kern/186297: ahci0: 0x400 bytes of rid 0x24 res 3 failed (0, 0xffffffff)

[Josias]

>Number:         186297
>Category:       kern
>Synopsis:       ahci0: 0x400 bytes of rid 0x24 res 3 failed (0, 0xffffffff)
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Jan 31 12:00:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator:     Josias
>Release:        9.2 / 10.0 / FreeNAS 9.2.1 RC.
>Organization:
Independent
>Environment:
FreeBSD 9.2 (unable to do uname -a). See in dmesg. 
>Description:
Geom devices not available on system OS. 
Problem in AHCI driver attach. 

Message:

ahci0: <ATI IXP700 AHCI SATA controller> port 0x4020-0x4027,0x4040-0x4043,0x4028-0x402f,0x4044-0x4047,0x4000-0x400f at device 17.
0 on pci0
ahci0: 0x400 bytes of rid 0x24 res 3 failed (0, 0xffffffff).
device_attach: ahci0 attach returned 6

Better and full dmesg here:

http://pastebin.com/9BUxU94n
>How-To-Repeat:
This board is from PC Engines (the new apu board) and will substitute the Alix platform. 
Just install FreeBSD 9.2 or 10.0
Detail: 
# Put FC ports in initiator mode
hint.isp.0.role=2
hint.isp.1.role=2
hint.isp.2.role=2
hint.isp.3.role=2

This will allow boot the kernel without freezing. 
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: