[libvirt-users] Two VF cards
Dominik Mostowiec
dominikmostowiec at gmail.com
Tue May 21 05:39:22 UTC 2013
hi,
Any suggestions?
I try attach 2 VF functions to VM and set bonding.
It is different way to do this?
--
Dominik
2013/5/17 Dominik Mostowiec <dominikmostowiec at gmail.com>
> Thanks for your response.
>
> For two different mac addresses problem is the same.
> "error: internal error process exited while connecting to monitor: kvm:
> -device pci-assign,configfd=25,host=01:10.1,id=hostdev0,bus=pci.0,addr=0x4:
> Duplicate ID 'hostdev0' for device"
>
> domain:
> <domain xmlns:qemu="http://libvirt.org/schemas/domain/qemu/1.0"
> type="kvm">
> <name>one-466</name>
> <vcpu>1</vcpu>
> <memory>1781760</memory>
> <os>
> <type arch="x86_64">hvm</type>
> <boot dev="hd"/>
> </os>
> <devices>
> <emulator>/usr/bin/kvm</emulator>
> <disk type="file" device="disk">
> <source
> file="/nebula/nebula/var//datastores/0/466/disk.0"/>
> <target dev="hda" bus="virtio"/>
> <driver name="qemu" type="raw" cache="default"/>
> </disk>
> <disk type="file" device="disk">
> <source
> file="/nebula/nebula/var//datastores/0/466/disk.1"/>
> <target dev="vdb" bus="virtio"/>
> <driver name="qemu" type="raw" cache="default"/>
> </disk>
> <graphics type="vnc" listen="0.0.0.0" port="-1"/>
> <interface type="network">
> <source network="vnet0"/>
> <mac address="52:54:0a:b1:48:91"/>
> </interface>
> <interface type="network">
> <source network="vnet1"/>
> <mac address="52:54:0a:b1:48:92"/>
> </interface>
> </devices>
> <features>
> <acpi/>
> </features>
> <devices><serial type="pty"><source path="/dev/pts/477"/><target
> port="0"/></serial><console type="pty" tty="/dev/pts/477"><source
> path="/dev/pts/477"/><target port="0"/></console></devices>
> </domain>
>
> Networks:
> cat /etc/libvirt/qemu/networks/vnet0.xml
> <!--
> WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
> OVERWRITTEN AND LOST. Changes to this xml configuration should be made
> using:
> virsh net-edit vnet0
> or other application using the libvirt API.
> -->
>
> <network>
> <name>vnet0</name>
> <uuid>1b6a3506-d9e0-4e1e-bbff-6f700b8dc80b</uuid>
> <forward mode='hostdev' managed='yes'>
> <pf dev='eth0'/>
> </forward>
> </network>
>
> cat /etc/libvirt/qemu/networks/vnet1.xml
> <!--
> WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
> OVERWRITTEN AND LOST. Changes to this xml configuration should be made
> using:
> virsh net-edit vnet1
> or other application using the libvirt API.
> -->
>
> <network>
> <name>vnet1</name>
> <uuid>11feb088-d609-4177-86d7-ac3b9467a3e8</uuid>
> <forward mode='hostdev' managed='yes'>
> <pf dev='eth1'/>
> </forward>
> </network>
>
> --
> Dominik
>
>
> 2013/5/17 Michal Privoznik <mprivozn at redhat.com>
>
>> On 16.05.2013 23:45, Dominik Mostowiec wrote:
>> > Hi,
>> > I try to add 2 VF functions to VM via network.
>> > Livirt networks:
>> > vnet0:
>> > <network>
>> > <name>vnet0</name>
>> > <forward mode='hostdev' managed='yes'>
>> > <pf dev='eth0'/>
>> > </forward>
>> > </network>
>> >
>> > vnet1:
>> > <network>
>> > <name>vnet0</name>
>> > <forward mode='hostdev' managed='yes'>
>> > <pf dev='eth1'/>
>> > </forward>
>> > </network>
>> >
>> > In VM configuration:
>> > <interface type="network">
>> > <source network="vnet0"/>
>> > <mac address="52:54:0a:b1:48:07"/>
>> > </interface>
>> > <interface type="network">
>> > <source network="vnet1"/>
>> > <mac address="52:54:0a:b1:48:07"/>
>> > </interface>
>>
>> This is not a good idea to have two NICs sharing the same MAC.
>>
>> >
>> > VM can't start because:
>> > kvm: -device
>> > pci-assign,configfd=24,host=01:10.1,id=hostdev0,bus=pci.0,addr=0x4:
>> > Duplicate ID 'hostdev0' for device
>> >
>> > libvirt version 1.0.5.
>> >
>> > What i am doing wrong?
>> >
>>
>>
>> I guess nothing. Libvirt has generated the same IDs for two devices
>> which is obviously libvirt's faul even in case two NICs sharing the same
>> MAC. Can you post full domain XML (possibly with network XMLs)? I'll try
>> to reproduce and maybe I'll find what's wrong.
>>
>> Michal
>>
>
>
>
> --
> Pozdrawiam
> Dominik
>
--
Pozdrawiam
Dominik
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