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

[Joerg Roedel <joro@xxxxxxxxxx>]

Hi Jens,

On Mon, Jun 14, 2010 at 01:08:47PM +0200, Jens Krehbiel-Gräther wrote:
> 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

This are good news. At least one of the numerous 890FX mainboards
support the IOMMU of the chipset in its BIOS. Thanks for trying this
out.

        Joerg


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