Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.85 (KDE 4.2.85 (KDE 4.3 Beta1))
Qt Version: 4.5.1
Operating System: Linux 2.6.28-12-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Plasma crashed after I deleted a system monitor widget from my desktop.

I have three activities, plain (no widgets just for wallpaper), main (Folder view and trash can) and info (For comics and weather report and other info). I had the system load applet in my panel, i moved it to the desktop and deleted. It resulted in plasma crash.

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 0 (LWP 5006)]

Thread 2 (Thread 0x7f9f222d0950 (LWP 5136)):
#0  0x00007f9f3d4552e9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f9f40d3bce9 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#2  0x00007f9f442b65dc in ?? () from /usr/lib/libQtNetwork.so.4
#3  0x00007f9f40d3ad02 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f9f3d4513ba in start_thread () from /lib/libpthread.so.0
#5  0x00007f9f402a5fcd in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9f459c9760 (LWP 5006)):
[KCrash Handler]
#5  0x00000000000002e1 in ?? ()
#6  0x00007f9f44fdfab4 in ?? () from /usr/lib/libplasma.so.3
#7  0x00007f9f44fc91c1 in Plasma::Applet::focusInEvent () from /usr/lib/libplasma.so.3
#8  0x00007f9f41afbb2d in QGraphicsItem::sceneEvent () from /usr/lib/libQtGui.so.4
#9  0x00007f9f41b218b8 in QGraphicsScene::setFocusItem () from /usr/lib/libQtGui.so.4
#10 0x00007f9f41b2dcf9 in ?? () from /usr/lib/libQtGui.so.4
#11 0x00007f9f41b2e8a0 in QGraphicsScene::event () from /usr/lib/libQtGui.so.4
#12 0x00007f9f4152db9d in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#13 0x00007f9f41535dea in QApplication::notify () from /usr/lib/libQtGui.so.4
#14 0x00007f9f43bf21ab in KApplication::notify () from /usr/lib/libkdeui.so.5
#15 0x00007f9f40e23dfc in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#16 0x00007f9f41b3a88d in QGraphicsView::mousePressEvent () from /usr/lib/libQtGui.so.4
#17 0x00007f9f4157efc6 in QWidget::event () from /usr/lib/libQtGui.so.4
#18 0x00007f9f4191c45b in QFrame::event () from /usr/lib/libQtGui.so.4
#19 0x00007f9f41b3efeb in QGraphicsView::viewportEvent () from /usr/lib/libQtGui.so.4
#20 0x00007f9f40e23108 in QCoreApplicationPrivate::sendThroughObjectEventFilters () from /usr/lib/libQtCore.so.4
#21 0x00007f9f4152db6c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#22 0x00007f9f4153654a in QApplication::notify () from /usr/lib/libQtGui.so.4
#23 0x00007f9f43bf21ab in KApplication::notify () from /usr/lib/libkdeui.so.5
#24 0x00007f9f40e23dfc in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#25 0x00007f9f41535798 in QApplicationPrivate::sendMouseEvent () from /usr/lib/libQtGui.so.4
#26 0x00007f9f4159f789 in ?? () from /usr/lib/libQtGui.so.4
#27 0x00007f9f4159e7f5 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#28 0x00007f9f415c6f84 in ?? () from /usr/lib/libQtGui.so.4
#29 0x00007f9f3b82120a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#30 0x00007f9f3b8248e0 in ?? () from /usr/lib/libglib-2.0.so.0
#31 0x00007f9f3b824a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#32 0x00007f9f40e4d52f in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#33 0x00007f9f415c670f in ?? () from /usr/lib/libQtGui.so.4
#34 0x00007f9f40e226a2 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#35 0x00007f9f40e22a6d in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#36 0x00007f9f40e24d34 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#37 0x00007f9f4559c29b in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#38 0x00007f9f401de5a6 in __libc_start_main () from /lib/libc.so.6
#39 0x00000000004007c9 in _start ()