Version:            (using KDE KDE 3.4.0)
Installed from:    Compiled From Sources
Compiler:          GCC 3.4.3 compiled with flags CFLAGS="-O3 -march=pentium4 -mmmx -msse2 -msse -mfpmath=sse" and CXXFLAGS="$CFLAGS"
OS:                Linux

Description:
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Umbrello crashes when I clicked on the "close tab
diagram button".


How to reproduce the crash:
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1) Start umbrello
2) Click on the close tab diagram button


Full back trace:
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(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread -1231608144 (LWP 7955)]
[KCrash handler]
#7  0xb7aac3ba in KToolBarButton::slotClicked () from /usr/lib/libkdeui.so.4
#8  0xb7aac809 in KToolBarButton::qt_invoke () from /usr/lib/libkdeui.so.4
#9  0xb714366a in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#10 0xb7143e7c in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#11 0xb74a0eec in QButton::clicked () from /usr/lib/libqt-mt.so.3
#12 0xb71db6d1 in QButton::mouseReleaseEvent () from /usr/lib/libqt-mt.so.3
#13 0xb7aac493 in KToolBarButton::mouseReleaseEvent ()
   from /usr/lib/libkdeui.so.4
#14 0xb717d5c4 in QWidget::event () from /usr/lib/libqt-mt.so.3
#15 0xb70df96f in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#16 0xb70dfbc6 in QApplication::notify () from /usr/lib/libqt-mt.so.3
#17 0xb771a3a4 in KApplication::notify () from /usr/lib/libkdecore.so.4
#18 0xb7079e0b in QETWidget::translateMouseEvent () from /usr/lib/libqt-mt.so.3
#19 0xb7078291 in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3
#20 0xb708b7d5 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#21 0xb70f60a1 in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#22 0xb70f5ff6 in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#23 0xb70deacf in QApplication::exec () from /usr/lib/libqt-mt.so.3
#24 0x081581aa in main ()