Thanks for the additional info. I don't spot anything unusual. However, as two users reported this crash there likely is something about this 11.8.6 release.
- Bug#1127431: [debian-mysql] Processed: mariadb's problem... Otto Kekäläinen
- Bug#1127431: [debian-mysql] Processed: mariadb's pr... Ben Morris
- Bug#1127431: [debian-mysql] Processed: mariadb'... Otto Kekäläinen

