Application: kopete (1.0.80)
KDE Platform Version: 4.4.71 (KDE 4.4.71 (KDE 4.5 >= 20100407)) (Compiled from sources)
Qt Version: 4.6.2
Operating System: Linux 2.6.31-gentoo-r6 x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
I get this crash really often and it doesn't allow me to use kopete.
This bug has been in trunk for a long time.

The crash can be reproduced every time.

-- Backtrace:
Application: Kopete (kopete), signal: Segmentation fault
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib64/libgobject-2.0.so.0.2200.4-gdb.py", line 9, in <module>
    from gobject import register
  File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module>
    import gdb.backtrace
ImportError: No module named backtrace
[KCrash Handler]
#6  0x00007f3f20a1fb1f in QFragmentMapData<QTextFragmentData>::root (this=0x7fff103dc2c0, pos=<value optimized out>, charsRemoved=<value optimized out>, charsAdded=<value optimized out>)
    at ../../include/QtGui/private/../../../src/gui/text/qfragmentmap_p.h:191
#7  QFragmentMap<QTextFragmentData>::begin (this=0x7fff103dc2c0, pos=<value optimized out>, charsRemoved=<value optimized out>, charsAdded=<value optimized out>)
    at ../../include/QtGui/private/../../../src/gui/text/qfragmentmap_p.h:814
#8  QTextDocumentPrivate::begin (this=0x7fff103dc2c0, pos=<value optimized out>, charsRemoved=<value optimized out>, charsAdded=<value optimized out>) at text/qtextdocument_p.h:227
#9  QTextDocumentPrivate::scan_frames (this=0x7fff103dc2c0, pos=<value optimized out>, charsRemoved=<value optimized out>, charsAdded=<value optimized out>) at text/qtextdocument_p.cpp:1386
#10 0x00007f3f20a21fb7 in QTextDocumentPrivate::finishEdit (this=0x7fff103dc900) at text/qtextdocument_p.cpp:1144
#11 0x00007f3f20a475d6 in QTextCursorPrivate::remove (this=0x2204d20) at text/qtextcursor.cpp:174
#12 0x00007f3f20a4c90f in QTextCursor::deletePreviousChar (this=0x277e110) at text/qtextcursor.cpp:1418
#13 0x00007f3f209ea229 in QTextControlPrivate::keyPressEvent (this=0x277e070, e=0x7fff103ddb40) at text/qtextcontrol.cpp:1202
#14 0x00007f3f209edc48 in QTextControl::processEvent (this=0x277dbf0, e=0x7fff103ddb40, matrix=..., contextWidget=0x2761f70) at text/qtextcontrol.cpp:918
#15 0x00007f3f209e3d9b in QTextControl::processEvent (this=0x277dbf0, e=0x7fff103ddb40, coordinateOffset=..., contextWidget=0x2761f70) at text/qtextcontrol.cpp:880
#16 0x00007f3f20c13d4b in QTextEditPrivate::sendControlEvent (this=0x2762940, e=0x7fff103ddb40) at widgets/qtextedit_p.h:99
#17 0x00007f3f20c13855 in QTextEdit::keyPressEvent (this=0x2751370, e=0x7fff103ddb40) at widgets/qtextedit.cpp:1299
#18 0x00007f3f223b7b49 in KTextEdit::keyPressEvent (this=0x2751370, event=0x7fff103ddb40) at /home/davide/kde/src/KDE/kdelibs/kdeui/widgets/ktextedit.cpp:1064
#19 0x00007f3f2239f598 in KRichTextEdit::keyPressEvent (this=0x2751370, event=0x7fff103ddb40) at /home/davide/kde/src/KDE/kdelibs/kdeui/widgets/krichtextedit.cpp:482
#20 0x00007f3f207f7650 in QWidget::event (this=0x2751370, event=0x7fff103ddb40) at kernel/qwidget.cpp:8033
#21 0x00007f3f20b9d35b in QFrame::event (this=0x2751370, e=0x7fff103ddb40) at widgets/qframe.cpp:557
#22 0x00007f3f20c2833b in QAbstractScrollArea::event (this=0x2751370, e=0x7fff103ddb40) at widgets/qabstractscrollarea.cpp:989
#23 0x00007f3f20c13415 in QTextEdit::event (this=0x2751370, e=0x7fff103ddb40) at widgets/qtextedit.cpp:1070
#24 0x00007f3f223b7ba8 in KTextEdit::event (this=0x2751370, ev=0x7fff103ddb40) at /home/davide/kde/src/KDE/kdelibs/kdeui/widgets/ktextedit.cpp:326
#25 0x00007f3f10292b5d in KopeteRichTextWidget::event (this=0x2751370, event=0x7fff103ddb40) at /home/davide/kde/src/KDE/kdenetwork/kopete/kopete/chatwindow/kopeterichtextwidget.cpp:458
#26 0x00007f3f207a071d in QApplicationPrivate::notify_helper (this=0x1821330, receiver=0x2751370, e=0x7fff103ddb40) at kernel/qapplication.cpp:4300
#27 0x00007f3f207a8659 in QApplication::notify (this=<value optimized out>, receiver=0x2751370, e=0x7fff103ddb40) at kernel/qapplication.cpp:3763
#28 0x00007f3f222a47bb in KApplication::notify (this=0x7fff103deb10, receiver=0x2751370, event=0x7fff103ddb40) at /home/davide/kde/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:302
#29 0x00007f3f21878d9b in QCoreApplication::notifyInternal (this=0x7fff103deb10, receiver=0x2751370, event=0x7fff103ddb40) at kernel/qcoreapplication.cpp:704
#30 0x00007f3f2084ba84 in QKeyMapper::sendKeyEvent (keyWidget=0x2751370, grab=<value optimized out>, type=QEvent::KeyPress, code=16777219, modifiers=..., text=..., autorepeat=false, count=1, 
    nativeScanCode=22, nativeVirtualKey=65288, nativeModifiers=0) at kernel/qkeymapper_x11.cpp:1861
#31 0x00007f3f2084dd39 in QKeyMapperPrivate::translateKeyEvent (this=0x188ed10, keyWidget=0x2751370, event=0x7fff103de750, grab=80) at kernel/qkeymapper_x11.cpp:1831
#32 0x00007f3f20827ccd in QApplication::x11ProcessEvent (this=0x7fff103deb10, event=0x7fff103de750) at kernel/qapplication_x11.cpp:3394
#33 0x00007f3f20850f3a in x11EventSourceDispatch (s=0x1862370, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#34 0x00007f3f1cff6d59 in g_main_dispatch (context=0x1861440) at gmain.c:1960
#35 IA__g_main_context_dispatch (context=0x1861440) at gmain.c:2513
#36 0x00007f3f1cffa5a8 in g_main_context_iterate (context=0x1861440, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2591
#37 0x00007f3f1cffa75c in IA__g_main_context_iteration (context=0x1861440, may_block=1) at gmain.c:2654
#38 0x00007f3f218a254c in QEventDispatcherGlib::processEvents (this=0x1822110, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#39 0x00007f3f20850adf in QGuiEventDispatcherGlib::processEvents (this=0x7fff103dc900, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#40 0x00007f3f218776b2 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#41 0x00007f3f21877a84 in QEventLoop::exec (this=0x7fff103dea80, flags=...) at kernel/qeventloop.cpp:201
#42 0x00007f3f21879ee6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#43 0x0000000000415682 in main (argc=1, argv=0x7fff103df978) at /home/davide/kde/src/KDE/kdenetwork/kopete/kopete/main.cpp:105

Reported using DrKonqi