Application: umbrello (2.7.2)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic-pae i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:

Left-clicked on item in command history while in use-case creation, application crashed.

-- Backtrace:
Application: Umbrello UML Modeller (umbrello), signal: Segmentation fault
[Current thread is 1 (Thread 0xb4aedab0 (LWP 20696))]

Thread 3 (Thread 0xb291fb70 (LWP 20700)):
#0  0xb5801d44 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb58f2f54 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb5016f1f in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb50178f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb5017c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb5f25b37 in QEventDispatcherGlib::processEvents (this=0x8d9eae8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0xb5ef61dd in QEventLoop::processEvents (this=0xb291f2b0, flags=...) at kernel/qeventloop.cpp:149
#7  0xb5ef6421 in QEventLoop::exec (this=0xb291f2b0, flags=...) at kernel/qeventloop.cpp:201
#8  0xb5df990b in QThread::exec (this=0x8d9b000) at thread/qthread.cpp:498
#9  0xb5ed6e2d in QInotifyFileSystemWatcherEngine::run (this=0x8d9b000) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb5dfc7b3 in QThreadPrivate::start (arg=0x8d9b000) at thread/qthread_unix.cpp:331
#11 0xb57fed31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb58e50ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xb18cdb70 (LWP 21110)):
#0  0xb5800d9f in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb58f2f14 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb5016f53 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb50178f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb5017c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb5f25b37 in QEventDispatcherGlib::processEvents (this=0x940af70, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0xb5ef61dd in QEventLoop::processEvents (this=0xb18cd2b0, flags=...) at kernel/qeventloop.cpp:149
#7  0xb5ef6421 in QEventLoop::exec (this=0xb18cd2b0, flags=...) at kernel/qeventloop.cpp:201
#8  0xb5df990b in QThread::exec (this=0x8e443a0) at thread/qthread.cpp:498
#9  0xb5ed6e2d in QInotifyFileSystemWatcherEngine::run (this=0x8e443a0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb5dfc7b3 in QThreadPrivate::start (arg=0x8e443a0) at thread/qthread_unix.cpp:331
#11 0xb57fed31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb58e50ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb4aedab0 (LWP 20696)):
[KCrash Handler]
#7  0xb5a6e625 in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&) () from /usr/lib/i386-linux-gnu/libstdc++.so.6
#8  0x08296cc9 in ?? ()
#9  0xb6883797 in QUndoStack::setIndex (this=0x8aba1f8, idx=1) at util/qundostack.cpp:740
#10 0xb68854f7 in QUndoModel::setStackCurrentIndex (this=0x8d81740, index=...) at util/qundoview.cpp:160
#11 0xb6885765 in QUndoModel::qt_metacall (this=0x8d81740, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbff50464) at .moc/release-shared/qundoview.moc:79
#12 0xb5efdb7d in metacall (argv=0xbff50464, idx=27, cl=QMetaObject::InvokeMetaMethod, object=0x8d81740) at kernel/qmetaobject.cpp:237
#13 QMetaObject::metacall (object=0x8d81740, cl=QMetaObject::InvokeMetaMethod, idx=27, argv=0xbff50464) at kernel/qmetaobject.cpp:232
#14 0xb5f0ca6a in QMetaObject::activate (sender=0x8d819c0, m=0xb6adfd68, local_signal_index=1, argv=0xbff50464) at kernel/qobject.cpp:3278
#15 0xb6779afd in QItemSelectionModel::currentChanged (this=0x8d819c0, _t1=..., _t2=...) at .moc/release-shared/moc_qitemselectionmodel.cpp:159
#16 0xb6779c7c in QItemSelectionModel::setCurrentIndex (this=0x8d819c0, index=..., command=...) at itemviews/qitemselectionmodel.cpp:1169
#17 0xb6720bbd in QAbstractItemView::mousePressEvent (this=0x8d7df58, event=0xbff50cfc) at itemviews/qabstractitemview.cpp:1666
#18 0xb61e4424 in QWidget::event (this=0x8d7df58, event=0xbff50cfc) at kernel/qwidget.cpp:8291
#19 0xb65e9235 in QFrame::event (this=0x8d7df58, e=0xbff50cfc) at widgets/qframe.cpp:557
#20 0xb667b7d1 in QAbstractScrollArea::viewportEvent (this=0x8d7df58, e=0xbff50cfc) at widgets/qabstractscrollarea.cpp:1043
#21 0xb671db6c in QAbstractItemView::viewportEvent (this=0x8d7df58, event=0xbff50cfc) at itemviews/qabstractitemview.cpp:1628
#22 0xb667dee6 in viewportEvent (this=<optimized out>, event=0xbff50cfc) at widgets/qabstractscrollarea_p.h:100
#23 eventFilter (e=0xbff50cfc, this=<optimized out>, o=<optimized out>) at widgets/qabstractscrollarea_p.h:116
#24 QAbstractScrollAreaFilter::eventFilter (this=0x8d80050, o=0x8d7f0e8, e=0xbff50cfc) at widgets/qabstractscrollarea_p.h:115
#25 0xb5ef7336 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x8a1c200, receiver=0x8d7f0e8, event=0xbff50cfc) at kernel/qcoreapplication.cpp:902
#26 0xb6189d22 in notify_helper (e=0xbff50cfc, receiver=0x8d7f0e8, this=0x8a1c200) at kernel/qapplication.cpp:4482
#27 QApplicationPrivate::notify_helper (this=0x8a1c200, receiver=0x8d7f0e8, e=0xbff50cfc) at kernel/qapplication.cpp:4458
#28 0xb618fdbb in QApplication::notify (this=0x8a1c200, receiver=0x8d7f0e8, e=0xbff50cfc) at kernel/qapplication.cpp:4047
#29 0xb6ffe681 in KApplication::notify (this=0xbff51520, receiver=0x8d7f0e8, event=0xbff50cfc) at ../../kdeui/kernel/kapplication.cpp:311
#30 0xb5ef719e in QCoreApplication::notifyInternal (this=0xbff51520, receiver=0x8d7f0e8, event=0xbff50cfc) at kernel/qcoreapplication.cpp:787
#31 0xb618ad15 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#32 QApplicationPrivate::sendMouseEvent (receiver=0x8d7f0e8, event=0xbff50cfc, alienWidget=0x8d7f0e8, nativeWidget=0x8d79ea8, buttonDown=0xb6af4eb4, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3146
#33 0xb62172c4 in QETWidget::translateMouseEvent (this=0x8d79ea8, event=0xbff5117c) at kernel/qapplication_x11.cpp:4568
#34 0xb6215e4d in QApplication::x11ProcessEvent (this=0xbff51520, event=0xbff5117c) at kernel/qapplication_x11.cpp:3690
#35 0xb624224c in x11EventSourceDispatch (s=0x8a1e718, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#36 0xb501725f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#37 0xb5017990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#38 0xb5017c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#39 0xb5f25ada in QEventDispatcherGlib::processEvents (this=0x89f0218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#40 0xb6241e3a in QGuiEventDispatcherGlib::processEvents (this=0x89f0218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#41 0xb5ef61dd in QEventLoop::processEvents (this=0xbff51484, flags=...) at kernel/qeventloop.cpp:149
#42 0xb5ef6421 in QEventLoop::exec (this=0xbff51484, flags=...) at kernel/qeventloop.cpp:201
#43 0xb5efb19d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#44 0xb61878f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#45 0x080793f5 in ?? ()
#46 0xb582c113 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
#47 0x0807ae99 in _start ()

Possible duplicates by query: bug 284210, bug 282627, bug 279382, bug 275481, bug 272983.

Reported using DrKonqi