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Date:      Fri, 15 Jul 2005 14:31:30 -0700
From:      Nate Lawson <nate@root.org>
To:        John Baldwin <jhb@FreeBSD.org>
Cc:        freebsd-current@FreeBSD.org, Harry Coin <harrycoin@qconline.com>
Subject:   Re: mss.c pcm fix to ' attach returned 6 ' load failure for v5.x acpi and up
Message-ID:  <42D82B32.6090707@root.org>
In-Reply-To: <200507121627.44317.jhb@FreeBSD.org>
References:  <4.3.2.7.2.20050712134818.0202b0d0@mail.qconline.com> <4.3.2.7.2.20050712150444.01fb8078@mail.qconline.com> <200507121627.44317.jhb@FreeBSD.org>

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John Baldwin wrote:
> On Tuesday 12 July 2005 04:12 pm, Harry Coin wrote:
> 
>>John,
>>
>>I am sincerely  appreciative the time you have taken.  Your test results
>>are below.
>>
>>I haven't  processed everything you've written, but I'm not going to hold
>>you up waiting as that is going to take a while.
>>
>>The code just comments out the line you mentioned.  pcm0 loads with ACPI on
>>in this case.  I haven't tested what happens with ACPI off, and have no
>>easy way to test what will happen with the other non-pnp chips (or other
>>pnp chips) this driver supports.
> 
> 
> Ok, thanks.
> 
> 
>>I suggest you send a copy of your comments to whoever fixes up the
>>architecture manual, because of evident disagreement regarding best
>>practice in the isa non-pnp driver detection method (ISA_PNP_PROBE vs.
>>isa_get_logical_id).
> 
> 
> Well, I think I've just figured out why it says that (the ACPIxxxx devices), 
> so it looks like I am going to have to go through and fix all the various 
> drivers to use a probe routine if they attach to ACPI.  It looks like several 
> drivers attach to acpi that probably don't need to as well (ACPI only 
> enumerates built-in hardware like COM ports, etc.  It doesn't enumerate ISA 
> PnP cards).

Thanks for looking into this.  I agree that only the PNP-capable probe 
should attach to acpi.

-- 
Nate



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