Re: [Xen-users] IVHD error, AMD-Vi gets disabled (4.1.3-3ubuntu1.3)

[Hans Mueller <mcbeagle@xxxxxx>]

On Wednesday, 13. February 2013 15:17:54 Andreas Falck wrote:
> Hello,
> 
> I have a system running ubuntu12.10 with xen 4.1.3, which I believe was
> recently upgraded from xen 4.1.2 via the normal ubuntu 'apt-get upgrade'
> path. 2 AMD opteron 6134 cpus, supermicro H8DG6 motherboard.
> 
> Recently I noticed that AMD-Vi gets disabled at boot, which didn't happen
> before.
> 
> From 'xm dmesg':
> 
> (XEN) Command line: placeholder amd-iommu-debug iommu=verbose iommu=1
> apic=debug iommu_inclusive_mapping=1
> [...]
> (XEN) IVHD Error: Conflicting IO-APIC 0x0 entries
> (XEN) AMD-Vi: Error initialization
> (XEN) I/O virtualisation disabled

looks like related to the XSA-36
http://lists.xen.org/archives/html/xen-announce/2013-02/msg00002.html


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