Bug 363244

Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-22-generic x86_64
Distribution: Ubuntu 16.04 LTS

-- Information about the crash:
- What I was doing when the application crashed: Clicked KDE icon on panel, app launcher started, I was looking icon to open Firefox and before I got into internet submenu and the result was unexpected crash.

-- 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 0x7f991d340900 (LWP 1585))]

Thread 14 (Thread 0x7f9906aae700 (LWP 1587)):
#0  0x00007f9917a4be8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f991bb10c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f991bb128d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f990922e629 in QXcbEventReader::run (this=0x213bfd0) at qxcbconnection.cpp:1253
#4  0x00007f991814184e in QThreadPrivate::start (arg=0x213bfd0) at thread/qthread_unix.cpp:331
#5  0x00007f991722e6fa in start_thread (arg=0x7f9906aae700) at pthread_create.c:333
#6  0x00007f9917a57b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f98ffdfa700 (LWP 1592)):
#0  0x00007f9914825a49 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f99147e08b9 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f99147e124b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f99147e142c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9918378a9b in QEventDispatcherGlib::processEvents (this=0x7f98f80008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f991831fdea in QEventLoop::exec (this=this@entry=0x7f98ffdf9ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f991813c8a4 in QThread::exec (this=this@entry=0x222b500) at thread/qthread.cpp:503
#7  0x00007f991a9e43c5 in QQmlThreadPrivate::run (this=0x222b500) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f991814184e in QThreadPrivate::start (arg=0x222b500) at thread/qthread_unix.cpp:331
#9  0x00007f991722e6fa in start_thread (arg=0x7f98ffdfa700) at pthread_create.c:333
#10 0x00007f9917a57b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f98f4d26700 (LWP 1617)):
#0  0x00007f9917a479cd in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f99105e6f45 in ?? () from /usr/lib/nvidia-340/tls/libnvidia-tls.so.340.96
#2  0x00007f99148246c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f99147e0e04 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f99147e12c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f99147e142c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f9918378a9b in QEventDispatcherGlib::processEvents (this=0x7f98f00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x00007f991831fdea in QEventLoop::exec (this=this@entry=0x7f98f4d25ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f991813c8a4 in QThread::exec (this=this@entry=0x2546550) at thread/qthread.cpp:503
#9  0x00007f991a9e43c5 in QQmlThreadPrivate::run (this=0x2546550) at qml/ftw/qqmlthread.cpp:141
#10 0x00007f991814184e in QThreadPrivate::start (arg=0x2546550) at thread/qthread_unix.cpp:331
#11 0x00007f991722e6fa in start_thread (arg=0x7f98f4d26700) at pthread_create.c:333
#12 0x00007f9917a57b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f98eee8c700 (LWP 1618)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f991cd89bd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f991cd89c19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f991722e6fa in start_thread (arg=0x7f98eee8c700) at pthread_create.c:333
#4  0x00007f9917a57b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f986dfc9700 (LWP 1619)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:69
#1  0x00007f9917a4be82 in poll () at ../sysdeps/unix/syscall-template.S:84
#2  0x00007f99147e131c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f99147e142c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9918378a9b in QEventDispatcherGlib::processEvents (this=0x7f98680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f991831fdea in QEventLoop::exec (this=this@entry=0x7f986dfc8ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f991813c8a4 in QThread::exec (this=this@entry=0x2751670) at thread/qthread.cpp:503
#7  0x00007f991a9e43c5 in QQmlThreadPrivate::run (this=0x2751670) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f991814184e in QThreadPrivate::start (arg=0x2751670) at thread/qthread_unix.cpp:331
#9  0x00007f991722e6fa in start_thread (arg=0x7f986dfc9700) at pthread_create.c:333
#10 0x00007f9917a57b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f9865b7f700 (LWP 1631)):
#0  0x00007f99147e08a0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f99147e124b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f99147e142c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9918378a9b in QEventDispatcherGlib::processEvents (this=0x7f98600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f991831fdea in QEventLoop::exec (this=this@entry=0x7f9865b7ec50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f991813c8a4 in QThread::exec (this=this@entry=0x2a69990) at thread/qthread.cpp:503
#6  0x00007f991b36aed6 in QQuickPixmapReader::run (this=0x2a69990) at util/qquickpixmapcache.cpp:817
#7  0x00007f991814184e in QThreadPrivate::start (arg=0x2a69990) at thread/qthread_unix.cpp:331
#8  0x00007f991722e6fa in start_thread (arg=0x7f9865b7f700) at pthread_create.c:333
#9  0x00007f9917a57b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f9864b40700 (LWP 1633)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9918142aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x2873650) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x2ab1298, mutex=mutex@entry=0x2ab1290, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f991b3e092e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x2ab1288) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x2ab1210) at scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007f991b3e11b3 in QSGRenderThread::run (this=0x2ab1210) at scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007f991814184e in QThreadPrivate::start (arg=0x2ab1210) at thread/qthread_unix.cpp:331
#7  0x00007f991722e6fa in start_thread (arg=0x7f9864b40700) at pthread_create.c:333
#8  0x00007f9917a57b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f9852b42700 (LWP 1647)):
#0  0x00007f99147e0787 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f99147e124b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f99147e142c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9918378a9b in QEventDispatcherGlib::processEvents (this=0x7f984c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f991831fdea in QEventLoop::exec (this=this@entry=0x7f9852b41c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f991813c8a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f98550227d7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f991814184e in QThreadPrivate::start (arg=0x3582310) at thread/qthread_unix.cpp:331
#8  0x00007f991722e6fa in start_thread (arg=0x7f9852b42700) at pthread_create.c:333
#9  0x00007f9917a57b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f9851e82700 (LWP 1653)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9918142aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x253ae00) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x253ade8, mutex=mutex@entry=0x253ade0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f991b3e092e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x253add8) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x253ad60) at scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007f991b3e11b3 in QSGRenderThread::run (this=0x253ad60) at scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007f991814184e in QThreadPrivate::start (arg=0x253ad60) at thread/qthread_unix.cpp:331
#7  0x00007f991722e6fa in start_thread (arg=0x7f9851e82700) at pthread_create.c:333
#8  0x00007f9917a57b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f98460c0700 (LWP 4784)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9918142aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x41fde40) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x402cbb8, mutex=mutex@entry=0x402cbb0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f991b3e092e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x402cba8) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x402cb30) at scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007f991b3e11b3 in QSGRenderThread::run (this=0x402cb30) at scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007f991814184e in QThreadPrivate::start (arg=0x402cb30) at thread/qthread_unix.cpp:331
#7  0x00007f991722e6fa in start_thread (arg=0x7f98460c0700) at pthread_create.c:333
#8  0x00007f9917a57b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f9838ffd700 (LWP 4855)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9918142aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x452a2d0) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x2331a58, mutex=mutex@entry=0x2331a50, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f991b3e092e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x2331a48) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x23319d0) at scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007f991b3e11b3 in QSGRenderThread::run (this=0x23319d0) at scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007f991814184e in QThreadPrivate::start (arg=0x23319d0) at thread/qthread_unix.cpp:331
#7  0x00007f991722e6fa in start_thread (arg=0x7f9838ffd700) at pthread_create.c:333
#8  0x00007f9917a57b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f983b193700 (LWP 4859)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9918142aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x4214c00) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x42c9808, mutex=mutex@entry=0x42c9800, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f991b3e092e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x42c97f8) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x42c9780) at scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007f991b3e11b3 in QSGRenderThread::run (this=0x42c9780) at scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007f991814184e in QThreadPrivate::start (arg=0x42c9780) at thread/qthread_unix.cpp:331
#7  0x00007f991722e6fa in start_thread (arg=0x7f983b193700) at pthread_create.c:333
#8  0x00007f9917a57b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f9839bfe700 (LWP 4864)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f9918142aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x2c6a170) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=this@entry=0x43a6d28, mutex=mutex@entry=0x43a6d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f991b3e092e in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x43a6d18) at scenegraph/qsgthreadedrenderloop.cpp:224
#4  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x43a6ca0) at scenegraph/qsgthreadedrenderloop.cpp:657
#5  0x00007f991b3e11b3 in QSGRenderThread::run (this=0x43a6ca0) at scenegraph/qsgthreadedrenderloop.cpp:686
#6  0x00007f991814184e in QThreadPrivate::start (arg=0x43a6ca0) at thread/qthread_unix.cpp:331
#7  0x00007f991722e6fa in start_thread (arg=0x7f9839bfe700) at pthread_create.c:333
#8  0x00007f9917a57b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f991d340900 (LWP 1585)):
[KCrash Handler]
#6  QMetaObject::methodOffset (this=this@entry=0x44c6720) at kernel/qmetaobject.cpp:384
#7  0x00007f991835180b in QMetaObject::activate (sender=sender@entry=0x43a5b60, signal_index=6, argv=argv@entry=0x0) at kernel/qobject.cpp:3760
#8  0x00007f991a7b4132 in VDMModelDelegateDataType::notify (this=<optimized out>, items=..., index=0, count=1, roles=...) at util/qqmladaptormodel.cpp:171
#9  0x00007f991aa25ada in QQmlAdaptorModel::notify (roles=..., count=1, index=0, items=..., this=0x404cb78) at ../../include/QtQml/5.5.1/QtQml/private/../../../../../src/qml/util/qqmladaptormodel_p.h:118
#10 QQmlDelegateModel::_q_itemsChanged (this=<optimized out>, index=0, count=1, roles=...) at types/qqmldelegatemodel.cpp:1144
#11 0x00007f991aa25c3a in QQmlDelegateModel::_q_dataChanged (this=<optimized out>, begin=..., end=..., roles=...) at types/qqmldelegatemodel.cpp:1546
#12 0x00007f991aa4d17c in QQmlDelegateModel::qt_static_metacall (_o=_o@entry=0x41100e0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=12, _a=_a@entry=0x7ffd09456f10) at .moc/moc_qqmldelegatemodel_p.cpp:203
#13 0x00007f991aa4d968 in QQmlDelegateModel::qt_metacall (this=0x41100e0, _c=QMetaObject::InvokeMetaMethod, _id=12, _a=0x7ffd09456f10) at .moc/moc_qqmldelegatemodel_p.cpp:344
#14 0x00007f9918351180 in QMetaObject::activate (sender=sender@entry=0x2726c30, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd09456f10) at kernel/qobject.cpp:3728
#15 0x00007f99183517d7 in QMetaObject::activate (sender=sender@entry=0x2726c30, m=m@entry=0x7f991856aec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd09456f10) at kernel/qobject.cpp:3578
#16 0x00007f99183cd0fc in QAbstractItemModel::dataChanged (this=this@entry=0x2726c30, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:548
#17 0x00007f986410bf6d in FunnelModel::setSourceModel (this=0x2726c30, model=<optimized out>) at /build/plasma-desktop-Bvo2Ad/plasma-desktop-5.5.5/applets/kicker/plugin/funnelmodel.cpp:87
#18 0x00007f98641258bf in ForwardingModel::qt_static_metacall (_o=_o@entry=0x2726c30, _c=_c@entry=QMetaObject::WriteProperty, _id=_id@entry=0, _a=_a@entry=0x7ffd09457240) at /build/plasma-desktop-Bvo2Ad/plasma-desktop-5.5.5/obj-x86_64-linux-gnu/applets/kicker/moc_forwardingmodel.cpp:145
#19 0x00007f986412703b in ForwardingModel::qt_metacall (this=0x2726c30, _c=QMetaObject::WriteProperty, _id=0, _a=0x7ffd09457240) at /build/plasma-desktop-Bvo2Ad/plasma-desktop-5.5.5/obj-x86_64-linux-gnu/applets/kicker/moc_forwardingmodel.cpp:189
#20 0x00007f991a948951 in QQmlVMEMetaObject::metaCall (this=0x41970e0, c=QMetaObject::WriteProperty, _id=<optimized out>, a=0x7ffd09457240) at qml/qqmlvmemetaobject.cpp:898
#21 0x00007f991a9605b0 in QQmlPropertyPrivate::write (object=object@entry=0x42cdb50, property=..., value=..., context=0x454caa0, flags=...) at qml/qqmlproperty.cpp:1313
#22 0x00007f991a92d29d in QV4::QObjectWrapper::setProperty (object=object@entry=0x42cdb50, ctx=0x7f986cfca298, property=0x7f98689a0818, value=...) at jsruntime/qv4qobjectwrapper.cpp:551
#23 0x00007f991a92d918 in QV4::QObjectWrapper::setQmlProperty (engine=0x275cdd0, qmlContext=0x454caa0, object=0x42cdb50, name=<optimized out>, revisionMode=QV4::QObjectWrapper::IgnoreRevision, value=...) at jsruntime/qv4qobjectwrapper.cpp:438
#24 0x00007f991a92da52 in QV4::QObjectWrapper::put (m=0x7f986cfca290, name=0x7f986cfca288, value=...) at jsruntime/qv4qobjectwrapper.cpp:704
#25 0x00007f991a93d012 in QV4::Object::put (v=..., name=<optimized out>, this=<optimized out>) at jsruntime/qv4object_p.h:283
#26 QV4::Runtime::setProperty (engine=0x275cdd0, object=..., nameIndex=<optimized out>, value=...) at jsruntime/qv4runtime.cpp:574
#27 0x00007f984555448f in ?? ()
#28 0x00007ffd09457540 in ?? ()
#29 0x00007ffd09457530 in ?? ()
#30 0x0003000000000000 in ?? ()
#31 0x0000000000000000 in ?? ()

Possible duplicates by query: bug 363241, bug 363145, bug 363117, bug 363095, bug 362798.

Reported using DrKonqi