Package: kdm
Version: 1.9.8 (KDE 2.0)
Severity: grave
Compiler: gcc version 2.95.2 20000220 (Debian GNU/Linux)
OS: Linux 2.2.17 i686 (compiled sources)

You can't login twice (locally & remotely for example) using the same username, using XDMCP.
The KDE splash screen will appear, but after that it hangs before seeing the panel.