Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.98 (KDE 4.2.98 (KDE 4.3 RC3))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-14-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
reproduction of 201844 (which for some reason did not appear in the bug list here). happened when pressed teh delete button twice when deleting a directory from the desktop plasma. if the delete button is hit twice, i guess the second time get some null parameter and plasma crashes

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 4967)]

Thread 2 (Thread 0xa85cdb90 (LWP 4971)):
#0  0xb801c430 in __kernel_vsyscall ()
#1  0xb64df0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb66bf2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7e159b2 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb774e152 in ?? () from /usr/lib/libQtNetwork.so.4
#5  0xb7e1496e in ?? () from /usr/lib/libQtCore.so.4
#6  0xb64db4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb66b049e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5fe9a10 (LWP 4967)):
[KCrash Handler]
#6  0xb6fef6f8 in QGraphicsScene::drawItems () from /usr/lib/libQtGui.so.4
#7  0xb7001ffc in QGraphicsView::drawItems () from /usr/lib/libQtGui.so.4
#8  0xb700fa52 in QGraphicsView::paintEvent () from /usr/lib/libQtGui.so.4
#9  0xb69ec91e in QWidget::event () from /usr/lib/libQtGui.so.4
#10 0xb6dc6993 in QFrame::event () from /usr/lib/libQtGui.so.4
#11 0xb6e6694f in QAbstractScrollArea::viewportEvent () from /usr/lib/libQtGui.so.4
#12 0xb700a102 in QGraphicsView::viewportEvent () from /usr/lib/libQtGui.so.4
#13 0xb6e68f55 in ?? () from /usr/lib/libQtGui.so.4
#14 0xb7f07c5a in QCoreApplicationPrivate::sendThroughObjectEventFilters () from /usr/lib/libQtCore.so.4
#15 0xb6995e7a in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#16 0xb699e282 in QApplication::notify () from /usr/lib/libQtGui.so.4
#17 0xb74d05cd in KApplication::notify () from /usr/lib/libkdeui.so.5
#18 0xb7f08a3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#19 0xb69a0fee in QCoreApplication::sendSpontaneousEvent () from /usr/lib/libQtGui.so.4
#20 0xb69f4719 in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#21 0xb69f4ebe in QWidgetPrivate::paintSiblingsRecursive () from /usr/lib/libQtGui.so.4
#22 0xb69f430a in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#23 0xb69f4ebe in QWidgetPrivate::paintSiblingsRecursive () from /usr/lib/libQtGui.so.4
#24 0xb69f430a in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#25 0xb6bb108a in ?? () from /usr/lib/libQtGui.so.4
#26 0xb69e4bb6 in QWidgetPrivate::syncBackingStore () from /usr/lib/libQtGui.so.4
#27 0xb69ecd85 in QWidget::event () from /usr/lib/libQtGui.so.4
#28 0xb6995e9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#29 0xb699e282 in QApplication::notify () from /usr/lib/libQtGui.so.4
#30 0xb74d05cd in KApplication::notify () from /usr/lib/libkdeui.so.5
#31 0xb7f08a3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#32 0xb7f09695 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#33 0xb7f0988d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#34 0xb7f347ef in ?? () from /usr/lib/libQtCore.so.4
#35 0xb6528b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#36 0xb652c0eb in ?? () from /usr/lib/libglib-2.0.so.0
#37 0xb652c268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#38 0xb7f34438 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#39 0xb6a37365 in ?? () from /usr/lib/libQtGui.so.4
#40 0xb7f0706a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#41 0xb7f074aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#42 0xb7f09959 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#43 0xb6995d17 in QApplication::exec () from /usr/lib/libQtGui.so.4
#44 0xb3d695d0 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#45 0x0804e27d in _start ()

Reported using DrKonqi