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| From: | Bandan Das |
| Subject: | Re: [Qemu-devel] PCI passthrough of 40G ethernet interface (Openstack/KVM) |
| Date: | Thu, 12 Mar 2015 15:07:16 -0400 |
| User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) |
jacob jacob <address@hidden> 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 ? > 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
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