Stanley, > Until now the scsi mid-layer forbids runtime suspend till userspace > enables it. This is mainly to quarantine some disks with broken > runtime power management or have high latencies executing suspend > resume callbacks. If the userspace doesn't enable the runtime suspend > the underlying hardware will be always on even when it is not doing > any useful work and thus wasting power. Applied to 5.5/scsi-queue, thank you! -- Martin K. Petersen Oracle Linux Engineering