On Thu, Mar 12, 2015 at 3:07 PM, Bandan Das <bsd@xxxxxxxxxx> wrote: > jacob jacob <opstkusr@xxxxxxxxx> writes: > >> Hi, >> >> Seeing failures when trying to do PCI passthrough of Intel XL710 40G >> interface to KVM vm. >> 0a:00.1 Ethernet controller: Intel Corporation Ethernet >> Controller XL710 for 40GbE QSFP+ (rev 01) > > You are assigning the PF right ? Does assigning VFs work or it's > the same behavior ? Yes.Assigning VFs worked ok.But this had other issues while bringing down VMs. Interested in finding out if PCI passthrough of 40G intel XL710 interface is qualified in some specific kernel/kvm release. > >> From dmesg on host: >> >>> [80326.559674] kvm: zapping shadow pages for mmio generation wraparound >>> [80327.271191] kvm [175994]: vcpu0 unhandled rdmsr: 0x1c9 >>> [80327.271689] kvm [175994]: vcpu0 unhandled rdmsr: 0x1a6 >>> [80327.272201] kvm [175994]: vcpu0 unhandled rdmsr: 0x1a7 >>> [80327.272681] kvm [175994]: vcpu0 unhandled rdmsr: 0x3f6 >>> [80327.376186] kvm [175994]: vcpu0 unhandled rdmsr: 0x606 > > These are harmless and are related to unimplemented PMU msrs, > not VFIO. > > Bandan -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html