diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 3d21d7d..0c4e27e 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -5,7 +5,7 @@
  * based on the old aacraid driver that is..
  * Adaptec aacraid device driver for Linux.
  *
- * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
+ * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -172,6 +172,30 @@
 int expose_physicals = -1;
 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. -1=protect 0=off, 1=on");
+
+
+static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
+		struct fib *fibptr) {
+	struct scsi_device *device;
+
+	if (unlikely(!scsicmd || !scsicmd->scsi_done )) {
+		dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"))
+;
+                aac_fib_complete(fibptr);
+                aac_fib_free(fibptr);
+                return 0;
+        }
+	scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
+	device = scsicmd->device;
+	if (unlikely(!device || !scsi_device_online(device))) {
+		dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
+		aac_fib_complete(fibptr);
+		aac_fib_free(fibptr);
+		return 0;
+	}
+	return 1;
+}
+
 /**
  *	aac_get_config_status	-	check the adapter configuration
  *	@common: adapter to query
@@ -342,6 +366,9 @@
 	scsicmd = (struct scsi_cmnd *) context;
 	scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 
+	if (!aac_valid_context(scsicmd, fibptr))
+		return;
+
 	dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 	BUG_ON(fibptr == NULL);
 
@@ -431,9 +458,14 @@
 
 static int _aac_probe_container2(void * context, struct fib * fibptr)
 {
-	struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
-	struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
+	struct fsa_dev_info *fsa_dev_ptr;
 	int (*callback)(struct scsi_cmnd *);
+	struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
+
+	if (!aac_valid_context(scsicmd, fibptr))
+		return 0;
+
+	fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 
 	scsicmd->SCp.Status = 0;
 	if (fsa_dev_ptr) {
@@ -477,6 +509,9 @@
 	scsicmd = (struct scsi_cmnd *) context;
 	scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 
+	if (!aac_valid_context(scsicmd, fibptr))
+		return 0;
+
 	aac_fib_init(fibptr);
 
 	dinfo = (struct aac_query_mount *)fib_data(fibptr);
@@ -1287,6 +1322,9 @@
 	scsicmd = (struct scsi_cmnd *) context;
 	scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 
+	if (!aac_valid_context(scsicmd, fibptr))
+		return;
+
 	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 	cid = scmd_id(scsicmd);
 
@@ -1534,6 +1572,9 @@
 	cmd = context;
 	cmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 
+	if (!aac_valid_context(cmd, fibptr))
+		return;
+
 	dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n", 
 				smp_processor_id(), jiffies));
 	BUG_ON(fibptr == NULL);
@@ -2086,6 +2127,10 @@
 
 	scsicmd = (struct scsi_cmnd *) context;
 	scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
+
+	if (!aac_valid_context(scsicmd, fibptr))
+		return;
+
 	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 
 	BUG_ON(fibptr == NULL);
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 9ca594b..2c0994b 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -971,7 +971,6 @@
 	struct fib              *fibs;
 
 	struct fib		*free_fib;
-	struct fib		*timeout_fib;
 	spinlock_t		fib_lock;
 	
 	struct aac_queue_block *queues;
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index c933df3..a23d7e5 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -5,7 +5,7 @@
  * based on the old aacraid driver that is..
  * Adaptec aacraid device driver for Linux.
  *
- * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
+ * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -178,7 +178,6 @@
  *	@fibptr: fib to free up
  *
  *	Frees up a fib and places it on the appropriate queue
- *	(either free or timed out)
  */
  
 void aac_fib_free(struct fib *fibptr)
@@ -186,19 +185,15 @@
 	unsigned long flags;
 
 	spin_lock_irqsave(&fibptr->dev->fib_lock, flags);
-	if (fibptr->flags & FIB_CONTEXT_FLAG_TIMED_OUT) {
+	if (unlikely(fibptr->flags & FIB_CONTEXT_FLAG_TIMED_OUT))
 		aac_config.fib_timeouts++;
-		fibptr->next = fibptr->dev->timeout_fib;
-		fibptr->dev->timeout_fib = fibptr;
-	} else {
-		if (fibptr->hw_fib_va->header.XferState != 0) {
-			printk(KERN_WARNING "aac_fib_free, XferState != 0, fibptr = 0x%p, XferState = 0x%x\n",
-				 (void*)fibptr, 
-				 le32_to_cpu(fibptr->hw_fib_va->header.XferState));
-		}
-		fibptr->next = fibptr->dev->free_fib;
-		fibptr->dev->free_fib = fibptr;
-	}	
+	if (fibptr->hw_fib_va->header.XferState != 0) {
+		printk(KERN_WARNING "aac_fib_free, XferState != 0, fibptr = 0x%p, XferState = 0x%x\n",
+			 (void*)fibptr,
+			 le32_to_cpu(fibptr->hw_fib_va->header.XferState));
+	}
+	fibptr->next = fibptr->dev->free_fib;
+	fibptr->dev->free_fib = fibptr;
 	spin_unlock_irqrestore(&fibptr->dev->fib_lock, flags);
 }
 
diff --git a/drivers/scsi/aacraid/dpcsup.c b/drivers/scsi/aacraid/dpcsup.c
index 26f4d563..4e53f9d 100644
--- a/drivers/scsi/aacraid/dpcsup.c
+++ b/drivers/scsi/aacraid/dpcsup.c
@@ -5,7 +5,7 @@
  * based on the old aacraid driver that is..
  * Adaptec aacraid device driver for Linux.
  *
- * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
+ * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -84,11 +84,13 @@
 		 *	continue. The caller has already been notified that
 		 *	the fib timed out.
 		 */
-		if (!(fib->flags & FIB_CONTEXT_FLAG_TIMED_OUT))
-			dev->queues->queue[AdapNormCmdQueue].numpending--;
-		else {
-			printk(KERN_WARNING "aacraid: FIB timeout (%x).\n", fib->flags);
-			printk(KERN_DEBUG"aacraid: hwfib=%p fib index=%i fib=%p\n",hwfib, hwfib->header.SenderData,fib);
+		dev->queues->queue[AdapNormCmdQueue].numpending--;
+
+		if (unlikely(fib->flags & FIB_CONTEXT_FLAG_TIMED_OUT)) {
+			spin_unlock_irqrestore(q->lock, flags);
+			aac_fib_complete(fib);
+			aac_fib_free(fib);
+			spin_lock_irqsave(q->lock, flags);
 			continue;
 		}
 		spin_unlock_irqrestore(q->lock, flags);
@@ -281,14 +283,14 @@
 		 *	continue. The caller has already been notified that
 		 *	the fib timed out.
 		 */
-		if ((fib->flags & FIB_CONTEXT_FLAG_TIMED_OUT)) {
-			printk(KERN_WARNING "aacraid: FIB timeout (%x).\n", fib->flags);
-			printk(KERN_DEBUG"aacraid: hwfib=%p index=%i fib=%p\n",hwfib, hwfib->header.SenderData,fib);
+		dev->queues->queue[AdapNormCmdQueue].numpending--;
+
+		if (unlikely(fib->flags & FIB_CONTEXT_FLAG_TIMED_OUT)) {
+			aac_fib_complete(fib);
+			aac_fib_free(fib);
 			return 0;
 		}
 
-		dev->queues->queue[AdapNormCmdQueue].numpending--;
-
 		if (fast) {
 			/*
 			 *	Doctor the fib
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 0f948c2..3cf3f64 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -5,7 +5,7 @@
  * based on the old aacraid driver that is..
  * Adaptec aacraid device driver for Linux.
  *
- * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
+ * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -247,6 +247,19 @@
 
 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 {
+	struct Scsi_Host *host = cmd->device->host;
+	struct aac_dev *dev = (struct aac_dev *)host->hostdata;
+	u32 count = 0;
+	cmd->scsi_done = done;
+	for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
+		struct fib * fib = &dev->fibs[count];
+		struct scsi_cmnd * command;
+		if (fib->hw_fib_va->header.XferState &&
+		    ((command = fib->callback_data)) &&
+		    (command == cmd) &&
+		    (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
+			return 0; /* Already owned by Adapter */
+	}
 	cmd->scsi_done = done;
 	cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 	return (aac_scsi_cmd(cmd) ? FAILED : 0);
@@ -446,6 +459,40 @@
 	return aac_do_ioctl(dev, cmd, arg);
 }
 
+static int aac_eh_abort(struct scsi_cmnd* cmd)
+{
+	struct Scsi_Host * host = cmd->device->host;
+	struct aac_dev * aac = (struct aac_dev *)host->hostdata;
+	int count;
+	int ret = FAILED;
+
+	printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
+		AAC_DRIVERNAME,
+		cmd->device->host->host_no, sdev_channel(cmd->device),
+		sdev_id(cmd->device), cmd->device->lun);
+	switch (cmd->cmnd[0]) {
+	case SERVICE_ACTION_IN:
+		if (!(aac->raw_io_interface) ||
+		    !(aac->raw_io_64) ||
+		    ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
+			break;
+	case INQUIRY:
+	case READ_CAPACITY:
+	case TEST_UNIT_READY:
+		/* Mark associated FIB to not complete, eh handler does this */
+		for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
+			struct fib * fib = &aac->fibs[count];
+			if (fib->hw_fib_va->header.XferState &&
+			  (fib->callback_data == cmd)) {
+				fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
+				cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
+				ret = SUCCESS;
+			}
+		}
+	}
+	return ret;
+}
+
 /*
  *	aac_eh_reset	- Reset command handling
  *	@scsi_cmd:	SCSI command block causing the reset
@@ -457,12 +504,20 @@
 	struct Scsi_Host * host = dev->host;
 	struct scsi_cmnd * command;
 	int count;
-	struct aac_dev * aac;
+	struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 	unsigned long flags;
 
+	/* Mark the associated FIB to not complete, eh handler does this */
+	for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
+		struct fib * fib = &aac->fibs[count];
+		if (fib->hw_fib_va->header.XferState &&
+		  (fib->callback_data == cmd)) {
+			fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
+			cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
+		}
+	}
 	printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 
 					AAC_DRIVERNAME);
-	aac = (struct aac_dev *)host->hostdata;
 
 	if ((count = aac_check_health(aac)))
 		return count;
@@ -496,7 +551,7 @@
 		ssleep(1);
 	}
 	printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
-	return -ETIMEDOUT;
+	return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
 }
 
 /**
@@ -796,6 +851,7 @@
 	.bios_param     		= aac_biosparm,	
 	.shost_attrs			= aac_attrs,
 	.slave_configure		= aac_slave_configure,
+	.eh_abort_handler		= aac_eh_abort,
 	.eh_host_reset_handler		= aac_eh_reset,
 	.can_queue      		= AAC_NUM_IO_FIB,	
 	.this_id        		= MAXIMUM_NUM_CONTAINERS,