Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-ARCH x86_64

What I was doing when the application crashed:
I was configuring file-sharing of my home folder, after i was done, I closed the properties dialog and plasma crashes.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 2567)]

Thread 2 (Thread 0x7fb00bd65910 (LWP 2570)):
#0  0x00007fb02a5cedd9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fb02a83e34b in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#2  0x00007fb026ca844c in ?? () from /usr/lib/libQtNetwork.so.4
#3  0x00007fb02a83d285 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007fb02a5ca57a in start_thread () from /lib/libpthread.so.0
#5  0x00007fb027f8414d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb02adfe750 (LWP 2567)):
[KCrash Handler]
#5  0x00007fb0298158b0 in KDirModelNode::rowNumber () from /usr/lib/libkio.so.5
#6  0x00007fb029815951 in KDirModelPrivate::indexForNode () from /usr/lib/libkio.so.5
#7  0x00007fb02981a2f6 in KDirModelPrivate::_k_slotNewItems () from /usr/lib/libkio.so.5
#8  0x00007fb02981b6d6 in KDirModel::qt_metacall () from /usr/lib/libkio.so.5
#9  0x00007fb02a937dec in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#10 0x00007fb0297ff44a in KDirLister::itemsAdded () from /usr/lib/libkio.so.5
#11 0x00007fb0298001fa in KDirLister::Private::emitItems () from /usr/lib/libkio.so.5
#12 0x00007fb02980ac78 in KDirListerCache::processPendingUpdates () from /usr/lib/libkio.so.5
#13 0x00007fb02980b5ee in KDirListerCache::slotFilesChanged () from /usr/lib/libkio.so.5
#14 0x00007fb029811900 in KDirListerCache::qt_metacall () from /usr/lib/libkio.so.5
#15 0x00007fb02a937dec in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#16 0x00007fb02981cc75 in OrgKdeKDirNotifyInterface::FilesChanged () from /usr/lib/libkio.so.5
#17 0x00007fb02981cde0 in OrgKdeKDirNotifyInterface::qt_metacall () from /usr/lib/libkio.so.5
#18 0x00007fb0269d7994 in ?? () from /usr/lib/libQtDBus.so.4
#19 0x00007fb0269dec9f in ?? () from /usr/lib/libQtDBus.so.4
#20 0x00007fb02a932109 in QObject::event () from /usr/lib/libQtCore.so.4
#21 0x00007fb0286ba69c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#22 0x00007fb0286c196e in QApplication::notify () from /usr/lib/libQtGui.so.4
#23 0x00007fb0292ee8d6 in KApplication::notify () from /usr/lib/libkdeui.so.5
#24 0x00007fb02a922cec in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#25 0x00007fb02a9238ca in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#26 0x00007fb02a94b543 in ?? () from /usr/lib/libQtCore.so.4
#27 0x00007fb02760edbe in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#28 0x00007fb027612568 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#29 0x00007fb027612690 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#30 0x00007fb02a94b1b6 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#31 0x00007fb02874d64e in ?? () from /usr/lib/libQtGui.so.4
#32 0x00007fb02a9215f2 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#33 0x00007fb02a9219c4 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#34 0x00007fb02a923b79 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#35 0x00007fb01e81728f in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#36 0x0000000000406eae in _start ()

Reported using DrKonqi