Version:            (using KDE 4.3.1)
OS:                Linux
Installed from:    Ubuntu Packages

the screen went black and flickered for a few seconds, I was using firefox 3.5.3 and had amarok 2.1 running in the background and I was moving files around in the folder widget thats on the desktop by default


its only a fresh install of kubuntu 9.04, iv upgraded the de to 4.3.1,i 

Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3109)]

Thread 2 (Thread 0xa9405b90 (LWP 3113)):
#0  0xb7fb9430 in __kernel_vsyscall ()
#1  0xb64d60e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb66b62ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7dbc172 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb76f9ac2 in ?? () from /usr/lib/libQtNetwork.so.4
#5  0xb7dbb132 in ?? () from /usr/lib/libQtCore.so.4
#6  0xb64d24ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb66a749e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5fdfa10 (LWP 3109)):
[KCrash Handler]
#6  0xb6f9eda8 in QGraphicsScene::drawItems () from /usr/lib/libQtGui.so.4
#7  0xb6fb461c in QGraphicsView::drawItems () from /usr/lib/libQtGui.so.4
#8  0xb6fc1022 in QGraphicsView::paintEvent () from /usr/lib/libQtGui.so.4
#9  0xb69c374e in QWidget::event () from /usr/lib/libQtGui.so.4
#10 0xb6d74a53 in QFrame::event () from /usr/lib/libQtGui.so.4
#11 0xb6e14c2f in QAbstractScrollArea::viewportEvent () from /usr/lib/libQtGui.so.4
#12 0xb6fbf9b2 in QGraphicsView::viewportEvent () from /usr/lib/libQtGui.so.4
#13 0xb6e17235 in ?? () from /usr/lib/libQtGui.so.4
#14 0xb7eaedea in QCoreApplicationPrivate::sendThroughObjectEventFilters () from /usr/lib/libQtCore.so.4
#15 0xb696cd1a in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#16 0xb6975122 in QApplication::notify () from /usr/lib/libQtGui.so.4
#17 0xb747d85d in KApplication::notify () from /usr/lib/libkdeui.so.5
#18 0xb7eafbcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#19 0xb6977e8e in QCoreApplication::sendSpontaneousEvent () from /usr/lib/libQtGui.so.4
#20 0xb69cb4e9 in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#21 0xb69cbc8e in QWidgetPrivate::paintSiblingsRecursive () from /usr/lib/libQtGui.so.4
#22 0xb69cb0da in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#23 0xb69cbc8e in QWidgetPrivate::paintSiblingsRecursive () from /usr/lib/libQtGui.so.4
#24 0xb69cb0da in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4
#25 0xb6b5c9ca in ?? () from /usr/lib/libQtGui.so.4
#26 0xb69bba06 in QWidgetPrivate::syncBackingStore () from /usr/lib/libQtGui.so.4
#27 0xb69c3bb5 in QWidget::event () from /usr/lib/libQtGui.so.4
#28 0xb696cd3c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#29 0xb6975122 in QApplication::notify () from /usr/lib/libQtGui.so.4
#30 0xb747d85d in KApplication::notify () from /usr/lib/libkdeui.so.5
#31 0xb7eafbcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#32 0xb7eb0825 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#33 0xb7eb0a1d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#34 0xb7edb6af in ?? () from /usr/lib/libQtCore.so.4
#35 0xb651fb88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#36 0xb65230eb in ?? () from /usr/lib/libglib-2.0.so.0
#37 0xb6523268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#38 0xb7edb2f8 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#39 0xb6a0ea75 in ?? () from /usr/lib/libQtGui.so.4
#40 0xb7eae1fa in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#41 0xb7eae642 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#42 0xb7eb0ae9 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#43 0xb696cbb7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#44 0xb4b30310 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#45 0x0804e27d in _start ()