Comment 3 for bug 1631722

Revision history for this message
Christian Ehrhardt  (paelzer) wrote :

From the log:
ERROR: Unable to start MySQL server:
2016-10-09T09:38:36.295087Z 0 [ERROR] unknown variable 'log_slow_queries=/var/log/mysql/mysql-slow.log'

This essentially is a diffferent but still same form of bug 1571865.
You will have to clean your config of no more supported configurations and it should start to work again.