Right, looks like this is probably grub-probe not being happy while it tries to probe the PReP partition. I'll need to look at how we could skip over it or otherwise avoid the errors.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1416396 Title: Unknown file system warning messages during dist-upgrade operation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1416396/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
