Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.95 (KDE 4.2.95 (KDE 4.3 RC1))
Qt Version: 4.5.2
Operating System: Linux 2.6.30-gentoo-r2 x86_64

What I was doing when the application crashed:
When added mpd plasma applet into workspace, plasma environment crashed.

 -- Backtrace:
Application: Przestrzeń robocza Plazmy (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 8610)]

Thread 2 (Thread 0x7f27a5f15950 (LWP 8818)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f27cb4f1749 in QWaitCondition::wait (this=0x2c1a360, mutex=0x2c1a358, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f27c7c78cd4 in QHostInfoAgent::run (this=0x2c1a340) at kernel/qhostinfo.cpp:260
#3  0x00007f27cb4f09b4 in QThreadPrivate::start (arg=0x2c1a340) at thread/qthread_unix.cpp:188
#4  0x00007f27cb27e017 in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f27c8d5a48d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f27cba6c750 (LWP 8610)):
[KCrash Handler]
#5  QGraphicsLayoutItem::isLayout (this=0x0) at graphicsview/qgraphicslayoutitem.cpp:783
#6  0x00007f27adeec30a in qtgui_TransferGraphicsLayoutWidgets (lay=0x3973cb0, pw=0x7f2798458b78) at sip/QtGui/qgraphicswidget.sip:57
#7  0x00007f27adeec31c in qtgui_TransferGraphicsLayoutWidgets (lay=0x3450ce0, pw=0x7f2798458b78) at sip/QtGui/qgraphicswidget.sip:58
#8  0x00007f27adeec31c in qtgui_TransferGraphicsLayoutWidgets (lay=0x364d4a0, pw=0x7f2798458b78) at sip/QtGui/qgraphicswidget.sip:58
#9  0x00007f27adeec3c4 in meth_QGraphicsWidget_setLayout (sipSelf=0x7f2798458b78, sipArgs=<value optimized out>) at sip/QtGui/qgraphicswidget.sip:82
#10 0x00007f27aee0088e in PyEval_EvalFrameEx () from /usr/lib64/libpython2.5.so.1.0
#11 0x00007f27aee00af0 in PyEval_EvalFrameEx () from /usr/lib64/libpython2.5.so.1.0
#12 0x00007f27aee01d0d in PyEval_EvalCodeEx () from /usr/lib64/libpython2.5.so.1.0
#13 0x00007f27aed9c16e in ?? () from /usr/lib64/libpython2.5.so.1.0
#14 0x00007f27aed78b37 in PyObject_Call () from /usr/lib64/libpython2.5.so.1.0
#15 0x00007f27aed8079f in ?? () from /usr/lib64/libpython2.5.so.1.0
#16 0x00007f27aed78b37 in PyObject_Call () from /usr/lib64/libpython2.5.so.1.0
#17 0x00007f27aedfb041 in PyEval_CallObjectWithKeywords () from /usr/lib64/libpython2.5.so.1.0
#18 0x00007f27ae45db75 in ?? () from /usr/lib64/python2.5/site-packages/sip.so
#19 0x00007f27ae6ddedc in sipVH_QtCore_1 (sipGILState=PyGILState_LOCKED, sipMethod=0x0) at sipQtCorecmodule.cpp:3696
#20 0x00007f27ad70efd5 in sipPlasma_AppletScript::init (this=0x3316860) at sipplasmapart3.cpp:7602
#21 0x00007f27c3309ad3 in Plasma::Applet::init (this=0x3162300) at /var/tmp/portage/kde-base/kdelibs-4.2.95/work/kdelibs-4.2.95/plasma/applet.cpp:204
#22 0x00007f27c331c7c9 in Plasma::Containment::addApplet (this=0x288acf0, applet=0x3162300, pos=@0x7fffa6181420, delayInit=false)
    at /var/tmp/portage/kde-base/kdelibs-4.2.95/work/kdelibs-4.2.95/plasma/containment.cpp:811
#23 0x00007f27c331ca65 in Plasma::ContainmentPrivate::addApplet (this=0x288f510, name=@0x7fffa6181540, args=@0x7fffa6181530, appletGeometry=@0x7fffa61814f0, id=0, delayInit=true)
    at /var/tmp/portage/kde-base/kdelibs-4.2.95/work/kdelibs-4.2.95/plasma/containment.cpp:1843
#24 0x00007f27bff8b04f in Plasma::AppletBrowserWidget::addApplet (this=0x3524540)
    at /var/tmp/portage/kde-base/plasma-workspace-4.2.95/work/plasma-workspace-4.2.95/plasma/shells/common/appletbrowser.cpp:265
#25 0x00007f27bff8fcd8 in Plasma::AppletBrowserWidget::qt_metacall (this=0x3524540, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa6181670)
    at /var/tmp/portage/kde-base/plasma-workspace-4.2.95/work/plasma-workspace-4.2.95_build/plasma/shells/desktop/appletbrowser.moc:80
#26 0x00007f27cb5d7aed in QMetaObject::activate (sender=0x33f9c20, from_signal_index=<value optimized out>, to_signal_index=43, argv=0x1) at kernel/qobject.cpp:3101
#27 0x00007f27c9f48ed5 in KDialog::slotButtonClicked (this=0x33f9c20, button=8) at /var/tmp/portage/kde-base/kdelibs-4.2.95/work/kdelibs-4.2.95/kdeui/dialogs/kdialog.cpp:858
#28 0x00007f27c9f4b0ed in KDialog::qt_metacall (this=0x33f9c20, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa6181840)
    at /var/tmp/portage/kde-base/kdelibs-4.2.95/work/kdelibs-4.2.95_build/kdeui/kdialog.moc:184
#29 0x00007f27bff8f61d in Plasma::AppletBrowser::qt_metacall (this=0x0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x1)
    at /var/tmp/portage/kde-base/plasma-workspace-4.2.95/work/plasma-workspace-4.2.95_build/plasma/shells/desktop/appletbrowser.moc:136
#30 0x00007f27cb5d7aed in QMetaObject::activate (sender=0x3154948, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x1) at kernel/qobject.cpp:3101
#31 0x00007f27cb5dbd5e in QSignalMapper::mapped (this=0x0, _t1=8) at .moc/release-shared/moc_qsignalmapper.cpp:95
#32 0x00007f27cb5dbe00 in QSignalMapper::map (this=0x3154948, sender=0x313e6f0) at kernel/qsignalmapper.cpp:266
#33 0x00007f27cb5dd030 in QSignalMapper::qt_metacall (this=0x3154948, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffa61819d0) at .moc/release-shared/moc_qsignalmapper.cpp:81
#34 0x00007f27cb5d7aed in QMetaObject::activate (sender=0x313e6f0, from_signal_index=<value optimized out>, to_signal_index=30, argv=0x1) at kernel/qobject.cpp:3101
#35 0x00007f27c9a0bb87 in QAbstractButton::clicked (this=0x0, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:200
#36 0x00007f27c97a39ab in QAbstractButtonPrivate::emitClicked (this=0x3332920) at widgets/qabstractbutton.cpp:543
#37 0x00007f27c97a4862 in QAbstractButtonPrivate::click (this=0x3332920) at widgets/qabstractbutton.cpp:536
#38 0x00007f27c97a4a95 in QAbstractButton::mouseReleaseEvent (this=0x313e6f0, e=0x7fffa6182310) at widgets/qabstractbutton.cpp:1115
#39 0x00007f27c94de8d0 in QWidget::event (this=0x313e6f0, event=0x7fffa6182310) at kernel/qwidget.cpp:7549
#40 0x00007f27c9490f1d in QApplicationPrivate::notify_helper (this=0x1d52be0, receiver=0x313e6f0, e=0x7fffa6182310) at kernel/qapplication.cpp:4056
#41 0x00007f27c949a0d9 in QApplication::notify (this=<value optimized out>, receiver=0x313e6f0, e=0x7fffa6182310) at kernel/qapplication.cpp:3758
#42 0x00007f27c9fd54eb in KApplication::notify (this=0x1d49680, receiver=0x313e6f0, event=0x7fffa6182310)
    at /var/tmp/portage/kde-base/kdelibs-4.2.95/work/kdelibs-4.2.95/kdeui/kernel/kapplication.cpp:302
#43 0x00007f27cb5c58cc in QCoreApplication::notifyInternal (this=0x1d49680, receiver=0x313e6f0, event=0x7fffa6182310) at kernel/qcoreapplication.cpp:606
#44 0x00007f27c9499388 in QApplicationPrivate::sendMouseEvent (receiver=0x313e6f0, event=0x7fffa6182310, alienWidget=0x313e6f0, nativeWidget=0x33f9c20, buttonDown=<value optimized out>, 
    lastMouseReceiver=@0x7f27c9dadef0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#45 0x00007f27c94f443c in QETWidget::translateMouseEvent (this=0x33f9c20, event=<value optimized out>) at kernel/qapplication_x11.cpp:4409
#46 0x00007f27c94f2f65 in QApplication::x11ProcessEvent (this=0x1d49680, event=0x7fffa6183d00) at kernel/qapplication_x11.cpp:3550
#47 0x00007f27c9518054 in x11EventSourceDispatch (s=0x1d55fa0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#48 0x00007f27c83bb8d1 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#49 0x00007f27c83befa0 in ?? () from /usr/lib/libglib-2.0.so.0
#50 0x00007f27c83bf13c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#51 0x00007f27cb5eac4f in QEventDispatcherGlib::processEvents (this=0x1d48bc0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#52 0x00007f27c951790f in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#53 0x00007f27cb5c4272 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -1508360208}) at kernel/qeventloop.cpp:149
#54 0x00007f27cb5c440c in QEventLoop::exec (this=0x7fffa6184030, flags={i = -1508360128}) at kernel/qeventloop.cpp:197
#55 0x00007f27cb5c64cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#56 0x00007f27bff6d11b in kdemain (argc=1, argv=0x1cd16d0) at /var/tmp/portage/kde-base/plasma-workspace-4.2.95/work/plasma-workspace-4.2.95/plasma/shells/desktop/main.cpp:50
#57 0x00000000004072f0 in launch (argc=1, _name=0x1d18648 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x1d18668 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a1fb "0") at /var/tmp/portage/kde-base/kdelibs-4.2.95/work/kdelibs-4.2.95/kinit/kinit.cpp:672
#58 0x0000000000407ac8 in handle_launcher_request (sock=7, who=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.2.95/work/kdelibs-4.2.95/kinit/kinit.cpp:1164
#59 0x000000000040805e in handle_requests (waitForPid=0) at /var/tmp/portage/kde-base/kdelibs-4.2.95/work/kdelibs-4.2.95/kinit/kinit.cpp:1357
#60 0x00000000004086fb in main (argc=2, argv=0x7fffa6184ea8, envp=0x7fffa6184ec0) at /var/tmp/portage/kde-base/kdelibs-4.2.95/work/kdelibs-4.2.95/kinit/kinit.cpp:1784

Reported using DrKonqi