diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c
index d0a8507..6633738 100644
--- a/drivers/scsi/sata_sil.c
+++ b/drivers/scsi/sata_sil.c
@@ -380,11 +380,14 @@ static void sil_host_intr(struct ata_por
 			ap->eh_info.serror |= serror;
 		}
 
+		ata_port_printk(ap, KERN_ERR, "XXX: SATA_IRQ serror=%x\n", serror);
 		goto freeze;
 	}
 
-	if (unlikely(!qc || qc->tf.ctl & ATA_NIEN))
+	if (unlikely(!qc || qc->tf.ctl & ATA_NIEN)) {
+		ata_port_printk(ap, KERN_ERR, "XXX: qc=%p ctl=%x\n", qc, qc ? qc->tf.ctl : 0);
 		goto freeze;
+	}
 
 	/* Check whether we are expecting interrupt in this state */
 	switch (ap->hsm_task_state) {
@@ -415,13 +418,17 @@ static void sil_host_intr(struct ata_por
 	case HSM_ST:
 		break;
 	default:
+		ata_port_printk(ap, KERN_ERR, "XXX: HSM=%d\n", ap->hsm_task_state);
 		goto err_hsm;
 	}
 
 	/* check main status, clearing INTRQ */
 	status = ata_chk_status(ap);
-	if (unlikely(status & ATA_BUSY))
+	if (unlikely(status & ATA_BUSY)) {
+		ata_port_printk(ap, KERN_ERR, "XXX: BUSY status=%x\n",
+				status);
 		goto err_hsm;
+	}
 
 	/* ack bmdma irq events */
 	ata_bmdma_irq_clear(ap);
@@ -434,6 +441,7 @@ static void sil_host_intr(struct ata_por
  err_hsm:
 	qc->err_mask |= AC_ERR_HSM;
  freeze:
+	ap->eh_info.action |= ATA_EH_HARDRESET;
 	ata_port_freeze(ap);
 }