Version:           3.0 (using KDE KDE 3.5.2)
Installed from:    Debian testing/unstable Packages
OS:                Linux

I have one minimized window (Konsole). When I restore it using Alt+Tab, KWin crashes.

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System configuration startup check disabled.

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Using host libthread_db library "/lib/tls/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread -1229084192 (LWP 4756)]
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[KCrash handler]
#5  0xb7efde85 in KWinInternal::Workspace::nextFocusChainClient ()
   from /usr/lib/libkdeinit_kwin.so
#6  0xb7f0a0db in KWinInternal::TabBox::createClientList ()
   from /usr/lib/libkdeinit_kwin.so
#7  0xb7f107b8 in KWinInternal::TabBox::reset ()
   from /usr/lib/libkdeinit_kwin.so
#8  0xb7f11020 in KWinInternal::Workspace::startKDEWalkThroughWindows ()
   from /usr/lib/libkdeinit_kwin.so
#9  0xb7f31e67 in KWinInternal::Workspace::slotWalkThroughWindows ()
   from /usr/lib/libkdeinit_kwin.so
#10 0xb7f479f8 in KWinInternal::Workspace::qt_invoke ()
   from /usr/lib/libkdeinit_kwin.so
#11 0xb78515ac in KGlobalAccelPrivate::activate ()
   from /usr/lib/libkdecore.so.4
#12 0xb78af8cf in KGlobalAccelPrivate::x11KeyPress ()
   from /usr/lib/libkdecore.so.4
#13 0xb78afb0c in KGlobalAccelPrivate::x11Event ()
   from /usr/lib/libkdecore.so.4
#14 0xb78d650f in KApplication::x11EventFilter ()
   from /usr/lib/libkdecore.so.4
#15 0xb7f45c26 in KWinInternal::Application::x11EventFilter ()
   from /usr/lib/libkdeinit_kwin.so
#16 0xb70af423 in qt_set_x11_event_filter () from /usr/lib/libqt-mt.so.3
#17 0xb70bc68f in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3
#18 0xb70d62a2 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#19 0xb714a255 in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#20 0xb714a17a in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#21 0xb713038d in QApplication::exec () from /usr/lib/libqt-mt.so.3
#22 0xb7f427ef in kdemain () from /usr/lib/libkdeinit_kwin.so
#23 0xb7c8feb0 in __libc_start_main () from /lib/tls/libc.so.6
#24 0x080483d1 in ?? ()