diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 535505d5ece4..2461f4f6af29 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -253,6 +253,8 @@ static int hpsa_scsi_ioaccel_queue_command(struct ctlr_info *h,
 	struct CommandList *c, u32 ioaccel_handle, u8 *cdb, int cdb_len,
 	u8 *scsi3addr, struct hpsa_scsi_dev_t *phys_disk);
 static void hpsa_command_resubmit_worker(struct work_struct *work);
+static u32 lockup_detected(struct ctlr_info *h);
+static int detect_controller_lockup(struct ctlr_info *h);
 
 static inline struct ctlr_info *sdev_to_hba(struct scsi_device *sdev)
 {
@@ -748,30 +750,43 @@ static inline u32 next_command(struct ctlr_info *h, u8 q)
  * a separate special register for submitting commands.
  */
 
-/* set_performant_mode: Modify the tag for cciss performant
+/*
+ * set_performant_mode: Modify the tag for cciss performant
  * set bit 0 for pull model, bits 3-1 for block fetch
  * register number
  */
-static void set_performant_mode(struct ctlr_info *h, struct CommandList *c)
+#define DEFAULT_REPLY_QUEUE (-1)
+static void set_performant_mode(struct ctlr_info *h, struct CommandList *c,
+					int reply_queue)
 {
 	if (likely(h->transMethod & CFGTBL_Trans_Performant)) {
 		c->busaddr |= 1 | (h->blockFetchTable[c->Header.SGList] << 1);
-		if (likely(h->msix_vector > 0))
+		if (unlikely(!h->msix_vector))
+			return;
+		if (likely(reply_queue == DEFAULT_REPLY_QUEUE))
 			c->Header.ReplyQueue =
 				raw_smp_processor_id() % h->nreply_queues;
+		else
+			c->Header.ReplyQueue = reply_queue % h->nreply_queues;
 	}
 }
 
 static void set_ioaccel1_performant_mode(struct ctlr_info *h,
-						struct CommandList *c)
+						struct CommandList *c,
+						int reply_queue)
 {
 	struct io_accel1_cmd *cp = &h->ioaccel_cmd_pool[c->cmdindex];
 
-	/* Tell the controller to post the reply to the queue for this
+	/*
+	 * Tell the controller to post the reply to the queue for this
 	 * processor.  This seems to give the best I/O throughput.
 	 */
-	cp->ReplyQueue = smp_processor_id() % h->nreply_queues;
-	/* Set the bits in the address sent down to include:
+	if (likely(reply_queue == DEFAULT_REPLY_QUEUE))
+		cp->ReplyQueue = smp_processor_id() % h->nreply_queues;
+	else
+		cp->ReplyQueue = reply_queue % h->nreply_queues;
+	/*
+	 * Set the bits in the address sent down to include:
 	 *  - performant mode bit (bit 0)
 	 *  - pull count (bits 1-3)
 	 *  - command type (bits 4-6)
@@ -781,15 +796,21 @@ static void set_ioaccel1_performant_mode(struct ctlr_info *h,
 }
 
 static void set_ioaccel2_performant_mode(struct ctlr_info *h,
-						struct CommandList *c)
+						struct CommandList *c,
+						int reply_queue)
 {
 	struct io_accel2_cmd *cp = &h->ioaccel2_cmd_pool[c->cmdindex];
 
-	/* Tell the controller to post the reply to the queue for this
+	/*
+	 * Tell the controller to post the reply to the queue for this
 	 * processor.  This seems to give the best I/O throughput.
 	 */
-	cp->reply_queue = smp_processor_id() % h->nreply_queues;
-	/* Set the bits in the address sent down to include:
+	if (likely(reply_queue == DEFAULT_REPLY_QUEUE))
+		cp->reply_queue = smp_processor_id() % h->nreply_queues;
+	else
+		cp->reply_queue = reply_queue % h->nreply_queues;
+	/*
+	 * Set the bits in the address sent down to include:
 	 *  - performant mode bit not used in ioaccel mode 2
 	 *  - pull count (bits 0-3)
 	 *  - command type isn't needed for ioaccel2
@@ -826,26 +847,32 @@ static void dial_up_lockup_detection_on_fw_flash_complete(struct ctlr_info *h,
 		h->heartbeat_sample_interval = HEARTBEAT_SAMPLE_INTERVAL;
 }
 
-static void enqueue_cmd_and_start_io(struct ctlr_info *h,
-	struct CommandList *c)
+static void __enqueue_cmd_and_start_io(struct ctlr_info *h,
+	struct CommandList *c, int reply_queue)
 {
 	dial_down_lockup_detection_during_fw_flash(h, c);
 	atomic_inc(&h->commands_outstanding);
 	switch (c->cmd_type) {
 	case CMD_IOACCEL1:
-		set_ioaccel1_performant_mode(h, c);
+		set_ioaccel1_performant_mode(h, c, reply_queue);
 		writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET);
 		break;
 	case CMD_IOACCEL2:
-		set_ioaccel2_performant_mode(h, c);
+		set_ioaccel2_performant_mode(h, c, reply_queue);
 		writel(c->busaddr, h->vaddr + IOACCEL2_INBOUND_POSTQ_32);
 		break;
 	default:
-		set_performant_mode(h, c);
+		set_performant_mode(h, c, reply_queue);
 		h->access.submit_command(h, c);
 	}
 }
 
+static void enqueue_cmd_and_start_io(struct ctlr_info *h,
+					struct CommandList *c)
+{
+	__enqueue_cmd_and_start_io(h, c, DEFAULT_REPLY_QUEUE);
+}
+
 static inline int is_hba_lunid(unsigned char scsi3addr[])
 {
 	return memcmp(scsi3addr, RAID_CTLR_LUNID, 8) == 0;
@@ -1842,6 +1869,19 @@ static void complete_scsi_command(struct CommandList *cp)
 	if (cp->cmd_type == CMD_IOACCEL2 || cp->cmd_type == CMD_IOACCEL1)
 		atomic_dec(&cp->phys_disk->ioaccel_cmds_out);
 
+	/*
+	 * We check for lockup status here as it may be set for
+	 * CMD_SCSI, CMD_IOACCEL1 and CMD_IOACCEL2 commands by
+	 * fail_all_oustanding_cmds()
+	 */
+	if (unlikely(ei->CommandStatus == CMD_CTLR_LOCKUP)) {
+		/* DID_NO_CONNECT will prevent a retry */
+		cmd->result = DID_NO_CONNECT << 16;
+		cmd_free(h, cp);
+		cmd->scsi_done(cmd);
+		return;
+	}
+
 	if (cp->cmd_type == CMD_IOACCEL2)
 		return process_ioaccel2_completion(h, cp, cmd, dev);
 
@@ -2056,14 +2096,36 @@ static int hpsa_map_one(struct pci_dev *pdev,
 	return 0;
 }
 
-static inline void hpsa_scsi_do_simple_cmd_core(struct ctlr_info *h,
-	struct CommandList *c)
+#define NO_TIMEOUT ((unsigned long) -1)
+#define DEFAULT_TIMEOUT 30000 /* milliseconds */
+static int hpsa_scsi_do_simple_cmd_core(struct ctlr_info *h,
+	struct CommandList *c, int reply_queue, unsigned long timeout_msecs)
 {
 	DECLARE_COMPLETION_ONSTACK(wait);
 
 	c->waiting = &wait;
-	enqueue_cmd_and_start_io(h, c);
-	wait_for_completion(&wait);
+	__enqueue_cmd_and_start_io(h, c, reply_queue);
+	if (timeout_msecs == NO_TIMEOUT) {
+		/* TODO: get rid of this no-timeout thing */
+		wait_for_completion_io(&wait);
+		return IO_OK;
+	}
+	if (!wait_for_completion_io_timeout(&wait,
+					msecs_to_jiffies(timeout_msecs))) {
+		dev_warn(&h->pdev->dev, "Command timed out.\n");
+		return -ETIMEDOUT;
+	}
+	return IO_OK;
+}
+
+static int hpsa_scsi_do_simple_cmd(struct ctlr_info *h, struct CommandList *c,
+				   int reply_queue, unsigned long timeout_msecs)
+{
+	if (unlikely(lockup_detected(h))) {
+		c->err_info->CommandStatus = CMD_CTLR_LOCKUP;
+		return IO_OK;
+	}
+	return hpsa_scsi_do_simple_cmd_core(h, c, reply_queue, timeout_msecs);
 }
 
 static u32 lockup_detected(struct ctlr_info *h)
@@ -2078,25 +2140,19 @@ static u32 lockup_detected(struct ctlr_info *h)
 	return rc;
 }
 
-static void hpsa_scsi_do_simple_cmd_core_if_no_lockup(struct ctlr_info *h,
-	struct CommandList *c)
-{
-	/* If controller lockup detected, fake a hardware error. */
-	if (unlikely(lockup_detected(h)))
-		c->err_info->CommandStatus = CMD_HARDWARE_ERR;
-	else
-		hpsa_scsi_do_simple_cmd_core(h, c);
-}
-
 #define MAX_DRIVER_CMD_RETRIES 25
-static void hpsa_scsi_do_simple_cmd_with_retry(struct ctlr_info *h,
-	struct CommandList *c, int data_direction)
+static int hpsa_scsi_do_simple_cmd_with_retry(struct ctlr_info *h,
+	struct CommandList *c, int data_direction, unsigned long timeout_msecs)
 {
 	int backoff_time = 10, retry_count = 0;
+	int rc;
 
 	do {
 		memset(c->err_info, 0, sizeof(*c->err_info));
-		hpsa_scsi_do_simple_cmd_core(h, c);
+		rc = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE,
+						  timeout_msecs);
+		if (rc)
+			break;
 		retry_count++;
 		if (retry_count > 3) {
 			msleep(backoff_time);
@@ -2107,6 +2163,9 @@ static void hpsa_scsi_do_simple_cmd_with_retry(struct ctlr_info *h,
 			check_for_busy(h, c)) &&
 			retry_count <= MAX_DRIVER_CMD_RETRIES);
 	hpsa_pci_unmap(h->pdev, c, 1, data_direction);
+	if (retry_count > MAX_DRIVER_CMD_RETRIES)
+		rc = -EIO;
+	return rc;
 }
 
 static void hpsa_print_cmd(struct ctlr_info *h, char *txt,
@@ -2183,6 +2242,9 @@ static void hpsa_scsi_interpret_error(struct ctlr_info *h,
 	case CMD_UNABORTABLE:
 		hpsa_print_cmd(h, "unabortable", cp);
 		break;
+	case CMD_CTLR_LOCKUP:
+		hpsa_print_cmd(h, "controller lockup detected", cp);
+		break;
 	default:
 		hpsa_print_cmd(h, "unknown status", cp);
 		dev_warn(d, "Unknown command status %x\n",
@@ -2210,7 +2272,10 @@ static int hpsa_scsi_do_inquiry(struct ctlr_info *h, unsigned char *scsi3addr,
 		rc = -1;
 		goto out;
 	}
-	hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_FROMDEVICE);
+	rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
+					PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+	if (rc)
+		goto out;
 	ei = c->err_info;
 	if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) {
 		hpsa_scsi_interpret_error(h, c);
@@ -2240,7 +2305,10 @@ static int hpsa_bmic_ctrl_mode_sense(struct ctlr_info *h,
 		rc = -1;
 		goto out;
 	}
-	hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_FROMDEVICE);
+	rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
+			PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+	if (rc)
+		goto out;
 	ei = c->err_info;
 	if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) {
 		hpsa_scsi_interpret_error(h, c);
@@ -2252,7 +2320,7 @@ out:
 	}
 
 static int hpsa_send_reset(struct ctlr_info *h, unsigned char *scsi3addr,
-	u8 reset_type)
+	u8 reset_type, int reply_queue)
 {
 	int rc = IO_OK;
 	struct CommandList *c;
@@ -2269,7 +2337,11 @@ static int hpsa_send_reset(struct ctlr_info *h, unsigned char *scsi3addr,
 	(void) fill_cmd(c, HPSA_DEVICE_RESET_MSG, h, NULL, 0, 0,
 			scsi3addr, TYPE_MSG);
 	c->Request.CDB[1] = reset_type; /* fill_cmd defaults to LUN reset */
-	hpsa_scsi_do_simple_cmd_core(h, c);
+	rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, NO_TIMEOUT);
+	if (rc) {
+		dev_warn(&h->pdev->dev, "Failed to send reset command\n");
+		goto out;
+	}
 	/* no unmap needed here because no data xfer. */
 
 	ei = c->err_info;
@@ -2277,6 +2349,7 @@ static int hpsa_send_reset(struct ctlr_info *h, unsigned char *scsi3addr,
 		hpsa_scsi_interpret_error(h, c);
 		rc = -1;
 	}
+out:
 	cmd_free(h, c);
 	return rc;
 }
@@ -2394,15 +2467,18 @@ static int hpsa_get_raid_map(struct ctlr_info *h,
 			sizeof(this_device->raid_map), 0,
 			scsi3addr, TYPE_CMD)) {
 		dev_warn(&h->pdev->dev, "Out of memory in hpsa_get_raid_map()\n");
-		cmd_free(h, c);
-		return -ENOMEM;
+		rc = -ENOMEM;
+		goto out;
 	}
-	hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_FROMDEVICE);
+	rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
+					PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+	if (rc)
+		goto out;
 	ei = c->err_info;
 	if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) {
 		hpsa_scsi_interpret_error(h, c);
-		cmd_free(h, c);
-		return -1;
+		rc = -1;
+		goto out;
 	}
 	cmd_free(h, c);
 
@@ -2414,6 +2490,9 @@ static int hpsa_get_raid_map(struct ctlr_info *h,
 	}
 	hpsa_debug_map_buff(h, rc, &this_device->raid_map);
 	return rc;
+out:
+	cmd_free(h, c);
+	return rc;
 }
 
 static int hpsa_bmic_id_physical_device(struct ctlr_info *h,
@@ -2433,7 +2512,8 @@ static int hpsa_bmic_id_physical_device(struct ctlr_info *h,
 	c->Request.CDB[2] = bmic_device_index & 0xff;
 	c->Request.CDB[9] = (bmic_device_index >> 8) & 0xff;
 
-	hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_FROMDEVICE);
+	hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_FROMDEVICE,
+						NO_TIMEOUT);
 	ei = c->err_info;
 	if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) {
 		hpsa_scsi_interpret_error(h, c);
@@ -2568,7 +2648,10 @@ static int hpsa_scsi_do_report_luns(struct ctlr_info *h, int logical,
 	}
 	if (extended_response)
 		c->Request.CDB[1] = extended_response;
-	hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_FROMDEVICE);
+	rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
+					PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+	if (rc)
+		goto out;
 	ei = c->err_info;
 	if (ei->CommandStatus != 0 &&
 	    ei->CommandStatus != CMD_DATA_UNDERRUN) {
@@ -2661,7 +2744,7 @@ static int hpsa_volume_offline(struct ctlr_info *h,
 {
 	struct CommandList *c;
 	unsigned char *sense, sense_key, asc, ascq;
-	int ldstat = 0;
+	int rc, ldstat = 0;
 	u16 cmd_status;
 	u8 scsi_status;
 #define ASC_LUN_NOT_READY 0x04
@@ -2672,7 +2755,11 @@ static int hpsa_volume_offline(struct ctlr_info *h,
 	if (!c)
 		return 0;
 	(void) fill_cmd(c, TEST_UNIT_READY, h, NULL, 0, 0, scsi3addr, TYPE_CMD);
-	hpsa_scsi_do_simple_cmd_core(h, c);
+	rc = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, NO_TIMEOUT);
+	if (rc) {
+		cmd_free(h, c);
+		return 0;
+	}
 	sense = c->err_info->SenseInfo;
 	sense_key = sense[2];
 	asc = sense[12];
@@ -4005,7 +4092,11 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info *h,
 						dev->phys_disk[map_index]);
 }
 
-/* Submit commands down the "normal" RAID stack path */
+/*
+ * Submit commands down the "normal" RAID stack path
+ * All callers to hpsa_ciss_submit must check lockup_detected
+ * beforehand, before (opt.) and after calling cmd_alloc
+ */
 static int hpsa_ciss_submit(struct ctlr_info *h,
 	struct CommandList *c, struct scsi_cmnd *cmd,
 	unsigned char scsi3addr[])
@@ -4116,7 +4207,7 @@ static int hpsa_scsi_queue_command(struct Scsi_Host *sh, struct scsi_cmnd *cmd)
 	memcpy(scsi3addr, dev->scsi3addr, sizeof(scsi3addr));
 
 	if (unlikely(lockup_detected(h))) {
-		cmd->result = DID_ERROR << 16;
+		cmd->result = DID_NO_CONNECT << 16;
 		cmd->scsi_done(cmd);
 		return 0;
 	}
@@ -4126,7 +4217,7 @@ static int hpsa_scsi_queue_command(struct Scsi_Host *sh, struct scsi_cmnd *cmd)
 		return SCSI_MLQUEUE_HOST_BUSY;
 	}
 	if (unlikely(lockup_detected(h))) {
-		cmd->result = DID_ERROR << 16;
+		cmd->result = DID_NO_CONNECT << 16;
 		cmd_free(h, c);
 		cmd->scsi_done(cmd);
 		return 0;
@@ -4321,7 +4412,10 @@ static int wait_for_device_to_become_ready(struct ctlr_info *h,
 		/* Send the Test Unit Ready, fill_cmd can't fail, no mapping */
 		(void) fill_cmd(c, TEST_UNIT_READY, h,
 				NULL, 0, 0, lunaddr, TYPE_CMD);
-		hpsa_scsi_do_simple_cmd_core(h, c);
+		rc = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE,
+						NO_TIMEOUT);
+		if (rc)
+			goto do_it_again;
 		/* no unmap needed here because no data xfer. */
 
 		if (c->err_info->CommandStatus == CMD_SUCCESS)
@@ -4332,7 +4426,7 @@ static int wait_for_device_to_become_ready(struct ctlr_info *h,
 			(c->err_info->SenseInfo[2] == NO_SENSE ||
 			c->err_info->SenseInfo[2] == UNIT_ATTENTION))
 			break;
-
+do_it_again:
 		dev_warn(&h->pdev->dev, "waiting %d secs "
 			"for device to become ready.\n", waittime);
 		rc = 1; /* device not ready. */
@@ -4370,13 +4464,36 @@ static int hpsa_eh_device_reset_handler(struct scsi_cmnd *scsicmd)
 			"device lookup failed.\n");
 		return FAILED;
 	}
-	dev_warn(&h->pdev->dev, "resetting device %d:%d:%d:%d\n",
-		h->scsi_host->host_no, dev->bus, dev->target, dev->lun);
+
+	/* if controller locked up, we can guarantee command won't complete */
+	if (lockup_detected(h)) {
+		dev_warn(&h->pdev->dev,
+			"scsi %d:%d:%d:%d RESET FAILED, lockup detected\n",
+			h->scsi_host->host_no, dev->bus, dev->target,
+			dev->lun);
+		return FAILED;
+	}
+
+	/* this reset request might be the result of a lockup; check */
+	if (detect_controller_lockup(h)) {
+		dev_warn(&h->pdev->dev,
+			 "scsi %d:%d:%d:%d RESET FAILED, new lockup detected\n",
+			 h->scsi_host->host_no, dev->bus, dev->target,
+			 dev->lun);
+		return FAILED;
+	}
+
+	hpsa_show_dev_msg(KERN_WARNING, h, dev, "resetting");
+
 	/* send a reset to the SCSI LUN which the command was sent to */
-	rc = hpsa_send_reset(h, dev->scsi3addr, HPSA_RESET_TYPE_LUN);
+	rc = hpsa_send_reset(h, dev->scsi3addr, HPSA_RESET_TYPE_LUN,
+			     DEFAULT_REPLY_QUEUE);
 	if (rc == 0 && wait_for_device_to_become_ready(h, dev->scsi3addr) == 0)
 		return SUCCESS;
 
+	dev_warn(&h->pdev->dev,
+		"scsi %d:%d:%d:%d reset failed\n",
+		h->scsi_host->host_no, dev->bus, dev->target, dev->lun);
 	return FAILED;
 }
 
@@ -4421,7 +4538,7 @@ static void hpsa_get_tag(struct ctlr_info *h,
 }
 
 static int hpsa_send_abort(struct ctlr_info *h, unsigned char *scsi3addr,
-	struct CommandList *abort, int swizzle)
+	struct CommandList *abort, int swizzle, int reply_queue)
 {
 	int rc = IO_OK;
 	struct CommandList *c;
@@ -4439,9 +4556,9 @@ static int hpsa_send_abort(struct ctlr_info *h, unsigned char *scsi3addr,
 		0, 0, scsi3addr, TYPE_MSG);
 	if (swizzle)
 		swizzle_abort_tag(&c->Request.CDB[4]);
-	hpsa_scsi_do_simple_cmd_core(h, c);
+	(void) hpsa_scsi_do_simple_cmd(h, c, reply_queue, NO_TIMEOUT);
 	hpsa_get_tag(h, abort, &taglower, &tagupper);
-	dev_dbg(&h->pdev->dev, "%s: Tag:0x%08x:%08x: do_simple_cmd_core completed.\n",
+	dev_dbg(&h->pdev->dev, "%s: Tag:0x%08x:%08x: do_simple_cmd(abort) completed.\n",
 		__func__, tagupper, taglower);
 	/* no unmap needed here because no data xfer. */
 
@@ -4473,7 +4590,7 @@ static int hpsa_send_abort(struct ctlr_info *h, unsigned char *scsi3addr,
  */
 
 static int hpsa_send_reset_as_abort_ioaccel2(struct ctlr_info *h,
-	unsigned char *scsi3addr, struct CommandList *abort)
+	unsigned char *scsi3addr, struct CommandList *abort, int reply_queue)
 {
 	int rc = IO_OK;
 	struct scsi_cmnd *scmd; /* scsi command within request being aborted */
@@ -4516,7 +4633,7 @@ static int hpsa_send_reset_as_abort_ioaccel2(struct ctlr_info *h,
 			"Reset as abort: Resetting physical device at scsi3addr 0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
 			psa[0], psa[1], psa[2], psa[3],
 			psa[4], psa[5], psa[6], psa[7]);
-	rc = hpsa_send_reset(h, psa, HPSA_RESET_TYPE_TARGET);
+	rc = hpsa_send_reset(h, psa, HPSA_RESET_TYPE_TARGET, reply_queue);
 	if (rc != 0) {
 		dev_warn(&h->pdev->dev,
 			"Reset as abort: Failed on physical device at scsi3addr 0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
@@ -4550,7 +4667,7 @@ static int hpsa_send_reset_as_abort_ioaccel2(struct ctlr_info *h,
  * make this true someday become false.
  */
 static int hpsa_send_abort_both_ways(struct ctlr_info *h,
-	unsigned char *scsi3addr, struct CommandList *abort)
+	unsigned char *scsi3addr, struct CommandList *abort, int reply_queue)
 {
 	/* ioccelerator mode 2 commands should be aborted via the
 	 * accelerated path, since RAID path is unaware of these commands,
@@ -4558,10 +4675,20 @@ static int hpsa_send_abort_both_ways(struct ctlr_info *h,
 	 * Change abort to physical device reset.
 	 */
 	if (abort->cmd_type == CMD_IOACCEL2)
-		return hpsa_send_reset_as_abort_ioaccel2(h, scsi3addr, abort);
+		return hpsa_send_reset_as_abort_ioaccel2(h, scsi3addr,
+							abort, reply_queue);
 
-	return hpsa_send_abort(h, scsi3addr, abort, 0) &&
-			hpsa_send_abort(h, scsi3addr, abort, 1);
+	return hpsa_send_abort(h, scsi3addr, abort, 0, reply_queue) &&
+			hpsa_send_abort(h, scsi3addr, abort, 1, reply_queue);
+}
+
+/* Find out which reply queue a command was meant to return on */
+static int hpsa_extract_reply_queue(struct ctlr_info *h,
+					struct CommandList *c)
+{
+	if (c->cmd_type == CMD_IOACCEL2)
+		return h->ioaccel2_cmd_pool[c->cmdindex].reply_queue;
+	return c->Header.ReplyQueue;
 }
 
 /* Send an abort for the specified command.
@@ -4579,7 +4706,10 @@ static int hpsa_eh_abort_handler(struct scsi_cmnd *sc)
 	char msg[256];		/* For debug messaging. */
 	int ml = 0;
 	__le32 tagupper, taglower;
-	int refcount;
+	int refcount, reply_queue;
+
+	if (sc == NULL)
+		return FAILED;
 
 	/* Find the controller of the command to be aborted */
 	h = sdev_to_hba(sc->device);
@@ -4587,8 +4717,27 @@ static int hpsa_eh_abort_handler(struct scsi_cmnd *sc)
 			"ABORT REQUEST FAILED, Controller lookup failed.\n"))
 		return FAILED;
 
-	if (lockup_detected(h))
+	/* Find the device of the command to be aborted */
+	dev = sc->device->hostdata;
+	if (!dev) {
+		dev_err(&h->pdev->dev, "%s FAILED, Device lookup failed.\n",
+				msg);
 		return FAILED;
+	}
+
+	/* If controller locked up, we can guarantee command won't complete */
+	if (lockup_detected(h)) {
+		hpsa_show_dev_msg(KERN_WARNING, h, dev,
+					"ABORT FAILED, lockup detected");
+		return FAILED;
+	}
+
+	/* This is a good time to check if controller lockup has occurred */
+	if (detect_controller_lockup(h)) {
+		hpsa_show_dev_msg(KERN_WARNING, h, dev,
+					"ABORT FAILED, new lockup detected");
+		return FAILED;
+	}
 
 	/* Check that controller supports some kind of task abort */
 	if (!(HPSATMF_PHYS_TASK_ABORT & h->TMFSupportFlags) &&
@@ -4601,14 +4750,6 @@ static int hpsa_eh_abort_handler(struct scsi_cmnd *sc)
 		sc->device->id, sc->device->lun,
 		"Aborting command");
 
-	/* Find the device of the command to be aborted */
-	dev = sc->device->hostdata;
-	if (!dev) {
-		dev_err(&h->pdev->dev, "%s FAILED, Device lookup failed.\n",
-				msg);
-		return FAILED;
-	}
-
 	/* Get SCSI command to be aborted */
 	abort = (struct CommandList *) sc->host_scribble;
 	if (abort == NULL) {
@@ -4621,6 +4762,7 @@ static int hpsa_eh_abort_handler(struct scsi_cmnd *sc)
 		return SUCCESS;
 	}
 	hpsa_get_tag(h, abort, &taglower, &tagupper);
+	reply_queue = hpsa_extract_reply_queue(h, abort);
 	ml += sprintf(msg+ml, "Tag:0x%08x:%08x ", tagupper, taglower);
 	as  = abort->scsi_cmd;
 	if (as != NULL)
@@ -4633,7 +4775,7 @@ static int hpsa_eh_abort_handler(struct scsi_cmnd *sc)
 	 * by the firmware (but not to the scsi mid layer) but we can't
 	 * distinguish which.  Send the abort down.
 	 */
-	rc = hpsa_send_abort_both_ways(h, dev->scsi3addr, abort);
+	rc = hpsa_send_abort_both_ways(h, dev->scsi3addr, abort, reply_queue);
 	if (rc != 0) {
 		hpsa_show_dev_msg(KERN_WARNING, h, dev,
 					"FAILED to abort command");
@@ -4956,10 +5098,14 @@ static int hpsa_passthru_ioctl(struct ctlr_info *h, void __user *argp)
 		c->SG[0].Len = cpu_to_le32(iocommand.buf_size);
 		c->SG[0].Ext = cpu_to_le32(HPSA_SG_LAST); /* not chaining */
 	}
-	hpsa_scsi_do_simple_cmd_core_if_no_lockup(h, c);
+	rc = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, NO_TIMEOUT);
 	if (iocommand.buf_size > 0)
 		hpsa_pci_unmap(h->pdev, c, 1, PCI_DMA_BIDIRECTIONAL);
 	check_ioctl_unit_attention(h, c);
+	if (rc) {
+		rc = -EIO;
+		goto out;
+	}
 
 	/* Copy the error information out */
 	memcpy(&iocommand.error_info, c->err_info,
@@ -5086,10 +5232,15 @@ static int hpsa_big_passthru_ioctl(struct ctlr_info *h, void __user *argp)
 		}
 		c->SG[--i].Ext = cpu_to_le32(HPSA_SG_LAST);
 	}
-	hpsa_scsi_do_simple_cmd_core_if_no_lockup(h, c);
+	status = hpsa_scsi_do_simple_cmd(h, c, DEFAULT_REPLY_QUEUE, NO_TIMEOUT);
 	if (sg_used)
 		hpsa_pci_unmap(h->pdev, c, sg_used, PCI_DMA_BIDIRECTIONAL);
 	check_ioctl_unit_attention(h, c);
+	if (status) {
+		status = -EIO;
+		goto cleanup0;
+	}
+
 	/* Copy the error information out */
 	memcpy(&ioc->error_info, c->err_info, sizeof(ioc->error_info));
 	if (copy_to_user(argp, ioc, sizeof(*ioc))) {
@@ -6227,6 +6378,8 @@ static int hpsa_wait_for_mode_change_ack(struct ctlr_info *h)
 	 * as we enter this code.)
 	 */
 	for (i = 0; i < MAX_MODE_CHANGE_WAIT; i++) {
+		if (h->remove_in_progress)
+			goto done;
 		spin_lock_irqsave(&h->lock, flags);
 		doorbell_value = readl(h->vaddr + SA5_DOORBELL);
 		spin_unlock_irqrestore(&h->lock, flags);
@@ -6622,17 +6775,21 @@ static void fail_all_outstanding_cmds(struct ctlr_info *h)
 {
 	int i, refcount;
 	struct CommandList *c;
+	int failcount = 0;
 
 	flush_workqueue(h->resubmit_wq); /* ensure all cmds are fully built */
 	for (i = 0; i < h->nr_cmds; i++) {
 		c = h->cmd_pool + i;
 		refcount = atomic_inc_return(&c->refcount);
 		if (refcount > 1) {
-			c->err_info->CommandStatus = CMD_HARDWARE_ERR;
+			c->err_info->CommandStatus = CMD_CTLR_LOCKUP;
 			finish_cmd(c);
+			failcount++;
 		}
 		cmd_free(h, c);
 	}
+	dev_warn(&h->pdev->dev,
+		"failed %d commands in fail_all\n", failcount);
 }
 
 static void set_lockup_detected_for_all_cpus(struct ctlr_info *h, u32 value)
@@ -6658,18 +6815,19 @@ static void controller_lockup_detected(struct ctlr_info *h)
 	if (!lockup_detected) {
 		/* no heartbeat, but controller gave us a zero. */
 		dev_warn(&h->pdev->dev,
-			"lockup detected but scratchpad register is zero\n");
+			"lockup detected after %d but scratchpad register is zero\n",
+			h->heartbeat_sample_interval / HZ);
 		lockup_detected = 0xffffffff;
 	}
 	set_lockup_detected_for_all_cpus(h, lockup_detected);
 	spin_unlock_irqrestore(&h->lock, flags);
-	dev_warn(&h->pdev->dev, "Controller lockup detected: 0x%08x\n",
-			lockup_detected);
+	dev_warn(&h->pdev->dev, "Controller lockup detected: 0x%08x after %d\n",
+			lockup_detected, h->heartbeat_sample_interval / HZ);
 	pci_disable_device(h->pdev);
 	fail_all_outstanding_cmds(h);
 }
 
-static void detect_controller_lockup(struct ctlr_info *h)
+static int detect_controller_lockup(struct ctlr_info *h)
 {
 	u64 now;
 	u32 heartbeat;
@@ -6679,7 +6837,7 @@ static void detect_controller_lockup(struct ctlr_info *h)
 	/* If we've received an interrupt recently, we're ok. */
 	if (time_after64(h->last_intr_timestamp +
 				(h->heartbeat_sample_interval), now))
-		return;
+		return false;
 
 	/*
 	 * If we've already checked the heartbeat recently, we're ok.
@@ -6688,7 +6846,7 @@ static void detect_controller_lockup(struct ctlr_info *h)
 	 */
 	if (time_after64(h->last_heartbeat_timestamp +
 				(h->heartbeat_sample_interval), now))
-		return;
+		return false;
 
 	/* If heartbeat has not changed since we last looked, we're not ok. */
 	spin_lock_irqsave(&h->lock, flags);
@@ -6696,12 +6854,13 @@ static void detect_controller_lockup(struct ctlr_info *h)
 	spin_unlock_irqrestore(&h->lock, flags);
 	if (h->last_heartbeat == heartbeat) {
 		controller_lockup_detected(h);
-		return;
+		return true;
 	}
 
 	/* We're ok. */
 	h->last_heartbeat = heartbeat;
 	h->last_heartbeat_timestamp = now;
+	return false;
 }
 
 static void hpsa_ack_ctlr_events(struct ctlr_info *h)
@@ -7052,8 +7211,10 @@ static void hpsa_flush_cache(struct ctlr_info *h)
 {
 	char *flush_buf;
 	struct CommandList *c;
+	int rc;
 
 	/* Don't bother trying to flush the cache if locked up */
+	/* FIXME not necessary if do_simple_cmd does the check */
 	if (unlikely(lockup_detected(h)))
 		return;
 	flush_buf = kzalloc(4, GFP_KERNEL);
@@ -7069,7 +7230,10 @@ static void hpsa_flush_cache(struct ctlr_info *h)
 		RAID_CTLR_LUNID, TYPE_CMD)) {
 		goto out;
 	}
-	hpsa_scsi_do_simple_cmd_with_retry(h, c, PCI_DMA_TODEVICE);
+	rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
+					PCI_DMA_TODEVICE, NO_TIMEOUT);
+	if (rc)
+		goto out;
 	if (c->err_info->CommandStatus != 0)
 out:
 		dev_warn(&h->pdev->dev,
diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h
index 76d549964e84..f52c847db89f 100644
--- a/drivers/scsi/hpsa_cmd.h
+++ b/drivers/scsi/hpsa_cmd.h
@@ -43,6 +43,11 @@
 #define CMD_TIMEOUT             0x000B
 #define CMD_UNABORTABLE		0x000C
 #define CMD_IOACCEL_DISABLED	0x000E
+#define CMD_CTLR_LOCKUP		0xffff
+/* Note: CMD_CTLR_LOCKUP is not a value defined by the CISS spec
+ * it is a value defined by the driver that commands can be marked
+ * with when a controller lockup has been detected by the driver
+ */
 
 
 /* Unit Attentions ASC's as defined for the MSA2012sa */