Date: Tue, 7 Feb 2006 11:34:54 +0100 (CET) From: "Christer Solskogen" <solskogen@carebears.mine.nu> To: freebsd-questions@freebsd.org Subject: Re: ICH7 + RAID = AHCI trouble Message-ID: <2211.62.97.242.158.1139308494.squirrel@carebears.mine.nu> In-Reply-To: <20060206120053.61D6116A425@hub.freebsd.org> References: <20060206120053.61D6116A425@hub.freebsd.org>
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> Message: 6
> Date: Mon, 6 Feb 2006 11:49:36 +0100 (CET)
> From: Joerg Pulz <Joerg.Pulz@frm2.tum.de>
> Subject: ICH7 + RAID = AHCI trouble
> To: freebsd-questions@freebsd.org
> Cc: S?ren Schmidt <sos@freebsd.org>
> Message-ID: <20060206112422.C887@hades.admin.frm2>
> Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
>
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>
> Hi,
>
> i recently bought a new server with an Intel ICH7 chipset and embedded
> LSI Raid.
> I set the SATA mode in the BIOS to RAID. After that, i was able to
> configure a RAID1 array using the Controllers BIOS.
> Unfortunately, FreeBSD isn't seeing any of the installed HDs.
> I tried to change the BIOS settings for SATA in the BIOS to all available
> methods (RIAD, AHCI, NATIVE) with no success.
> The only setting that makes FreeBSD able to see the HDs is COMPATIBLE, but
> i loose the PATA channel if i use it, which is definitely not what i
> want.
> I tried the above with 6.0-RELEASE and RELENG_6 from "Thu Feb 2 18:32:06
> CET 2006".
> I took a closer look into the RELENG_6 ata(4) code and found the following
> line in ata-chipset.c :
>
> { ATA_I82801GB_R1, 0, AHCI, 0x00, ATA_SA300, "ICH7" }
>
> After i changed this line to :
>
> { ATA_I82801GB_R1, 0, 0, 0x00, ATA_SA300, "ICH7" }
>
> i was able to detect the two HDs AND the configured RAID1 array. I could
> use fdisk(8) and bsdlabel(8) to set up the disk and can finally use it.
> Unfortunately, i can only use two disk, as all other channels do NOT
> appaer in FreeBSD, i think this is related to my change in the source, as
> previously all channels where available, but without HDs.
> I would really like to use the other channels too.
> One problem could be the "RAID or AHCI enabled - detection code" in
> ata_chipset.c (rev 1.126.2.8 in RELENG_6) below line 1660, but i'm not
> sure.
>
> Is there any chance we can track this down to make it working in a general
> way, without the need to change the sources everytime i've cvsupped my
> source tree?
>
> I'm glad to help wherever i can to solve this issue.
>
I filled a PR about almost the same problem, it also contains a patch. try
and see if that fix your problem.
kern/91502
--
cso
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