Version:            (using KDE KDE 3.2.90)
Installed from:    Compiled From Sources
Compiler:          gcc version 3.3.3 (Debian 20040422) 
OS:                Linux

konsole crashes when switching between shells with shift+arrow key and gives the following backtrace:

Using host libthread_db library "/lib/tls/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 1096487168 (LWP 32357)]
[KCrash handler]
#3  0x405d55ac in KRootPixmap::repaint ()
   from /home/test/kde3.3-alpha1/lib/libkdeui.so.4
#4  0x41683ed8 in Konsole::activateSession ()
   from /home/test/kde3.3-alpha1/lib/libkdeinit_konsole.so
#5  0x4168f614 in Konsole::qt_invoke ()
   from /home/test/kde3.3-alpha1/lib/libkdeinit_konsole.so
#6  0x40c35d9c in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#7  0x40f6eaea in QTabWidget::currentChanged () from /usr/lib/libqt-mt.so.3
#8  0x40d5a413 in QTabWidget::showTab () from /usr/lib/libqt-mt.so.3
#9  0x40f6ec07 in QTabWidget::qt_invoke () from /usr/lib/libqt-mt.so.3
#10 0x40615fd3 in KTabWidget::qt_invoke ()
   from /home/test/kde3.3-alpha1/lib/libkdeui.so.4
#11 0x40c35d9c in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#12 0x40c35efd in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#13 0x40f6e3e2 in QTabBar::selected () from /usr/lib/libqt-mt.so.3
#14 0x40d56ed3 in QTabBar::setCurrentTab () from /usr/lib/libqt-mt.so.3
#15 0x40d56cf8 in QTabBar::setCurrentTab () from /usr/lib/libqt-mt.so.3
#16 0x40d59e76 in QTabWidget::showPage () from /usr/lib/libqt-mt.so.3
#17 0x416840e3 in Konsole::activateSession ()
   from /home/test/kde3.3-alpha1/lib/libkdeinit_konsole.so
#18 0x41686b2b in Konsole::prevSession ()
   from /home/test/kde3.3-alpha1/lib/libkdeinit_konsole.so
#19 0x0826cba0 in ?? ()
#20 0x00000001 in ?? ()
#21 0x416cd36c in __JCR_LIST__ ()
   from /home/test/kde3.3-alpha1/lib/libkdeinit_konsole.so
#22 0x00000066 in ?? ()
#23 0xbfffe7a0 in ?? ()
#24 0xbfffe728 in ?? ()
#25 0x4168f8e8 in Konsole::qt_invoke ()
   from /home/test/kde3.3-alpha1/lib/libkdeinit_konsole.so