Application that crashed: kile
Version of the application: 2.0.83
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-14-generic x86_64
Distribution: Ubuntu karmic (development branch)

What I was doing when the application crashed:
no more than that.

 -- Backtrace:
Application: Kile (kile), signal: Segmentation fault
[KCrash Handler]
#5  KateSmartCursor (this=0x360d510, position=<value optimized out>, doc=0x35d2ad0, insertBehavior=<value optimized out>) at ../../kate/smart/katesmartcursor.cpp:50
#6  0x00007f894d0c561f in KateSmartRange (this=0x31f2c90, range=..., doc=0x35d2ad0, parent=0x0, insertBehavior=<value optimized out>) at ../../kate/smart/katesmartrange.cpp:36
#7  0x00007f894d0cb08e in KateSmartManager::newSmartRange (this=0x3648e50, range=..., parent=0x0, insertBehavior=<value optimized out>, internal=false) at ../../kate/smart/katesmartmanager.cpp:208
#8  0x00007f894d06d28b in KateDocument::newSmartRange (this=<value optimized out>, range=..., parent=0x7f894d3e30d8, insertBehavior=<value optimized out>) at ../../kate/document/katedocument.cpp:5816
#9  0x00007f894d124303 in KateIconBorder::showBlock (this=0x3801ff0, line=249) at ../../kate/view/kateviewhelpers.cpp:1301
#10 0x00007f894d124bea in KateIconBorder::mouseMoveEvent (this=0x3801ff0, e=0x7fffe2a31940) at ../../kate/view/kateviewhelpers.cpp:1328
#11 0x00007f895c380822 in QWidget::event (this=0x3801ff0, event=0x7fffe2a31940) at kernel/qwidget.cpp:7534
#12 0x00007f895c331efc in QApplicationPrivate::notify_helper (this=0x28f3bc0, receiver=0x3801ff0, e=0x7fffe2a31940) at kernel/qapplication.cpp:4056
#13 0x00007f895c339011 in QApplication::notify (this=<value optimized out>, receiver=0x3801ff0, e=0x7fffe2a31940) at kernel/qapplication.cpp:3758
#14 0x00007f895d1c0ab6 in KApplication::notify (this=0x7fffe2a33850, receiver=0x3801ff0, event=0x7fffe2a31940) at ../../kdeui/kernel/kapplication.cpp:302
#15 0x00007f895b7a0c2c in QCoreApplication::notifyInternal (this=0x7fffe2a33850, receiver=0x3801ff0, event=0x7fffe2a31940) at kernel/qcoreapplication.cpp:610
#16 0x00007f895c3388e0 in QCoreApplication::sendSpontaneousEvent (receiver=0x3801ff0, event=0x7fffe2a31940, alienWidget=0x3801ff0, nativeWidget=0x2c719e0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#17 QApplicationPrivate::sendMouseEvent (receiver=0x3801ff0, event=0x7fffe2a31940, alienWidget=0x3801ff0, nativeWidget=0x2c719e0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>) at kernel/qapplication.cpp:2924
#18 0x00007f895c39ea0e in QETWidget::translateMouseEvent (this=0x2c719e0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4409
#19 0x00007f895c39daa9 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffe2a33470) at kernel/qapplication_x11.cpp:3550
#20 0x00007f895c3c6d0c in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#21 0x00007f8957a41bbe in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#22 0x00007f8957a45588 in ?? () from /lib/libglib-2.0.so.0
#23 0x00007f8957a456b0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#24 0x00007f895b7c91a6 in QEventDispatcherGlib::processEvents (this=0x28cd110, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#25 0x00007f895c3c64be in QGuiEventDispatcherGlib::processEvents (this=0x3648e50, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#26 0x00007f895b79f532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#27 0x00007f895b79f904 in QEventLoop::exec (this=0x7fffe2a337a0, flags=) at kernel/qeventloop.cpp:201
#28 0x00007f895b7a1ab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#29 0x00000000005e6872 in _start ()

Reported using DrKonqi