WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] IOMMU and AMD 890fx

To: Andrew Oakley <andrew@xxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] IOMMU and AMD 890fx
From: Jens Krehbiel-Gräther <xen@xxxxxxxxxxxxxxxxxx>
Date: Mon, 14 Jun 2010 13:08:47 +0200
Cc: "Przywara, Andre" <Andre.Przywara@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Leonardo Prosperi <leo.prosperi@xxxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, Wei Huang <wei.huang2@xxxxxxx>, Eikelenboom <linux@xxxxxxxxxxxxxx>, Joop Boonen <joop_boonen@xxxxxx>
Delivery-date: Mon, 14 Jun 2010 04:11:17 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20100610201527.61351484@ado-gentoo>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <z2n56ae3d9b1005081631sf3c31fafsb24b018c70b11b1a@xxxxxxxxxxxxxx> <y2i56ae3d9b1005091101xd15a9bcbt2244a907745b26f9@xxxxxxxxxxxxxx> <3399D2269986104B959D31B7E919313C06E2BD8E@xxxxxxxxxxxxxxxxxxx> <4410545273.20100510083852@xxxxxxxxxxxxxx> <AANLkTikDGRtmZgT3DdOcdnyDTMr4TnAperaeTXcfB0cM@xxxxxxxxxxxxxx> <571239012.20100603101930@xxxxxxxxxxxxxx> <1857fd65263c9155e5f307f3b7e329d0.squirrel@xxxxxxxxxxxxxxx> <1807175740.20100603112310@xxxxxxxxxxxxxx> <ee4a6ab6f04c6a03ad99464f01b6dabc@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20100603112649.GG11162@xxxxxxxxxx> <4C079729.8030502@xxxxxxx> <20100610194947.17e0f6ad@ado-gentoo> <4C113911.9030005@xxxxxxx> <20100610201527.61351484@ado-gentoo>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.9) Gecko/20100317 Thunderbird/3.0.4
Hi!

I now got a Asus Crosshair IV mainboard and here are the outputs after I enabled the IOMMU option in the bios:

xen-01:~# ls /sys/firmware/acpi/tables/
APIC  DSDT  dynamic  FACP  FACS  HPET  IVRS  MCFG  OEMB  SRAT  SSDT
xen-01:~# dmesg |grep -i iommu
[    1.691432] AMD-Vi: Enabling IOMMU at 0000:00:00.2 cap 0x40
xen-01:~# lspci -d 1002:5a23
00:00.2 Generic system peripheral [0806]: ATI Technologies Inc Device 5a23
xen-01:~#

So here is the IOMMU of the 890FX. Will go further for testing now..


Jens


Am 10.06.2010 21:15, schrieb Andrew Oakley:
On Thu, 10 Jun 2010 14:12:17 -0500
Wei Huang<wei.huang2@xxxxxxx>  wrote:

Hi Andrew,

Could you do us a favor by taking a look at chipset options (or
something similar)? The IOMMU option might be hidden under that menu.
Virtualization is for enabling CPU's SVM feature. So it is unrelated.

I've been through (all) the BIOS options (again) and I'm sure there are
no options for the IOMMU.  "Virtualization" does seem to turn on SVM.

Thanks,
-Wei

Andrew Oakley wrote:
On Thu, 3 Jun 2010 13:51:05 +0200
Andre Przywara<andre.przywara@xxxxxxx>  wrote:

If the ACPI table is missing, you can try to look for the
corresponding PCI device: it should have a vendor/device-id of
1002:5a23, lspci lists it as:
00:00.2 Generic system peripheral [0806]: ATI Technologies Inc
Device 5a23 If anyone has a board with the PCI device but a
missing ACPI table, please tell us.

We are already trying to improve the situation, you could help us
by reporting the IOMMU support status on 890FX boards. Simply
check for the ACPI table:
# xm dmesg | grep IVRS    or
$ ls /sys/firmware/acpi/tables/IVRS
and by checking for the PCI device:
$ /sbin/lspci -d 1002:5a23


I have a Gigabyte GA-890FXA-UD5 motherboard.  I have opened a
support ticket with Gigabyte but have not yet received any reply.
The virtualization option in the BIOS is turned on, there do not
appear to be any other relevant options.

$ lspci -d 1002:5a23
$ ls /sys/firmware/acpi/tables/
APIC  DSDT  dynamic  FACP  FACS  HPET  MATS  MCFG  SSDT  TAMG

If there is any response from Gigabyte to AMD can it be published on
the list please?

Thanks





_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>