Application: plasmashell (5.6.5)

Qt Version: 5.5.1
Frameworks Version: 5.23.0
Operating System: Linux 4.4.0-47-generic x86_64
Distribution: Ubuntu 16.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:

I clicked the system tray Network icon to turn on the wireless card and then clicked 2...5 times the arrow to reveal the hidden icons - the arrow pointed downwards while there was no icon list displayed.

Kubuntu 16.04.1
KDE Plasma 5.6.5
KDE Frameworks 5.23.0
Qt 5.5.1
Kernel 4.4.0-47-generic
64-bit OS

-- 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 0x7f150c9828c0 (LWP 1712))]

Thread 7 (Thread 0x7f145655c700 (LWP 1823)):
#0  0x00007f1503e32ae4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1503ded920 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1503dee2cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1503dee4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f150798a7eb in QEventDispatcherGlib::processEvents (this=0x7f14500008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f1507931b4a in QEventLoop::exec (this=this@entry=0x7f145655bc90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f150774e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f150a98aed6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f15077537be in QThreadPrivate::start (arg=0x1230060) at thread/qthread_unix.cpp:331
#9  0x00007f150684070a in start_thread (arg=0x7f145655c700) at pthread_create.c:333
#10 0x00007f150706982d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f14de40e700 (LWP 1752)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f150c3d3bd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f150c3d3c19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f150684070a in start_thread (arg=0x7f14de40e700) at pthread_create.c:333
#4  0x00007f150706982d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f14dfc52700 (LWP 1750)):
#0  0x00007f150705db5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1503dee39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1503dee4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f150798a7eb in QEventDispatcherGlib::processEvents (this=0x7f14d80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f1507931b4a in QEventLoop::exec (this=this@entry=0x7f14dfc51ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f150774e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1509fff3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f15077537be in QThreadPrivate::start (arg=0xebaa20) at thread/qthread_unix.cpp:331
#8  0x00007f150684070a in start_thread (arg=0x7f14dfc52700) at pthread_create.c:333
#9  0x00007f150706982d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f14e575f700 (LWP 1749)):
#0  0x00007f150705db5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1503dee39c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1503dee4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f150798a7eb in QEventDispatcherGlib::processEvents (this=0x7f14e00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f1507931b4a in QEventLoop::exec (this=this@entry=0x7f14e575ece0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f150774e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1509fff3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f15077537be in QThreadPrivate::start (arg=0xce7d90) at thread/qthread_unix.cpp:331
#8  0x00007f150684070a in start_thread (arg=0x7f14e575f700) at pthread_create.c:333
#9  0x00007f150706982d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f14f52c8700 (LWP 1744)):
#0  0x00007f150705969d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1503e31740 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1503dede84 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1503dee340 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1503dee4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f150798a7eb in QEventDispatcherGlib::processEvents (this=0x7f14e80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f1507931b4a in QEventLoop::exec (this=this@entry=0x7f14f52c7ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f150774e834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f1509fff3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f15077537be in QThreadPrivate::start (arg=0x9fd0f0) at thread/qthread_unix.cpp:331
#10 0x00007f150684070a in start_thread (arg=0x7f14f52c8700) at pthread_create.c:333
#11 0x00007f150706982d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f14f7ae1700 (LWP 1726)):
#0  0x00007f150705db5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f150b138c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f150b13a8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f14f9c2f629 in QXcbEventReader::run (this=0x91c7c0) at qxcbconnection.cpp:1253
#4  0x00007f15077537be in QThreadPrivate::start (arg=0x91c7c0) at thread/qthread_unix.cpp:331
#5  0x00007f150684070a in start_thread (arg=0x7f14f7ae1700) at pthread_create.c:333
#6  0x00007f150706982d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f150c9828c0 (LWP 1712)):
[KCrash Handler]
#6  0x00007f1509f84bf4 in QQmlContext::isValid() const () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1509f759e5 in QQmlExpression::QQmlExpression(QQmlScriptString const&, QQmlContext*, QObject*, QObject*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f150a96791c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f150a03572d in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f150a036fcc in QSequentialAnimationGroupJob::activateCurrentAnimation(bool) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f150a0370bc in QSequentialAnimationGroupJob::uncontrolledAnimationFinished(QAbstractAnimationJob*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f150a034cbf in QAbstractAnimationJob::finished() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f150a035828 in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f150a9ab149 in QQuickAnimatorProxyJob::setWindow(QQuickWindow*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f1507962d2a in QMetaObject::activate (sender=0x3f82e70, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3713
#16 0x00007f150aa0f4f2 in QQuickItem::windowChanged(QQuickWindow*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f150aa1cd9b in QQuickItemPrivate::derefWindow() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f150aa1e09c in QQuickItem::setParentItem(QQuickItem*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007f150aa1e556 in QQuickItem::~QQuickItem() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f150aa38f36 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f1507963c20 in QObject::event (this=0x3f82e70, e=<optimized out>) at kernel/qobject.cpp:1230
#22 0x00007f150aa1c70b in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007f150822705c in QApplicationPrivate::notify_helper (this=this@entry=0x9055d0, receiver=receiver@entry=0x3f82e70, e=e@entry=0x5eec440) at kernel/qapplication.cpp:3716
#24 0x00007f150822c516 in QApplication::notify (this=0x7ffe4fac8a20, receiver=0x3f82e70, e=0x5eec440) at kernel/qapplication.cpp:3499
#25 0x00007f150793438b in QCoreApplication::notifyInternal (this=0x7ffe4fac8a20, receiver=0x3f82e70, event=event@entry=0x5eec440) at kernel/qcoreapplication.cpp:965
#26 0x00007f1507936786 in QCoreApplication::sendEvent (event=0x5eec440, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#27 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x8fb600) at kernel/qcoreapplication.cpp:1593
#28 0x00007f1507936c68 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#29 0x00007f150798a3c3 in postEventSourceDispatch (s=0x953990) at kernel/qeventdispatcher_glib.cpp:271
#30 0x00007f1503dee1a7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f1503dee400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f1503dee4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f150798a7cf in QEventDispatcherGlib::processEvents (this=0x941f40, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#34 0x00007f1507931b4a in QEventLoop::exec (this=this@entry=0x7ffe4fac88d0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#35 0x00007f1507939bec in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#36 0x000000000041bfe0 in ?? ()
#37 0x00007f1506f83830 in __libc_start_main (main=0x41b5c0, argc=2, argv=0x7ffe4fac8ba8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe4fac8b98) at ../csu/libc-start.c:291
#38 0x000000000041c149 in _start ()

Possible duplicates by query: bug 372431, bug 371016, bug 368876, bug 368223, bug 368185.

Reported using DrKonqi