From owner-freebsd-acpi@FreeBSD.ORG  Mon Nov 28 17:34:05 2005
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Date: Mon, 28 Nov 2005 09:33:56 -0800 (PST)
From: George Mitchell <george@m5p.com>
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To: freebsd-acpi@freebsd.org, jhb@freebsd.org
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Subject: Re: ACPI + FIC VA-503+ = non-working fdc
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> On Saturday 26 November 2005 02:18 pm, george+freebsd@m5p.com wrote:
> > On a FIC VA-503+ motherboard, ACPI does not play nice with the floppy
> > disk controller.  In all versions of 5.x, and now 6.0, it cannot talk
> > to the fdc when ACPI is enabled.  In 6.0-RELEASE, the message I get
> > if "No FDOUT register!".  It works fine with ACPI disabled, and perhaps
> > I should just stick with that ...
>
> Can you post the fdc0 lines from both dmesg's to see what the resources look 
> like?  Sounds like a bug in your BIOS.

http://www.m5p.com/~george/dmesg-6.0-no-acpi-verbose.txt
http://www.m5p.com/~george/dmesg-6.0-acpi-verbose.txt

> > Also, in 6.0-RELEASE, enabling ACPI seems to cause the re driver to
> > get watchdog timeouts ...
>
> Are any of the IRQs different with ACPI enabled vs ACPI disabled?  Also, do 
> you get these times with ACPI enabled on 5.x?

See above for 6.0.  ACPI had enough other problems on 5.0 that I never
ran with it enabled, except a couple of times when I saw that the floppy
controller wasn't working.  Thanks for your attention.        -- George

P.S. I got these dumps with 6.0-RC1, but the messages are the same with
6.0-RELEASE.