>>>>> "Ruediger" == Ruediger Meier <sweet_f_a@xxxxxx> writes: Ruediger> I've noticed a possible problem with scsi_debug devices where Ruediger> optimal_io_size < minimum_io_size. Ruediger> The problem seems reproducable with kernel 4.4.0 and also with Ruediger> stable version 4.1.15. For stable tree the last known working Ruediger> version is 4.1.13. http://git.kernel.org/cgit/linux/kernel/git/mkp/scsi.git/commit/?h=4.5/scsi-fixes&id=d0eb20a863ba7dc1d3f4b841639671f134560be2 -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html