Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-14-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
I was deleting files in the desktop folder by folder view plasma. Following this, came a system message stating that I had deleted the desktop folder.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3458)]

Thread 2 (Thread 0xa74a6b90 (LWP 3469)):
#0  0xb7f2b430 in __kernel_vsyscall ()
#1  0xb64450e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb66252ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7d27172 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb7667ac2 in ?? () from /usr/lib/libQtNetwork.so.4
#5  0xb7d26132 in ?? () from /usr/lib/libQtCore.so.4
#6  0xb64414ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb661649e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5f4fa10 (LWP 3458)):
[KCrash Handler]
#6  0xb6f0dda8 in QGraphicsScene::drawItems () from /usr/lib/libQtGui.so.4
#7  0xb6f2361c in QGraphicsView::drawItems () from /usr/lib/libQtGui.so.4
#8  0xb6f30022 in QGraphicsView::paintEvent () from /usr/lib/libQtGui.so.4
#9  0xb693274e in QWidget::event () from /usr/lib/libQtGui.so.4
#10 0xb6ce3a53 in QFrame::event () from /usr/lib/libQtGui.so.4
#11 0xb6d83c2f in QAbstractScrollArea::viewportEvent () from /usr/lib/libQtGui.so.4
#12 0xb6f2e9b2 in QGraphicsView::viewportEvent () from /usr/lib/libQtGui.so.4
#13 0xb6d86235 in ?? () from /usr/lib/libQtGui.so.4
#14 0xb7e19dea in QCoreApplicationPrivate::sendThroughObjectEventFilters () from /usr/lib/libQtCore.so.4
#15 0xb68dbd1a in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#16 0xb68e4122 in QApplication::notify () from /usr/lib/libQtGui.so.4
#17 0xb73ec5cd in KApplication::notify () from /usr/lib/libkdeui.so.5
#18 0xb7e1abcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#19 0xb68e6e8e in QCoreApplication::sendSpontaneousEvent () from /usr/lib/libQtGui.so.4
#20 0xb693a4e9 in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#21 0xb693ac8e in QWidgetPrivate::paintSiblingsRecursive () from /usr/lib/libQtGui.so.4
#22 0xb693a0da in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#23 0xb693ac8e in QWidgetPrivate::paintSiblingsRecursive () from /usr/lib/libQtGui.so.4
#24 0xb693a0da in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#25 0xb6acb9ca in ?? () from /usr/lib/libQtGui.so.4
#26 0xb692aa06 in QWidgetPrivate::syncBackingStore () from /usr/lib/libQtGui.so.4
#27 0xb6932bb5 in QWidget::event () from /usr/lib/libQtGui.so.4
#28 0xb68dbd3c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#29 0xb68e4122 in QApplication::notify () from /usr/lib/libQtGui.so.4
#30 0xb73ec5cd in KApplication::notify () from /usr/lib/libkdeui.so.5
#31 0xb7e1abcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#32 0xb7e1b825 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#33 0xb7e1ba1d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#34 0xb7e466af in ?? () from /usr/lib/libQtCore.so.4
#35 0xb648eb88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#36 0xb64920eb in ?? () from /usr/lib/libglib-2.0.so.0
#37 0xb6492268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#38 0xb7e462f8 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#39 0xb697da75 in ?? () from /usr/lib/libQtGui.so.4
#40 0xb7e191fa in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#41 0xb7e19642 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#42 0xb7e1bae9 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#43 0xb68dbbb7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#44 0xb3b085d0 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#45 0x0804e27d in _start ()

This bug may be a duplicate of or related to bug 201844

Reported using DrKonqi