Application: plasma-desktop (4.11.14)
KDE Platform Version: 4.14.3
Qt Version: 4.8.6
Operating System: FreeBSD 10.2-RELEASE-p4 amd64
Distribution (Platform): FreeBSD Ports

-- Information about the crash:
- What I was doing when the application crashed:
I was surfing througout the menu. I was searching the terminal link programme
- Unusual behavior I noticed:
Sometimes when I open the main menu and I pass over the first bottom icon with a mouse the icon itself follow the mouse's arrow

-- Backtrace:
Application: Shell del desktop di Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 809411000 (LWP 100535/kdeinit4))]

Thread 3 (Thread 809406400 (LWP 100467/kdeinit4)):
[KCrash Handler]
#6  0x00000008118dba14 in QDeclarativeStateOperation::setState () from /usr/local/lib/qt4/libQtDeclarative.so.4
#7  0x00000008118dbc0f in QDeclarativeStateOperation::setState () from /usr/local/lib/qt4/libQtDeclarative.so.4
#8  0x000000080219ed4c in QObject::~QObject () from /usr/local/lib/qt4/libQtCore.so.4
#9  0x00000008118bc291 in QDeclarativeApplication::eventFilter () from /usr/local/lib/qt4/libQtDeclarative.so.4
#10 0x000000080219eeff in QObjectPrivate::deleteChildren () from /usr/local/lib/qt4/libQtCore.so.4
#11 0x000000080219ecfd in QObject::~QObject () from /usr/local/lib/qt4/libQtCore.so.4
#12 0x000000082cf50007 in qt_plugin_instance () from /usr/local/lib/kde4/imports/org/kde/qtextracomponents/libqtextracomponentsplugin.so
#13 0x000000080219f83c in QObject::event () from /usr/local/lib/qt4/libQtCore.so.4
#14 0x00000008028114ed in QApplicationPrivate::notify_helper () from /usr/local/lib/qt4/libQtGui.so.4
#15 0x0000000802812c5a in QApplication::notify () from /usr/local/lib/qt4/libQtGui.so.4
#16 0x0000000800c74a07 in KApplication::notify () from /usr/local/lib/libkdeui.so.5
#17 0x000000080218c3a6 in QCoreApplication::notifyInternal () from /usr/local/lib/qt4/libQtCore.so.4
#18 0x000000080218cf85 in QCoreApplicationPrivate::sendPostedEvents () from /usr/local/lib/qt4/libQtCore.so.4
#19 0x00000008021b9768 in QEventDispatcherGlib::QEventDispatcherGlib () from /usr/local/lib/qt4/libQtCore.so.4
#20 0x00000008079d95c8 in g_main_context_dispatch () from /usr/local/lib/libglib-2.0.so.0
#21 0x00000008079d98fb in g_main_context_pending () from /usr/local/lib/libglib-2.0.so.0
#22 0x00000008079d9984 in g_main_context_iteration () from /usr/local/lib/libglib-2.0.so.0
#23 0x00000008021b8ef1 in QEventDispatcherGlib::processEvents () from /usr/local/lib/qt4/libQtCore.so.4
#24 0x00000008028b04cd in QX11Info::isCompositingManagerRunning () from /usr/local/lib/qt4/libQtGui.so.4
#25 0x00000008021899cf in QEventLoop::exec () from /usr/local/lib/qt4/libQtCore.so.4
#26 0x000000080218c95d in QCoreApplication::exec () from /usr/local/lib/qt4/libQtCore.so.4
#27 0x0000000816ef945f in kdemain () from /usr/local/lib/libkdeinit4_plasma-desktop.so
#28 0x000000000040a656 in ?? ()
#29 0x000000000040aeb1 in ?? ()
#30 0x0000000000407f3a in ?? ()
#31 0x0000000000407b05 in ?? ()
#32 0x0000000000404d3f in ?? ()
#33 0x0000000800630000 in ?? ()
#34 0x0000000000000000 in ?? ()

Thread 2 (Thread 80940a000 (LWP 100534/kdeinit4)):
#0  0x0000000804209e6a in _kevent () from /lib/libc.so.7
#1  0x0000000803ecc2c2 in pthread_suspend_all_np () from /lib/libthr.so.3
#2  0x000000080216e1c9 in QProcessEnvironment::systemEnvironment () from /usr/local/lib/qt4/libQtCore.so.4
#3  0x000000080208ba5c in QThreadStorageData::finish () from /usr/local/lib/qt4/libQtCore.so.4
#4  0x0000000803ec97c5 in pthread_create () from /lib/libthr.so.3
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 809411000 (LWP 100535/kdeinit4)):
#0  0x0000000803ed4e1c in pthread_cleanup_pop () from /lib/libthr.so.3
#1  0x0000000803ed32de in _pthread_cond_wait () from /lib/libthr.so.3
#2  0x00000008111d9682 in ?? () from /usr/local/lib/qt4/libQtScript.so.4
#3  0x00000008111d9619 in ?? () from /usr/local/lib/qt4/libQtScript.so.4
#4  0x0000000803ec97c5 in pthread_create () from /lib/libthr.so.3
#5  0x0000000000000000 in ?? ()

Reported using DrKonqi