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Re: [Xen-devel] AMD IOMMU disabled - No Perdev Intremap

>>> On 06.10.13 at 19:28, Ferdinand NÃlscher<ferdinand@xxxxxxxxxxx> wrote:
> On 10/06/2013 04:38 PM, Sander Eikelenboom wrote:
>> ivrs_ioapic[9]=00:00.1 ivrs_ioapic[10]=00:14.0
>> Should do it i guess .. or should the ioapic handle be in hex ..
>> (then the last should be ivrs_ioapic[a]=00:14.0 )
>> -- Sander
> Booting with this parameters I can see "I/O Virtualisation Enabled"
> but shortly after that, I get a CPU Panic:
> Xen Call Trace:
> amd_iommu_ioapic_update_ire ...
> iommu_update_ire_from_apic ...
> set_ioapic_affinity_irq ...
> smp_cpus_done ...
> __start_xen ...
> Panic on CPU 0:
> Assertion "get_rte_index(rte) == offset" failed at iommu_intr.c:188

Please provide a _full_ log and, in order to decipher things, a link
to the matching xen-syms or xen.efi (depending on the way you
boot - GrUB2 apparently being used, I'd guess it's the former we

Also - how certain are both of you that the exact values used in
the overrides are valid? After all - if they aren't, we can't make
any guarantees that the system would work _at all_.


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