Update:
I followed up with manual testing & patching the code. The Nova block commit does terminate fine (it's just that there's no message provided about that). So i'm back on square one following up on why the backing chain breaks. Will dig further...
Update:
I followed up with manual testing & patching the code. The Nova block commit does terminate fine (it's just that there's no message provided about that). So i'm back on square one following up on why the backing chain breaks. Will dig further...