Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2)) "release 138"
Qt Version: 4.5.1
Operating System: Linux 2.6.27.23-35-pae i686
Distribution: "openSUSE 11.1 (i586)"

What I was doing when the application crashed:
What I was doing: Mouse hovered over the folder on my desktop, plasma tried to open the folder preview. Then suddenly crashed, then returned to normal desktop. 

 -- Backtrace:
Application: Plasma Workspace (kdeinit), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5efd700 (LWP 3703))]

Thread 2 (Thread 0xa90ffb90 (LWP 3942)):
#0  0xb7da5a20 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0xb7e04722 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0xb767eae2 in ?? () from /usr/lib/libQtNetwork.so.4
#3  0xb7e0370e in ?? () from /usr/lib/libQtCore.so.4
#4  0xb7da2030 in start_thread () from /lib/libpthread.so.0
#5  0xb65c267e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb5efd700 (LWP 3703)):
[KCrash Handler]
#5  IconView::popupVisible (this=0x8a4e768) at /usr/src/debug/kdebase-4.2.90/apps/plasma/applets/folderview/iconview.cpp:1198
#6  0xb68ef0e2 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#7  0xb689869c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#8  0xb68a0a82 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#9  0xb73b6b9d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#10 0xb7ef7adb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#11 0xb689fb33 in QApplicationPrivate::dispatchEnterLeave(QWidget*, QWidget*) () from /usr/lib/libQtGui.so.4
#12 0xb690f26e in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#13 0xb693927a in ?? () from /usr/lib/libQtGui.so.4
#14 0xb64409c8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#15 0xb6444083 in ?? () from /usr/lib/libglib-2.0.so.0
#16 0xb6444241 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#17 0xb7f23558 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#18 0xb6938975 in ?? () from /usr/lib/libQtGui.so.4
#19 0xb7ef60fa in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#20 0xb7ef653a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#21 0xb7ef89e9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#22 0xb6898517 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#23 0xb492ce50 in kdemain (argc=1, argv=0x80882e8) at /usr/src/debug/kdebase-workspace-4.2.90/plasma/shells/desktop/main.cpp:50
#24 0x0804e2b0 in _start ()

Reported using DrKonqi