Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-15-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
I've passed the cursor over the link to my digital camera (Nikon D-60). The camera was not connected. The Plasma workspace crashed.

 -- Backtrace:
Application: Spazio di lavoro di Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 4632)]

Thread 2 (Thread 0xa92f2b90 (LWP 4633)):
#0  0xb7f7c430 in __kernel_vsyscall ()
#1  0xb649a0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb667a2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7d80172 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb76bdac2 in ?? () from /usr/lib/libQtNetwork.so.4
#5  0xb7d7f132 in ?? () from /usr/lib/libQtCore.so.4
#6  0xb64964ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb666b49e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5fa3a10 (LWP 4632)):
[KCrash Handler]
#6  0xb6f62da8 in QGraphicsScene::drawItems () from /usr/lib/libQtGui.so.4
#7  0xb6f7861c in QGraphicsView::drawItems () from /usr/lib/libQtGui.so.4
#8  0xb6f85022 in QGraphicsView::paintEvent () from /usr/lib/libQtGui.so.4
#9  0xb698774e in QWidget::event () from /usr/lib/libQtGui.so.4
#10 0xb6d38a53 in QFrame::event () from /usr/lib/libQtGui.so.4
#11 0xb6dd8c2f in QAbstractScrollArea::viewportEvent () from /usr/lib/libQtGui.so.4
#12 0xb6f839b2 in QGraphicsView::viewportEvent () from /usr/lib/libQtGui.so.4
#13 0xb6ddb235 in ?? () from /usr/lib/libQtGui.so.4
#14 0xb7e72dea in QCoreApplicationPrivate::sendThroughObjectEventFilters () from /usr/lib/libQtCore.so.4
#15 0xb6930d1a in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#16 0xb6939122 in QApplication::notify () from /usr/lib/libQtGui.so.4
#17 0xb744185d in KApplication::notify () from /usr/lib/libkdeui.so.5
#18 0xb7e73bcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#19 0xb693be8e in QCoreApplication::sendSpontaneousEvent () from /usr/lib/libQtGui.so.4
#20 0xb698f4e9 in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#21 0xb698fc8e in QWidgetPrivate::paintSiblingsRecursive () from /usr/lib/libQtGui.so.4
#22 0xb698f0da in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#23 0xb698fc8e in QWidgetPrivate::paintSiblingsRecursive () from /usr/lib/libQtGui.so.4
#24 0xb698f0da in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#25 0xb6b209ca in ?? () from /usr/lib/libQtGui.so.4
#26 0xb697fa06 in QWidgetPrivate::syncBackingStore () from /usr/lib/libQtGui.so.4
#27 0xb6987bb5 in QWidget::event () from /usr/lib/libQtGui.so.4
#28 0xb6930d3c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#29 0xb6939122 in QApplication::notify () from /usr/lib/libQtGui.so.4
#30 0xb744185d in KApplication::notify () from /usr/lib/libkdeui.so.5
#31 0xb7e73bcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#32 0xb7e74825 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#33 0xb7e74a1d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#34 0xb7e9f6af in ?? () from /usr/lib/libQtCore.so.4
#35 0xb64e3b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#36 0xb64e70eb in ?? () from /usr/lib/libglib-2.0.so.0
#37 0xb64e7268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#38 0xb7e9f2f8 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#39 0xb69d2a75 in ?? () from /usr/lib/libQtGui.so.4
#40 0xb7e721fa in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#41 0xb7e72642 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#42 0xb7e74ae9 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#43 0xb6930bb7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#44 0xb4af5310 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#45 0x0804e27d in _start ()

Reported using DrKonqi