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Date:      Wed, 4 Apr 2012 02:26:38 +0400
From:      Andrew Pantyukhin <infofarmer@FreeBSD.org>
To:        Marius Strobl <marius@alchemy.franken.de>
Cc:        "stable@freebsd.org" <stable@freebsd.org>, "zvqops@di.vc" <zvqops@di.vc>, "ken@freebsd.org" <ken@freebsd.org>, "Desai, Kashyap" <Kashyap.Desai@lsi.com>, "McConnell, Stephen" <Stephen.McConnell@lsi.com>
Subject:   Re: r232411 breaks onboard 1068 detection
Message-ID:  <CA%2BqFSQ5=yBmGPqoDFRdW8nsJ=QzC=zQa3OLoJ=jusdyV_btL7Q@mail.gmail.com>
In-Reply-To: <20120403215714.GO93449@alchemy.franken.de>
References:  <CA%2BqFSQ6nHXidbD2z%2B95E9a%2BqkMVyg4TU4Hac%2BG0qBU197-K5QQ@mail.gmail.com> <20120403082927.GH93449@alchemy.franken.de> <20120403122858.GA48373@alchemy.franken.de> <B2FD678A64EAAD45B089B123FDFC3ED72B96EF8E14@inbmail01.lsi.com> <A5E537D8E1B0EF499D49E9AE3E3458FE012DC44A6D@cosmail03.lsi.com> <20120403215714.GO93449@alchemy.franken.de>

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On Wed, Apr 4, 2012 at 1:57 AM, Marius Strobl <marius@alchemy.franken.de> w=
rote:
> On Tue, Apr 03, 2012 at 03:52:14PM -0600, McConnell, Stephen wrote:
>> Marius,
>>
>> Since the 0x59 device is a MegaRAID device, shouldn't you be using the M=
egaRAID driver. =C2=A0Why is the MPT driver being used in this case? =C2=A0=
The problem is that the MPT driver was wrongly attaching to some MegaRAID c=
ontrollers and that was causing conflict problems, so that was fixed by rem=
oving MegaRAID ID's from the MPT driver.
>
> Apparently, the 0x59 devices worked just fine using mpt(4) before r232411=
.
> Are MegaRAID devices backwards-compatible so they can alternatively be
> driven by MPT drivers?

The device in question is a built-in 1068-based controller on a
SuperMicro X8ST3 board.

It can be converted to MegaRAID mode with a special addon "button"
(AOC-IButton68).

http://www.supermicro.com/products/motherboard/Xeon3000/X58/X8ST3-F.cfm



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