NvidiaDetection comes from nvidiadetector DistUpgrade/DistUpgradeCache.py: from .NvidiaDetector.nvidiadetector import NvidiaDetection
which is part of ubuntu-drivers-common, so the bug lies in that package. I seem to recall a similar bug in jockey. ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1060757 Title: Nvidia driver removed on upgrade -> Unity won't work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1060757/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs