--- ahci.c.prev	2011-09-11 16:52:49.000000000 +0300
+++ ahci.c	2011-09-11 17:01:19.000000000 +0300
@@ -1769,6 +1769,7 @@ static void
 ahci_execute_transaction(struct ahci_slot *slot)
 {
 	device_t dev = slot->dev;
+	struct ahci_controller *ctlr = device_get_softc(device_get_parent(dev));
 	struct ahci_channel *ch = device_get_softc(dev);
 	struct ahci_cmd_tab *ctp;
 	struct ahci_cmd_list *clp;
@@ -1890,8 +1891,17 @@ ahci_execute_transaction(struct ahci_slo
 		}
 
 		/* Kick controller into sane state and enable FBS. */
-		if (softreset == 2)
+		if (softreset == 2) {
 			ch->eslots |= (1 << slot->slot);
+			/* Enable wanted port interrupts */
+			ATA_OUTL(ch->r_mem, AHCI_P_IE,
+			    (((ch->pm_level != 0) ? AHCI_P_IX_CPD | AHCI_P_IX_MP : 0) |
+			     AHCI_P_IX_TFE | AHCI_P_IX_HBF |
+			     AHCI_P_IX_HBD | AHCI_P_IX_IF | AHCI_P_IX_OF |
+			     ((ch->pm_level == 0) ? AHCI_P_IX_PRC : 0) | AHCI_P_IX_PC |
+			     AHCI_P_IX_DP | AHCI_P_IX_UF | (ctlr->ccc ? 0 : AHCI_P_IX_SDB) |
+			     AHCI_P_IX_DS | AHCI_P_IX_PS | (ctlr->ccc ? 0 : AHCI_P_IX_DHR)));
+		}
 		ahci_end_transaction(slot, et);
 		return;
 	}