Version:           KDE 4.0.82 >= 20080610 (using Devel)
Installed from:    Compiled sources
OS:                Linux

Every time I resize the default panel in plasma (nothing is configured in plasma) it crashes and restarts plasma, I did it twice and plasma didn't rerun itself, I ran the traceback:

Application: Plasma Workspace (plasma), signal SIGSEGV
[Thread debugging using libthread_db enabled]
[New Thread 0xb5473720 (LWP 9296)]
[New Thread 0xb2e79b90 (LWP 9298)]
[New Thread 0xb3a5db90 (LWP 9297)]
[KCrash handler]
#6  0xb6636f14 in QObject::connect () from /usr/lib/libQtCore.so.4
#7  0xb2615484 in SystemTrayWidget::x11Event (this=0x81dc918, 
    event=0xbfa008b8)
    at /opt/kde4/kde/src/KDE/kdebase/workspace/plasma/applets/systemtray/systemtraywidget.cpp:95
#8  0xb5c8cd92 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#9  0xb5cb63ba in ?? () from /usr/lib/libQtGui.so.4
#10 0xb55a8bf8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#11 0xb55abe5e in ?? () from /usr/lib/libglib-2.0.so.0
#12 0xb55ac3ac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#13 0xb664ef98 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#14 0xb5cb61b5 in ?? () from /usr/lib/libQtGui.so.4
#15 0xb662292d in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#16 0xb6622abd in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#17 0xb6624d3d in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#18 0xb5c22567 in QApplication::exec () from /usr/lib/libQtGui.so.4
#19 0xb7f3b2e9 in kdemain (argc=1, argv=0xbfa00ca4)
    at /opt/kde4/kde/src/KDE/kdebase/workspace/plasma/plasma/main.cpp:54
#20 0x08048786 in main (argc=1852731235, argv=0x746365)
    at /opt/kde4/kde/build/KDE/kdebase/workspace/plasma/plasma/plasma-qgv_dummy.cpp:3
#0  0xb7f57410 in __kernel_vsyscall ()