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Date: Mon, 9 Jul 2012 17:14:01 -0700
Message-ID: <CAGH67wQV-v-7pcURXLB+WHrBc2+i+wUgGwHGnkpx0Am9s6Y-ow@mail.gmail.com>
From: Garrett Cooper <yanegomi@gmail.com>
To: Steve Kargl <sgk@troutmask.apl.washington.edu>
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Cc: freebsd-current@freebsd.org
Subject: Re: ada,ata and cd?
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On Mon, Jul 9, 2012 at 4:38 PM, Steve Kargl
<sgk@troutmask.apl.washington.edu> wrote:
> On Mon, Jul 09, 2012 at 11:52:10PM +0100, Anton Shterenlikht wrote:
>> I'm on amd64 r238259.
>>
>> I'm still not clear on the /usr/src/UPDATING
>> entry from 20110424 on replacing the ATA
>> drivers by CAM drivers.
>>
>> If I *do not* have device ata in the kernel,
>> I have neither /dev/cd* or /dev/acd*,
>> even though I have in the kernel:
>>
>> options ATA_CAM         # Handle legacy controllers with CAM
>> options ATA_STATIC_ID   # Static device numbering
>> device  ada
>> device  cd              # CD
>>
>
> man 4 cam
>
> I suspect that you are missing 'device scbus' in
> your config file.

device          scbus           # SCSI bus (required for ATA/SCSI)

Probably. And as the fine print says...

        Note that to use CAM-based ATA kernel should include CAM devices
        scbus, pass, da (or explicitly ada), cd and optionally others.

Thanks,
-Garrett