Application: umbrello (2.5.1)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-25-generic i686
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:
Undoing the operation of creating objects in sequence diagram.

-- Backtrace:
Application: Umbrello UML Modeller (umbrello), signal: Segmentation fault
[Current thread is 1 (Thread 0xb78d3930 (LWP 3025))]

Thread 2 (Thread 0xb767fb70 (LWP 3028)):
#0  0x00388416 in __kernel_vsyscall ()
#1  0x02e2edf6 in __poll (fds=0x2ec5ff4, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x017f4a1b in g_poll () from /lib/libglib-2.0.so.0
#3  0x017e743c in ?? () from /lib/libglib-2.0.so.0
#4  0x017e7ba7 in g_main_loop_run () from /lib/libglib-2.0.so.0
#5  0x071796b4 in ?? () from /usr/lib/libgio-2.0.so.0
#6  0x0180e48f in ?? () from /lib/libglib-2.0.so.0
#7  0x00295cc9 in start_thread (arg=0xb767fb70) at pthread_create.c:304
#8  0x02e3d69e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb78d3930 (LWP 3025)):
[KCrash Handler]
#7  0x000017f8 in ?? ()
#8  0x00d6e346 in XQueryExtension () from /usr/lib/libX11.so.6
#9  0x00d629bb in XInitExtension () from /usr/lib/libX11.so.6
#10 0x004b9295 in XRenderFindDisplay () from /usr/lib/libXrender.so.1
#11 0x004b5805 in XRenderCreateGlyphSet () from /usr/lib/libXrender.so.1
#12 0x084f114b in Uml::CmdChangeFillColor::undo (this=0x8f80a90) at ../../../umbrello/umbrello/cmds/widget/cmd_changeFillColor.cpp:41
#13 0x03890b47 in QUndoStack::undo (this=0x8bbc830) at util/qundostack.cpp:659
#14 0x038c3753 in QUndoStack::qt_metacall (this=0x8bbc830, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbf81d108) at .moc/release-shared/moc_qundostack.cpp:105
#15 0x00c0bd02 in KUndoStack::qt_metacall (this=0x8bbc830, _c=QMetaObject::InvokeMetaMethod, _id=12, _a=0xbf81d108) at ./kundostack.moc:64
#16 0x03fcf8ca in QMetaObject::metacall (object=0x8bbc830, cl=49050560, idx=12, argv=0xbf81d108) at kernel/qmetaobject.cpp:237
#17 0x03fe26ad in QMetaObject::activate (sender=0x8bc1840, m=0x3ac8370, local_signal_index=1, argv=0x872ca1c) at kernel/qobject.cpp:3280
#18 0x03141f99 in QAction::triggered (this=0x8bc1840, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#19 0x031438dc in QAction::activate (this=0x8bc1840, event=QAction::Trigger) at kernel/qaction.cpp:1256
#20 0x03145b68 in QAction::event (this=0x0, e=0x872ca1c) at kernel/qaction.cpp:1182
#21 0x03149fdc in QApplicationPrivate::notify_helper (this=0x8a0fb98, receiver=0x8bc1840, e=0xbf81d5a8) at kernel/qapplication.cpp:4396
#22 0x0315004e in QApplication::notify (this=0xbf81e480, receiver=0x8bc1840, e=0xbf81d5a8) at kernel/qapplication.cpp:3798
#23 0x00b6068a in KApplication::notify (this=0xbf81e480, receiver=0x8bc1840, event=0xbf81d5a8) at ../../kdeui/kernel/kapplication.cpp:310
#24 0x03fc9b3b in QCoreApplication::notifyInternal (this=0xbf81e480, receiver=0x8bc1840, event=0xbf81d5a8) at kernel/qcoreapplication.cpp:732
#25 0x0318b76d in sendEvent (this=0x8a0fc44, e=0xbf81da24) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#26 QShortcutMap::dispatchEvent (this=0x8a0fc44, e=0xbf81da24) at kernel/qshortcutmap.cpp:879
#27 0x0318d59e in QShortcutMap::tryShortcutEvent (this=0x8a0fc44, o=0x8c79ad8, e=0xbf81da24) at kernel/qshortcutmap.cpp:364
#28 0x03151c52 in QApplication::notify (this=0xbf81e480, receiver=0x8c79ad8, e=0xbf81da24) at kernel/qapplication.cpp:3840
#29 0x00b6068a in KApplication::notify (this=0xbf81e480, receiver=0x8c79ad8, event=0xbf81da24) at ../../kdeui/kernel/kapplication.cpp:310
#30 0x03fc9b3b in QCoreApplication::notifyInternal (this=0xbf81e480, receiver=0x8c79ad8, event=0xbf81da24) at kernel/qcoreapplication.cpp:732
#31 0x03149b9e in sendSpontaneousEvent (receiver=0x8c79ad8, event=0x0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#32 qt_sendSpontaneousEvent (receiver=0x8c79ad8, event=0x0) at kernel/qapplication.cpp:5388
#33 0x0320669d in QKeyMapper::sendKeyEvent (keyWidget=0x8c79ad8, grab=false, type=QEvent::KeyPress, code=90, modifiers=..., text=..., autorepeat=<value optimized out>, count=<value optimized out>, nativeScanCode=52, nativeVirtualKey=122, nativeModifiers=20) at kernel/qkeymapper_x11.cpp:1867
#34 0x03208b49 in QKeyMapperPrivate::translateKeyEvent (this=0x8a36690, keyWidget=0x8c79ad8, event=0xbf81e0ec, grab=28) at kernel/qkeymapper_x11.cpp:1837
#35 0x031dc387 in QApplication::x11ProcessEvent (this=0xbf81e480, event=0xbf81e0ec) at kernel/qapplication_x11.cpp:3429
#36 0x0320c36a in x11EventSourceDispatch (s=0x8a12da8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#37 0x017e3855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#38 0x017e7668 in ?? () from /lib/libglib-2.0.so.0
#39 0x017e7848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#40 0x03ff8565 in QEventDispatcherGlib::processEvents (this=0x89f23c8, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#41 0x0320bbe5 in QGuiEventDispatcherGlib::processEvents (this=0x89f23c8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#42 0x03fc8609 in QEventLoop::processEvents (this=0xbf81e3e4, flags=) at kernel/qeventloop.cpp:149
#43 0x03fc8a8a in QEventLoop::exec (this=0xbf81e3e4, flags=...) at kernel/qeventloop.cpp:201
#44 0x03fcd00f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#45 0x03148e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#46 0x0858b785 in main (argc=3, argv=0xbf81e634) at ../../../umbrello/umbrello/main.cpp:111

Reported using DrKonqi