I'm not sure how virtual packages work, but I think this may actually be a problem with the new "xserver-xorg-core" package. When trying to install xorg-video-abi-10, I get this:
Package xorg-video-abi-10 is a virtual package provided by: xserver-xorg-core 2:1.10.4-1ubuntu4.1 [Not candidate version] xserver-xorg-core 2:1.10.4-1ubuntu4.2 [Not candidate version] E: Package 'xorg-video-abi-10' has no installation candidate -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/941325 Title: nvidia-96 fails to install in precise pangolin (due to unmet dependency xorg-video-abi-10) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-96/+bug/941325/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs