Application: umbrello (2.6.5)
KDE Platform Version: 4.6.5 (4.6.5)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-13-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
I opened the properties of a class, I ticked the "Abstract" box, then clicked to Apply.

The crash can be reproduced every time.

-- Backtrace:
Application: Umbrello UML Modeller (umbrello), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f36a0d19780 (LWP 5816))]

Thread 3 (Thread 0x7f368d511700 (LWP 5817)):
#0  0x00007f369cb29f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f3699225104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3699225639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f369dbea446 in QEventDispatcherGlib::processEvents (this=0x2ad9cb0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f369dbbe882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f369dbbeabc in QEventLoop::exec (this=0x7f368d510dd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f369dad5924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f369dba0c2f in QInotifyFileSystemWatcherEngine::run (this=0x2ad9120) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f369dad8175 in QThreadPrivate::start (arg=0x2ad9120) at thread/qthread_unix.cpp:320
#9  0x00007f369c839d8c in start_thread (arg=0x7f368d511700) at pthread_create.c:304
#10 0x00007f369cb3704d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f3687fff700 (LWP 5818)):
#0  0x00007f369cb29f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f3699225104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3699225639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f369dbea446 in QEventDispatcherGlib::processEvents (this=0x2c19d40, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f369dbbe882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f369dbbeabc in QEventLoop::exec (this=0x7f3687ffedd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f369dad5924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f369dba0c2f in QInotifyFileSystemWatcherEngine::run (this=0x2c29f60) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f369dad8175 in QThreadPrivate::start (arg=0x2c29f60) at thread/qthread_unix.cpp:320
#9  0x00007f369c839d8c in start_thread (arg=0x7f3687fff700) at pthread_create.c:304
#10 0x00007f369cb3704d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f36a0d19780 (LWP 5816)):
[KCrash Handler]
#6  0x0000000000784570 in UMLListView::popupMenuSel (this=<value optimized out>, action=<value optimized out>) at ../../../umbrello/umbrello/umllistview.cpp:589
#7  0x000000000078c05f in UMLListView::qt_metacall (this=0x2a25f10, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0x7fff196847b0) at ./umllistview.moc:111
#8  0x00007f369dbd45f8 in QMetaObject::activate (sender=0x2c77a50, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff196847b0) at kernel/qobject.cpp:3287
#9  0x00007f369e4eb772 in QMenu::triggered (this=<value optimized out>, _t1=0x4a60840) at .moc/release-shared/moc_qmenu.cpp:164
#10 0x00007f369e4ec6bb in QMenuPrivate::_q_actionTriggered (this=0x2e63520) at widgets/qmenu.cpp:1111
#11 0x00007f369e4f1142 in QMenu::qt_metacall (this=0x2c77a50, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0x7fff19684970) at .moc/release-shared/moc_qmenu.cpp:105
#12 0x00007f369f5c1d20 in KMenu::qt_metacall (this=0x2c77a50, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff19684970) at ./kmenu.moc:76
#13 0x00007f369dbd45f8 in QMetaObject::activate (sender=0x4a60840, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff19684970) at kernel/qobject.cpp:3287
#14 0x00007f369e0a7122 in QAction::triggered (this=<value optimized out>, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#15 0x00007f369e0a730f in QAction::activate (this=0x4a60840, event=<value optimized out>) at kernel/qaction.cpp:1257
#16 0x00007f369e4eb9f3 in QMenuPrivate::activateCausedStack (this=0x2e63520, causedStack=..., action=0x4a60840, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:993
#17 0x00007f369e4f19aa in QMenuPrivate::activateAction (this=0x2e63520, action=0x4a60840, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1085
#18 0x00007f369f5c0bfd in KMenu::mouseReleaseEvent (this=0x2c77a50, e=<value optimized out>) at ../../kdeui/widgets/kmenu.cpp:458
#19 0x00007f369e0fecc8 in QWidget::event (this=0x2c77a50, event=0x7fff196855a0) at kernel/qwidget.cpp:8259
#20 0x00007f369e4f2b8b in QMenu::event (this=0x2c77a50, e=0x7fff196855a0) at widgets/qmenu.cpp:2415
#21 0x00007f369e0ad9f4 in QApplicationPrivate::notify_helper (this=0x26e69a0, receiver=0x2c77a50, e=0x7fff196855a0) at kernel/qapplication.cpp:4462
#22 0x00007f369e0b2dc3 in QApplication::notify (this=<value optimized out>, receiver=0x2c77a50, e=0x7fff196855a0) at kernel/qapplication.cpp:4023
#23 0x00007f369f4fa6c6 in KApplication::notify (this=0x7fff19686290, receiver=0x2c77a50, event=0x7fff196855a0) at ../../kdeui/kernel/kapplication.cpp:311
#24 0x00007f369dbbf49c in QCoreApplication::notifyInternal (this=0x7fff19686290, receiver=0x2c77a50, event=0x7fff196855a0) at kernel/qcoreapplication.cpp:731
#25 0x00007f369e0aea1d in sendEvent (receiver=0x2c77a50, event=0x7fff196855a0, alienWidget=0x0, nativeWidget=0x2c77a50, buttonDown=0x7f369eb91218, lastMouseReceiver=..., spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#26 QApplicationPrivate::sendMouseEvent (receiver=0x2c77a50, event=0x7fff196855a0, alienWidget=0x0, nativeWidget=0x2c77a50, buttonDown=0x7f369eb91218, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3122
#27 0x00007f369e1303e4 in QETWidget::translateMouseEvent (this=0x2c77a50, event=<value optimized out>) at kernel/qapplication_x11.cpp:4492
#28 0x00007f369e12eab7 in QApplication::x11ProcessEvent (this=0x7fff19686290, event=0x7fff19685ef0) at kernel/qapplication_x11.cpp:3680
#29 0x00007f369e157842 in x11EventSourceDispatch (s=0x26ea890, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#30 0x00007f3699224bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f36992253a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f3699225639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f369dbea3ef in QEventDispatcherGlib::processEvents (this=0x2677340, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#34 0x00007f369e1574de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#35 0x00007f369dbbe882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#36 0x00007f369dbbeabc in QEventLoop::exec (this=0x7fff196861f0, flags=...) at kernel/qeventloop.cpp:201
#37 0x00007f369dbc2ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#38 0x000000000072c594 in main (argc=1, argv=0x7fff19686728) at ../../../umbrello/umbrello/main.cpp:111

Possible duplicates by query: bug 280770, bug 274265, bug 268469.

Reported using DrKonqi