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Re: Boot Controller Sequence Problem

daemon@ATHENA.MIT.EDU (jlewis@lewis.org)
Wed Jan 26 09:49:48 2000

Date:   Tue, 25 Jan 2000 23:32:16 -0500 (EST)
From: jlewis@lewis.org
To: =?iso-8859-1?Q?Baumgartner_J=FCrg_=28RAD=29?= <juerg.baumgartner@kssh.ch>
Cc: "'linux-scsi@vger.rutgers.edu'" <linux-scsi@vger.rutgers.edu>,
	"'e_soriano@dapsys.com'" <e_soriano@dapsys.com>
In-Reply-To: <7ED22C938BEED211BAD50008C7C9B14802A520@KSSH2>
Message-ID: <Pine.LNX.4.10.10001252330120.25904-100000@redhat1.mmaero.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=X-UNKNOWN
Content-Transfer-Encoding: 8BIT

On Tue, 25 Jan 2000, [iso-8859-1] Baumgartner Jürg (RAD) wrote:

> I am setting up a system with Linux 2.2.12 RedHat 6.1
> 
> This system has two controllers:
> Adaptec managed by aic7xxx handling 4 drives I want to have as /dev/sda,
> sdb, sdc, sdd
> Mylex managed by BusLogic handling two units I want to have as /dev/sde, sdf
> 
> Problem is when having Mylex linked with the two drives, BusLogic driver is
> called by hosts.c
> initialization procedure before aic7xxx, so I get a wrong devices sequence.
> 
> How can I turn around this problem ?

There are several solutions.  

You can compile both SCSI drivers as modules and load the aic7xxx one
first.

You can compile a kernel with aic7xxx linked in and BusLogic as a module.

You can edit hosts.c (in the kernel source) and rearrange the driver probe
order making aic7xxx load before BusLogic.

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 Jon Lewis *jlewis@lewis.org*|  Spammers will be winnuked or 
 System Administrator        |  nestea'd...whatever it takes
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