Index: head/sbin/camcontrol/camcontrol.c
===================================================================
--- head/sbin/camcontrol/camcontrol.c
+++ head/sbin/camcontrol/camcontrol.c
@@ -2355,7 +2355,7 @@
 	if (arglist & CAM_ARG_VERBOSE) {
 		printf("%s%d: Raw identify data:\n",
 		    device->device_name, device->dev_unit_num);
-		dump_data((void*)ident_buf, sizeof(struct ata_params));
+		dump_data((uint16_t *)ident_buf, sizeof(struct ata_params));
 	}
 
 	if (ident_buf->support.command1 & ATA_SUPPORT_PROTECTED) {
Index: head/sys/sys/ata.h
===================================================================
--- head/sys/sys/ata.h
+++ head/sys/sys/ata.h
@@ -311,7 +311,7 @@
 /*223*/ u_int16_t       transport_minor;
 	u_int16_t       reserved224[31];
 /*255*/ u_int16_t       integrity;
-} __packed;
+} __packed __aligned(2);
 
 /* ATA Dataset Management */
 #define ATA_DSM_BLK_SIZE	512