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[Xen-devel] Re: [PATCH] Revert 23733:fbf3768e5934 "AMD IOMMU: remove global ..."

Wei Wang2 writes ("Re: [PATCH] Revert 23733:fbf3768e5934 "AMD IOMMU: remove 
global ...""):
> On you testing system is it possible to disable IDE combined mode for SATA
> devices? device id 0xa0 is very likely the id SATA wants to sent interrupt
> messages to iommu in IDE mode. Enable AHCI mode or IDE native could fix it.

Yes, I could try fiddling with the BIOS settings as a test.  But all
three of my AMD test machines have this problem and I don't think an
instruction to all users of AMD machines, that they have to do things
to their BIOS, is really going to fly.

I will try this and report back.


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