Application: words (2.4 Alpha 1)
KDE Platform Version: 4.6.2 (4.6.2) (Compiled from sources)
Qt Version: 4.7.3
Operating System: Linux 2.6.37.1-1.2-pae i686
Distribution: "openSUSE 11.4 (i586)"

-- Information about the crash:
I created a new blank document, typed some text, deleted some text, typed some text, pressed ctrl-b. When I then started typing more text, Words crashed like this.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Words (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5a1f710 (LWP 11378))]

Thread 2 (Thread 0xadb77b70 (LWP 11389)):
#0  0xb5cdd22b in clock_gettime () from /lib/librt.so.1
#1  0xb6ec1165 in do_gettime (frac=<optimized out>, sec=<optimized out>) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb6f94056 in updateCurrentTime (this=0x84749f4) at kernel/qeventdispatcher_unix.cpp:339
#4  QTimerInfoList::timerWait (this=0x84749f4, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0xb6f9289b in timerSourcePrepareHelper (src=<optimized out>, timeout=0xadb7711c) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb6f9293d in timerSourcePrepare (source=0x84749c0, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb5c27a70 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#8  0xb5c288e2 in ?? () from /lib/libglib-2.0.so.0
#9  0xb5c28fce in g_main_context_iteration () from /lib/libglib-2.0.so.0
#10 0xb6f930e7 in QEventDispatcherGlib::processEvents (this=0x84ceae0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0xb6f63b1d in QEventLoop::processEvents (this=0xadb772b0, flags=...) at kernel/qeventloop.cpp:149
#12 0xb6f63d49 in QEventLoop::exec (this=0xadb772b0, flags=...) at kernel/qeventloop.cpp:201
#13 0xb6e64df9 in QThread::exec (this=0x84b1990) at thread/qthread.cpp:492
#14 0xb6f438ad in QInotifyFileSystemWatcherEngine::run (this=0x84b1990) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb6e67a43 in QThreadPrivate::start (arg=0x84b1990) at thread/qthread_unix.cpp:331
#16 0xb6deab05 in start_thread () from /lib/libpthread.so.0
#17 0xb61cbd5e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb5a1f710 (LWP 11378)):
[KCrash Handler]
#7  0xb6723dff in ?? () from /usr/lib/libQtGui.so.4
#8  0xb67379cd in QTextBlock::iterator::operator++() () from /usr/lib/libQtGui.so.4
#9  0xb24b25b9 in KoTextEditor::registerTrackedChange (this=0x843d640, selection=..., changeType=KoGenChange::InsertChange, title=..., format=..., prevFormat=..., applyToWholeBlock=false) at /home/boud/kde/src/calligra/libs/kotext/KoTextEditor.cpp:371
#10 0xb24b7e18 in KoTextEditor::insertText (this=0x843d640, text=...) at /home/boud/kde/src/calligra/libs/kotext/KoTextEditor.cpp:1129
#11 0xae3cbe72 in TextTool::keyPressEvent (this=0xa8bd540, event=0xbfa0fc14) at /home/boud/kde/src/calligra/plugins/textshape/TextTool.cpp:1220
#12 0xb23eebb1 in KoToolProxy::keyPressEvent (this=0xa7fc758, event=0xbfa0fc14) at /home/boud/kde/src/calligra/libs/flake/KoToolProxy.cpp:369
#13 0xaf6344ff in KWCanvas::keyPressEvent (this=0xa7452c0, e=0xbfa0fc14) at /home/boud/kde/src/calligra/words/part/KWCanvas.cpp:117
#14 0xb64ed8ff in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#15 0xaf6344b7 in KWCanvas::event (this=0xa7452c0, e=0xbfa0fc14) at /home/boud/kde/src/calligra/words/part/KWCanvas.cpp:112
#16 0xb64925a4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#17 0xb649bce8 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#18 0xb75c05b1 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#19 0xb6f6483e in QCoreApplication::notifyInternal (this=0xbfa105d0, receiver=0xa7452c0, event=0xbfa0fc14) at kernel/qcoreapplication.cpp:787
#20 0xb649055d in ?? () from /usr/lib/libQtGui.so.4
#21 0xb6544ece in ?? () from /usr/lib/libQtGui.so.4
#22 0xb654539c in ?? () from /usr/lib/libQtGui.so.4
#23 0xb651dd62 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#24 0xb6549770 in ?? () from /usr/lib/libQtGui.so.4
#25 0xb5c28509 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#26 0xb5c28d10 in ?? () from /lib/libglib-2.0.so.0
#27 0xb5c28fce in g_main_context_iteration () from /lib/libglib-2.0.so.0
#28 0xb6f9309b in QEventDispatcherGlib::processEvents (this=0x805ccb0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#29 0xb654936a in ?? () from /usr/lib/libQtGui.so.4
#30 0xb6f63b1d in QEventLoop::processEvents (this=0xbfa10564, flags=...) at kernel/qeventloop.cpp:149
#31 0xb6f63d49 in QEventLoop::exec (this=0xbfa10564, flags=...) at kernel/qeventloop.cpp:201
#32 0xb6f687f0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#33 0xb64902f4 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#34 0xb56449a5 in kdemain (argc=1, argv=0x80bd750) at /home/boud/kde/src/calligra/words/part/main.cpp:38
#35 0x0804e514 in _start ()

Reported using DrKonqi