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Date:      Sun, 25 Oct 2009 17:09:49 +0100
From:      Marco =?utf-8?q?Br=C3=B6der?= <marco.broeder@gmx.eu>
To:        freebsd-stable@freebsd.org
Cc:        Alexander Motin <mav@freebsd.org>, FreeBSD-Current <freebsd-current@freebsd.org>, icegloom dem <icegloom@gmail.com>, freebsd-amd64@freebsd.org
Subject:   Re: MCP55 SATA solution to test
Message-ID:  <200910251709.49850.marco.broeder@gmx.eu>
In-Reply-To: <4AE3A001.8000205@FreeBSD.org>
References:  <4AE3A001.8000205@FreeBSD.org>

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On Sun October 25 2009 02:46:57 Alexander Motin wrote:
> Hi.
>=20
> Thanks to one man who provided access to his machine, I seem to found
> how to fix device detection on nVidia MCP55 SATA controller on amd64
> 8.0. Looks like this controller need some time (very short) to enable
> BAR(5) memory access after PCI configuration register written. Probably
> some changes in PCI code exposed this issue. Also it explains why
> setting hw.pci.mcfg to 0 helps.
>=20
> Attached patch solves problem for that machine. Testers are welcome.
>=20

Success! I tested your patch and everything is working fine
with hw.pci.mcfg set to 1, now. Please commit it.

Many thanks!

=2D-=20
Regards,
Marco Br=C3=B6der <marco.broeder@gmx.eu>
OpenPGP key fingerprint: 5615 106E 031A F3D3 64CC 0F9E 4DCE 6524 F595 082F



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