Removing 56qual, because this bug 1) only happens when server tries to track missing log data on startup, a corner case; 2) high chance the issue is present in 5.1 and 5.5 too.
Removing 56qual, because this bug 1) only happens when server tries to track missing log data on startup, a corner case; 2) high chance the issue is present in 5.1 and 5.5 too.