I had a similar problem when upgrading, if I use linux-restricted-modules-2.6.27-7-generic it works fine.
I had problems with elder kernels.
Try using grub and choose a newer kernel, install nvidia 177 drivers with it and check if it's solved.
I had a similar problem when upgrading, if I use linux-restricte d-modules- 2.6.27- 7-generic it works fine.
I had problems with elder kernels.
Try using grub and choose a newer kernel, install nvidia 177 drivers with it and check if it's solved.