Description of problem:
Batch updates might create a database deadlock
Version-Release number of selected component (if applicable):
3.4
How reproducible:
Run system under load. Hard to reproduce.
Steps to Reproduce:
1. Can't
2.
3.
Actual results:
Sometime dead locks error appear in the engine.log
Expected results:
No dead locks should appear in the queue
Additional info:
First seen in logs of bug https://bugzilla.redhat.com/show_bug.cgi?id=1090536, but issue is unrelated