kde sid: freezes on logout

[Gebhardt Thomas <gebhardt@hrz.uni-marburg.de>]

Hi,

yesterday I upgraded most of the kde related packages from
sarge to sid (want to use kmail 3.3 S/MIME features). The
transition was fairly smooth except that the system freezes
(mouse pointer freezes, sound stops suddenly, system not
responsive to key presses) when I leave a kde session, so I
have to press the reset button. This happens as non-privileged
user as well as for root. When I issue a "(sudo) /sbin/halt" from
a konsole window, everything works as expected; I can also stop
the kde session smoothly by issuiung "/etc/init.d/kdm restart"
from a virtual console.

I scanned the BTS but found nothing appropriate. Any idea about
what is going on? How can I narrow down the problem? As far
as I can see ".xsession" gives no hints, a least what remains
from that file after the fsck on reboot.

Thanks, Thomas