I saw this as well on 18.04 during boot. Since
/usr/share/initramfs-tools/scripts/local-premount/btrfs
calls for the scan, you can workaround this issue by dealing with that file. Since I wasn't using BTRFS regularly, I purged the file through
sudo apt purge btrfs-progs
I saw this as well on 18.04 during boot. Since
/usr/ share/initramfs -tools/ scripts/ local-premount/ btrfs
calls for the scan, you can workaround this issue by dealing with that file. Since I wasn't using BTRFS regularly, I purged the file through
sudo apt purge btrfs-progs