I had exactly the same problem. I'm running 18.10, grub2-common 2.02+dfsg1-5ubuntu8
If I go to root from the recovery menu, my root disk is already mounted, and umount says it is busy, so I can't fsck from there either. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1807537 Title: failure in fsck option of advanced boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1807537/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs