Do you have any files in /etc/modprobe.d/ that does not have a .conf extension? If you have, then this could be a duplicate of bug 1376966.
Run the following to check: ls /etc/modprobe.d/|grep -v '\.conf$' -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to ubuntu-drivers-common in Ubuntu. https://bugs.launchpad.net/bugs/1374871 Title: upgrade from 0.2.91.6 to 0.2.91.7 breaks my X.org (nvidia) Status in “ubuntu-drivers-common” package in Ubuntu: New Bug description: After upgrading to version 0.2.91.7 my X.org stopped working - it could not find nvidia drivers. Downgrading to 0.2.91.4 (from releease) fixes this problem. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-drivers-common/+bug/1374871/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

