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Tiny Grasshopper
November 1st, 2008, 03:30 PM
I believe that my hardy install had the kubuntu-kde4 packages installed as well, but I wasn't using them and switched back to the kdm login screen.

I upgrade, it apparently goes smoothly up until i reboot then I get this error message:

grep: /usr/lib/kde4/etc/kde4/kdm/kdmrc: No such file or directory
Not starting K display manager (kdm-kde4); it is not the default display manager

which is obvious since there's just kde 4 now and it's just called kdm not kdm-kde4

I was about to start poking about at the init script but found this thread (http://ubuntuforums.org/showthread.php?p=5987579) which is pretty much the same problem and the described fix makes perfect sense, uninstall kdm-kde4 and reinstall kdm with these commands.

sudo aptitude purge kdm-kde4
sudo aptitude reinstall install kdm
sudo depmod -a
dpkg-reconfigure kdm

and then I reboot and I don't get the error message anymore but kdm still hasn't come up

Tiny Grasshopper
November 7th, 2008, 03:09 PM
I've also retested this with clean installs of Kubuntu 8.10 32-bit and 64-bit and Ubuntu 64-bit and 32-bit. In all four occasions, kdm and gdm did not appear.

I've observed the following bugs 275379 (https://bugs.launchpad.net/bugs/275379), 294405 (https://bugs.launchpad.net/bugs/294405), 282328 (https://bugs.launchpad.net/bugs/282328), that seem related to what I'm going through but there are some differences and I've filed a separate bug 295160 (https://bugs.launchpad.net/bugs/295160).

Can anyone please assist me in any way with this?

aseemrane
December 8th, 2008, 09:50 AM
I upgraded my Kubuntu 8.04 and faced the same issue. I have not upgraded it to 8.10 yet. When I selected the kernel version 2.6.24-21 from the Grub menu everything was fine again.
Now I have changed the default selection in the Grub menu to select 2.6.24-21 instead of 2.6.24-22. But I am looking for a permanent solution.

It doesn't seem like a KDM problem but a driver issue as you might have already noticed