Application: umbrello (2.5.5)
KDE Platform Version: 4.5.5 (KDE 4.5.5)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-32-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:
Resizing window seperator between class diagram pane and UML Model pane.

-- Backtrace:
Application: Umbrello UML Modeller (umbrello), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fd0cd9bd760 (LWP 348))]

Thread 2 (Thread 0x7fd0c1b08700 (LWP 349)):
#0  0x00007fd0c9553203 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd0c5062009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fd0c50627b5 in g_main_loop_run () from /lib/libglib-2.0.so.0
#3  0x00007fd0c223f3c4 in ?? () from /usr/lib/libgio-2.0.so.0
#4  0x00007fd0c50877e4 in ?? () from /lib/libglib-2.0.so.0
#5  0x00007fd0ca49f971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#6  0x00007fd0c955f92d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd0cd9bd760 (LWP 348)):
[KCrash Handler]
#6  deref (this=0x1def500, other=...) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86_64.h:133
#7  QString::operator= (this=0x1def500, other=...) at tools/qstring.cpp:1324
#8  0x0000000000a5f29d in UMLObject::setNamecmd (this=0x1def4d0, strName=...) at ../../../umbrello/umbrello/umlobject.cpp:177
#9  0x00007fd0cb3c0963 in QUndoStack::setIndex (this=<value optimized out>, idx=21) at util/qundostack.cpp:740
#10 0x00007fd0cb3c20ab in QUndoModel::setStackCurrentIndex (this=0x1c006d0, index=...) at util/qundoview.cpp:160
#11 0x00007fd0cb3c23eb in QUndoModel::qt_metacall (this=0x1c006d0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff2aee0dd0) at .moc/release-shared/qundoview.moc:79
#12 0x00007fd0ca835b27 in QMetaObject::activate (sender=0x1bfd9a0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff2aee0dd0) at kernel/qobject.cpp:3280
#13 0x00007fd0cb2af61a in QItemSelectionModel::currentChanged (this=0x1def500, _t1=<value optimized out>, _t2=<value optimized out>) at .moc/release-shared/moc_qitemselectionmodel.cpp:159
#14 0x00007fd0cb2af762 in QItemSelectionModel::setCurrentIndex (this=0x1bfd9a0, index=..., command=<value optimized out>) at itemviews/qitemselectionmodel.cpp:1156
#15 0x00007fd0cb25f144 in QAbstractItemView::mousePressEvent (this=0x1c03b00, event=<value optimized out>) at itemviews/qabstractitemview.cpp:1657
#16 0x00007fd0cad5f035 in QWidget::event (this=0x1c03b00, event=0x7fff2aee1d20) at kernel/qwidget.cpp:8183
#17 0x00007fd0cb12a5e6 in QFrame::event (this=0x1c03b00, e=0x7fff2aee1d20) at widgets/qframe.cpp:557
#18 0x00007fd0cb263a8b in QAbstractItemView::viewportEvent (this=0x1c03b00, event=0x7fff2aee1d20) at itemviews/qabstractitemview.cpp:1619
#19 0x00007fd0ca81d507 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x1bfe580, event=0x7fff2aee1d20) at kernel/qcoreapplication.cpp:847
#20 0x00007fd0cad08fac in QApplicationPrivate::notify_helper (this=0x181e180, receiver=0x1bfe580, e=0x7fff2aee1d20) at kernel/qapplication.cpp:4392
#21 0x00007fd0cad0f30e in QApplication::notify (this=0x7fff2aee2a30, receiver=0x1bfe580, e=0x7fff2aee1d20) at kernel/qapplication.cpp:3959
#22 0x00007fd0cc183586 in KApplication::notify (this=0x7fff2aee2a30, receiver=0x1bfe580, event=0x7fff2aee1d20) at ../../kdeui/kernel/kapplication.cpp:310
#23 0x00007fd0ca81dcdc in QCoreApplication::notifyInternal (this=0x7fff2aee2a30, receiver=0x1bfe580, event=0x7fff2aee1d20) at kernel/qcoreapplication.cpp:732
#24 0x00007fd0cad0ddbe in sendEvent (receiver=0x1bfe580, event=0x7fff2aee1d20, alienWidget=0x1bfe580, nativeWidget=0x1bf78b0, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#25 QApplicationPrivate::sendMouseEvent (receiver=0x1bfe580, event=0x7fff2aee1d20, alienWidget=0x1bfe580, nativeWidget=0x1bf78b0, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:3058
#26 0x00007fd0cad91345 in QETWidget::translateMouseEvent (this=0x1bf78b0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4403
#27 0x00007fd0cad8fc5c in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff2aee2640) at kernel/qapplication_x11.cpp:3536
#28 0x00007fd0cadbc0e2 in x11EventSourceDispatch (s=0x1821fa0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#29 0x00007fd0c505e342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#30 0x00007fd0c50622a8 in ?? () from /lib/libglib-2.0.so.0
#31 0x00007fd0c506245c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#32 0x00007fd0ca84a193 in QEventDispatcherGlib::processEvents (this=0x17f6410, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#33 0x00007fd0cadbba4e in QGuiEventDispatcherGlib::processEvents (this=0x1def500, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#34 0x00007fd0ca81ca02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#35 0x00007fd0ca81cdec in QEventLoop::exec (this=0x7fff2aee2970, flags=) at kernel/qeventloop.cpp:201
#36 0x00007fd0ca820ebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#37 0x00000000009fd595 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../umbrello/umbrello/main.cpp:111

Reported using DrKonqi