Application: umbrello (2.4.5)
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-27-generic i686
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
Umbrello suddenly closed after pressing the icons to undo and redo.

 -- Backtrace:
Application: Umbrello UML Modeller (umbrello), signal: Segmentation fault
[KCrash Handler]
#6  QBasicAtomicInt::ref (this=0xa7a3d08) at ../../include/QtCore/../../src/corelib/arch/qatomic_i386.h:120
#7  QString (this=0xa7a3d08) at ../../include/QtCore/../../src/corelib/tools/qstring.h:715
#8  QUndoCommand::text (this=0xa7a3d08) at util/qundostack.cpp:241
#9  0x01bedf28 in QUndoStack::undoText (this=0xa088f18) at util/qundostack.cpp:795
#10 0x01bef0c2 in QUndoStackPrivate::setIndex (this=0xa088920, idx=<value optimized out>, clean=false) at util/qundostack.cpp:401
#11 0x01bef3bd in QUndoStack::redo (this=0xa088f18) at util/qundostack.cpp:685
#12 0x01c16973 in QUndoStack::qt_metacall (this=0xa088f18, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0xbfe32f08) at .moc/release-shared/moc_qundostack.cpp:106
#13 0x0127be22 in KUndoStack::qt_metacall (this=0xa088f18, _c=QMetaObject::InvokeMetaMethod, _id=13, _a=0xbfe32f08) at ./kundostack.moc:64
#14 0x09753c9a in QMetaObject::metacall (object=0xa088f18, cl=175617648, idx=13, argv=0xbfe32f08) at kernel/qmetaobject.cpp:237
#15 0x097623d5 in QMetaObject::activate (sender=0xa08bae0, m=0x1e08d58, local_signal_index=1, argv=0xbfe32f08) at kernel/qobject.cpp:3293
#16 0x014d9bd9 in QAction::triggered (this=0xa08bae0, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#17 0x014dbdcc in QAction::activate (this=0xa08bae0, event=QAction::Trigger) at kernel/qaction.cpp:1255
#18 0x019cebd2 in QAction::trigger (this=0x21) at ../../include/QtGui/../../src/gui/kernel/qaction.h:218
#19 QToolButton::nextCheckState (this=0x21) at widgets/qtoolbutton.cpp:1147
#20 0x018ebcb3 in QAbstractButtonPrivate::click (this=0xa1c8968) at widgets/qabstractbutton.cpp:528
#21 0x018ebfae in QAbstractButton::mouseReleaseEvent (this=0xa1c8880, e=0xbfe33670) at widgets/qabstractbutton.cpp:1121
#22 0x019cf09c in QToolButton::mouseReleaseEvent (this=0xa1c8880, e=0xbfe33670) at widgets/qtoolbutton.cpp:721
#23 0x0153e7f8 in QWidget::event (this=0xa1c8880, event=0xbfe33670) at kernel/qwidget.cpp:7998
#24 0x018ead4e in QAbstractButton::event (this=0xa1c8880, e=0x21) at widgets/qabstractbutton.cpp:1080
#25 0x019d1bca in QToolButton::event (this=0xa1c8880, event=0xbfe33670) at widgets/qtoolbutton.cpp:1163
#26 0x014e04dc in QApplicationPrivate::notify_helper (this=0x9eca118, receiver=0xa1c8880, e=0xbfe33670) at kernel/qapplication.cpp:4300
#27 0x014e79f7 in QApplication::notify (this=0xbfe33f20, receiver=0xa1c8880, e=0xbfe33670) at kernel/qapplication.cpp:3865
#28 0x011d340a in KApplication::notify (this=0xbfe33f20, receiver=0xa1c8880, event=0xbfe33670) at ../../kdeui/kernel/kapplication.cpp:302
#29 0x0974ea3b in QCoreApplication::notifyInternal (this=0xbfe33f20, receiver=0xa1c8880, event=0xbfe33670) at kernel/qcoreapplication.cpp:704
#30 0x014e6952 in QCoreApplication::sendEvent (receiver=0xa1c8880, event=0xbfe33670, alienWidget=0xa1c8880, nativeWidget=0xa10d588, buttonDown=0x1e24058, lastMouseReceiver=..., spontaneous=true)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#31 QApplicationPrivate::sendMouseEvent (receiver=0xa1c8880, event=0xbfe33670, alienWidget=0xa1c8880, nativeWidget=0xa10d588, buttonDown=0x1e24058, lastMouseReceiver=..., spontaneous=true)
    at kernel/qapplication.cpp:2965
#32 0x01572088 in QETWidget::translateMouseEvent (this=0xa10d588, event=0xbfe33b8c) at kernel/qapplication_x11.cpp:4368
#33 0x01571511 in QApplication::x11ProcessEvent (this=0xbfe33f20, event=0xbfe33b8c) at kernel/qapplication_x11.cpp:3379
#34 0x015a060a in x11EventSourceDispatch (s=0x9ecd340, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#35 0x00d745e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#36 0x00d782d8 in ?? () from /lib/libglib-2.0.so.0
#37 0x00d784b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#38 0x0977a5d5 in QEventDispatcherGlib::processEvents (this=0x9eacc20, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#39 0x015a0135 in QGuiEventDispatcherGlib::processEvents (this=0x9eacc20, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#40 0x0974d059 in QEventLoop::processEvents (this=0xbfe33e84, flags=) at kernel/qeventloop.cpp:149
#41 0x0974d4aa in QEventLoop::exec (this=0xbfe33e84, flags=...) at kernel/qeventloop.cpp:201
#42 0x0975169f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#43 0x014e0577 in QApplication::exec () at kernel/qapplication.cpp:3579
#44 0x086ac645 in main (argc=3, argv=0xbfe340d4) at ../../../umbrello/umbrello/main.cpp:111

Possible duplicates by query: bug 237583, bug 229635.

Reported using DrKonqi