Switching over to OFD locks (which is desirable where possible due to superior concurrency management) has been delayed due to causing the test suite to hang (deadlock - possibly a libc issue) on i686. Since we would like to be using these going forward, this needs to be resolved, though for the moment we can continue to progress using old-style locking.
This bug appears to have been reported against 'rawhide' during the Fedora 24 development cycle. Changing version to '24'. More information and reason for this action is here: https://fedoraproject.org/wiki/Fedora_Program_Management/HouseKeeping/Fedora24#Rawhide_Rebase