A regression was discovered after the release of MariaDB 10.1.27. It has been pulled from the downloads system, but some mirrors may still have it. Do not download or install this version. Stay with MariaDB 10.1.26 until 10.1.28 is released
The MariaDB project is pleased to announce the immediate availability of MariaDB 10.1.27. See the release notes and changelogs for details.
Thanks, and enjoy MariaDB!