Just happened to me in the a recent update to Natty through the Update Manager. I had to boot via live CD and uninstall grub-pc and re-install grub-efi-amd64.
Linux venus 2.6.38-10-generic #46-Ubuntu SMP Tue Jun 28 15:07:17 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/721544 Title: Update replaced grub-efi with grub-pc causing boot failure. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/721544/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
