Thank you Guillaume, after executing apt-get install ubuntu-minimal I also found that I was still on the old sysvinit and not upstart.
Now the problem is gone for me too. -- KDM fails to launch X on edgy https://launchpad.net/bugs/59242 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs