Comment 16 for bug 1417810

@mig5 - they may be just fine for your environment and you are right, an assertion failure is not ok.

Regarding your first reported error "exceeds the log group capacity", the inno_xxx_size values being too low can cause this.

Not running mysql_upgrade between major version upgrades may cause assertion failures in some cases.

Regarding mysql_upgrade, there is another good article here:

  http://www.percona.com/blog/2014/09/19/mysql-upgrade-best-practices/