Just as another data point:
Dell R740 with Xeon Gold 6132 on xenial:
4.13.0-36-generic - FAIL 4.13.0-37-generic - FAIL 4.13.0-45-generic - PASS
Just as another data point:
Dell R740 with Xeon Gold 6132 on xenial:
4.13.0-36-generic - FAIL
4.13.0-37-generic - FAIL
4.13.0-45-generic - PASS