[ovirt-users] virt-in-virt problem: DHCP failing for a container in a oVirt VM

Simone Tiraboschi stirabos at redhat.com
Wed Jun 8 09:57:51 UTC 2016


On Wed, Jun 8, 2016 at 12:00 AM, Will Dennis <wdennis at nec-labs.com> wrote:
> The "-r" arg to virsh makes all the difference :)  (much to learn...)
>
> [root at ovirt-node-03 ~]# virsh -r list
>  Id    Name                           State
> ----------------------------------------------------
>  6     proxmox-01                     running
>  7     proxmox-02                     running
>
> [root at ovirt-node-03 ~]# virsh -r dumpxml proxmox-01
> <domain type='kvm' id='6'>
>   <name>proxmox-01</name>
>   <uuid>1a49b65b-9950-4b29-8c72-139d5263e11d</uuid>
>   <metadata xmlns:ovirt="http://ovirt.org/vm/tune/1.0">
>     <ovirt:qos/>
>   </metadata>
>   <maxMemory slots='16' unit='KiB'>4294967296</maxMemory>
>   <memory unit='KiB'>8388608</memory>
>   <currentMemory unit='KiB'>8388608</currentMemory>
>   <vcpu placement='static' current='4'>16</vcpu>
>   <cputune>
>     <shares>1020</shares>
>   </cputune>
>   <numatune>
>     <memory mode='interleave' nodeset='0'/>
>   </numatune>
>   <resource>
>     <partition>/machine</partition>
>   </resource>
>   <sysinfo type='smbios'>
>     <system>
>       <entry name='manufacturer'>oVirt</entry>
>       <entry name='product'>oVirt Node</entry>
>       <entry name='version'>7-2.1511.el7.centos.2.10</entry>
>       <entry name='serial'>271BC900-7252-11DD-8001-002185350C3C</entry>
>       <entry name='uuid'>1a49b65b-9950-4b29-8c72-139d5263e11d</entry>
>     </system>
>   </sysinfo>
>   <os>
>     <type arch='x86_64' machine='pc-i440fx-rhel7.2.0'>hvm</type>
>     <bootmenu enable='yes'/>
>     <smbios mode='sysinfo'/>
>   </os>
>   <features>
>     <acpi/>
>   </features>
>   <cpu mode='custom' match='exact'>
>     <model fallback='allow'>Penryn</model>
>     <topology sockets='16' cores='1' threads='1'/>
>     <numa>
>       <cell id='0' cpus='0-3' memory='8388608' unit='KiB'/>
>     </numa>
>   </cpu>
>   <clock offset='variable' adjustment='0' basis='utc'>
>     <timer name='rtc' tickpolicy='catchup'/>
>     <timer name='pit' tickpolicy='delay'/>
>     <timer name='hpet' present='no'/>
>   </clock>
>   <on_poweroff>destroy</on_poweroff>
>   <on_reboot>restart</on_reboot>
>   <on_crash>destroy</on_crash>
>   <devices>
>     <emulator>/usr/libexec/qemu-kvm</emulator>
>     <disk type='file' device='cdrom'>
>       <driver name='qemu' type='raw'/>
>       <source startupPolicy='optional'/>
>       <backingStore/>
>       <target dev='hdc' bus='ide'/>
>       <readonly/>
>       <serial></serial>
>       <boot order='2'/>
>       <alias name='ide0-1-0'/>
>       <address type='drive' controller='0' bus='1' target='0' unit='0'/>
>     </disk>
>     <disk type='file' device='disk' snapshot='no'>
>       <driver name='qemu' type='raw' cache='none' error_policy='stop' io='threads'/>
>       <source file='/rhev/data-center/00000001-0001-0001-0001-000000000138/4e2358ab-6b51-4d13-9e36-ac5cb271618a/images/aeae1aeb-047e-493f-a70c-f471f2e7245c/278ed347-c79a-4168-b578-1562a08ac551'/>
>       <backingStore/>
>       <target dev='vda' bus='virtio'/>
>       <serial>aeae1aeb-047e-493f-a70c-f471f2e7245c</serial>
>       <boot order='1'/>
>       <alias name='virtio-disk0'/>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
>     </disk>
>     <controller type='virtio-serial' index='0' ports='16'>
>       <alias name='virtio-serial0'/>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
>     </controller>
>     <controller type='ide' index='0'>
>       <alias name='ide'/>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
>     </controller>
>     <controller type='usb' index='0'>
>       <alias name='usb'/>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
>     </controller>
>     <controller type='pci' index='0' model='pci-root'>
>       <alias name='pci.0'/>
>     </controller>
>     <interface type='bridge'>
>       <mac address='00:1a:4a:16:01:56'/>
>       <source bridge='207-net'/>
>       <target dev='vnet0'/>
>       <model type='virtio'/>
>       <filterref filter='vdsm-no-mac-spoofing'/>

The issue is simple here ^^^
Please check if and how you configured the macspoof vdsm hook; please
follow this guide:
 https://github.com/oVirt/vdsm/tree/master/vdsm_hooks/macspoof

>       <link state='up'/>
>       <alias name='net0'/>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
>     </interface>
>     <channel type='unix'>
>       <source mode='bind' path='/var/lib/libvirt/qemu/channels/1a49b65b-9950-4b29-8c72-139d5263e11d.com.redhat.rhevm.vdsm'/>
>       <target type='virtio' name='com.redhat.rhevm.vdsm' state='disconnected'/>
>       <alias name='channel0'/>
>       <address type='virtio-serial' controller='0' bus='0' port='1'/>
>     </channel>
>     <channel type='unix'>
>       <source mode='bind' path='/var/lib/libvirt/qemu/channels/1a49b65b-9950-4b29-8c72-139d5263e11d.org.qemu.guest_agent.0'/>
>       <target type='virtio' name='org.qemu.guest_agent.0' state='disconnected'/>
>       <alias name='channel1'/>
>       <address type='virtio-serial' controller='0' bus='0' port='2'/>
>     </channel>
>     <channel type='spicevmc'>
>       <target type='virtio' name='com.redhat.spice.0' state='disconnected'/>
>       <alias name='channel2'/>
>       <address type='virtio-serial' controller='0' bus='0' port='3'/>
>     </channel>
>     <input type='mouse' bus='ps2'/>
>     <input type='keyboard' bus='ps2'/>
>     <graphics type='spice' port='5900' tlsPort='5901' autoport='yes' listen='0' passwdValidTo='2016-05-18T15:01:33' connected='disconnect'>
>       <listen type='address' address='0'/>
>     </graphics>
>     <video>
>       <model type='qxl' ram='65536' vram='32768' vgamem='16384' heads='1'/>
>       <alias name='video0'/>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
>     </video>
>     <memballoon model='none'>
>       <alias name='balloon0'/>
>     </memballoon>
>   </devices>
> </domain>
>
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