Application: plasmashell (5.11.5)
 (Compiled from sources)
Qt Version: 5.9.4
Frameworks Version: 5.43.0
Operating System: Linux 4.15.7 x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
I cleared the "Recent Documents" list of my traditional KDE menu

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f91e3122600 (LWP 22226))]

Thread 8 (Thread 0x7f91a13ec700 (LWP 22301)):
#0  g_mutex_unlock (mutex=0x7f919c000990) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gthread-posix.c:1348
#1  0x00007f91d7246ba0 in g_main_context_prepare (context=context@entry=0x7f919c000990, priority=priority@entry=0x7f91a13ebc90) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:3534
#2  0x00007f91d7247653 in g_main_context_iterate (context=context@entry=0x7f919c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:3952
#3  0x00007f91d724788b in g_main_context_iteration (context=0x7f919c000990, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:4033
#4  0x00007f91dcedf55b in QEventDispatcherGlib::processEvents (this=0x7f919c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f91dce7f03a in QEventLoop::exec (this=this@entry=0x7f91a13ebdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f91dcca2343 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#7  0x00007f91a287f2c6 in KCupsConnection::run() () from /usr/lib64/libkcupslib.so
#8  0x00007f91dcca79f0 in QThreadPrivate::start (arg=0x55f745ce8100) at thread/qthread_unix.cpp:368
#9  0x00007f91dba9f9e3 in start_thread (arg=0x7f91a13ec700) at pthread_create.c:456
#10 0x00007f91dc50aabf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 7 (Thread 0x7f91ae8a4700 (LWP 22288)):
#0  0x00007f91dc4feacd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f91d7247726 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f91a80013c0, timeout=<optimized out>, context=0x7f91a8000990) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:4271
#2  g_main_context_iterate (context=context@entry=0x7f91a8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:3967
#3  0x00007f91d724788b in g_main_context_iteration (context=0x7f91a8000990, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:4033
#4  0x00007f91dcedf55b in QEventDispatcherGlib::processEvents (this=0x7f91a80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f91dce7f03a in QEventLoop::exec (this=this@entry=0x7f91ae8a3dc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f91dcca2343 in QThread::exec (this=this@entry=0x55f743a98a50) at thread/qthread.cpp:515
#7  0x00007f91e0a591e5 in QQuickPixmapReader::run (this=0x55f743a98a50) at util/qquickpixmapcache.cpp:868
#8  0x00007f91dcca79f0 in QThreadPrivate::start (arg=0x55f743a98a50) at thread/qthread_unix.cpp:368
#9  0x00007f91dba9f9e3 in start_thread (arg=0x7f91ae8a4700) at pthread_create.c:456
#10 0x00007f91dc50aabf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 6 (Thread 0x7f91bd727700 (LWP 22272)):
#0  0x00007f91dbaa6d02 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f91e2ae5438 <QTWTF::pageheap_memory+57592>) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f91e2ae53e8 <QTWTF::pageheap_memory+57512>, cond=0x7f91e2ae5410 <QTWTF::pageheap_memory+57552>) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f91e2ae5410 <QTWTF::pageheap_memory+57552>, mutex=0x7f91e2ae53e8 <QTWTF::pageheap_memory+57512>) at pthread_cond_wait.c:655
#3  0x00007f91e27feed4 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f91e2ad7340 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x00007f91e27fef38 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x00007f91dba9f9e3 in start_thread (arg=0x7f91bd727700) at pthread_create.c:456
#6  0x00007f91dc50aabf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 5 (Thread 0x7f91bf78e700 (LWP 22267)):
#0  0x00007f91dc4feacd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f91d7247726 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f91b4003070, timeout=<optimized out>, context=0x7f91b4000990) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:4271
#2  g_main_context_iterate (context=context@entry=0x7f91b4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:3967
#3  0x00007f91d724788b in g_main_context_iteration (context=0x7f91b4000990, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:4033
#4  0x00007f91dcedf55b in QEventDispatcherGlib::processEvents (this=0x7f91b40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f91dce7f03a in QEventLoop::exec (this=this@entry=0x7f91bf78de00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f91dcca2343 in QThread::exec (this=this@entry=0x55f7435a84f0) at thread/qthread.cpp:515
#7  0x00007f91dfe90904 in QQmlThreadPrivate::run (this=0x55f7435a84f0) at qml/ftw/qqmlthread.cpp:147
#8  0x00007f91dcca79f0 in QThreadPrivate::start (arg=0x55f7435a84f0) at thread/qthread_unix.cpp:368
#9  0x00007f91dba9f9e3 in start_thread (arg=0x7f91bf78e700) at pthread_create.c:456
#10 0x00007f91dc50aabf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 4 (Thread 0x7f91c5cb4700 (LWP 22261)):
#0  0x00007f91dc4fa2ed in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f91d729b1c0 in read (__nbytes=16, __buf=0x7f91c5cb3bc0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7f91c00025a0) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gwakeup.c:210
#3  0x00007f91d72471de in g_main_context_check (context=context@entry=0x7f91b8000990, max_priority=2147483647, fds=fds@entry=0x7f91b8002e70, n_fds=n_fds@entry=1) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:3750
#4  0x00007f91d72476cc in g_main_context_iterate (context=context@entry=0x7f91b8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:3969
#5  0x00007f91d724788b in g_main_context_iteration (context=0x7f91b8000990, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:4033
#6  0x00007f91dcedf55b in QEventDispatcherGlib::processEvents (this=0x7f91b80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f91dce7f03a in QEventLoop::exec (this=this@entry=0x7f91c5cb3e00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#8  0x00007f91dcca2343 in QThread::exec (this=this@entry=0x55f7434d9120) at thread/qthread.cpp:515
#9  0x00007f91dfe90904 in QQmlThreadPrivate::run (this=0x55f7434d9120) at qml/ftw/qqmlthread.cpp:147
#10 0x00007f91dcca79f0 in QThreadPrivate::start (arg=0x55f7434d9120) at thread/qthread_unix.cpp:368
#11 0x00007f91dba9f9e3 in start_thread (arg=0x7f91c5cb4700) at pthread_create.c:456
#12 0x00007f91dc50aabf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 3 (Thread 0x7f91c76fb700 (LWP 22246)):
#0  0x00007f91dc4feacd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f91d7247726 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f91c0003020, timeout=<optimized out>, context=0x7f91c0000990) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:4271
#2  g_main_context_iterate (context=context@entry=0x7f91c0000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:3967
#3  0x00007f91d724788b in g_main_context_iteration (context=0x7f91c0000990, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:4033
#4  0x00007f91dcedf55b in QEventDispatcherGlib::processEvents (this=0x7f91c00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f91dce7f03a in QEventLoop::exec (this=this@entry=0x7f91c76fadf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f91dcca2343 in QThread::exec (this=this@entry=0x7f91ddca1060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:515
#7  0x00007f91dda200d3 in QDBusConnectionManager::run (this=0x7f91ddca1060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#8  0x00007f91dcca79f0 in QThreadPrivate::start (arg=0x7f91ddca1060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368
#9  0x00007f91dba9f9e3 in start_thread (arg=0x7f91c76fb700) at pthread_create.c:456
#10 0x00007f91dc50aabf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7f91cd9b5700 (LWP 22240)):
#0  0x00007f91dc4feacd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f91e16f59d7 in poll (__timeout=-1, __nfds=1, __fds=0x7f91cd9b4d28) at /usr/include/bits/poll2.h:46
#2  _xcb_conn_wait (c=c@entry=0x55f743406400, cond=cond@entry=0x55f743406440, vector=vector@entry=0x0, count=count@entry=0x0) at /var/tmp/portage/x11-libs/libxcb-1.12-r2/work/libxcb-1.12/src/xcb_conn.c:479
#3  0x00007f91e16f7f39 in xcb_wait_for_event (c=0x55f743406400) at /var/tmp/portage/x11-libs/libxcb-1.12-r2/work/libxcb-1.12/src/xcb_in.c:693
#4  0x00007f91cf91c5f9 in QXcbEventReader::run (this=0x55f7434115b0) at qxcbconnection.cpp:1330
#5  0x00007f91dcca79f0 in QThreadPrivate::start (arg=0x55f7434115b0) at thread/qthread_unix.cpp:368
#6  0x00007f91dba9f9e3 in start_thread (arg=0x7f91cd9b5700) at pthread_create.c:456
#7  0x00007f91dc50aabf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7f91e3122600 (LWP 22226)):
[KCrash Handler]
#6  QV8Engine::getV4 (q=0x0) at ../../include/QtQml/5.9.4/QtQml/private/../../../../../src/qml/qml/v8/qv8engine_p.h:164
#7  QQmlContextData::propertyNames (this=this@entry=0x55f746027610) at qml/qqmlcontext.cpp:833
#8  0x00007f91dfd67745 in QV4::QmlContextWrapper::get (m=<optimized out>, name=0x7f91be38f6a8, hasProperty=0x7ffd4841a180) at jsruntime/qv4qmlcontext.cpp:157
#9  0x00007f91dfd2755f in QV4::Object::get (hasProperty=0x7ffd4841a180, name=0x7f91be38f6a8, this=<optimized out>) at jsruntime/qv4object_p.h:344
#10 QV4::ExecutionContext::getProperty (this=<optimized out>, name=0x7f91be38f6a8) at jsruntime/qv4context.cpp:496
#11 0x00007f91dfdba970 in QV4::Runtime::method_getActivationProperty (engine=engine@entry=0x55f7435a8ab0, nameIndex=<optimized out>) at jsruntime/qv4runtime.cpp:776
#12 0x00007f91dfdb824f in QV4::Moth::VME::run (this=this@entry=0x7ffd4841a2ef, engine=engine@entry=0x55f7435a8ab0, code=<optimized out>, code@entry=0x7f91bc0098a0 "\035") at jsruntime/qv4vme_moth.cpp:460
#13 0x00007f91dfdb8748 in QV4::Moth::VME::exec (engine=0x55f7435a8ab0, code=0x7f91bc0098a0 "\035") at jsruntime/qv4vme_moth.cpp:962
#14 0x00007f91dfd28bdd in QV4::ExecutionContext::call (this=<optimized out>, scope=..., callData=<optimized out>, function=0x55f7460ac8f0, f=<optimized out>) at jsruntime/qv4context.cpp:318
#15 0x00007f91dfd4e551 in QV4::ScriptFunction::call (that=<optimized out>, scope=..., callData=<optimized out>) at jsruntime/qv4functionobject.cpp:417
#16 0x00007f91dfdc1933 in QV4::Object::call (d=0x7f91be38f5a0, scope=..., this=<optimized out>) at jsruntime/qv4object_p.h:372
#17 QV4::Runtime::method_callProperty (engine=engine@entry=0x55f7435a8ab0, nameIndex=<optimized out>, callData=0x7f91be38f5a0) at jsruntime/qv4runtime.cpp:1104
#18 0x00007f91dfdb6def in QV4::Moth::VME::run (this=this@entry=0x7ffd4841a54f, engine=engine@entry=0x55f7435a8ab0, code=<optimized out>, code@entry=0x7f91bc00f230 "\035") at jsruntime/qv4vme_moth.cpp:586
#19 0x00007f91dfdb8748 in QV4::Moth::VME::exec (engine=0x55f7435a8ab0, code=0x7f91bc00f230 "\035") at jsruntime/qv4vme_moth.cpp:962
#20 0x00007f91dfd28935 in QV4::ExecutionContext::simpleCall (this=<optimized out>, scope=..., callData=callData@entry=0x7f91be38f500, function=0x55f7460a7c00) at jsruntime/qv4context.cpp:347
#21 0x00007f91dfe6d131 in QQmlJavaScriptExpression::evaluate (this=this@entry=0x55f746045fc0, callData=callData@entry=0x7f91be38f500, isUndefined=isUndefined@entry=0x0, scope=...) at qml/qqmljavascriptexpression.cpp:223
#22 0x00007f91dfdf797b in QQmlBoundSignalExpression::evaluate (this=this@entry=0x55f746045fc0, a=a@entry=0x7ffd4841c4c0) at qml/qqmlboundsignal.cpp:223
#23 0x00007f91dfdf8f5b in QQmlBoundSignal_callback (e=0x55f746045f70, a=0x7ffd4841c4c0) at qml/qqmlboundsignal.cpp:355
#24 0x00007f91dfe45cb4 in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=a@entry=0x7ffd4841c4c0) at qml/qqmlnotifier.cpp:106
#25 0x00007f91dfdd4419 in QQmlData::signalEmitted (object=0x55f7460924c0, index=34, a=0x7ffd4841c4c0) at qml/qqmlengine.cpp:846
#26 0x00007f91dceb179f in QMetaObject::activate (sender=0x55f7460924c0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=argv@entry=0x7ffd4841c4c0) at kernel/qobject.cpp:3644
#27 0x00007f91dfdccebc in QQmlVMEMetaObject::activate (this=this@entry=0x55f74602b240, object=<optimized out>, index=index@entry=51, args=args@entry=0x7ffd4841c4c0) at qml/qqmlvmemetaobject.cpp:1241
#28 0x00007f91dfdcf4e0 in QQmlVMEMetaObject::metaCall (this=0x55f74602b240, o=<optimized out>, c=QMetaObject::InvokeMetaMethod, _id=51, a=0x7ffd4841c4c0) at qml/qqmlvmemetaobject.cpp:919
#29 0x00007f91dfe3b4b9 in QQmlObjectOrGadget::metacall (this=this@entry=0x7ffd4841c820, type=type@entry=QMetaObject::InvokeMetaMethod, index=<optimized out>, index@entry=51, argv=<optimized out>) at qml/qqmlpropertycache.cpp:1713
#30 0x00007f91dfda5c6e in CallMethod (object=..., index=<optimized out>, returnType=returnType@entry=43, argCount=<optimized out>, argTypes=<optimized out>, engine=engine@entry=0x55f7435a8ab0, callArgs=<optimized out>, callType=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:1086
#31 0x00007f91dfda6e7d in CallPrecise (object=..., data=..., engine=engine@entry=0x55f7435a8ab0, callArgs=callArgs@entry=0x7f91be38f498, callType=callType@entry=QMetaObject::InvokeMetaMethod) at jsruntime/qv4qobjectwrapper.cpp:1348
#32 0x00007f91dfda7f6f in QV4::QObjectMethod::callInternal (this=<optimized out>, callData=0x7f91be38f498, scope=...) at jsruntime/qv4qobjectwrapper.cpp:1842
#33 0x00007f91dfdbe35c in QV4::Object::call (d=0x7f91be38f498, scope=..., this=<optimized out>) at jsruntime/qv4object_p.h:372
#34 QV4::Runtime::method_callActivationProperty (engine=engine@entry=0x55f7435a8ab0, nameIndex=<optimized out>, callData=0x7f91be38f498) at jsruntime/qv4runtime.cpp:1052
#35 0x00007f91dfdb6f95 in QV4::Moth::VME::run (this=this@entry=0x7ffd4841caaf, engine=engine@entry=0x55f7435a8ab0, code=<optimized out>, code@entry=0x7f91bc00f8d0 "\035") at jsruntime/qv4vme_moth.cpp:633
#36 0x00007f91dfdb8748 in QV4::Moth::VME::exec (engine=0x55f7435a8ab0, code=0x7f91bc00f8d0 "\035") at jsruntime/qv4vme_moth.cpp:962
#37 0x00007f91dfd28935 in QV4::ExecutionContext::simpleCall (this=<optimized out>, scope=..., callData=callData@entry=0x7f91be38f418, function=0x55f7460a81d0) at jsruntime/qv4context.cpp:347
#38 0x00007f91dfe6d131 in QQmlJavaScriptExpression::evaluate (this=this@entry=0x55f745055740, callData=callData@entry=0x7f91be38f418, isUndefined=isUndefined@entry=0x0, scope=...) at qml/qqmljavascriptexpression.cpp:223
#39 0x00007f91dfdf797b in QQmlBoundSignalExpression::evaluate (this=this@entry=0x55f745055740, a=a@entry=0x7ffd4841ea20) at qml/qqmlboundsignal.cpp:223
#40 0x00007f91dfdf8f5b in QQmlBoundSignal_callback (e=0x55f744bcd2d0, a=0x7ffd4841ea20) at qml/qqmlboundsignal.cpp:355
#41 0x00007f91dfe45cb4 in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=a@entry=0x7ffd4841ea20) at qml/qqmlnotifier.cpp:106
#42 0x00007f91dfdd4419 in QQmlData::signalEmitted (object=0x55f7450289f0, index=33, a=0x7ffd4841ea20) at qml/qqmlengine.cpp:846
#43 0x00007f91dceb179f in QMetaObject::activate (sender=0x55f7450289f0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=argv@entry=0x7ffd4841ea20) at kernel/qobject.cpp:3644
#44 0x00007f91dfdccebc in QQmlVMEMetaObject::activate (this=this@entry=0x55f745055890, object=<optimized out>, index=index@entry=50, args=args@entry=0x7ffd4841ea20) at qml/qqmlvmemetaobject.cpp:1241
#45 0x00007f91dfdcf4e0 in QQmlVMEMetaObject::metaCall (this=0x55f745055890, o=<optimized out>, c=QMetaObject::InvokeMetaMethod, _id=50, a=0x7ffd4841ea20) at qml/qqmlvmemetaobject.cpp:919
#46 0x00007f91dfe3b4b9 in QQmlObjectOrGadget::metacall (this=this@entry=0x7ffd4841ed80, type=type@entry=QMetaObject::InvokeMetaMethod, index=<optimized out>, index@entry=50, argv=<optimized out>) at qml/qqmlpropertycache.cpp:1713
#47 0x00007f91dfda5c6e in CallMethod (object=..., index=<optimized out>, returnType=returnType@entry=43, argCount=<optimized out>, argTypes=<optimized out>, engine=engine@entry=0x55f7435a8ab0, callArgs=<optimized out>, callType=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:1086
#48 0x00007f91dfda6e7d in CallPrecise (object=..., data=..., engine=engine@entry=0x55f7435a8ab0, callArgs=callArgs@entry=0x7f91be38f3b0, callType=callType@entry=QMetaObject::InvokeMetaMethod) at jsruntime/qv4qobjectwrapper.cpp:1348
#49 0x00007f91dfda7f6f in QV4::QObjectMethod::callInternal (this=<optimized out>, callData=0x7f91be38f3b0, scope=...) at jsruntime/qv4qobjectwrapper.cpp:1842
#50 0x00007f91dfdbe35c in QV4::Object::call (d=0x7f91be38f3b0, scope=..., this=<optimized out>) at jsruntime/qv4object_p.h:372
#51 QV4::Runtime::method_callActivationProperty (engine=engine@entry=0x55f7435a8ab0, nameIndex=<optimized out>, callData=0x7f91be38f3b0) at jsruntime/qv4runtime.cpp:1052
#52 0x00007f91dfdb6f95 in QV4::Moth::VME::run (this=this@entry=0x7ffd4841f00f, engine=engine@entry=0x55f7435a8ab0, code=<optimized out>, code@entry=0x7f91bc006250 "\035") at jsruntime/qv4vme_moth.cpp:633
#53 0x00007f91dfdb8748 in QV4::Moth::VME::exec (engine=0x55f7435a8ab0, code=0x7f91bc006250 "\035") at jsruntime/qv4vme_moth.cpp:962
#54 0x00007f91dfd28935 in QV4::ExecutionContext::simpleCall (this=<optimized out>, scope=..., callData=callData@entry=0x7f91be38f328, function=0x55f7460af360) at jsruntime/qv4context.cpp:347
#55 0x00007f91dfe6d131 in QQmlJavaScriptExpression::evaluate (this=this@entry=0x55f7467dc490, callData=callData@entry=0x7f91be38f328, isUndefined=isUndefined@entry=0x0, scope=...) at qml/qqmljavascriptexpression.cpp:223
#56 0x00007f91dfdf797b in QQmlBoundSignalExpression::evaluate (this=this@entry=0x55f7467dc490, a=a@entry=0x0) at qml/qqmlboundsignal.cpp:223
#57 0x00007f91dfdf8f5b in QQmlBoundSignal_callback (e=0x55f7467dc440, a=0x0) at qml/qqmlboundsignal.cpp:355
#58 0x00007f91dfe45cb4 in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=a@entry=0x0) at qml/qqmlnotifier.cpp:106
#59 0x00007f91dfdd4419 in QQmlData::signalEmitted (object=0x55f746444ae0, index=29, a=0x0) at qml/qqmlengine.cpp:846
#60 0x00007f91dceb179f in QMetaObject::activate (sender=0x55f746444ae0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3644
#61 0x00007f91dceb1451 in QtPrivate::QSlotObjectBase::call (a=0x7ffd48420e90, r=0x55f746444ae0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#62 QMetaObject::activate (sender=sender@entry=0x55f746444bb0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffd48420e90) at kernel/qobject.cpp:3749
#63 0x00007f91dceb1a3e in QMetaObject::activate (sender=sender@entry=0x55f746444bb0, m=m@entry=0x7f91de55e940 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffd48420e90) at kernel/qobject.cpp:3628
#64 0x00007f91dddefab1 in QAction::triggered (this=this@entry=0x55f746444bb0, _t1=<optimized out>) at .moc/moc_qaction.cpp:370
#65 0x00007f91dddf2dd0 in QAction::activate (this=this@entry=0x55f746444bb0, event=event@entry=QAction::Trigger) at kernel/qaction.cpp:1165
#66 0x00007f91ddfaadaa in QMenuPrivate::activateCausedStack (this=this@entry=0x55f743a1a000, causedStack=..., action=action@entry=0x55f746444bb0, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1323
#67 0x00007f91ddfb30a4 in QMenuPrivate::activateAction (this=this@entry=0x55f743a1a000, action=action@entry=0x55f746444bb0, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1400
#68 0x00007f91ddfb4192 in QMenu::mouseReleaseEvent (this=<optimized out>, e=0x7ffd484214f0) at widgets/qmenu.cpp:2888
#69 0x00007f91dde42400 in QWidget::event (this=this@entry=0x55f745f54720, event=event@entry=0x7ffd484214f0) at kernel/qwidget.cpp:9279
#70 0x00007f91ddfb6623 in QMenu::event (this=0x55f745f54720, e=0x7ffd484214f0) at widgets/qmenu.cpp:3010
#71 0x00007f91dddf80ec in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55f745f54720, e=0x7ffd484214f0) at kernel/qapplication.cpp:3722
#72 0x00007f91dde010fc in QApplication::notify (this=<optimized out>, receiver=0x55f745f54720, e=0x7ffd484214f0) at kernel/qapplication.cpp:3198
#73 0x00007f91dce80b7a in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x55f745f54720, event=event@entry=0x7ffd484214f0) at kernel/qcoreapplication.cpp:1016
#74 0x00007f91dddff7dd in QCoreApplication::sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#75 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x55f745f54720, event=event@entry=0x7ffd484214f0, alienWidget=0x0, alienWidget@entry=0x55f745f54720, nativeWidget=0x55f745f54720, buttonDown=buttonDown@entry=0x7f91de58d3b0 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:2704
#76 0x00007f91dde61ea6 in QWidgetWindow::handleMouseEvent (this=this@entry=0x55f746520f30, event=event@entry=0x7ffd48421900) at kernel/qwidgetwindow.cpp:523
#77 0x00007f91dde644a3 in QWidgetWindow::event (this=0x55f746520f30, event=0x7ffd48421900) at kernel/qwidgetwindow.cpp:250
#78 0x00007f91dddf80ec in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55f746520f30, e=0x7ffd48421900) at kernel/qapplication.cpp:3722
#79 0x00007f91dde0029a in QApplication::notify (this=0x7ffd48421de0, receiver=0x55f746520f30, e=0x7ffd48421900) at kernel/qapplication.cpp:3481
#80 0x00007f91dce80b7a in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x55f746520f30, event=event@entry=0x7ffd48421900) at kernel/qcoreapplication.cpp:1016
#81 0x00007f91dd3f392b in QCoreApplication::sendSpontaneousEvent (event=0x7ffd48421900, receiver=0x55f746520f30) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#82 QGuiApplicationPrivate::processMouseEvent (e=0x55f7461b6040) at kernel/qguiapplication.cpp:1952
#83 0x00007f91dd3f5655 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x55f7461b6040) at kernel/qguiapplication.cpp:1733
#84 0x00007f91dd3c95fb in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:946
#85 0x00007f91cf987e1f in userEventSourceDispatch (source=<optimized out>) at qeventdispatcher_glib.cpp:77
#86 0x00007f91d7247527 in g_main_dispatch (context=0x7f91c80016f0) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:3234
#87 g_main_context_dispatch (context=context@entry=0x7f91c80016f0) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:3899
#88 0x00007f91d7247788 in g_main_context_iterate (context=context@entry=0x7f91c80016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:3972
#89 0x00007f91d724788b in g_main_context_iteration (context=0x7f91c80016f0, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.52.3/work/glib-2.52.3/glib/gmain.c:4033
#90 0x00007f91dcedf53e in QEventDispatcherGlib::processEvents (this=0x55f743448830, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#91 0x00007f91dce7f03a in QEventLoop::exec (this=this@entry=0x7ffd48421ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#92 0x00007f91dce889b3 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1289
#93 0x000055f74151deba in ?? ()
#94 0x00007f91dc42a5bd in __libc_start_main (main=0x55f74151d4a0, argc=1, argv=0x7ffd48421f88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd48421f78) at ../csu/libc-start.c:295
#95 0x000055f74151e25a in _start ()

Reported using DrKonqi