[libvirt-users] Two VF cards

[Dominik Mostowiec]

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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