Application: plasma-discover (5.11.0)

Qt Version: 5.10.0
Frameworks Version: 5.44.0
Operating System: Linux 4.13.0-37-generic x86_64
Distribution: KDE neon User Edition 5.12

-- Information about the crash:
Started running system update through Discover.  I clicked on "Look and Feel".   Discover locked up for a few seconds and crashed.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6de598f900 (LWP 10320))]

Thread 12 (Thread 0x7f6da56c2700 (LWP 18657)):
#0  0x00007ffdf21e6b6d in clock_gettime ()
#1  0x00007f6de0da8876 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7f6da56c1a20) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f6de19dced1 in qt_clock_gettime (ts=0x7f6da56c1a20, clock=<optimized out>) at kernel/qelapsedtimer_unix.cpp:111
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at kernel/qelapsedtimer_unix.cpp:166
#4  qt_gettime () at kernel/qelapsedtimer_unix.cpp:175
#5  0x00007f6de19db6c9 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f6d94002660) at kernel/qtimerinfo_unix.cpp:91
#6  0x00007f6de19dbc35 in QTimerInfoList::timerWait (this=0x7f6d94002660, tm=...) at kernel/qtimerinfo_unix.cpp:388
#7  0x00007f6de19dd33e in timerSourcePrepareHelper (timeout=0x7f6da56c1af4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:132
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f6da56c1af4) at kernel/qeventdispatcher_glib.cpp:165
#9  0x00007f6ddb6e491d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f6ddb6e52bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f6ddb6e549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f6de19dd5cb in QEventDispatcherGlib::processEvents (this=0x7f6d940028e0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#13 0x00007f6de198464a in QEventLoop::exec (this=this@entry=0x7f6da56c1cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#14 0x00007f6de17a4554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#15 0x00007f6de17a96eb in QThreadPrivate::start (arg=0x7f6db4008b20) at thread/qthread_unix.cpp:376
#16 0x00007f6ddd8ea6ba in start_thread (arg=0x7f6da56c2700) at pthread_create.c:333
#17 0x00007f6de0d9a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f6db0b5a700 (LWP 17341)):
#0  0x00007f6de0d8e74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6ddb6e538c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6ddb6e549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6de19dd5cb in QEventDispatcherGlib::processEvents (this=0x7f6d7c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f6de198464a in QEventLoop::exec (this=this@entry=0x7f6db0b59cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f6de17a4554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#6  0x00007f6de17a96eb in QThreadPrivate::start (arg=0x7f6d84435a10) at thread/qthread_unix.cpp:376
#7  0x00007f6ddd8ea6ba in start_thread (arg=0x7f6db0b5a700) at pthread_create.c:333
#8  0x00007f6de0d9a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f6d8ffff700 (LWP 10335)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6de17aa67b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x266fe70) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x23e9e28, mutex=mutex@entry=0x23e9e20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f6de4d188fd in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x23e9e18) at scenegraph/qsgthreadedrenderloop.cpp:245
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x23e9da0) at scenegraph/qsgthreadedrenderloop.cpp:709
#5  0x00007f6de4d191f5 in QSGRenderThread::run (this=0x23e9da0) at scenegraph/qsgthreadedrenderloop.cpp:738
#6  0x00007f6de17a96eb in QThreadPrivate::start (arg=0x23e9da0) at thread/qthread_unix.cpp:376
#7  0x00007f6ddd8ea6ba in start_thread (arg=0x7f6d8ffff700) at pthread_create.c:333
#8  0x00007f6de0d9a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f6da4aa2700 (LWP 10334)):
#0  0x00007f6ddb729a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6ddb6e4929 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6ddb6e52bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6ddb6e549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6de19dd5cb in QEventDispatcherGlib::processEvents (this=0x7f6d880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f6de198464a in QEventLoop::exec (this=this@entry=0x7f6da4aa1cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f6de17a4554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#7  0x00007f6de17a96eb in QThreadPrivate::start (arg=0x2bc1360) at thread/qthread_unix.cpp:376
#8  0x00007f6ddd8ea6ba in start_thread (arg=0x7f6da4aa2700) at pthread_create.c:333
#9  0x00007f6de0d9a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f6da6cea700 (LWP 10331)):
#0  0x00007ffdf21e6b6d in clock_gettime ()
#1  0x00007f6de0da8876 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7f6da6ce9a30) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f6de19dced1 in qt_clock_gettime (ts=0x7f6da6ce9a30, clock=<optimized out>) at kernel/qelapsedtimer_unix.cpp:111
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at kernel/qelapsedtimer_unix.cpp:166
#4  qt_gettime () at kernel/qelapsedtimer_unix.cpp:175
#5  0x00007f6de19db6c9 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f6d9c0024d0) at kernel/qtimerinfo_unix.cpp:91
#6  0x00007f6de19dbc35 in QTimerInfoList::timerWait (this=0x7f6d9c0024d0, tm=...) at kernel/qtimerinfo_unix.cpp:388
#7  0x00007f6de19dd96c in timerSourcePrepareHelper (timeout=0x7f6da6ce9af4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:132
#8  idleTimerSourcePrepare (source=<optimized out>, timeout=0x7f6da6ce9af4) at kernel/qeventdispatcher_glib.cpp:212
#9  0x00007f6ddb6e491d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f6ddb6e52bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f6ddb6e549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f6de19dd5cb in QEventDispatcherGlib::processEvents (this=0x7f6d9c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#13 0x00007f6de198464a in QEventLoop::exec (this=this@entry=0x7f6da6ce9cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#14 0x00007f6de17a4554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#15 0x00007f6de17a96eb in QThreadPrivate::start (arg=0x2661b70) at thread/qthread_unix.cpp:376
#16 0x00007f6ddd8ea6ba in start_thread (arg=0x7f6da6cea700) at pthread_create.c:333
#17 0x00007f6de0d9a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f6da7fff700 (LWP 10330)):
#0  0x00007ffdf21e6b6d in clock_gettime ()
#1  0x00007f6de0da8876 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7f6da7ffea20) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f6de19dced1 in qt_clock_gettime (ts=0x7f6da7ffea20, clock=<optimized out>) at kernel/qelapsedtimer_unix.cpp:111
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at kernel/qelapsedtimer_unix.cpp:166
#4  qt_gettime () at kernel/qelapsedtimer_unix.cpp:175
#5  0x00007f6de19db6c9 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f6d980026d0) at kernel/qtimerinfo_unix.cpp:91
#6  0x00007f6de19dbc35 in QTimerInfoList::timerWait (this=0x7f6d980026d0, tm=...) at kernel/qtimerinfo_unix.cpp:388
#7  0x00007f6de19dd33e in timerSourcePrepareHelper (timeout=0x7f6da7ffeaf4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:132
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f6da7ffeaf4) at kernel/qeventdispatcher_glib.cpp:165
#9  0x00007f6ddb6e491d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f6ddb6e52bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f6ddb6e549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f6de19dd5cb in QEventDispatcherGlib::processEvents (this=0x7f6d980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#13 0x00007f6de198464a in QEventLoop::exec (this=this@entry=0x7f6da7ffecc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#14 0x00007f6de17a4554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#15 0x00007f6de17a96eb in QThreadPrivate::start (arg=0x25f8d00) at thread/qthread_unix.cpp:376
#16 0x00007f6ddd8ea6ba in start_thread (arg=0x7f6da7fff700) at pthread_create.c:333
#17 0x00007f6de0d9a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f6dad419700 (LWP 10328)):
#0  0x00007f6ddb729a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6ddb6e47f7 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6ddb6e52bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6ddb6e5712 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6daee0f9d6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f6ddb70bbb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6ddd8ea6ba in start_thread (arg=0x7f6dad419700) at pthread_create.c:333
#7  0x00007f6de0d9a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f6dadc1a700 (LWP 10327)):
#0  0x00007f6de0d8e74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6ddb6e538c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6ddb6e549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6ddb6e54d9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6ddb70bbb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6ddd8ea6ba in start_thread (arg=0x7f6dadc1a700) at pthread_create.c:333
#6  0x00007f6de0d9a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f6dbd622700 (LWP 10324)):
#0  0x00007f6ddb729aa0 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6ddb6e4f2a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6ddb6e53f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6ddb6e549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6de19dd5cb in QEventDispatcherGlib::processEvents (this=0x7f6db40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f6de198464a in QEventLoop::exec (this=this@entry=0x7f6dbd621c50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f6de17a4554 in QThread::exec (this=this@entry=0x21bf8e0) at thread/qthread.cpp:522
#7  0x00007f6de4c981c6 in QQuickPixmapReader::run (this=0x21bf8e0) at util/qquickpixmapcache.cpp:887
#8  0x00007f6de17a96eb in QThreadPrivate::start (arg=0x21bf8e0) at thread/qthread_unix.cpp:376
#9  0x00007f6ddd8ea6ba in start_thread (arg=0x7f6dbd622700) at pthread_create.c:333
#10 0x00007f6de0d9a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f6dc70d2700 (LWP 10323)):
#0  0x00007f6de0d8e74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f6ddb6e538c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6ddb6e549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6de19dd5cb in QEventDispatcherGlib::processEvents (this=0x7f6db80008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f6de198464a in QEventLoop::exec (this=this@entry=0x7f6dc70d1ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f6de17a4554 in QThread::exec (this=this@entry=0x1e1f5e0) at thread/qthread.cpp:522
#6  0x00007f6de2385a35 in QQmlThreadPrivate::run (this=0x1e1f5e0) at qml/ftw/qqmlthread.cpp:147
#7  0x00007f6de17a96eb in QThreadPrivate::start (arg=0x1e1f5e0) at thread/qthread_unix.cpp:376
#8  0x00007f6ddd8ea6ba in start_thread (arg=0x7f6dc70d2700) at pthread_create.c:333
#9  0x00007f6de0d9a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f6dc82ea700 (LWP 10322)):
#0  0x00007f6ddb6e4da4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6ddb6e5330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6ddb6e549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6de19dd5cb in QEventDispatcherGlib::processEvents (this=0x7f6dc00008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f6de198464a in QEventLoop::exec (this=this@entry=0x7f6dc82e9c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f6de17a4554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#6  0x00007f6de3b712c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f6de17a96eb in QThreadPrivate::start (arg=0x7f6de3de5d60) at thread/qthread_unix.cpp:376
#8  0x00007f6ddd8ea6ba in start_thread (arg=0x7f6dc82ea700) at pthread_create.c:333
#9  0x00007f6de0d9a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f6de598f900 (LWP 10320)):
[KCrash Handler]
#6  0x00007f6de4d4eba4 in QQuickItem::isVisible (this=this@entry=0x19257c70) at items/qquickitem.cpp:5806
#7  0x00007f6de4d53885 in QQuickKeysAttached::inputMethodQuery (this=0x3affbe0, query=Qt::ImHints) at items/qquickitem.cpp:1475
#8  0x00007f6de4d54574 in QQuickItem::inputMethodQuery (this=<optimized out>, query=<optimized out>) at items/qquickitem.cpp:4212
#9  0x00007f6de4d5b736 in QQuickItem::event (this=0x38c6350, ev=0x7ffdf210f220) at items/qquickitem.cpp:7804
#10 0x00007f6de2f9cacc in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x38c6350, e=0x7ffdf210f220) at kernel/qapplication.cpp:3732
#11 0x00007f6de2fa4417 in QApplication::notify (this=0x7ffdf2117810, receiver=0x38c6350, e=0x7ffdf210f220) at kernel/qapplication.cpp:3491
#12 0x00007f6de19863c8 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x38c6350, event=event@entry=0x7ffdf210f220) at kernel/qcoreapplication.cpp:1044
#13 0x00007f6de27f18fa in QCoreApplication::sendEvent (event=0x7ffdf210f220, receiver=0x38c6350) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#14 QGuiApplicationPrivate::_q_updateFocusObject (this=<optimized out>, object=0x38c6350) at kernel/qguiapplication.cpp:3790
#15 0x00007f6de27f21a0 in QGuiApplication::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qguiapplication.cpp:179
#16 0x00007f6de19b3489 in QMetaObject::activate (sender=sender@entry=0x1f34900, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=16, argv=argv@entry=0x7ffdf210f3e0) at kernel/qobject.cpp:3766
#17 0x00007f6de19b3d97 in QMetaObject::activate (sender=sender@entry=0x1f34900, m=m@entry=0x7f6de2e293a0 <QWindow::staticMetaObject>, local_signal_index=local_signal_index@entry=16, argv=argv@entry=0x7ffdf210f3e0) at kernel/qobject.cpp:3628
#18 0x00007f6de27f4792 in QWindow::focusObjectChanged (this=this@entry=0x1f34900, _t1=0x38c6350) at .moc/moc_qwindow.cpp:782
#19 0x00007f6de4d6f2cd in QQuickWindowPrivate::setFocusInScope (this=0x1f34ed0, scope=scope@entry=0x1f62680, item=item@entry=0x38c6350, reason=reason@entry=Qt::OtherFocusReason, options=..., options@entry=...) at items/qquickwindow.cpp:992
#20 0x00007f6de4d5aec8 in QQuickItem::setFocus (this=this@entry=0x38c6350, focus=focus@entry=true, reason=reason@entry=Qt::OtherFocusReason) at items/qquickitem.cpp:7045
#21 0x00007f6de4d5b227 in QQuickItem::forceActiveFocus (this=0x38c6350, reason=reason@entry=Qt::OtherFocusReason) at items/qquickitem.cpp:4667
#22 0x00007f6de4d5b78a in QQuickItem::forceActiveFocus (this=<optimized out>) at items/qquickitem.cpp:4637
#23 0x00007f6de4d5fa25 in QQuickItem::qt_static_metacall (_o=_o@entry=0x38c6350, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=36, _a=_a@entry=0x7ffdf210fe80) at .moc/moc_qquickitem.cpp:629
#24 0x00007f6de4d60998 in QQuickItem::qt_metacall (this=this@entry=0x38c6350, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=36, _a=_a@entry=0x7ffdf210fe80) at .moc/moc_qquickitem.cpp:983
#25 0x00007f6dcb364355 in QQuickControl::qt_metacall (this=this@entry=0x38c6350, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=_a@entry=0x7ffdf210fe80) at .moc/moc_qquickcontrol_p.cpp:520
#26 0x00007f6dcb369ad5 in QQuickPage::qt_metacall (this=0x38c6350, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7ffdf210fe80) at .moc/moc_qquickpage_p.cpp:259
#27 0x00007f6de22dabdc in QQmlVMEMetaObject::metaCall (this=0x406a920, o=<optimized out>, c=QMetaObject::InvokeMetaMethod, _id=41, a=0x7ffdf210fe80) at qml/qqmlvmemetaobject.cpp:978
#28 0x00007f6de22dac1e in QQmlVMEMetaObject::metaCall (this=0x3f961f0, o=<optimized out>, c=QMetaObject::InvokeMetaMethod, _id=41, a=0x7ffdf210fe80) at qml/qqmlvmemetaobject.cpp:976
#29 0x00007f6de22dac1e in QQmlVMEMetaObject::metaCall (this=0x3fd3600, o=<optimized out>, c=QMetaObject::InvokeMetaMethod, _id=41, a=0x7ffdf210fe80) at qml/qqmlvmemetaobject.cpp:976
#30 0x00007f6de22dac1e in QQmlVMEMetaObject::metaCall (this=0x40b3bf0, o=<optimized out>, c=QMetaObject::InvokeMetaMethod, _id=41, a=0x7ffdf210fe80) at qml/qqmlvmemetaobject.cpp:976
#31 0x00007f6de2337bf9 in QQmlObjectOrGadget::metacall (this=this@entry=0x7ffdf21101a0, type=type@entry=QMetaObject::InvokeMetaMethod, index=index@entry=41, argv=argv@entry=0x7ffdf210fe80) at qml/qqmlpropertycache.cpp:1732
#32 0x00007f6de22b5054 in CallMethod (object=..., index=41, returnType=43, argCount=argCount@entry=0, argTypes=argTypes@entry=0x0, engine=engine@entry=0x1e1c620, callArgs=0x7f6dc6093668, callType=QMetaObject::InvokeMetaMethod) at jsruntime/qv4qobjectwrapper.cpp:1176
#33 0x00007f6de22b5cbe in CallPrecise (object=..., data=..., engine=engine@entry=0x1e1c620, callArgs=callArgs@entry=0x7f6dc6093668, callType=callType@entry=QMetaObject::InvokeMetaMethod) at jsruntime/qv4qobjectwrapper.cpp:1424
#34 0x00007f6de22b6c87 in CallOverloaded (callType=QMetaObject::InvokeMetaMethod, propertyCache=<optimized out>, callArgs=0x7f6dc6093668, engine=0x1e1c620, data=..., object=...) at jsruntime/qv4qobjectwrapper.cpp:1494
#35 QV4::QObjectMethod::callInternal (this=<optimized out>, callData=0x7f6dc6093668, scope=...) at jsruntime/qv4qobjectwrapper.cpp:1968
#36 0x00007f6de22cf9de in QV4::Object::call (d=0x7f6dc6093668, scope=..., this=<optimized out>) at jsruntime/qv4object_p.h:445
#37 QV4::Runtime::method_callProperty (engine=0x1e1c620, nameIndex=<optimized out>, callData=0x7f6dc6093668) at jsruntime/qv4runtime.cpp:1104
#38 0x00007f6de589b1fa in ?? ()
#39 0x000000340000000a in ?? ()
#40 0x0000000003de1ee0 in ?? ()
#41 0x0000ffff00000000 in ?? ()
#42 0xffff0000ffffffff in ?? ()
#43 0x0000000000000000 in ?? ()

Possible duplicates by query: bug 390291, bug 389168, bug 385040.

Reported using DrKonqi