Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.92 (KDE 4.2.92 (KDE 4.3 >= 20090617))
Qt Version: 4.5.1
Operating System: Linux 2.6.30-ARCH i686

What I was doing when the application crashed:
*Happened: 
plasma crashed and restarted itself, not sure, if it's connected but I had added external hdd(with 8 partitions) and fired up gparted

*System:
kde4.3beta2
archlinux, 32bit
kernel 2.6.30


 -- Backtrace:
Application: Plasma Workspace (kdeinit), signal: Segmentation fault
[Current thread is 0 (LWP 5564)]

Thread 2 (Thread 0xa908eb70 (LWP 5569)):
#0  0xb7fbc424 in __kernel_vsyscall ()
#1  0xb7d52c55 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb7db0167 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3  0xb7632b92 in ?? () from /usr/lib/libQtNetwork.so.4
#4  0xb7daf14e in ?? () from /usr/lib/libQtCore.so.4
#5  0xb7d4e6bc in start_thread () from /lib/libpthread.so.0
#6  0xb6567ffe in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb5db49f0 (LWP 5564)):
[KCrash Handler]
#6  0xb6e4023d in QStandardItem::index () from /usr/lib/libQtGui.so.4
#7  0xa9204fc9 in Notifier::NotifierView::calculateRects () from /usr/lib/kde4/plasma_applet_devicenotifier.so
#8  0xa9205395 in Notifier::NotifierView::resizeEvent () from /usr/lib/kde4/plasma_applet_devicenotifier.so
#9  0xb688cddc in QWidget::event () from /usr/lib/libQtGui.so.4
#10 0xb6c63263 in QFrame::event () from /usr/lib/libQtGui.so.4
#11 0xb6d01834 in QAbstractScrollArea::viewportEvent () from /usr/lib/libQtGui.so.4
#12 0xb6db39af in QAbstractItemView::viewportEvent () from /usr/lib/libQtGui.so.4
#13 0xb6deddf4 in QTreeView::viewportEvent () from /usr/lib/libQtGui.so.4
#14 0xb6d03e25 in ?? () from /usr/lib/libQtGui.so.4
#15 0xb7e9cc3a in QCoreApplicationPrivate::sendThroughObjectEventFilters () from /usr/lib/libQtCore.so.4
#16 0xb683858c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#17 0xb683fbfa in QApplication::notify () from /usr/lib/libQtGui.so.4
#18 0xb736a83a in KApplication::notify () from /usr/lib/libkdeui.so.5
#19 0xb7e9dacb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#20 0xb68ca6dd in QWidgetPrivate::setGeometry_sys () from /usr/lib/libQtGui.so.4
#21 0xb688c080 in QWidget::setGeometry () from /usr/lib/libQtGui.so.4
#22 0xb6d01de6 in QAbstractScrollAreaPrivate::layoutChildren () from /usr/lib/libQtGui.so.4
#23 0xb6d02511 in QAbstractScrollArea::event () from /usr/lib/libQtGui.so.4
#24 0xb6dac204 in QAbstractItemView::event () from /usr/lib/libQtGui.so.4
#25 0xb68385b4 in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#26 0xb683fbfa in QApplication::notify () from /usr/lib/libQtGui.so.4
#27 0xb736a83a in KApplication::notify () from /usr/lib/libkdeui.so.5
#28 0xb7e9dacb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#29 0xb6891b4d in QWidget::setContentsMargins () from /usr/lib/libQtGui.so.4
#30 0xb6c62f54 in QFrame::setFrameRect () from /usr/lib/libQtGui.so.4
#31 0xb6d02194 in QAbstractScrollAreaPrivate::layoutChildren () from /usr/lib/libQtGui.so.4
#32 0xb6d02584 in QAbstractScrollArea::setViewportMargins () from /usr/lib/libQtGui.so.4
#33 0xb6de8e72 in QTreeView::updateGeometries () from /usr/lib/libQtGui.so.4
#34 0xb6df0b41 in QTreeView::rowsInserted () from /usr/lib/libQtGui.so.4
#35 0xb6dae05d in QAbstractItemView::qt_metacall () from /usr/lib/libQtGui.so.4
#36 0xb6df4aaa in QTreeView::qt_metacall () from /usr/lib/libQtGui.so.4
#37 0xa9203d12 in Notifier::NotifierView::qt_metacall () from /usr/lib/kde4/plasma_applet_devicenotifier.so
#38 0xb7eb378c in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#39 0xb7eb43b2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#40 0xb7eeca9f in QAbstractItemModel::rowsInserted () from /usr/lib/libQtCore.so.4
#41 0xb7e98890 in QAbstractItemModel::endInsertRows () from /usr/lib/libQtCore.so.4
#42 0xb6e46510 in ?? () from /usr/lib/libQtGui.so.4
#43 0xb6e468db in ?? () from /usr/lib/libQtGui.so.4
#44 0xb6e494b6 in QStandardItem::insertRow () from /usr/lib/libQtGui.so.4
#45 0xa9202c4e in Notifier::NotifierDialog::insertDevice () from /usr/lib/kde4/plasma_applet_devicenotifier.so
#46 0xa91fd3bb in DeviceNotifier::onSourceAdded () from /usr/lib/kde4/plasma_applet_devicenotifier.so
#47 0xa92003bd in DeviceNotifier::qt_metacall () from /usr/lib/kde4/plasma_applet_devicenotifier.so
#48 0xb7eb378c in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#49 0xb7eb43b2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#50 0xb5a75d93 in Plasma::DataEngine::sourceAdded () from /usr/lib/libplasma.so.3
#51 0xb5a77441 in Plasma::DataEngine::setData () from /usr/lib/libplasma.so.3
#52 0xa9104b89 in HotplugEngine::onDeviceAdded () from /usr/lib/kde4/plasma_engine_hotplug.so
#53 0xa91059db in HotplugEngine::qt_metacall () from /usr/lib/kde4/plasma_engine_hotplug.so
#54 0xb7eb378c in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#55 0xb7eb43b2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#56 0xb6298673 in Solid::DeviceNotifier::deviceAdded () from /usr/lib/libsolid.so.4
#57 0xb629a64c in Solid::DeviceManagerPrivate::_k_deviceAdded () from /usr/lib/libsolid.so.4
#58 0xb629a867 in Solid::DeviceManagerPrivate::qt_metacall () from /usr/lib/libsolid.so.4
#59 0xb7eb378c in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#60 0xb7eb43b2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#61 0xb62ad043 in Solid::Ifaces::DeviceManager::deviceAdded () from /usr/lib/libsolid.so.4
#62 0xb62d21be in Solid::Backends::Hal::HalManager::slotDeviceAdded () from /usr/lib/libsolid.so.4
#63 0xb62d222b in Solid::Backends::Hal::HalManager::qt_metacall () from /usr/lib/libsolid.so.4
#64 0xb714a6e7 in ?? () from /usr/lib/libQtDBus.so.4
#65 0xb7151f57 in ?? () from /usr/lib/libQtDBus.so.4
#66 0xb7eada8e in QObject::event () from /usr/lib/libQtCore.so.4
#67 0xb68385b4 in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#68 0xb683fcac in QApplication::notify () from /usr/lib/libQtGui.so.4
#69 0xb736a83a in KApplication::notify () from /usr/lib/libkdeui.so.5
#70 0xb7e9dacb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#71 0xb7e9e592 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#72 0xb7e9e75d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#73 0xb7ec87cf in ?? () from /usr/lib/libQtCore.so.4
#74 0xb63fbd98 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#75 0xb63ff3e0 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#76 0xb63ff513 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#77 0xb7ec83fc in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#78 0xb68d62c5 in ?? () from /usr/lib/libQtGui.so.4
#79 0xb7e9c079 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#80 0xb7e9c4c2 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#81 0xb7e9e81f in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#82 0xb6838437 in QApplication::exec () from /usr/lib/libQtGui.so.4
#83 0xb481e5dd in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#84 0x0804ddfd in _start ()

Reported using DrKonqi