Application: umbrello (2.4.2)
KDE Platform Version: 4.4.2 (KDE 4.4.2) (Compiled from sources)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-25-generic i686
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
Umbrello crashes trying to close project after several failed intents to change font on a sequence diagram method call.

The crash can be reproduced every time.

 -- Backtrace:
Application: Umbrello UML Modeller (umbrello), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77b2710 (LWP 7513))]

Thread 2 (Thread 0xb51b0b70 (LWP 7514)):
#0  0x00201422 in __kernel_vsyscall ()
#1  0x01b07b86 in *__GI___poll (fds=0x1b9dff4, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x0525c4eb in g_poll () from /lib/libglib-2.0.so.0
#3  0x0524f0ac in ?? () from /lib/libglib-2.0.so.0
#4  0x0524f4b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x0591f60f in QEventDispatcherGlib::processEvents (this=0xa4aba30, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#6  0x058f2059 in QEventLoop::processEvents (this=0xb51b0290, flags=) at kernel/qeventloop.cpp:149
#7  0x058f24aa in QEventLoop::exec (this=0xb51b0290, flags=...) at kernel/qeventloop.cpp:201
#8  0x057ee5a8 in QThread::exec (this=0xa34c1c0) at thread/qthread.cpp:487
#9  0x058d1c1b in QInotifyFileSystemWatcherEngine::run (this=0xa34c1c0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x057f132e in QThreadPrivate::start (arg=0xa34c1c0) at thread/qthread_unix.cpp:248
#11 0x0020796e in start_thread (arg=0xb51b0b70) at pthread_create.c:300
#12 0x01b15a4e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb77b2710 (LWP 7513)):
[KCrash Handler]
#6  0x00000000 in ?? ()
#7  0x086350b7 in ~CombinedFragmentWidget (this=0xb61a2b8, __in_chrg=<value optimized out>) at ../../../umbrello/umbrello/widgets/combinedfragmentwidget.cpp:42
#8  0x05cc281f in ~Q3Canvas (this=0xa40e130, __in_chrg=<value optimized out>) at canvas/q3canvas.cpp:694
#9  0x08735128 in ~UMLViewCanvas (this=0xa40e130, __in_chrg=<value optimized out>) at ../../../umbrello/umbrello/umlviewcanvas.cpp:26
#10 0x087264c1 in ~UMLView (this=0xb622fd8, __in_chrg=<value optimized out>) at ../../../umbrello/umbrello/umlview.cpp:205
#11 0x086f6ce9 in UMLDoc::removeView (this=0xa2c5dc8, view=0xb622fd8, enforceCurrentView=false) at ../../../umbrello/umbrello/umldoc.cpp:208
#12 0x08689e80 in UMLFolder::removeAllViews (this=0xa2c4ba8) at ../../../umbrello/umbrello/folder.cpp:238
#13 0x086e22f5 in UMLDoc::removeAllViews (this=0xa2c5dc8) at ../../../umbrello/umbrello/umldoc.cpp:2242
#14 0x086e9d9d in UMLDoc::closeDocument (this=0xa2c5dc8) at ../../../umbrello/umbrello/umldoc.cpp:330
#15 0x086d0c2d in UMLApp::queryExit (this=0xa2cf0e8) at ../../../umbrello/umbrello/uml.cpp:993
#16 0x006f91a6 in KMainWindow::closeEvent (this=0xa2cf0e8, e=0xbfed0bb8) at ../../kdeui/widgets/kmainwindow.cpp:607
#17 0x0115fd09 in QWidget::event (this=0xa2cf0e8, event=0xbfed0bb8) at kernel/qwidget.cpp:8156
#18 0x0157abc7 in QMainWindow::event (this=0xa2cf0e8, event=0xbfed0bb8) at widgets/qmainwindow.cpp:1433
#19 0x006f7b04 in KMainWindow::event (this=0xa2cf0e8, ev=0xbfed0bb8) at ../../kdeui/widgets/kmainwindow.cpp:1103
#20 0x0073f88f in KXmlGuiWindow::event (this=0xa2cf0e8, ev=0xbfed0bb8) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:131
#21 0x011014dc in QApplicationPrivate::notify_helper (this=0xa183170, receiver=0xa2cf0e8, e=0xbfed0bb8) at kernel/qapplication.cpp:4300
#22 0x011080f9 in QApplication::notify (this=0xbfed1370, receiver=0xa2cf0e8, e=0xbfed0bb8) at kernel/qapplication.cpp:4265
#23 0x00605f2a in KApplication::notify (this=0xbfed1370, receiver=0xa2cf0e8, event=0xbfed0bb8) at ../../kdeui/kernel/kapplication.cpp:302
#24 0x058f3a3b in QCoreApplication::notifyInternal (this=0xbfed1370, receiver=0xa2cf0e8, event=0xbfed0bb8) at kernel/qcoreapplication.cpp:704
#25 0x011650c6 in QCoreApplication::sendSpontaneousEvent (this=0xa2cf880, mode=QWidgetPrivate::CloseWithSpontaneousEvent) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#26 QWidgetPrivate::close_helper (this=0xa2cf880, mode=QWidgetPrivate::CloseWithSpontaneousEvent) at kernel/qwidget.cpp:7563
#27 0x01181f7b in QETWidget::translateCloseEvent (this=0xbfed1370, w=0xa2cf0e8, event=0xbfed0fdc, passive_only=false) at kernel/qapplication_x11.cpp:5282
#28 QApplication::x11ClientMessage (this=0xbfed1370, w=0xa2cf0e8, event=0xbfed0fdc, passive_only=false) at kernel/qapplication_x11.cpp:3037
#29 0x01191879 in QApplication::x11ProcessEvent (this=0xbfed1370, event=0xbfed0fdc) at kernel/qapplication_x11.cpp:3633
#30 0x011c160a in x11EventSourceDispatch (s=0xa1863a8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#31 0x0524b5e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#32 0x0524f2d8 in ?? () from /lib/libglib-2.0.so.0
#33 0x0524f4b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#34 0x0591f5d5 in QEventDispatcherGlib::processEvents (this=0xa165c20, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#35 0x011c1135 in QGuiEventDispatcherGlib::processEvents (this=0xa165c20, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#36 0x058f2059 in QEventLoop::processEvents (this=0xbfed12d4, flags=) at kernel/qeventloop.cpp:149
#37 0x058f24aa in QEventLoop::exec (this=0xbfed12d4, flags=...) at kernel/qeventloop.cpp:201
#38 0x058f669f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#39 0x01101577 in QApplication::exec () at kernel/qapplication.cpp:3579
#40 0x086ac645 in main (argc=3, argv=0xbfed1524) at ../../../umbrello/umbrello/main.cpp:111

Reported using DrKonqi