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Date:      Wed, 26 May 2010 17:23:30 GMT
From:      Ryan Holt <ryan@ryanholt.net>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   kern/147086: AHCI not being enabled on PC
Message-ID:  <201005261723.o4QHNUAf033161@www.freebsd.org>
Resent-Message-ID: <201005261730.o4QHUE6r091212@freefall.freebsd.org>

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>Number:         147086
>Category:       kern
>Synopsis:       AHCI not being enabled on PC
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed May 26 17:30:13 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator:     Ryan Holt
>Release:        8.0-Stable-201004
>Organization:
>Environment:
FreeBSD fs.holthome.local 8.0-STABLE-201004 FreeBSD 8.0-STABLE-201004 #0: Mon Apr  5 15:59:06 UTC 2010     root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
>Description:
Hello,

I've got a fresh install of FreeBSD 8.0-Stable-201004 built on a Gigabyte GA-K8U-754 Motherboard (http://www.gigabyte.com.tw/Products/Motherboard/Products_Spec.aspx?ProductID=1876). The boot drives are plugged directly into the Motherboard's SATA ports, which I believe is powered by a ULi M1689 chipset. I also have a Supermicro AOC-SAT2-MV8 PCI-X HBA card (http://www.supermicro.com/products/accessories/addon/AOC-SAT2-MV8.cfm) which has a Hercules-2 Rev. C0 SATA host controller built in. I've added ahci_load="YES" in my /boot/loader.conf and I can see that ahci.ko was loaded using klstat, but I do not see any drives appearing that use the ahci module. All drives are labeled /dev/ad* instead of /dev/ada* and hotswap doesn't work properly. Running dmesg |grep -i ahci comes back empty.
>How-To-Repeat:
1. Boot computer
2. Run dmesg |grep -i ahci
3. Unplug drive, watch PC kernel panic
>Fix:


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



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