Comment 13 for bug 384639

I have similar error:

Setting up dkms (2.0.21.1-0ubuntu3) ...
 * Running DKMS auto installation service for kernel 2.6.30-9-generic [ OK ]

Setting up nvidia-96-kernel-source (96.43.10-0ubuntu1) ...
Removing all DKMS Modules
Done.
Adding Module to DKMS build system
driver version= 96.43.10
Doing initial module build

Error! Your kernel source for kernel 2.6.30-9-generic cannot be found at
/lib/modules/2.6.30-9-generic/build or /lib/modules/2.6.30-9-generic/source.
Installing initial module

Error! Could not locate nvidia.ko for module nvidia in the DKMS tree.
You must run a dkms build for kernel 2.6.30-9-generic (i686) first.
Done.

Setting up nvidia-glx-96 (96.43.10-0ubuntu1) ...

 apt-cache policy nvidia-common
nvidia-common:
  Installed: (none)
  Candidate: 0.2.11
  Version table:
     0.2.11 0
        500 http://archive.ubuntu.com karmic/main Packages

nvidia-detector
none