Have you ever tried using boot-repair before in an attempt to fix things? It's the only thing that comes up to mind that might explain fstab changes. I tested my hunch here and it *does* modify fstab, commenting things out and re-adding them down the file, especially for my /boot/efi. I'm not sure why yours would have been picked up by UUID, though.
In general, this means it might not be an Ubuntu bug at all; the solution would be to remove the commented out entry for /boot/efi with the long UUID, and uncomment the short one, which looks to be pointing to the right partition. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1575813 Title: Dual boot does not work after upgrade to 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/1575813/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
