[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] AMD IOMMU disabled - No Perdev Intremap
On 10/06/2013 04:38 PM, Sander Eikelenboom wrote: > > Sunday, October 6, 2013, 3:09:54 PM, you wrote: > >> On 10/06/2013 02:58 PM, Andrew Cooper wrote: >>> On 06/10/2013 13:56, Ferdinand Nölscher wrote: >>>> Hi Sander, >>>> >>>> Thanks for your reply. >>>> >>>> On 10/06/2013 02:10 PM, Sander Eikelenboom wrote: >>>>> Sunday, October 6, 2013, 1:36:33 PM, you wrote: >>>>> >>>>>> Hi! >>>>>>> From other people posting to this list, I know that >>>>>>> there has been a >>>>>> bug related to the issue described in Xen Security >>>>>> Advisory 36 that disables iommu for some AMD users like >>>>>> me. >>>>> What motherboard do you have ? >>>> I have an ASUS M5A99X EVO Rev 1.01 >>>> >>>> >>>>> It depends if it's the north or southbridge ioapic but try >>>>> using the new xen boot parameter: (add it to the xen.gz >>>>> line in grub) >>>>> >>>>> ivrs_ioapic[0]=00:14.0 >>>>> >>>>> or >>>>> >>>>> ivrs_ioapic[0]=00:00.1 >>>> I tried both, it still fails to enable i/o virtualisation. >>> >>> Can you post a full xl dmesg, booting with iommu=debug,verbose >>> as well? >>> >>> ~Andrew >>> >>> > > Ah it seems i got the id's mixed up :-) > > 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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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