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We are using an Intel
82599 chip that allows 4 PFs ( eth0..3) per VM. I am able to
manually start VMs using the hostdev definition for the four
network connections, but I'd like to start using the pool
approach. Ubuntu 12.04 libvirt 1.0.0 Following: http://wiki.libvirt.org/page/Networking#Assignment_from_a_pool_of_SRIOV_VFs_in_a_libvirt_.3Cnetwork.3E_definition I can get a pool working with one network- <network> <name>passthrough_eth0</name> <forward mode='hostdev' managed='yes'> <pf dev='eth0'/> </forward> </network> and I can get the four networks started using similar xml. Using one stanza of network type passthrough, I can get a pool on one PF. But when I try to create the VM using four stanzas of network definition, <interface type='network'> <source network='passthrough_eth0'/> </interface> <interface type='network'> <source network='passthrough_eth1'/> </interface> <interface type='network'> <source network='passthrough_eth2'/> </interface> <interface type='network'> <source network='passthrough_eth3'/> </interface> I get this error: "error: Failed to create domain from ./vm0.xml error: internal error Process exited while reading console log output: kvm: -device pci-assign,host=01:10.1,id=hostdev0,configfd=47,bus=pci.0,addr=0x8: Duplicate ID 'hostdev0' for device " Ideas? -- John Fisher |
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