Re: [Xen-devel] IOMMU/AMD-Vi not working after XSA-36 with 970A-UD3

[Eric Shelton <eshelton@xxxxxxxxx>]

> Dear mailinglist,
>
> I own a Gigabyte motherboard GA 970A UD3 with IOMMU support. Since the
> update XSA-36 (also part of the latest debian wheezy pkg), the
> IO-Virtualisation does not work any more as discussed on this
> mailinglist [0] and [1].
>
> I like to ask, if there is an "official" solution in sight.
>
> I'm not sure about my alternatives. How "dangerous" is the mentioned IRQ
> sharing in [1]? May I just live with the NorthBridge disabled IOAPIC?
>
>
> [0] http://lists.xen.org/archives/html/xen-devel/2013-03/msg01016.html
> [1] http://lists.xen.org/archives/html/xen-devel/2013-04/msg02349.html

Did you try the xen boot option mentioned in XSA-36?

iommu=amd-iommu-perdev-intremap

Add it to the line in grub.conf for the hypervisor (e.g., "kernel
/boot/xen.gz dom0_mem=2048M iommu=1,no-amd-iommu-perdev-intremap")

- Eric

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel