I've had this in Karmic Alpha.. to fix : boot in recovery mode ( on grub it will be the one that says (Recovery Mode)) Choose normal/resume do a(as root):
mv /etc/X11/xorg.conf /etc/xorg.conf.bak reinstall graphics drivers you can search for the currently installed nvidia drivers(generic) with(as root) : dpkg --get-selections | grep nvidia if you are installing from NVIDIA BLOB either run with -aNo arguments or say no to auto-configure xorg I think the problem lies in xorg now needs the PCI-ID of the card in the configuration file -- upgrade breaks graphic drivers and x, preventing login or startx https://bugs.launchpad.net/bugs/464591 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp