Application that crashed: x-terminal-emulator
Version of the application: 2.3.2
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.32-trunk-amd64 x86_64
Distribution: Debian GNU/Linux testing (squeeze)

What I was doing when the application crashed:
I use a tiling window manager (xmonad) and had three konsole windows with a number of tabs on the screen. I pressed a window manager key to rearrange the windows, and konsole crashed.

 -- Backtrace:
Application: Konsole (x-terminal-emulator), signal: Segmentation fault
[KCrash Handler]
#5  0x00007ffd5e59a6f4 in Konsole::TerminalDisplay::paintFilters(QPainter&) () from /usr/lib/libkonsoleprivate.so
#6  0x00007ffd5e59bd5c in Konsole::TerminalDisplay::paintEvent(QPaintEvent*) () from /usr/lib/libkonsoleprivate.so
#7  0x00007ffd5c9fd196 in QWidget::event (this=0xd48340, event=0x7fffcdfb8af0) at kernel/qwidget.cpp:7692
#8  0x00007ffd5c9ad01d in QApplicationPrivate::notify_helper (this=0x9ed290, receiver=0xd48340, e=0x7fffcdfb8af0) at kernel/qapplication.cpp:4065
#9  0x00007ffd5c9b507a in QApplication::notify (this=0x7fffcdfbc0b0, receiver=0xd48340, e=0x7fffcdfb8af0) at kernel/qapplication.cpp:4030
#10 0x00007ffd5ded9e06 in KApplication::notify (this=0x7fffcdfbc0b0, receiver=0xd48340, event=0x7fffcdfb8af0) at ../../kdeui/kernel/kapplication.cpp:302
#11 0x00007ffd5d533c9c in QCoreApplication::notifyInternal (this=0x7fffcdfbc0b0, receiver=0xd48340, event=0x7fffcdfb8af0) at kernel/qcoreapplication.cpp:610
#12 0x00007ffd5ca041be in QWidgetPrivate::drawWidget (this=0xcb1c50, pdev=0xb6b058, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0xb6c6b0) at kernel/qwidget.cpp:5084
#13 0x00007ffd5ca04907 in QWidgetPrivate::paintSiblingsRecursive (this=0xc0b410, pdev=0xb6b058, siblings=..., index=5, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0xb6c6b0)
    at kernel/qwidget.cpp:5194
#14 0x00007ffd5ca03e37 in QWidgetPrivate::drawWidget (this=0xc0b410, pdev=0xb6b058, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0xb6c6b0) at kernel/qwidget.cpp:5133
#15 0x00007ffd5ca04907 in QWidgetPrivate::paintSiblingsRecursive (this=0xc0b1d0, pdev=0xb6b058, siblings=..., index=5, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0xb6c6b0)
    at kernel/qwidget.cpp:5194
#16 0x00007ffd5ca03e37 in QWidgetPrivate::drawWidget (this=0xc0b1d0, pdev=0xb6b058, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0xb6c6b0) at kernel/qwidget.cpp:5133
#17 0x00007ffd5ca04907 in QWidgetPrivate::paintSiblingsRecursive (this=0xb84a70, pdev=0xb6b058, siblings=..., index=0, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0xb6c6b0)
    at kernel/qwidget.cpp:5194
#18 0x00007ffd5ca03e37 in QWidgetPrivate::drawWidget (this=0xb84a70, pdev=0xb6b058, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0xb6c6b0) at kernel/qwidget.cpp:5133
#19 0x00007ffd5ca04907 in QWidgetPrivate::paintSiblingsRecursive (this=0xb98640, pdev=0xb6b058, siblings=..., index=1, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0xb6c6b0)
    at kernel/qwidget.cpp:5194
#20 0x00007ffd5ca03e37 in QWidgetPrivate::drawWidget (this=0xb98640, pdev=0xb6b058, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0xb6c6b0) at kernel/qwidget.cpp:5133
#21 0x00007ffd5ca04907 in QWidgetPrivate::paintSiblingsRecursive (this=0xb70570, pdev=0xb6b058, siblings=..., index=10, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0xb6c6b0)
    at kernel/qwidget.cpp:5194
#22 0x00007ffd5ca03e37 in QWidgetPrivate::drawWidget (this=0xb70570, pdev=0xb6b058, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0xb6c6b0) at kernel/qwidget.cpp:5133
#23 0x00007ffd5cb79ed5 in QWidgetBackingStore::sync (this=0xb6c6b0) at painting/qbackingstore.cpp:1272
#24 0x00007ffd5c9f6220 in QWidgetPrivate::syncBackingStore (this=0xb70570) at kernel/qwidget.cpp:1603
#25 0x00007ffd5ca0d258 in QETWidget::translateConfigEvent (this=0x9dc130, event=<value optimized out>) at kernel/qapplication_x11.cpp:5277
#26 0x00007ffd5ca1c61d in QApplication::x11ProcessEvent (this=0x7fffcdfbc0b0, event=0x7fffcdfbbcd0) at kernel/qapplication_x11.cpp:3457
#27 0x00007ffd5ca4476c in x11EventSourceDispatch (s=0x9f4390, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#28 0x00007ffd5928790e in g_main_dispatch (context=0x9f3120) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:1960
#29 IA__g_main_context_dispatch (context=0x9f3120) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2513
#30 0x00007ffd5928b2c8 in g_main_context_iterate (context=0x9f3120, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>)
    at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2591
#31 0x00007ffd5928b3f0 in IA__g_main_context_iteration (context=0x9f3120, may_block=1) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2654
#32 0x00007ffd5d55c39c in QEventDispatcherGlib::processEvents (this=0x9c03a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#33 0x00007ffd5ca43f1f in QGuiEventDispatcherGlib::processEvents (this=0x7fffcdfb83a0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#34 0x00007ffd5d532562 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007ffd5d532934 in QEventLoop::exec (this=0x7fffcdfbc000, flags=...) at kernel/qeventloop.cpp:201
#36 0x00007ffd5d534ba4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#37 0x00007ffd5eb4344e in kdemain () from /usr/lib/libkdeinit4_konsole.so
#38 0x00007ffd5e7fdabd in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fffcdfbc308) at libc-start.c:222
#39 0x0000000000400649 in _start ()

Reported using DrKonqi