Version:           3.5.6 (using KDE 3.5.6, Kubuntu (feisty) 4:3.5.6-0ubuntu14)
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.20-15-generic

KDE panel crashed after login :
Backtrace:
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Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread -1232611632 (LWP 5169)]
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[KCrash handler]
#6  0xb5e704c4 in TaskContainer::updateKickerTip ()
   from /usr/lib/libtaskbar.so.1
#7  0xb6718f72 in KickerTip::display () from /usr/lib/libkickermain.so.1
#8  0xb67194ef in KickerTip::qt_invoke () from /usr/lib/libkickermain.so.1
#9  0xb728288b in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#10 0xb7283330 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#11 0xb7610ba6 in QTimer::timeout () from /usr/lib/libqt-mt.so.3
#12 0xb72aa596 in QTimer::event () from /usr/lib/libqt-mt.so.3
#13 0xb7219a60 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#14 0xb721b88f in QApplication::notify () from /usr/lib/libqt-mt.so.3
#15 0xb7921ce2 in KApplication::notify () from /usr/lib/libkdecore.so.4
#16 0xb71ac1e9 in QApplication::sendEvent () from /usr/lib/libqt-mt.so.3
#17 0xb720c4ab in QEventLoop::activateTimers () from /usr/lib/libqt-mt.so.3
#18 0xb71c0d25 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#19 0xb7234136 in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#20 0xb7233f46 in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#21 0xb721b609 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#22 0xb66257c2 in kdemain () from /usr/lib/libkdeinit_kicker.so
#23 0xb6732464 in kdeinitmain () from /usr/lib/kde3/kicker.so
#24 0x0804e6bf in ?? ()
#25 0x00000001 in ?? ()
#26 0x0807d138 in ?? ()
#27 0x00000001 in ?? ()
#28 0x00000000 in ?? ()