Version:            (using Devel)
Compiler:           KDE 4.2 beta 2 packages from Kubuntu ppa repositories
OS:                Linux
Installed from:    Compiled sources

Using KDE 4.2 beta 2 in Kubuntu 8.10 from the ppa repositories.

Just pressed alt + f2 for the krunner to come up but the KDE crash handler came up.
It is not something happening frequently.

Here is the debug output.

Application: Run Command Interface (krunner), signal SIGABRT
0x00007f2bcbc365f0 in __nanosleep_nocancel () from /lib/libc.so.6

Thread 1 (Thread 0x7f2bc4b86730 (LWP 7156)):
[KCrash Handler]
#5  0x00007f2bcbbc0fd5 in raise () from /lib/libc.so.6
#6  0x00007f2bcbbc2b43 in abort () from /lib/libc.so.6
#7  0x00007f2bcda766b5 in qt_message_output () from /usr/lib/libQtCore.so.4
#8  0x00007f2bcda767fd in qFatal () from /usr/lib/libQtCore.so.4
#9  0x00007f2bce152378 in KConfigGroup (this=0x7fffd8e13150, master=@0x1bf20f8, _group=<value optimized out>) at /build/buildd/kde4libs-4.1.85/kdecore/util/ksharedptr.h:115
#10 0x00007f2bd00697ab in Plasma::Theme::findInRectsCache () from /usr/lib/libplasma.so.3
#11 0x00007f2bd0063d4c in Plasma::Svg::hasElement () from /usr/lib/libplasma.so.3
#12 0x00007f2bd0036a04 in ?? () from /usr/lib/libplasma.so.3
#13 0x00007f2bd0037179 in Plasma::FrameSvg::resizeFrame () from /usr/lib/libplasma.so.3
#14 0x00007f2bd09c785d in ?? () from /usr/lib/libkdeinit4_krunner.so
#15 0x00007f2bd09d103f in ?? () from /usr/lib/libkdeinit4_krunner.so
#16 0x00007f2bce74f148 in QWidget::event () from /usr/lib/libQtGui.so.4
#17 0x00007f2bd09c78d0 in ?? () from /usr/lib/libkdeinit4_krunner.so
#18 0x00007f2bce6fcc3d in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#19 0x00007f2bce7049ba in QApplication::notify () from /usr/lib/libQtGui.so.4
#20 0x00007f2bcf4e4f0b in KApplication::notify (this=0x1a69f10, receiver=0x1b80c60, event=0x7fffd8e13d40) at /build/buildd/kde4libs-4.1.85/kdeui/kernel/kapplication.cpp:307
#21 0x00007f2bcdb66d61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#22 0x00007f2bce749f73 in QWidgetPrivate::sendPendingMoveAndResizeEvents () from /usr/lib/libQtGui.so.4
#23 0x00007f2bce751e43 in QWidgetPrivate::show_helper () from /usr/lib/libQtGui.so.4
#24 0x00007f2bce75249a in QWidget::setVisible () from /usr/lib/libQtGui.so.4
#25 0x00007f2bceb16d7c in QDialog::setVisible () from /usr/lib/libQtGui.so.4
#26 0x00007f2bd09d142e in ?? () from /usr/lib/libkdeinit4_krunner.so
#27 0x00007f2bd09c9eb2 in ?? () from /usr/lib/libkdeinit4_krunner.so
#28 0x00007f2bd09cab00 in ?? () from /usr/lib/libkdeinit4_krunner.so
#29 0x00007f2bcdb7b134 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#30 0x00007f2bce6f6f57 in QAction::triggered () from /usr/lib/libQtGui.so.4
#31 0x00007f2bce6f7720 in QAction::activate () from /usr/lib/libQtGui.so.4
#32 0x00007f2bcf529f69 in KGlobalAccelPrivate::_k_invokeAction (this=0x1e24a90, actionId=@0x1e838b0, timestamp=9862330) at /usr/include/qt4/QtGui/qaction.h:195
#33 0x00007f2bcf52e00e in KGlobalAccel::qt_metacall (this=0x1e24b40, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fffd8e142f0)
    at /build/buildd/kde4libs-4.1.85/obj-x86_64-linux-gnu/kdeui/kglobalaccel.moc:69
#34 0x00007f2bcdb7b134 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#35 0x00007f2bcf5308e4 in OrgKdeKdedGlobalAccelInterface::invokeAction (this=0x1bf4, _t1=<value optimized out>, _t2=9862330)
    at /build/buildd/kde4libs-4.1.85/obj-x86_64-linux-gnu/kdeui/kdedglobalaccel_interface.moc:139
#36 0x00007f2bcf531583 in OrgKdeKdedGlobalAccelInterface::qt_metacall (this=0x1e24ab8, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd8e14b30)
    at /build/buildd/kde4libs-4.1.85/obj-x86_64-linux-gnu/kdeui/kdedglobalaccel_interface.moc:101
#37 0x00007f2bcde74ea3 in ?? () from /usr/lib/libQtDBus.so.4
#38 0x00007f2bcde7beef in ?? () from /usr/lib/libQtDBus.so.4
#39 0x00007f2bcdb75da5 in QObject::event () from /usr/lib/libQtCore.so.4
#40 0x00007f2bce6fcc3d in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#41 0x00007f2bce7049ba in QApplication::notify () from /usr/lib/libQtGui.so.4
#42 0x00007f2bcf4e4f0b in KApplication::notify (this=0x1a69f10, receiver=0x1e24ab8, event=0x1e207c0) at /build/buildd/kde4libs-4.1.85/kdeui/kernel/kapplication.cpp:307
#43 0x00007f2bcdb66d61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#44 0x00007f2bcdb679fa in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#45 0x00007f2bcdb8f4d3 in ?? () from /usr/lib/libQtCore.so.4
#46 0x00007f2bc89fad3b in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#47 0x00007f2bc89fe50d in ?? () from /usr/lib/libglib-2.0.so.0
#48 0x00007f2bc89fe6cb in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#49 0x00007f2bcdb8f15f in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#50 0x00007f2bce78ea6f in ?? () from /usr/lib/libQtGui.so.4
#51 0x00007f2bcdb65682 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#52 0x00007f2bcdb6580d in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#53 0x00007f2bcdb67cbd in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#54 0x00007f2bd09cbc55 in kdemain () from /usr/lib/libkdeinit4_krunner.so
#55 0x00007f2bcbbac466 in __libc_start_main () from /lib/libc.so.6
#56 0x00000000004007c9 in _start ()