Re: [Xen-users] Latest AMD, IOMMU Security Change causing CPU0 Panic and general Problems with AMD+IOMMU changes

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 11.02.13 at 12:22, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Sat, 2013-02-09 at 02:12 +0000, Matthias wrote:
>> Hi,
>> 
>> unfortunatly your latest change "AMD,IOMMU: Clean up old entries in
>> remapping tables when creating new one" (Changeset 26517 in
>> xen-unstable and 25975 in xen-4.2-testing) is causing a CPU0 Panic at
>> boot for me.
>> 
>> When i tried to boot latest versions of xen unstable or xen-testing,
>> my dom0 gives me the message:
>> 
>> (XEN) *************************************
>> (XEN) Panic on CPU 0:
>> (XEN) DATAL PAGE FAULT
>> (XEN) [error_code=0000]
>> (XEN) Faulting linear address: 0000000000000000
>> (XEN) *************************************
> 
> I think this is fixed by "[PATCH 1/2] AMD IOMMU: also spot missing
> IO-APIC entries in IVRS table" posted to xen-devel on Wednesday.
> Message-ID <511264B402000078000BC754@xxxxxxxxxxxxxxxxxxxx>

Without a full register/stack trace I would also guess so, but in
that mode it's no more than a guess really.

Jan


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