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Re: [Xen-devel] Xen 4.2.1 boot failure with IOMMU enabled



>>> On 13.02.13 at 09:28, povder <povder@xxxxxxxxx> wrote:
> 2013/2/13 Jan Beulich <JBeulich@xxxxxxxx>:
>> I wonder how native Linux with
>> IOMMU enabled does in that situation...
>>
> 
> I can try it today if you want. What kernel option should i use to
> enable iommu? "iommu=force"?

Looks like other than Intel's, AMD's IOMMU gets turned on by
default independent of any configuration settings. So providing
a native kernel boot log (at maximum log level) ought to suffice
(assuming of course you don't have any command line options
in place to _disable_ the IOMMU).

Jan


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