Debugging TCQ issues has shown me this is a very useful parameter to be able to view. Add it to he host class parameters. James Index: BUILD-2.6/drivers/scsi/scsi_sysfs.c =================================================================== --- BUILD-2.6.orig/drivers/scsi/scsi_sysfs.c 2006-10-16 08:50:48.000000000 -0500 +++ BUILD-2.6/drivers/scsi/scsi_sysfs.c 2006-10-16 08:56:54.000000000 -0500 @@ -192,6 +192,7 @@ static CLASS_DEVICE_ATTR(state, S_IRUGO shost_rd_attr(unique_id, "%u\n"); shost_rd_attr(host_busy, "%hu\n"); shost_rd_attr(cmd_per_lun, "%hd\n"); +shost_rd_attr(can_queue, "%hd\n"); shost_rd_attr(sg_tablesize, "%hu\n"); shost_rd_attr(unchecked_isa_dma, "%d\n"); shost_rd_attr2(proc_name, hostt->proc_name, "%s\n"); @@ -200,6 +201,7 @@ static struct class_device_attribute *sc &class_device_attr_unique_id, &class_device_attr_host_busy, &class_device_attr_cmd_per_lun, + &class_device_attr_can_queue, &class_device_attr_sg_tablesize, &class_device_attr_unchecked_isa_dma, &class_device_attr_proc_name, - 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