Brian, >> Thanks for the detailed analysis. This is very helpful. Have you >> considered to change the ipr driver such that it terminates REPORT >> SUPPORTED OPERATION CODES commands with the appropriate check >> condition code instead of DID_ERROR? > > Yes. That data is actually in the sense buffer, but since I'm also > setting DID_ERROR, scsi_decide_disposition isn't using it. I've got a > patch to do just as you suggest, to stop setting DID_ERROR when there > is more detailed error data available, but it will need some > additional testing before I submit, as it will impact much more than > just this case. I agree. In this case where a command is not supported, a check condition would be a better way to signal the failure to the SCSI midlayer. -- Martin K. Petersen Oracle Linux Engineering