x31c6a80) at scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007f2619de31b3 in QSGRenderThread::run (this=0x31c6a80) at scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007f2616b4384e in QThreadPrivate::start (arg=0x31c6a80) at thread/qthread_unix.cpp:331
#7  0x00007f2615c306fa in start_thread (arg=0x7f253febf700) at pthread_create.c:333
#8  0x00007f2616459b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f253f5de700 (LWP 3655)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2616b44aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x3186730) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x3186888, mutex=mutex@entry=0x3186880, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f2619de292e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x3186878) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x3186800) at scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007f2619de31b3 in QSGRenderThread::run (this=0x3186800) at scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007f2616b4384e in QThreadPrivate::start (arg=0x3186800) at thread/qthread_unix.cpp:331
#7  0x00007f2615c306fa in start_thread (arg=0x7f253f5de700) at pthread_create.c:333
#8  0x00007f2616459b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f252b7fd700 (LWP 3698)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2616b44aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x3bd7ae0) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x3a617d8, mutex=mutex@entry=0x3a617d0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f2619de292e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x3a617c8) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x3a61750) at scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007f2619de31b3 in QSGRenderThread::run (this=0x3a61750) at scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007f2616b4384e in QThreadPrivate::start (arg=0x3a61750) at thread/qthread_unix.cpp:331
#7  0x00007f2615c306fa in start_thread (arg=0x7f252b7fd700) at pthread_create.c:333
#8  0x00007f2616459b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f252affc700 (LWP 3699)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f2616b44aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x3bba0c0) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x39bf6c8, mutex=mutex@entry=0x39bf6c0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f2619de292e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x39bf6b8) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x39bf640) at scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007f2619de31b3 in QSGRenderThread::run (this=0x39bf640) at scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007f2616b4384e in QThreadPrivate::start (arg=0x39bf640) at thread/qthread_unix.cpp:331
#7  0x00007f2615c306fa in start_thread (arg=0x7f252affc700) at pthread_create.c:333
#8  0x00007f2616459b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f261bd408c0 (LWP 3165)):
[KCrash Handler]
#6  0x00007f26191b60f8 in VDMModelDelegateDataType::notify (this=<optimized out>, items=..., index=0, count=1, roles=...) at util/qqmladaptormodel.cpp:167
#7  0x00007f2619427ada in QQmlAdaptorModel::notify (roles=..., count=1, index=0, items=..., this=0x2901df8) at ../../include/QtQml/5.5.1/QtQml/private/../../../../../src/qml/util/qqmladaptormodel_p.h:118
#8  QQmlDelegateModel::_q_itemsChanged (this=<optimized out>, index=0, count=1, roles=...) at types/qqmldelegatemodel.cpp:1144
#9  0x00007f2619427c3a in QQmlDelegateModel::_q_dataChanged (this=<optimized out>, begin=..., end=..., roles=...) at types/qqmldelegatemodel.cpp:1546
#10 0x00007f261944f17c in QQmlDelegateModel::qt_static_metacall (_o=_o@entry=0x2901b70, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=12, _a=_a@entry=0x7ffef359cb60) at .moc/moc_qqmldelegatemodel_p.cpp:203
#11 0x00007f261944f968 in QQmlDelegateModel::qt_metacall (this=0x2901b70, _c=QMetaObject::InvokeMetaMethod, _id=12, _a=0x7ffef359cb60) at .moc/moc_qqmldelegatemodel_p.cpp:344
#12 0x00007f2616d53180 in QMetaObject::activate (sender=0x201aa00, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffef359cb60) at kernel/qobject.cpp:3728
#13 0x00007f2616d537d7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f2616f6cec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffef359cb60) at kernel/qobject.cpp:3578
#14 0x00007f2616dcf0fc in QAbstractItemModel::dataChanged (this=<optimized out>, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:548
#15 0x00007f254f3c57f4 in TaskManager::TasksModelPrivate::itemChanged (this=0x28e65d0, changes=...) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/libtaskmanager/tasksmodel.cpp:521
#16 0x00007f254f3c6a77 in TaskManager::TasksModel::qt_static_metacall (_o=_o@entry=0x201aa00, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=9, _a=_a@entry=0x7ffef359cd50) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/obj-x86_64-linux-gnu/libtaskmanager/moc_tasksmodel.cpp:214
#17 0x00007f2616d52fca in QMetaObject::activate (sender=0x3b60330, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffef359cd50) at kernel/qobject.cpp:3713
#18 0x00007f2616d537d7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f254f5ec900 <TaskManager::AbstractGroupableItem::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffef359cd50) at kernel/qobject.cpp:3578
#19 0x00007f254f3cea68 in TaskManager::AbstractGroupableItem::changed (this=<optimized out>, _t1=...) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/obj-x86_64-linux-gnu/libtaskmanager/moc_abstractgroupableitem.cpp:223
#20 0x00007f254f3bb4b0 in TaskManager::TaskItemPrivate::filterChange (change=..., this=<optimized out>) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/libtaskmanager/taskitem.cpp:73
#21 TaskManager::TaskItem::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/obj-x86_64-linux-gnu/libtaskmanager/moc_taskitem.cpp:147
#22 0x00007f2616d52fca in QMetaObject::activate (sender=sender@entry=0x26e76d0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffef359cea0) at kernel/qobject.cpp:3713
#23 0x00007f2616d537d7 in QMetaObject::activate (sender=sender@entry=0x26e76d0, m=m@entry=0x7f254f5ec600 <TaskManager::Task::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffef359cea0) at kernel/qobject.cpp:3578
#24 0x00007f254f3cec58 in TaskManager::Task::changed (this=this@entry=0x26e76d0, _t1=...) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/obj-x86_64-linux-gnu/libtaskmanager/moc_task.cpp:359
#25 0x00007f254f3acd5b in TaskManager::Task::setActive (this=this@entry=0x26e76d0, a=a@entry=true) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/libtaskmanager/task.cpp:178
#26 0x00007f254f3c13e9 in TaskManager::TaskManager::activeWindowChanged (this=0x7f254f5edf90 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, w=<optimized out>) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/libtaskmanager/taskmanager.cpp:412
#27 0x00007f2616d52e4f in QtPrivate::QSlotObjectBase::call (a=0x7ffef359d030, r=0x7f254f5edf90 <TaskManager::(anonymous namespace)::Q_QGS_privateTaskManagerSelf::innerFunction()::holder>, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#28 QMetaObject::activate (sender=sender@entry=0x7f261910cc00 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffef359d030) at kernel/qobject.cpp:3698
#29 0x00007f2616d537d7 in QMetaObject::activate (sender=sender@entry=0x7f261910cc00 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, m=m@entry=0x7f261910bba0 <KWindowSystem::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffef359d030) at kernel/qobject.cpp:3578
#30 0x00007f2618efd682 in KWindowSystem::activeWindowChanged (this=this@entry=0x7f261910cc00 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, _t1=65011777) at moc_kwindowsystem.cpp:303
#31 0x00007f26051dc25b in NETEventFilter::nativeEventFilter (this=0x23dbfe0, ev=0x7f26000032d0) at ../../../../src/platforms/xcb/kwindowsystem.cpp:208
#32 0x00007f2616d20f9f in QAbstractEventDispatcher::filterNativeEvent (this=<optimized out>, eventType=..., message=message@entry=0x7f26000032d0, result=result@entry=0x7ffef359d168) at kernel/qabstracteventdispatcher.cpp:460
#33 0x00007f260a5ea0a4 in QXcbConnection::handleXcbEvent (this=this@entry=0x9ff010, event=event@entry=0x7f26000032d0) at qxcbconnection.cpp:1044
#34 0x00007f260a5eae53 in QXcbConnection::processXcbEvents (this=0x9ff010) at qxcbconnection.cpp:1532
#35 0x00007f2616d53ea1 in QObject::event (this=0x9ff010, e=<optimized out>) at kernel/qobject.cpp:1239
#36 0x00007f261782705c in QApplicationPrivate::notify_helper (this=this@entry=0x9f1ca0, receiver=receiver@entry=0x9ff010, e=e@entry=0x7f2600003a50) at kernel/qapplication.cpp:3716
#37 0x00007f261782c516 in QApplication::notify (this=0x7ffef359d8f0, receiver=0x9ff010, e=0x7f2600003a50) at kernel/qapplication.cpp:3499
#38 0x00007f2616d2462b in QCoreApplication::notifyInternal (this=0x7ffef359d8f0, receiver=0x9ff010, event=event@entry=0x7f2600003a50) at kernel/qcoreapplication.cpp:965
#39 0x00007f2616d26a26 in QCoreApplication::sendEvent (event=0x7f2600003a50, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#40 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x9e7c00) at kernel/qcoreapplication.cpp:1593
#41 0x00007f2616d26f08 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#42 0x00007f2616d7a673 in postEventSourceDispatch (s=0xa40150) at kernel/qeventdispatcher_glib.cpp:271
#43 0x00007f26131e3127 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f26131e3380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007f26131e342c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f2616d7aa7f in QEventDispatcherGlib::processEvents (this=0xa2fb30, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#47 0x00007f2616d21dea in QEventLoop::exec (this=this@entry=0x7ffef359d790, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#48 0x00007f2616d29e8c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#49 0x00007f261705dc3c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1542
#50 0x00007f2617823495 in QApplication::exec () at kernel/qapplication.cpp:2976
#51 0x0000000000432d4a in main (argc=2, argv=<optimized out>) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/main.cpp:181

Possible duplicates by query: bug 362159, bug 362054, bug 361749, bug 361649, bug 360915.

Reported using DrKonqi