Version:            (using Devel)
Installed from:    Compiled sources

Not much to say... hope the backtrace helps.

Application: Plasma Workspace (plasma), signal SIGSEGV
[?1034h[Thread debugging using libthread_db enabled]
[New Thread 0xb58c86d0 (LWP 29224)]
[New Thread 0xade69b90 (LWP 29280)]
[New Thread 0xae66bb90 (LWP 29279)]
[New Thread 0xaf256b90 (LWP 29278)]
[New Thread 0xb0988b90 (LWP 29277)]
[New Thread 0xb1189b90 (LWP 29272)]
[New Thread 0xb198ab90 (LWP 29231)]
[New Thread 0xb2dc7b90 (LWP 29226)]
[New Thread 0xb3d9ab90 (LWP 29225)]
[KCrash handler]
#6  0xb6b2cd60 in QMimeData::text () from /usr/lib/libQtCore.so.4
#7  0xb1dd62c0 in Kickoff::UrlItemView::startDrag (this=0x87adf60, 
    supportedActions={i = -1082062668})
    at /home/matteo/kde/sources/trunk/KDE/kdebase/workspace/plasma/applets/kickoff/ui/urlitemview.cpp:508
#8  0xb649b829 in QAbstractItemView::mouseMoveEvent ()
   from /usr/lib/libQtGui.so.4
#9  0xb1dd65b2 in Kickoff::UrlItemView::mouseMoveEvent (this=0x87adf60, 
    event=0xbf811078)
    at /home/matteo/kde/sources/trunk/KDE/kdebase/workspace/plasma/applets/kickoff/ui/urlitemview.cpp:478
#10 0xb608fff0 in QWidget::event () from /usr/lib/libQtGui.so.4
#11 0xb6379b53 in QFrame::event () from /usr/lib/libQtGui.so.4
#12 0xb64038ef in QAbstractScrollArea::viewportEvent ()
   from /usr/lib/libQtGui.so.4
#13 0xb649cb6f in QAbstractItemView::viewportEvent ()
   from /usr/lib/libQtGui.so.4
#14 0xb6405cf5 in ?? () from /usr/lib/libQtGui.so.4
#15 0xb6b1fd4a in QCoreApplicationPrivate::sendThroughObjectEventFilters ()
   from /usr/lib/libQtCore.so.4
#16 0xb603deaa in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#17 0xb6044ca7 in QApplication::notify () from /usr/lib/libQtGui.so.4
#18 0xb7a2317b in KApplication::notify (this=0x8075158, receiver=0x87afa98, 
    event=0xbf811078)
    at /home/matteo/kde/sources/trunk/KDE/kdelibs/kdeui/kernel/kapplication.cpp:311
#19 0xb6b20b51 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#20 0xb6045fae in QApplicationPrivate::sendMouseEvent ()
   from /usr/lib/libQtGui.so.4
#21 0xb60a3474 in ?? () from /usr/lib/libQtGui.so.4
#22 0xb60a25a4 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#23 0xb60c83ae in ?? () from /usr/lib/libQtGui.so.4
#24 0xb6b1f2ca in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#25 0xb6b1f48a in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#26 0xb6b2166d in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#27 0xb603dd47 in QApplication::exec () from /usr/lib/libQtGui.so.4
#28 0xb7fdcc99 in kdemain (argc=1, argv=0xbf8118d4)
    at /home/matteo/kde/sources/trunk/KDE/kdebase/workspace/plasma/plasma/main.cpp:54
#29 0x08048846 in main (argc=-1229204588, argv=0xb1de4ff4)
    at /home/matteo/kde/build/trunk/KDE/kdebase/workspace/plasma/plasma/plasma-qgv_dummy.cpp:3
#0  0xffffe430 in __kernel_vsyscall ()