Application: calligrastage (2.6.3)
KDE Platform Version: 4.10.2
Qt Version: 4.8.2
Operating System: Linux 3.9-0.towo-siduction-amd64 x86_64
Distribution: Debian GNU/Linux 7.0 (wheezy)

-- Information about the crash:
- What I was doing when the application crashed:
Minimum steps to reproduce: open existing or create new presentation in Calligra Stage, toggle Tools Options pane to be organized in tabs, close Calligra Stage => crash. On reopening Tools Options pane keeps it's size and position but is not organized in tabs.

- Custom settings of the application:

Trying to set Tools Options pane to be organized in tabs.

The crash can be reproduced every time.

-- Backtrace:
Application: Stage (calligrastage), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007ffbdb153fcd in QObject::~QObject (this=0x3454700, __in_chrg=<optimized out>) at kernel/qobject.cpp:820
#7  0x00007ffbdb154839 in QObject::~QObject (this=0x3454700, __in_chrg=<optimized out>) at kernel/qobject.cpp:940
#8  0x00007ffbd9190ede in qDeleteAll<QList<QWidget*>::const_iterator> (end=..., begin=...) at /usr/include/qt4/QtCore/qalgorithms.h:322
#9  qDeleteAll<QList<QWidget*> > (c=...) at /usr/include/qt4/QtCore/qalgorithms.h:330
#10 ~KoToolBasePrivate (this=0x335c3b0, __in_chrg=<optimized out>) at ../../../libs/flake/KoToolBase_p.h:61
#11 KoToolBase::~KoToolBase (this=0x335c1f0, __in_chrg=<optimized out>) at ../../../libs/flake/KoToolBase.cpp:52
#12 0x00007ffbc2d9be39 in DefaultTool::~DefaultTool (this=0x335c1f0, __in_chrg=<optimized out>) at ../../../plugins/defaultTools/defaulttool/DefaultTool.cpp:186
#13 0x00007ffbd91a48a6 in KoToolManager::Private::detachCanvas (this=0x2d37c70, controller=0x7ffbdb1a03c8, controller@entry=0x2d37d88) at ../../../libs/flake/KoToolManager.cpp:478
#14 0x00007ffbd91a4d8d in KoToolManager::removeCanvasController (this=0x2d37bc0, controller=0x2d37d88) at ../../../libs/flake/KoToolManager.cpp:815
#15 0x00007ffbc66cdd68 in KoPAView::~KoPAView (this=0x27bcb10, __vtt_parm=0x7ffbc6bd0328, __in_chrg=<optimized out>) at ../../../libs/kopageapp/KoPAView.cpp:178
#16 0x00007ffbc695b929 in KPrView::~KPrView (this=0x27bcb10, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../stage/part/KPrView.cpp:118
#17 0x00007ffbc695b989 in KPrView::~KPrView (this=0x27bcb10, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../stage/part/KPrView.cpp:124
#18 0x00007ffbdc6e9814 in KoMainWindow::setRootDocument (this=this@entry=0x2270050, doc=doc@entry=0x0, rootPart=rootPart@entry=0x0) at ../../../libs/main/KoMainWindow.cpp:536
#19 0x00007ffbdc6ea5de in KoMainWindow::closeEvent (this=0x2270050, e=0x7fffa34a8db0) at ../../../libs/main/KoMainWindow.cpp:1142
#20 0x00007ffbdbb9e1c2 in QWidget::event (this=0x2270050, event=0x7fffa34a8db0) at kernel/qwidget.cpp:8529
#21 0x00007ffbdbf6221b in QMainWindow::event (this=0x2270050, event=0x7fffa34a8db0) at widgets/qmainwindow.cpp:1478
#22 0x00007ffbd81ed038 in KXmlGuiWindow::event (this=0x2270050, ev=0x7fffa34a8db0) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:126
#23 0x00007ffbdbb4e70c in QApplicationPrivate::notify_helper (this=this@entry=0x1fe8530, receiver=receiver@entry=0x2270050, e=e@entry=0x7fffa34a8db0) at kernel/qapplication.cpp:4556
#24 0x00007ffbdbb52b8a in QApplication::notify (this=0x7fffa34a97c0, receiver=0x2270050, e=0x7fffa34a8db0) at kernel/qapplication.cpp:4417
#25 0x00007ffbdc6a69c8 in KoApplication::notify (this=<optimized out>, receiver=0x2270050, event=0x7fffa34a8db0) at ../../../libs/main/KoApplication.cpp:528
#26 0x00007ffbdb13db5e in QCoreApplication::notifyInternal (this=0x7fffa34a97c0, receiver=0x2270050, event=0x7fffa34a8db0) at kernel/qcoreapplication.cpp:915
#27 0x00007ffbdbb97c61 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#28 QWidgetPrivate::close_helper (this=0x2285220, mode=QWidgetPrivate::CloseWithSpontaneousEvent) at kernel/qwidget.cpp:7937
#29 0x00007ffbdbbcaa7f in QApplication::x11ClientMessage (this=<optimized out>, w=0x2270050, event=<optimized out>, passive_only=<optimized out>) at kernel/qapplication_x11.cpp:3160
#30 0x00007ffbdbbc92a2 in QApplication::x11ProcessEvent (this=0x7fffa34a97c0, event=0x7fffa34a9370) at kernel/qapplication_x11.cpp:3785
#31 0x00007ffbdbbefbc2 in x11EventSourceDispatch (s=0x1fe6b90, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#32 0x00007ffbd6e71355 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007ffbd6e71688 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007ffbd6e71744 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007ffbdb16c296 in QEventDispatcherGlib::processEvents (this=0x1f69b30, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#36 0x00007ffbdbbef83e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007ffbdb13c8af in QEventLoop::processEvents (this=this@entry=0x7fffa34a9740, flags=...) at kernel/qeventloop.cpp:149
#38 0x00007ffbdb13cb38 in QEventLoop::exec (this=0x7fffa34a9740, flags=...) at kernel/qeventloop.cpp:204
#39 0x00007ffbdb141cf8 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#40 0x00007ffbdcd96175 in kdemain (argc=<optimized out>, argv=0x7fffa34a98d8) at ../../../stage/part/main.cpp:44
#41 0x00007ffbdca28ead in __libc_start_main (main=<optimized out>, argc=<optimized out>, ubp_av=<optimized out>, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffa34a98c8) at libc-start.c:228
#42 0x0000000000400771 in _start ()

Reported using DrKonqi