Application that crashed: umbrello
Version of the application: 2.3.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-16-generic i686
Distribution: Ubuntu 9.10

 -- Backtrace:
Application: Umbrello UML Modeller (umbrello), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7830920 (LWP 31604))]

Thread 2 (Thread 0xb3cfeb70 (LWP 31632)):
#0  0x005e5422 in __kernel_vsyscall ()
#1  0x00873e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0057878d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x04e90e67 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#4  0x09470922 in ?? () from /usr/lib/libQtNetwork.so.4
#5  0x04e8fe32 in ?? () from /usr/lib/libQtCore.so.4
#6  0x0086f80e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x0056b7ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7830920 (LWP 31604)):
[KCrash Handler]
#6  0x01760094 in QUndoStack::undo() () from /usr/lib/libQtGui.so.4
#7  0x01773003 in QUndoStack::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libQtGui.so.4
#8  0x00e9bd82 in KUndoStack::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#9  0x04f96263 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#10 0x04f966d8 in QMetaObject::activate(QObject*, QMetaObject const*, int, int, void**) () from /usr/lib/libQtCore.so.4
#11 0x010d59b1 in QAction::triggered(bool) () from /usr/lib/libQtGui.so.4
#12 0x010d6f32 in QAction::activate(QAction::ActionEvent) () from /usr/lib/libQtGui.so.4
#13 0x010d9a18 in QAction::event(QEvent*) () from /usr/lib/libQtGui.so.4
#14 0x010dbf54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#15 0x010e367c in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#16 0x00dfbbfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#17 0x04f806cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#18 0x01114dfd in ?? () from /usr/lib/libQtGui.so.4
#19 0x01116c7e in ?? () from /usr/lib/libQtGui.so.4
#20 0x010e4a0d in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x00dfbbfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#22 0x04f806cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#23 0x010dce2e in ?? () from /usr/lib/libQtGui.so.4
#24 0x01179440 in ?? () from /usr/lib/libQtGui.so.4
#25 0x0117b989 in ?? () from /usr/lib/libQtGui.so.4
#26 0x0114fed7 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#27 0x0117d502 in ?? () from /usr/lib/libQtGui.so.4
#28 0x01a10e78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#29 0x01a14720 in ?? () from /lib/libglib-2.0.so.0
#30 0x01a14853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#31 0x04fab02c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#32 0x0117cbe5 in ?? () from /usr/lib/libQtGui.so.4
#33 0x04f7ec79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x04f7f0ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#35 0x04f8153f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#36 0x010dbdd7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#37 0x086ec2b5 in ?? ()
#38 0x004b5b56 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#39 0x08073461 in _start ()

This bug may be a duplicate of or related to bug 194325

Reported using DrKonqi