kubuntu amd64 - Failure on logout

[Tim Johnson]

On Wednesday 25 July 2007, Tim Johnson wrote:
> Using ver 7.04 - the recently much dicussed amd64.
> I ran updates on July 21.
> I am now booting with the newly installed kernel:
> ## from /boot/grub/menu.lst
> title       Ubuntu, kernel 2.6.20-16-generic
> initrd      /boot/initrd.img-2.6.20-16-generic
>
> When I choose Logout->Logout, instead of seeing KDM,
> All I have is a black screen, and is unresponsive, have to do a had
> reboot to restart.
>
> I'd appreciate any and all help on this. I've recently migrated from
> Slack 10.0 - as for diagnostics, etc, I'm not a system guru, but am
> a programmer and familiar with the command line, vim, mc - etc.
   
  I will add the following: Same symptoms when I choose Logout->Restart (warm 
reboot of computer)
But if I start xfce from KDE, I can log out without any problem and then log 
in with KDE as the window manager.
thanks
tim