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Date:      Sat, 29 May 2010 23:08:59 +0300
From:      Kostik Belousov <kostikbel@gmail.com>
To:        Jung-uk Kim <jkim@freebsd.org>
Cc:        freebsd-stable@freebsd.org, Andriy Gapon <avg@icyb.net.ua>
Subject:   Re: Floppy drive not detected after 8.0-RELEASE->8.1-PRERELEASE
Message-ID:  <20100529200859.GE83316@deviant.kiev.zoral.com.ua>
In-Reply-To: <201005281907.05833.jkim@FreeBSD.org>
References:  <4BFFF013.7050005@uiowa.edu> <4C00085D.9000204@icyb.net.ua> <4C001B04.2040006@uiowa.edu> <201005281907.05833.jkim@FreeBSD.org>

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On Fri, May 28, 2010 at 07:07:04PM -0400, Jung-uk Kim wrote:
> On Friday 28 May 2010 03:35 pm, Scott Allendorf wrote:
> > Andriy Gapon wrote:
> > > on 28/05/2010 19:32 Scott Allendorf said the following:
> > >> I recently upgraded to 8.1-PRERELEASE (amd64) on a Dell Optiplex
> > >> 960 running 8.0-RELEASE.  After the upgrade, my floppy drive was
> > >> no longer detected.  After a binary search, the following commit
> > >> appears to be responsible:
> > >>
> > >>  =20
> > >> http://svn.freebsd.org/viewvc/base?view=3Drevision&revision=3D203544
> > >
> > > Can you check if reverting of MFC of the following helps (it's a
> > > part of that big ACPI MFC)?
> > >
> > > r200554 | jkim | 2009-12-15 00:28:32 +0200 (Tue, 15 Dec 2009) | 3
> > > lines Remove _FDE quirk handling as these quirks are
> > > automatically repaired by ACPICA layer since ACPICA 20091214.
> >
> > Thank you for your quick reply to my message.
> >
> > Reverting this change (src/sys/dev/fdc/fdc_acpi.c from 1.13.2.2 to
> > 1.13.2.1) appears to have fixed the issue.  The floppy drive is now
> > detected and it is functional.  There do not appear to be any side
> > effects.
>=20
> Please try the attached patch.  Sorry, it was stupid. :-(
>=20
> Jung-uk Kim

> --- sys/dev/fdc/fdc_acpi.c	(revision 208626)
> +++ sys/dev/fdc/fdc_acpi.c	(working copy)
> @@ -96,6 +96,7 @@ fdc_acpi_attach(device_t dev)
>  {
>  	struct fdc_data *sc;
>  	ACPI_BUFFER buf;
> +	ACPI_OBJECT *obj;
>  	device_t bus;
>  	int error;
> =20
> @@ -131,7 +132,8 @@ fdc_acpi_attach(device_t dev)
>  	}
> =20
>  	/* Add fd child devices as specified. */
> -	error =3D fdc_acpi_probe_children(bus, dev, buf.Pointer);
> +	obj =3D buf.Pointer;
> +	error =3D fdc_acpi_probe_children(bus, dev, obj->Buffer.Pointer);
> =20
>  out:
>  	if (buf.Pointer)

Works for me as well.

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