Application: umbrello (2.5.5)
KDE Platform Version: 4.5.5 (KDE 4.5.5)
Qt Version: 4.7.1
Operating System: Linux 2.6.35.10-74.fc14.i686.PAE i686
Distribution: "Fedora release 14 (Laughlin)"

-- Information about the crash:
- What I was doing when the application crashed:
1. Open diagram with tabs
2. Open Settings - Configure Umbrello UML Modeller - General
3. Uncheck  Use tabbed diagrams option
4. Click Apply
Umbrello crashes

The crash can be reproduced every time.

-- Backtrace:
Application: Umbrello UML Modeller (umbrello), signal: Segmentation fault
[KCrash Handler]
#7  0x06e5ab18 in QTabBar::removeTab (this=0xa64f2e0, index=0) at widgets/qtabbar.cpp:937
#8  0x06e5ec06 in QTabWidgetPrivate::_q_removeTab (this=0xa657630, index=0) at widgets/qtabwidget.cpp:745
#9  0x06e60192 in QTabWidget::qt_metacall (this=0xa644708, _c=QMetaObject::InvokeMetaMethod, _id=10, _a=0xbfb7e878) at .moc/release-shared/moc_qtabwidget.cpp:143
#10 0x075e0b5b in KTabWidget::qt_metacall (this=0xa644708, _c=QMetaObject::InvokeMetaMethod, _id=37, _a=0xbfb7e878) at /usr/src/debug/kdelibs-4.5.5/i686-redhat-linux-gnu/kdeui/ktabwidget.moc:128
#11 0x05fbeb6b in QMetaObject::metacall (object=0xa644708, cl=QMetaObject::InvokeMetaMethod, idx=37, argv=0xbfb7e878) at kernel/qmetaobject.cpp:237
#12 0x05fce047 in QMetaObject::activate (sender=0xa64ede8, m=0x72eb6f8, local_signal_index=1, argv=0xbfb7e878) at kernel/qobject.cpp:3272
#13 0x0709a254 in QStackedWidget::widgetRemoved (this=0xa64ede8, _t1=0) at .moc/release-shared/moc_qstackedwidget.cpp:138
#14 0x0709a3b7 in QStackedWidget::qt_metacall (this=0xa64ede8, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbfb7e988) at .moc/release-shared/moc_qstackedwidget.cpp:89
#15 0x05fbeb6b in QMetaObject::metacall (object=0xa64ede8, cl=QMetaObject::InvokeMetaMethod, idx=28, argv=0xbfb7e988) at kernel/qmetaobject.cpp:237
#16 0x05fce047 in QMetaObject::activate (sender=0xa657498, m=0x72e8198, local_signal_index=0, argv=0xbfb7e988) at kernel/qobject.cpp:3272
#17 0x0708f644 in QStackedLayout::widgetRemoved (this=0xa657498, _t1=0) at .moc/release-shared/moc_qstackedlayout.cpp:140
#18 0x069cfda3 in QStackedLayout::takeAt (this=0xa657498, index=0) at kernel/qstackedlayout.cpp:272
#19 0x069c4754 in QLayout::removeWidget (this=0xa657498, widget=0xa9474f0) at kernel/qlayout.cpp:1457
#20 0x06e5075e in QStackedWidget::removeWidget (this=0xa64ede8, widget=0xa9474f0) at widgets/qstackedwidget.cpp:199
#21 0x06e5d579 in QTabWidget::removeTab (this=0xa644708, index=0) at widgets/qtabwidget.cpp:610
#22 0x075e196f in KTabWidget::Private::removeTab (this=0xa6556b0, index=0) at /usr/src/debug/kdelibs-4.5.5/kdeui/widgets/ktabwidget.cpp:130
#23 0x075e1a35 in KTabWidget::removeTab (this=0xa644708, index=0) at /usr/src/debug/kdelibs-4.5.5/kdeui/widgets/ktabwidget.cpp:612
#24 0x085aee22 in UMLApp::slotApplyPrefs (this=0xa562768) at /usr/src/debug/kdesdk-4.5.5/umbrello/umbrello/uml.cpp:1639
#25 0x085af77d in UMLApp::qt_metacall (this=0xa562768, _c=QMetaObject::InvokeMetaMethod, _id=37, _a=0xbfb7ed6c) at /usr/src/debug/kdesdk-4.5.5/i686-redhat-linux-gnu/umbrello/umbrello/uml.moc:265
#26 0x05fbeb6b in QMetaObject::metacall (object=0xa562768, cl=QMetaObject::InvokeMetaMethod, idx=83, argv=0xbfb7ed6c) at kernel/qmetaobject.cpp:237
#27 0x05fce047 in QMetaObject::activate (sender=0xa87b548, m=0x872be68, local_signal_index=7, argv=0x0) at kernel/qobject.cpp:3272
#28 0x074310e8 in KDialog::applyClicked (this=0xa87b548) at /usr/src/debug/kdelibs-4.5.5/i686-redhat-linux-gnu/kdeui/kdialog.moc:246
#29 0x0743186f in KDialog::slotButtonClicked (this=0xa87b548, button=8) at /usr/src/debug/kdelibs-4.5.5/kdeui/dialogs/kdialog.cpp:875
#30 0x07431e1c in KDialog::qt_metacall (this=0xa87b548, _c=QMetaObject::InvokeMetaMethod, _id=33, _a=0xbfb7ef78) at /usr/src/debug/kdelibs-4.5.5/i686-redhat-linux-gnu/kdeui/kdialog.moc:190
#31 0x0751040b in KPageDialog::qt_metacall (this=0xa87b548, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbfb7ef78) at /usr/src/debug/kdelibs-4.5.5/i686-redhat-linux-gnu/kdeui/kpagedialog.moc:70
#32 0x080b8d9d in SettingsDlg::qt_metacall (this=0xa87b548, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbfb7ef78) at /usr/src/debug/kdesdk-4.5.5/i686-redhat-linux-gnu/umbrello/umbrello/settingsdlg.moc:74
#33 0x05fbeb6b in QMetaObject::metacall (object=0xa87b548, cl=QMetaObject::InvokeMetaMethod, idx=69, argv=0xbfb7ef78) at kernel/qmetaobject.cpp:237
#34 0x05fce047 in QMetaObject::activate (sender=0xa6bfb78, m=0x60f3650, local_signal_index=0, argv=0xbfb7ef78) at kernel/qobject.cpp:3272
#35 0x05fd2c74 in QSignalMapper::mapped (this=0xa6bfb78, _t1=8) at .moc/release-shared/moc_qsignalmapper.cpp:101
#36 0x05fd2dc0 in QSignalMapper::map (this=0xa6bfb78, sender=0xa936c18) at kernel/qsignalmapper.cpp:266
#37 0x05fd2f7f in QSignalMapper::map (this=0xa6bfb78) at kernel/qsignalmapper.cpp:257
#38 0x05fd349b in QSignalMapper::qt_metacall (this=0xa6bfb78, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfb7f108) at .moc/release-shared/moc_qsignalmapper.cpp:87
#39 0x05fbeb6b in QMetaObject::metacall (object=0xa6bfb78, cl=QMetaObject::InvokeMetaMethod, idx=8, argv=0xbfb7f108) at kernel/qmetaobject.cpp:237
#40 0x05fce047 in QMetaObject::activate (sender=0xa936c18, m=0x72e98c4, local_signal_index=2, argv=0xbfb7f108) at kernel/qobject.cpp:3272
#41 0x07093dda in QAbstractButton::clicked (this=0xa936c18, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#42 0x06da03ea in QAbstractButtonPrivate::emitClicked (this=0xaa56f20) at widgets/qabstractbutton.cpp:546
#43 0x06da1ca5 in QAbstractButtonPrivate::click (this=0xaa56f20) at widgets/qabstractbutton.cpp:539
#44 0x06da1f5e in QAbstractButton::mouseReleaseEvent (this=0xa936c18, e=0xbfb7f874) at widgets/qabstractbutton.cpp:1121
#45 0x069ed85b in QWidget::event (this=0xa936c18, event=0xbfb7f874) at kernel/qwidget.cpp:8200
#46 0x06da0f9f in QAbstractButton::event (this=0xa936c18, e=0xbfb7f874) at widgets/qabstractbutton.cpp:1080
#47 0x06e41073 in QPushButton::event (this=0xa936c18, e=0xbfb7f874) at widgets/qpushbutton.cpp:683
#48 0x0699426c in QApplicationPrivate::notify_helper (this=0xa464bd8, receiver=0xa936c18, e=0xbfb7f874) at kernel/qapplication.cpp:4445
#49 0x0699988d in QApplication::notify (this=0xbfb81370, receiver=0xa936c18, e=0xbfb7f874) at kernel/qapplication.cpp:4006
#50 0x074d2f7b in KApplication::notify (this=0xbfb81370, receiver=0xa936c18, event=0xbfb7f874) at /usr/src/debug/kdelibs-4.5.5/kdeui/kernel/kapplication.cpp:310
#51 0x05fb8333 in QCoreApplication::notifyInternal (this=0xbfb81370, receiver=0xa936c18, event=0xbfb7f874) at kernel/qcoreapplication.cpp:732
#52 0x069951f8 in sendSpontaneousEvent (receiver=0xa936c18, event=0xbfb7f874, alienWidget=0xa936c18, nativeWidget=0xa87b548, buttonDown=0x72f2c80, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:218
#53 QApplicationPrivate::sendMouseEvent (receiver=0xa936c18, event=0xbfb7f874, alienWidget=0xa936c18, nativeWidget=0xa87b548, buttonDown=0x72f2c80, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3103
#54 0x06a1e524 in QETWidget::translateMouseEvent (this=0xa87b548, event=0xbfb7fdac) at kernel/qapplication_x11.cpp:4438
#55 0x06a1c957 in QApplication::x11ProcessEvent (this=0xbfb81370, event=0xbfb7fdac) at kernel/qapplication_x11.cpp:3564
#56 0x06a47790 in x11EventSourceDispatch (s=0xa467de8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#57 0x007b2192 in g_main_dispatch (context=0xa467090) at gmain.c:2149
#58 g_main_context_dispatch (context=0xa467090) at gmain.c:2702
#59 0x007b2978 in g_main_context_iterate (context=0xa467090, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2780
#60 0x007b2c35 in g_main_context_iteration (context=0xa467090, may_block=1) at gmain.c:2843
#61 0x05fe602d in QEventDispatcherGlib::processEvents (this=0xa447410, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#62 0x06a47406 in QGuiEventDispatcherGlib::processEvents (this=0xa447410, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#63 0x05fb74ca in QEventLoop::processEvents (this=0xbfb80080, flags=...) at kernel/qeventloop.cpp:149
#64 0x05fb777a in QEventLoop::exec (this=0xbfb80080, flags=...) at kernel/qeventloop.cpp:201
#65 0x06ec0d14 in QDialog::exec (this=0xa87b548) at dialogs/qdialog.cpp:552
#66 0x085af170 in UMLApp::slotPrefs (this=0xa562768) at /usr/src/debug/kdesdk-4.5.5/umbrello/umbrello/uml.cpp:1595
#67 0x085af76d in UMLApp::qt_metacall (this=0xa562768, _c=QMetaObject::InvokeMetaMethod, _id=36, _a=0xbfb80208) at /usr/src/debug/kdesdk-4.5.5/i686-redhat-linux-gnu/umbrello/umbrello/uml.moc:264
#68 0x05fbeb6b in QMetaObject::metacall (object=0xa562768, cl=QMetaObject::InvokeMetaMethod, idx=82, argv=0xbfb80208) at kernel/qmetaobject.cpp:237
#69 0x05fce047 in QMetaObject::activate (sender=0xa57b710, m=0x72d68f8, local_signal_index=1, argv=0xbfb80208) at kernel/qobject.cpp:3272
#70 0x0698cfca in QAction::triggered (this=0xa57b710, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#71 0x0698d24b in QAction::activate (this=0xa57b710, event=QAction::Trigger) at kernel/qaction.cpp:1257
#72 0x06e2cc2d in QMenuPrivate::activateCausedStack (this=0xa601ea0, causedStack=..., action=0xa57b710, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:993
#73 0x06e33783 in QMenuPrivate::activateAction (this=0xa601ea0, action=0xa57b710, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1085
#74 0x06e3466e in QMenu::mouseReleaseEvent (this=0xa601308, e=0xbfb80ab4) at widgets/qmenu.cpp:2301
#75 0x075bf135 in KMenu::mouseReleaseEvent (this=0xa601308, e=0xbfb80ab4) at /usr/src/debug/kdelibs-4.5.5/kdeui/widgets/kmenu.cpp:471
#76 0x069ed85b in QWidget::event (this=0xa601308, event=0xbfb80ab4) at kernel/qwidget.cpp:8200
#77 0x06e34b37 in QMenu::event (this=0xa601308, e=0xbfb80ab4) at widgets/qmenu.cpp:2410
#78 0x0699426c in QApplicationPrivate::notify_helper (this=0xa464bd8, receiver=0xa601308, e=0xbfb80ab4) at kernel/qapplication.cpp:4445
#79 0x0699988d in QApplication::notify (this=0xbfb81370, receiver=0xa601308, e=0xbfb80ab4) at kernel/qapplication.cpp:4006
#80 0x074d2f7b in KApplication::notify (this=0xbfb81370, receiver=0xa601308, event=0xbfb80ab4) at /usr/src/debug/kdelibs-4.5.5/kdeui/kernel/kapplication.cpp:310
#81 0x05fb8333 in QCoreApplication::notifyInternal (this=0xbfb81370, receiver=0xa601308, event=0xbfb80ab4) at kernel/qcoreapplication.cpp:732
#82 0x069951f8 in sendSpontaneousEvent (receiver=0xa601308, event=0xbfb80ab4, alienWidget=0x0, nativeWidget=0xa601308, buttonDown=0x72f2c80, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:218
#83 QApplicationPrivate::sendMouseEvent (receiver=0xa601308, event=0xbfb80ab4, alienWidget=0x0, nativeWidget=0xa601308, buttonDown=0x72f2c80, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3103
#84 0x06a1e72c in QETWidget::translateMouseEvent (this=0xa601308, event=0xbfb80fec) at kernel/qapplication_x11.cpp:4372
#85 0x06a1c957 in QApplication::x11ProcessEvent (this=0xbfb81370, event=0xbfb80fec) at kernel/qapplication_x11.cpp:3564
#86 0x06a47790 in x11EventSourceDispatch (s=0xa467de8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#87 0x007b2192 in g_main_dispatch (context=0xa467090) at gmain.c:2149
#88 g_main_context_dispatch (context=0xa467090) at gmain.c:2702
#89 0x007b2978 in g_main_context_iterate (context=0xa467090, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2780
#90 0x007b2c35 in g_main_context_iteration (context=0xa467090, may_block=1) at gmain.c:2843
#91 0x05fe602d in QEventDispatcherGlib::processEvents (this=0xa447410, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#92 0x06a47406 in QGuiEventDispatcherGlib::processEvents (this=0xa447410, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#93 0x05fb74ca in QEventLoop::processEvents (this=0xbfb812c4, flags=...) at kernel/qeventloop.cpp:149
#94 0x05fb777a in QEventLoop::exec (this=0xbfb812c4, flags=...) at kernel/qeventloop.cpp:201
#95 0x05fbc327 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#96 0x06992078 in QApplication::exec () at kernel/qapplication.cpp:3719
#97 0x0857a2fd in main (argc=) at /usr/src/debug/kdesdk-4.5.5/umbrello/umbrello/main.cpp:111

Reported using DrKonqi