Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.00 (KDE 4.4.0) (Compiled from sources)
Qt Version: 4.6.2
Operating System: Linux 2.6.30.10-105.2.23.fc11.i686.PAE i686
Distribution: "Fedora release 11 (Leonidas)"

-- Information about the crash:
I had jsut added the widgets and changed theme/style with newly downloaded ones. Also added a downloaded start-up splash screen but didn't apply that. Was surfing the net when the flash happened. I later noticed that the desktop folder had changed position.

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[KCrash Handler]
#6  0x0327abba in KDirModel::dirLister (this=0xa895368) at /usr/src/debug/kdelibs-4.4.0/kio/kio/kdirmodel.cpp:354
#7  0x03997c56 in KFilePreviewGenerator::qt_metacall (this=0x9d77f20, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfeec11c)
    at /usr/src/debug/kdelibs-4.4.0/i586-redhat-linux-gnu/kfile/kfilepreviewgenerator.moc:97
#8  0x07cb65ea in QMetaObject::metacall (object=0x9d77f20, cl=176771944, idx=8, argv=0xbfeec11c) at kernel/qmetaobject.cpp:237
#9  0x07cc4da5 in QMetaObject::activate (sender=0x9acccb8, m=0x2d09aa8, local_signal_index=3, argv=0x0) at kernel/qobject.cpp:3293
#10 0x02af5757 in QClipboard::dataChanged (this=0x9acccb8) at .moc/release-shared/moc_qclipboard.cpp:114
#11 0x024648e8 in QApplication::x11ProcessEvent (this=0x9a71cf8, event=0xbfeec4ec) at kernel/qapplication_x11.cpp:3335
#12 0x02491f5a in x11EventSourceDispatch (s=0x9a7fba8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#13 0x0063d308 in g_main_dispatch (context=<value optimized out>) at gmain.c:1824
#14 IA__g_main_context_dispatch (context=<value optimized out>) at gmain.c:2377
#15 0x006409e0 in g_main_context_iterate (context=0x9a7ee90, block=<value optimized out>, dispatch=1, self=0x9a7c8d0) at gmain.c:2455
#16 0x00640b13 in IA__g_main_context_iteration (context=0x9a7ee90, may_block=1) at gmain.c:2518
#17 0x07cdcf25 in QEventDispatcherGlib::processEvents (this=0x9a5ce80, flags={i = 36}) at kernel/qeventdispatcher_glib.cpp:412
#18 0x02491a85 in QGuiEventDispatcherGlib::processEvents (this=0x9a5ce80, flags={i = 36}) at kernel/qguieventdispatcher_glib.cpp:204
#19 0x07caf849 in QEventLoop::processEvents (this=0xbfeec7e4, flags={i = 36}) at kernel/qeventloop.cpp:149
#20 0x07cafc9a in QEventLoop::exec (this=0xbfeec7e4, flags={i = 0}) at kernel/qeventloop.cpp:201
#21 0x07cb241f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#22 0x023d3cf7 in QApplication::exec () at kernel/qapplication.cpp:3579
#23 0x03af739e in kdemain (argc=1, argv=0xbfeec9e4) at /usr/src/debug/kdebase-workspace-4.4.0/plasma/desktop/shell/main.cpp:112
#24 0x0804874b in main (argc=1, argv=0xbfeec9e4) at /usr/src/debug/kdebase-workspace-4.4.0/i586-redhat-linux-gnu/plasma/desktop/shell/plasma-desktop_dummy.cpp:3

Reported using DrKonqi