Hi List, Any ideas what is wrong with controller? It is running latest 5.x series of centos and driver spills out following warnings at random times: mptbase: ioc0: WARNING - IOC is in FAULT state (1600h)!!! mptbase: ioc0: WARNING - Issuing HardReset from mpt_fault_reset_work!! mptbase: ioc0: Initiating recovery mptbase: ioc0: WARNING - IOC is in FAULT state!!! mptbase: ioc0: WARNING - FAULT code = 1600h mptbase: ioc0: Recovered from IOC FAULT mptbase: ioc0: WARNING - mpt_fault_reset_work: HardReset: success mptbase: ioc0: WARNING - IOC is in FAULT state (1600h)!!! mptbase: ioc0: WARNING - Issuing HardReset from mpt_fault_reset_work!! mptbase: ioc0: Initiating recovery mptbase: ioc0: WARNING - IOC is in FAULT state!!! mptbase: ioc0: WARNING - FAULT code = 1600h mptbase: ioc0: Recovered from IOC FAULT mptbase: ioc0: WARNING - mpt_fault_reset_work: HardReset: success -- Eero