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Date:      Thu, 1 Dec 2005 11:53:49 -0500
From:      John Baldwin <jhb@freebsd.org>
To:        Joe Rhett <jrhett@svcolo.com>
Cc:        freebsd-hardware@freebsd.org
Subject:   Re: com1 incorrectly associated with ttyd1, com2 with ttyd0
Message-ID:  <200512011153.50287.jhb@freebsd.org>
In-Reply-To: <20051130181757.GA29686@svcolo.com>
References:  <20051117050336.GB67653@svcolo.com> <20051117220358.GA65127@svcolo.com> <20051130181757.GA29686@svcolo.com>

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On Wednesday 30 November 2005 01:17 pm, Joe Rhett wrote:
> > Console initialization uses the flags to decide the console port(s),
> > so swapped flags probably give swapped console ports.
>
> I don't know if this is related, but ACPI also seems to find devices which
> are disabled (ie parallel parts, etc) and then complains because it can't
> allocate resources for them.
>
> It sounds like ACPI isn't reading the BIOS data correctly at all.  What
> debug options can I enable to get more information?

No, it is reading it right.  When you disable a device in ACPI it merely 
doesn't assign resources to it.  The OS can assign resources to it on its own 
though and re-enable the device.  FreeBSD currently doesn't implement enough 
to get that right though.

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org



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