Application that crashed: kate
Version of the application: 3.3.4
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.6.0-tp1
Operating System: Linux 2.6.31-18-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Pessing shift and then double clicking two times crashes Kate.
This happens every time.
Tested with new session, new file, restored session, restored open file, opened file.
The result is the same: Crash.

 -- Backtrace:
Application: Kate (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#6  KateLineLayout::viewLineCount (this=0x0) at ../../kate/render/katelinelayout.cpp:173
#7  0x025acd9c in KateLayoutCache::viewLine (this=0xa357ab8, realCursor=...) at ../../kate/render/katelayoutcache.cpp:392
#8  0x02606067 in KateViewInternal::viewLineOffset (this=0x9c2cc40, virtualCursor=..., offset=0, keepX=false) at ../../kate/view/kateviewinternal.cpp:1331
#9  0x02609f09 in KateViewInternal::makeVisible (this=0x9c2cc40, c=..., endCol=-1, force=false, center=false, calledExternally=false) at ../../kate/view/kateviewinternal.cpp:667
#10 0x0260a350 in KateViewInternal::updateCursor (this=0x9c2cc40, newCursor=..., force=false, center=false, calledExternally=<value optimized out>) at ../../kate/view/kateviewinternal.cpp:1869
#11 0x0260ec9c in KateViewInternal::mousePressEvent (this=0x9c2cc40, e=0xbf925460) at ../../kate/view/kateviewinternal.cpp:2532
#12 0x04ddef8b in QWidget::event (this=0x9c2cc40, event=0xbf925460) at kernel/qwidget.cpp:7886
#13 0x04d838bc in QApplicationPrivate::notify_helper (this=0x98973f8, receiver=0x9c2cc40, e=0xbf925460) at kernel/qapplication.cpp:4153
#14 0x04d8af93 in QApplication::notify (this=0xbf925d3c, receiver=0x9c2cc40, e=0xbf925460) at kernel/qapplication.cpp:3798
#15 0x00fad1aa in KApplication::notify (this=0xbf925d3c, receiver=0x9c2cc40, event=0xbf925460) at ../../kdeui/kernel/kapplication.cpp:302
#16 0x0038f91b in QCoreApplication::notifyInternal (this=0xbf925d3c, receiver=0x9c2cc40, event=0xbf925460) at kernel/qcoreapplication.cpp:699
#17 0x04d89d2f in QCoreApplication::sendEvent (receiver=0x9c2cc40, event=0xbf925460, alienWidget=0x9c2cc40, nativeWidget=0x9c069e0, buttonDown=0x5681fb8, lastMouseReceiver=..., spontaneous=true)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#18 QApplicationPrivate::sendMouseEvent (receiver=0x9c2cc40, event=0xbf925460, alienWidget=0x9c2cc40, nativeWidget=0x9c069e0, buttonDown=0x5681fb8, lastMouseReceiver=..., spontaneous=true)
    at kernel/qapplication.cpp:2948
#19 0x04e02308 in QETWidget::translateMouseEvent (this=0x9c069e0, event=0xbf92597c) at kernel/qapplication_x11.cpp:4391
#20 0x04e017e9 in QApplication::x11ProcessEvent (this=0xbf925d3c, event=0xbf92597c) at kernel/qapplication_x11.cpp:3408
#21 0x04e2e6fa in x11EventSourceDispatch (s=0x989a3a8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#22 0x06c2ee88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x06c32730 in ?? () from /lib/libglib-2.0.so.0
#24 0x06c32863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0x003bb41c in QEventDispatcherGlib::processEvents (this=0x9820140, flags=...) at kernel/qeventdispatcher_glib.cpp:328
#26 0x04e2e225 in QGuiEventDispatcherGlib::processEvents (this=0x9820140, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#27 0x0038df69 in QEventLoop::processEvents (this=0xbf925c74, flags=) at kernel/qeventloop.cpp:149
#28 0x0038e3ba in QEventLoop::exec (this=0xbf925c74, flags=...) at kernel/qeventloop.cpp:201
#29 0x003924af in QCoreApplication::exec () at kernel/qcoreapplication.cpp:976
#30 0x04d83467 in QApplication::exec () at kernel/qapplication.cpp:3558
#31 0x065a2aed in kdemain () from /usr/lib/libkdeinit4_kate.so
#32 0x0804dde1 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=1, envs=0x984f44e "DISPLAY=:0.0", reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x984f45f "vr;1264488355;466916;2148_TIME3751154") at ../../kinit/kinit.cpp:677
#33 0x0804ea35 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#34 0x0804eeac in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1362
#35 0x0804fbaf in main (argc=2, argv=0xbf926954, envp=0xbf926960) at ../../kinit/kinit.cpp:1793

Reported using DrKonqi