Application: umbrello (2.8.3)
KDE Platform Version: 4.8.3 (4.8.3)
Qt Version: 4.8.1
Operating System: Linux 3.3.7-1.fc16.x86_64 x86_64

-- Information about the crash:
- What I was doing when the application crashed: i was closing a big project button close project.

The stack said that the issue come from a destructor "combinedfragment" !

The crash can be reproduced every time.

-- Backtrace:
Application: Umbrello - Outil de modélisation UML (umbrello), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[KCrash Handler]
#6  0x0000000002845e5a in ?? ()
#7  0x0000000000680009 in CombinedFragmentWidget::~CombinedFragmentWidget (this=0x30aaf70, __in_chrg=<optimized out>) at /usr/src/debug/kdesdk-4.8.3/umbrello/umbrello/widgets/combinedfragmentwidget.cpp:40
#8  0x0000000000680109 in CombinedFragmentWidget::~CombinedFragmentWidget (this=0x30aaf70, __in_chrg=<optimized out>) at /usr/src/debug/kdesdk-4.8.3/umbrello/umbrello/widgets/combinedfragmentwidget.cpp:42
#9  0x000000331b1fa81f in Q3Canvas::~Q3Canvas() () from /usr/lib64/libQt3Support.so.4
#10 0x000000000078e949 in UMLViewCanvas::~UMLViewCanvas (this=0x30a0650, __in_chrg=<optimized out>) at /usr/src/debug/kdesdk-4.8.3/umbrello/umbrello/umlviewcanvas.cpp:38
#11 0x000000000077cb72 in UMLView::~UMLView (this=0x309ecd0, __in_chrg=<optimized out>) at /usr/src/debug/kdesdk-4.8.3/umbrello/umbrello/umlview.cpp:215
#12 0x000000000077ce49 in UMLView::~UMLView (this=0x309ecd0, __in_chrg=<optimized out>) at /usr/src/debug/kdesdk-4.8.3/umbrello/umbrello/umlview.cpp:216
#13 0x000000000074de19 in UMLDoc::removeView (this=0x1ce40b0, view=0x309ecd0, enforceCurrentView=false) at /usr/src/debug/kdesdk-4.8.3/umbrello/umbrello/umldoc.cpp:218
#14 0x00000000006e24e0 in UMLFolder::removeAllViews (this=0x1d576b0) at /usr/src/debug/kdesdk-4.8.3/umbrello/umbrello/folder.cpp:234
#15 0x000000000073da79 in UMLDoc::removeAllViews (this=0x1ce40b0) at /usr/src/debug/kdesdk-4.8.3/umbrello/umbrello/umldoc.cpp:2382
#16 0x000000000073db62 in UMLDoc::closeDocument (this=0x1ce40b0) at /usr/src/debug/kdesdk-4.8.3/umbrello/umbrello/umldoc.cpp:341
#17 0x0000000000746361 in UMLDoc::newDocument (this=0x1ce40b0) at /usr/src/debug/kdesdk-4.8.3/umbrello/umbrello/umldoc.cpp:372
#18 0x0000000000733c2f in UMLApp::slotFileNew (this=0x1cc3940) at /usr/src/debug/kdesdk-4.8.3/umbrello/umbrello/uml.cpp:1110
#19 0x0000000000733d6c in UMLApp::slotFileClose (this=0x1cc3940) at /usr/src/debug/kdesdk-4.8.3/umbrello/umbrello/uml.cpp:1263
#20 0x000000373a38d571 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib64/libQtCore.so.4
#21 0x000000373bbc39e2 in QAction::triggered(bool) () from /usr/lib64/libQtGui.so.4
#22 0x000000373bbc3bcf in QAction::activate(QAction::ActionEvent) () from /usr/lib64/libQtGui.so.4
#23 0x000000373c00bbe9 in ?? () from /usr/lib64/libQtGui.so.4
#24 0x000000373c011d32 in ?? () from /usr/lib64/libQtGui.so.4
#25 0x000000331b913200 in KMenu::mouseReleaseEvent (this=0x1e321e0, e=0x7fff51eb14a0) at /usr/src/debug/kdelibs-4.8.3/kdeui/widgets/kmenu.cpp:464
#26 0x000000373bc1a0da in QWidget::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#27 0x000000373c0132cb in QMenu::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#28 0x000000373bbc9bc4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#29 0x000000373bbcf313 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#30 0x000000331b851ff6 in KApplication::notify (this=0x7fff51eb21c0, receiver=0x1e321e0, event=0x7fff51eb14a0) at /usr/src/debug/kdelibs-4.8.3/kdeui/kernel/kapplication.cpp:311
#31 0x000000373a3798dc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#32 0x000000373bbcab92 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib64/libQtGui.so.4
#33 0x000000373bc46a61 in ?? () from /usr/lib64/libQtGui.so.4
#34 0x000000373bc4525a in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/libQtGui.so.4
#35 0x000000373bc6cbdc in ?? () from /usr/lib64/libQtGui.so.4
#36 0x00000037b7644f3d in g_main_dispatch (context=0x1a6e800) at gmain.c:2441
#37 g_main_context_dispatch (context=0x1a6e800) at gmain.c:3011
#38 0x00000037b7645738 in g_main_context_iterate (context=0x1a6e800, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3089
#39 0x00000037b764590c in g_main_context_iteration (context=0x1a6e800, may_block=1) at gmain.c:3152
#40 0x000000373a3a85bf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#41 0x000000373bc6c8ce in ?? () from /usr/lib64/libQtGui.so.4
#42 0x000000373a378a12 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#43 0x000000373a378c67 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#44 0x000000373a37d665 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#45 0x0000000000438e16 in main (argc=3, argv=0x7fff51eb25d8) at /usr/src/debug/kdesdk-4.8.3/umbrello/umbrello/main.cpp:111

Reported using DrKonqi