Bug 315340

Application: umbrello (2.8.5)
KDE Platform Version: 4.8.5 (4.8.5) (Compiled from sources)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-23-generic i686
Distribution: Peppermint Three

-- Information about the crash:
- What I was doing when the application crashed:
I was creating a class diagram and use cases. Simple use case for Atm and airport checking and library domain nodel.

The crash can be reproduced every time.

-- Backtrace:
Application: Umbrello UML Modeller (umbrello), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#7  0x082b060b in Uml::CmdCreateWidget::undo (this=0xa1b4210) at ../../../umbrello/umbrello/cmds/widget/cmd_create_widget.cpp:48
#8  0x050a1b6f in QUndoStack::undo (this=0xa0332f8) at util/qundostack.cpp:701
#9  0x050c9d20 in qt_static_metacall (_a=0xbf817658, _id=8, _o=0xa0332f8, _c=<optimized out>) at .moc/release-shared/moc_qundostack.cpp:82
#10 QUndoStack::qt_static_metacall (_o=0xa0332f8, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbf817658) at .moc/release-shared/moc_qundostack.cpp:68
#11 0x0881e6b1 in QMetaObject::activate (sender=0x9fbeb58, m=0x52fd3f8, local_signal_index=1, argv=0xbf817658) at kernel/qobject.cpp:3547
#12 0x0497e9bd in QAction::triggered (this=0x9fbeb58, _t1=false) at .moc/release-shared/moc_qaction.cpp:277
#13 0x0497ec5b in QAction::activate (this=0x9fbeb58, event=QAction::Trigger) at kernel/qaction.cpp:1257
#14 0x0497edf0 in QAction::event (this=0xa231f70, e=0xa1cca189) at kernel/qaction.cpp:1183
#15 0x04985ed4 in notify_helper (e=0xbf817ab8, receiver=0x9fbeb58, this=0x9e6f100) at kernel/qapplication.cpp:4559
#16 QApplicationPrivate::notify_helper (this=0x9e6f100, receiver=0x9fbeb58, e=0xbf817ab8) at kernel/qapplication.cpp:4531
#17 0x0498b30d in QApplication::notify (this=0xbf817ab8, receiver=0x9fbeb58, e=0xbf817ab8) at kernel/qapplication.cpp:4288
#18 0x00e0de01 in KApplication::notify (this=0xbf8188bc, receiver=0x9fbeb58, event=0xbf817ab8) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x0880797e in QCoreApplication::notifyInternal (this=0xbf8188bc, receiver=0x9fbeb58, event=0xbf817ab8) at kernel/qcoreapplication.cpp:876
#20 0x049be5f7 in sendEvent (event=0xbf817ab8, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#21 QShortcutMap::dispatchEvent (this=0x9e6f1a8, e=0xbf817ef4) at kernel/qshortcutmap.cpp:879
#22 0x049bfbd5 in QShortcutMap::tryShortcutEvent (this=0x9e6f1a8, o=0xa0e0900, e=0xbf817ef4) at kernel/qshortcutmap.cpp:364
#23 0x0498d1ec in QApplication::notify (this=0xa0e0900, receiver=0xa0e0900, e=0xbf817ef4) at kernel/qapplication.cpp:3983
#24 0x00e0de01 in KApplication::notify (this=0xbf8188bc, receiver=0xa0e0900, event=0xbf817ef4) at ../../kdeui/kernel/kapplication.cpp:311
#25 0x0880797e in QCoreApplication::notifyInternal (this=0xbf8188bc, receiver=0xa0e0900, event=0xbf817ef4) at kernel/qcoreapplication.cpp:876
#26 0x04983ced in sendSpontaneousEvent (event=0xbf817ef4, receiver=0xa0e0900) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#27 qt_sendSpontaneousEvent (receiver=0xa0e0900, event=0xbf817ef4) at kernel/qapplication.cpp:5557
#28 0x04a3a401 in QKeyMapper::sendKeyEvent (keyWidget=0xa0e0900, grab=false, type=QEvent::KeyPress, code=90, modifiers=..., text=..., autorepeat=false, count=-1082032396, nativeScanCode=170073968, nativeVirtualKey=170073968, nativeModifiers=170073968) at kernel/qkeymapper_x11.cpp:1866
#29 0x04a3a8ab in QKeyMapperPrivate::translateKeyEvent (this=0x9e90dd8, keyWidget=0xa0e0900, event=0xbf81851c, grab=false) at kernel/qkeymapper_x11.cpp:1836
#30 0x04a117b5 in QApplication::x11ProcessEvent (this=0xbf8188bc, event=0xbf81851c) at kernel/qapplication_x11.cpp:3625
#31 0x04a3eeac in x11EventSourceDispatch (s=0x9e71400, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#32 0x0115cd86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#33 0x0115d125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#34 0x0115d201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#35 0x0883a887 in QEventDispatcherGlib::processEvents (this=0x9e4d740, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#36 0x04a3eaaa in QGuiEventDispatcherGlib::processEvents (this=0x9e4d740, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x0880650d in QEventLoop::processEvents (this=0xbf818814, flags=...) at kernel/qeventloop.cpp:149
#38 0x088067a9 in QEventLoop::exec (this=0xbf818814, flags=...) at kernel/qeventloop.cpp:204
#39 0x0880beba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#40 0x04983a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#41 0x0807855b in main (argc=<error reading variable: Cannot access memory at address 0x0>, argv=<error reading variable: Cannot access memory at address 0x4>) at ../../../umbrello/umbrello/main.cpp:111

Reported using DrKonqi