All, I've discovered a note on: https://help.ubuntu.com/community/UEFIBooting#Kernel%20panic%20on%20Reboot regarding this.
Apparently this is as a result of buggy Sandybridge UEFI firmware? -Keith -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/721576 Title: [natty] kernel panic on reboot with (U)EFI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/721576/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs