Got the same error while upgrading kernel from 3.13 to 3.14 Building initial module for 3.14-1-amd64 Error! Bad return status for module build on kernel: 3.14-1-amd64 (x86_64) Consult /var/lib/dkms/nvidia-current/334.21/build/make.log for more information.
nvidia-kernel-dkms: installed: 334.21-1 (from experimental) linux-image-3.14-1-amd64: installed: 3.14.2-1 (from unstable) -- Best regards, Valery Mamonov.
