From mboxrd@z Thu Jan  1 00:00:00 1970
From: Fantu <fantonifabio@tiscali.it>
Subject: Re: collecting info on platforms with VT-d BIOS problems
Date: Sat, 23 Jan 2010 00:09:26 -0800 (PST)
Message-ID: <27284201.post@talk.nabble.com>
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Motherboard Asus P6T SE with last bios (0704) on xen-unstable with kernel
2.6.31.6 pv_ops

(XEN) [VT-D]dmar.c:548: Host address width 39
(XEN) [VT-D]dmar.c:557: found ACPI_DMAR_DRHD:
(XEN) [VT-D]dmar.c:374:   dmaru->address =3D fbfff000
(XEN) [VT-D]dmar.c:326:   endpoint: 0:1b.0
(XEN) [VT-D]dmar.c:557: found ACPI_DMAR_DRHD:
(XEN) [VT-D]dmar.c:374:   dmaru->address =3D fbffe000
(XEN) [VT-D]dmar.c:331:   IOAPIC: f0:1f.7
(XEN) [VT-D]dmar.c:331:   IOAPIC: 0:13.0
(XEN) [VT-D]dmar.c:386:   flags: INCLUDE_ALL
(XEN) [VT-D]dmar.c:561: found ACPI_DMAR_RMRR:
(XEN) [VT-D]dmar.c:446:   RMRR region: base_addr ec000 end_address effff
(XEN) [VT-D]dmar.c:326:   endpoint: 0:1d.0
(XEN) [VT-D]dmar.c:326:   endpoint: 0:1d.1
(XEN) [VT-D]dmar.c:326:   endpoint: 0:1d.2
(XEN) [VT-D]dmar.c:326:   endpoint: 0:1d.7
(XEN) [VT-D]dmar.c:326:   endpoint: 0:1a.0
(XEN) [VT-D]dmar.c:326:   endpoint: 0:1a.1
(XEN) [VT-D]dmar.c:326:   endpoint: 0:1a.2
(XEN) [VT-D]dmar.c:326:   endpoint: 0:1a.7
(XEN) [VT-D]dmar.c:561: found ACPI_DMAR_RMRR:
(XEN) [VT-D]dmar.c:417: RMRR error: base_addr bf7dc000 end_address bf7dbfff
(XEN) Failed to parse ACPI DMAR.  Disabling VT-d.=20


Kay, Allen M wrote:
>=20
> We would like to collect information on platforms that have problem with
> VT-d PCI device passthrough using non-IGD PCI devices. =C2=A0Note that IG=
D
> (integrated display device) device passthrough code is still being worked
> on.
>=20
> If you have encountered =C2=A0VT-d problems on a particular platform usin=
g
> latest xen-unstable, please provide the following information so that we
> can work with OEM's to get their BIOS's fixed:
>=20
>     (a) Platform details (OEM, Product/Model#,=C2=A0 Other identifying in=
fo)
>     (b) BIOS version/number
>     (c) Version of Xen with which failure is seen (if not the latest
> xen-unstable)
>     (d) Specific error/failure details such as serial log
>=20
> Thanks!
>=20
> Allen
>=20
>=20
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
>=20
>=20

--=20
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