Version:           3.5.1 (using KDE 3.5.1, Kubuntu Package 4:3.5.1-0ubuntu5 dapper)
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.15-15-686

I managed to crash it again. This time during load of the Kate part.

Backtrace follows:

Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 915973824 (LWP 3857)]
[KCrash handler]
#6  0x369bae84 in pthread_mutex_lock ()
   from /lib/tls/i686/cmov/libpthread.so.0
#7  0x37e2174e in pthread_mutex_lock () from /lib/tls/i686/cmov/libc.so.6
#8  0x36f57a3c in XUnlockDisplay () from /usr/lib/libX11.so.6
#9  0x36f72ee4 in XrmEnumerateDatabase () from /usr/lib/libX11.so.6
#10 0x36f56ec9 in XKeysymToString () from /usr/lib/libX11.so.6
#11 0x3794fd89 in KKeyServer::Sym::toString (this=0x3f8dd878, 
    bUserSpace=false) at kkeyserver_x11.cpp:526
#12 0x37950313 in KKeyServer::Sym::toStringInternal (this=0x0)
    at kkeyserver_x11.cpp:532
#13 0x379503b7 in KKey::toStringInternal (this=0x37a2004c)
    at kshortcut.cpp:188
#14 0x3795102b in KKeySequence::toStringInternal (this=0x37a20048)
    at kshortcut.cpp:380
#15 0x3795288e in KShortcut::toStringInternal (this=0x37a2001c, 
    pcutDefault=0x0) at kshortcut.cpp:656
#16 0x36e207c2 in KAction::initPrivate (this=0xc1ccbd0, text=@0x0, 
    cut=@0x37a2001c, receiver=0xbc45280, slot=0x353f041e "1reloadFile()")
    at kaction.cpp:250
#17 0x36e244a7 in KAction (this=0xc1ccbd0, text=@0x0, sIconName=@0x0, 
    cut=@0x0, receiver=0x0, slot=0x0, parent=0x0, name=0x0) at kaction.cpp:126
#18 0x353717df in KateView::setupActions (this=0xbc45280) at kateview.cpp:298
#19 0x353b0365 in KateView (this=0xbc45280, doc=0xa745318, parent=0x0, 
    name=0x0) at kateview.cpp:146
#20 0x353b046d in KateDocument::createView (this=0xa745318, parent=0x0, 
    name=0x0) at katedocument.cpp:355
#21 0x353b53b3 in KateDocument (this=0xa745318, bSingleViewMode=true, 
    bBrowserView=true, bReadOnly=true, parentWidget=0x0, widgetName=0x0, 
    parent=0x0, name=0x0) at katedocument.cpp:214
#22 0x353b5523 in KateFactory::createPartObject (this=0xb9ac1f8, 
    parentWidget=0x0, widgetName=0x0, parent=0x0, name=0x0, _classname=0x0)
    at katefactory.cpp:215
#23 0x353e9499 in KateFactoryPublic::createPartObject (this=0xcf32978, 
    parentWidget=0x369bae60, 
    widgetName=0x369bae60 "U\211