diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 14629a3..387235f 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4453,9 +4453,13 @@ fsm_start:
 			if (likely(status & (ATA_ERR | ATA_DF)))
 				/* device stops HSM for abort/error */
 				qc->err_mask |= AC_ERR_DEV;
-			else
+			else {
 				/* HSM violation. Let EH handle this */
+				ata_port_printk(ap, KERN_WARNING,
+						"!DRQ on HSM_ST_FIRST (0x%x)\n",
+						status);
 				qc->err_mask |= AC_ERR_HSM;
+			}
 
 			ap->hsm_task_state = HSM_ST_ERR;
 			goto fsm_start;
@@ -4547,13 +4551,17 @@ fsm_start:
 				if (likely(status & (ATA_ERR | ATA_DF)))
 					/* device stops HSM for abort/error */
 					qc->err_mask |= AC_ERR_DEV;
-				else
+				else {
+					ata_port_printk(ap, KERN_WARNING,
+						"!DRQ on HSM_ST (0x%x)\n",
+						status);
 					/* HSM violation. Let EH handle this.
 					 * Phantom devices also trigger this
 					 * condition.  Mark hint.
 					 */
 					qc->err_mask |= AC_ERR_HSM |
 							AC_ERR_NODEV_HINT;
+				}
 
 				ap->hsm_task_state = HSM_ST_ERR;
 				goto fsm_start;
@@ -4579,8 +4587,12 @@ fsm_start:
 					status = ata_wait_idle(ap);
 				}
 
-				if (status & (ATA_BUSY | ATA_DRQ))
+				if (status & (ATA_BUSY | ATA_DRQ)) {
+					ata_port_printk(ap, KERN_WARNING,
+						"BUSY|DRQ on ERR|DF (0x%x)\n",
+						status);
 					qc->err_mask |= AC_ERR_HSM;
+				}
 
 				/* ata_pio_sectors() might change the
 				 * state to HSM_ST_LAST. so, the state