Overlaid control blocks, overlaid in-storage data, or programming errors within RRSF, and the portions of RACF® started within the RACF subsystem address space can also cause an abend. Non-fatal errors detected by RRSF can have the following symptoms:

• Units of work being lost
• Units of work being done multiple times
• All tasks in the RACF subsystem address space being in wait state
• Resources are allocated to a request and the request has completed either normally or abnormally and the resources are not released or deallocated