I also had this occur on an upgrade to 12.04B2. It probably was a disk space issue, I removed the old kernel and reinstalled. It would help a lot if it was possible to have old kernels automatically deleted.
I also had this occur on an upgrade to 12.04B2. It probably was a disk space issue, I removed the old kernel and reinstalled. It would help a lot if it was possible to have old kernels automatically deleted.