This patch properly registers the 16 byte command length capability of the megaraid_sas controlled hardware with the scsi midlayer. All megaraid_sas hardware supports 16 byte CDB's. Signed-off-by: Joshua Giles <joshua_giles@xxxxxxxx> --- linux-2.6.15.1.orig/drivers/scsi/megaraid/megaraid_sas.c 2006-01-30 17:15:49.000000000 -0500 +++ linux-2.6.15.1/drivers/scsi/megaraid/megaraid_sas.c 2006-01-30 17:15:30.000000000 -0500 @@ -1990,6 +1990,7 @@ host->max_channel = MEGASAS_MAX_CHANNELS - 1; host->max_id = MEGASAS_MAX_DEV_PER_CHANNEL; host->max_lun = MEGASAS_MAX_LUN; + host->max_cmd_len = 16; /* * Notify the mid-layer about the new controller - : 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